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17 results on '"Chaberny, D."'

1. Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering

Author

Adolph, C., Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Antonov, A. A., Austregesilo, A., Badellek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Bieling, J., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. Dalla, Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Finger Jr, M., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmueller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Guthoerl, T., Haas, F., von Harrach, D., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, Ch., d'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mielech, A., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quaresma, M., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N. S., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmidt, K., Schmitt, L., Schoenning, K., Schopferer, S., Schott, M., Shevchenko, O. Yu., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, S., Ter Wolbeek, J., Tessaro, S., Tessarotto, F., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Vossen, A., Wang, L., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlevd, N., and Zvyagin, A.

Subjects
High Energy Physics - Experiment
Abstract

First measurements of azimuthal asymmetries in hadron-pair production in deep-inelastic scattering of muons on transversely polarised ^6LiD (deuteron) and NH_3 (proton) targets are presented. The data were taken in the years 2002-2004 and 2007 with the COMPASS spectrometer using a muon beam of 160 GeV/c at the CERN SPS. The asymmetries provide access to the transversity distribution functions, without involving the Collins effect as in single hadron production. The sizeable asymmetries measured on the NH_ target indicate non-vanishing u-quark transversity and two-hadron interference fragmentation functions. The small asymmetries measured on the ^6LiD target can be interpreted as indication for a cancellation of u- and d-quark transversities., Comment: 13 pages, 4 figures, updated to the published version

Published
2012
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2. Leading order determination of the gluon polarisation from DIS events with high-p_T hadron pairs

Author

Adolph, C., Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Antonov, A. A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Bieling, J., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. Dalla, Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Finger jr., M., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmueller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Guthoerl, T., Haas, F., von Harrach, D., Hedicke, S., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, Ch., d'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Goff, J. -M. Le, Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J. P., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Procureur, S. L., Pretz, J., Quaresma, M., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N. S., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmidt, K., Schmitt, L., Schoenning, K., Schopferer, S., Schott, M., Shevchenko, O. Yu., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, S., Ter Wolbeek, J., Tessaro, S., Tessarotto, F., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Wang, L., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., and Zvyagin, A.

Subjects
High Energy Physics - Experiment
Abstract

We present a determination of the gluon polarisation Delta g/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with a pair of large transverse-momentum hadrons in the final state. The data were obtained by the COMPASS experiment at CERN using a 160 GeV/c polarised muon beam scattering off a polarised ^6LiD target. The gluon polarisation is evaluated by a Neural Network approach for three intervals of the gluon momentum fraction x_g covering the range 0.04 < x_g < 0.27. The values obtained at leading order in QCD do not show any significant dependence on x_g. Their average is Delta g/g = 0.125 +/- 0.060 (stat.) +/- 0.063 (syst.) at x_g=0.09 and a scale of mu^2 = 3 (GeV/c)^2., Comment: 13 pages, 6 figures and 3 tables

Published
2012
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3. First Measurement of Chiral Dynamics in \pi^- \gamma -> \pi^- \pi^- \pi^+

Author

Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. Dalla, Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Dünnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Finger Jr, M., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., uller, S. Grabm\", Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Höppner, Ch., d'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Krämer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. -D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlüter, T., Schmitt, L., Schopferer, S., Schröder, W., Shevchenko, O. Yu., Siebert, H. -W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, S., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Windmolders, R., Wiślicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., and Zvyagin, A.

Subjects
High Energy Physics - Experiment
Abstract

The COMPASS collaboration at CERN has investigated the \pi^- \gamma -> \pi^- \pi^- \pi^+ reaction at center-of-momentum energy below five pion masses, sqrt(s) < 5 m(\pi), embedded in the Primakoff reaction of 190 GeV pions impinging on a lead target. Exchange of quasi-real photons is selected by isolating the sharp Coulomb peak observed at smallest momentum transfers, t' < 0.001 (GeV/c)^2. Using partial-wave analysis techniques, the scattering intensity of Coulomb production described in terms of chiral dynamics and its dependence on the 3\pi-invariant mass m(3\pi) = sqrt(s) were extracted. The absolute cross section was determined in seven bins of $\sqrt{s}$ with an overall precision of 20%. At leading order, the result is found to be in good agreement with the prediction of chiral perturbation theory over the whole energy range investigated., Comment: 10 pages, 5 figures

Published
2011
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4. Azimuthal asymmetries of charged hadrons produced by high-energy muons scattered off longitudinally polarised deuterons

Author

Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badełek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Bravar, A., Bressan, A., Brona, G., Burtin, E., Bussa, M. P., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Colantoni, M., Crespo, M. L., Dalla Torre, S., Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Diaz, V., Donskov, S. V., Doshita, N., Duic, V., Dünnweber, W., Efremov, A., El Alaoui, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Finger, Jr., M., Fischer, H., Franco, C., Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmüller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Herrmann, F., Heß, C., Hinterberger, F., Horikawa, N., Höppner, Ch., d’Hose, N., Ilgner, C., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuß, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konopka, R., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kowalik, K., Krämer, M., Kral, A., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Lauser, L., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Liska, T., Maggiora, A., Maggiora, M., Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Pawlukiewicz-Kaminska, B., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J.-F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Robinet, F., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlüter, T., Schmitt, L., Schopferer, S., Schröder, W., Shevchenko, O. Yu., Siebert, H.-W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Takekawa, S., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Virius, M., Vlassov, N. V., Vossen, A., Weitzel, Q., Windmolders, R., Wiślicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhao, J., Zhuravlev, N., Zvyagin, A., and The COMPASS Collaboration

Published
2010
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5. The spin-dependent structure function of the proton g(1)(p) and a test of the Bjorken sum rule

Author

Alekseev, M. G., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, Antonio, Austregesilo, A., Badelek, B., Balestra, Ferruccio, Ball, J., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Bravar, A., Bressan, A., Brona, G., Burtin, E., Bussa, Maria Pia, Chaberny, D., Cotic, D., Chiosso, Michela, Chung, S. U., Cicuttin, A., Colantoni, M., Crespo, M. L., Torre, S. D., Das, S., Dasgupta, S. S., Denisov, O. Y., Dhara, L., Diaz, V., Donskov, S. V., Doshita, N., Duic, V., Dunnweber, W., Efremov, A., Alaoui, A. E., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Fischer, H., Franco, C., Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmuller, S., Grasso, Antonino, Grube, B., Gushterski, R., Guskov, A., Haas, F., Harrach, D. v., Hasegawa, T., Heinsius, F. H., Hermann, R., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoppner, C., D'Hose, N., Ilgner, C., Ishimoto, S., Ivanov, O., Ivanshin, Y., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuss, E., Kafer, W., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. A., Kisselev, Y., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosovu, V. N., Kondo, K., Konigsmann, K., Konopka, R., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kowalik, K., Kramer, M., Kral, A., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Lauser, L., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Liska, T., Maggiora, A., Maggiora, Marco, Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Marroncle, J., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Y. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Pawlukiewicz Kaminska, B., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Robinet, F., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schluter, T., Schmitt, L., Schopferer, S., Schroder, W., Shevchenko, O. Y., Siebert, H. W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, Stefano, Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Takekawa, S., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Virius, M., Vlassov, N. V., Vossen, A., Weitzel, Q., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhao, J., Zhuravlev, N., Zvyagin, A., Collaboration, C., Alekseev, M. G., Alexakhin, V. Y. u., Alexandrov, Y. u., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badełek, B., Balestra, F., Ball, J., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Birsa, Renato, Bisplinghoff, J., Bordalo, P., Bradamante, Franco, Bravar, A., Bressan, Andrea, Brona, G., Burtin, E., Bussa, M. P., Chaberny, D., Čotić, D., Chiosso, M., Chung, S. U., Cicuttin, A., Colantoni, M., Crespo, M. L., DALLA TORRE, Silvia, Das, S., Dasgupta, S. S., Denisov, O. Y. u., Dhara, L., Diaz, V., Donskov, S. V., Doshita, N., Duic, Venicio, Dünnweber, W., Efremov, A., El Alaoui, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Fischer, H., Franco, C., Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, Marcello, Gnesi, I., Gobbo, B., Goertz, S., Grabmüller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Hermann, R., Herrmann, F., Heß, C., Hinterberger, F., Horikawa, N., Höppner, C. h., D'Hose, N., Ilgner, C., Ishimoto, S., Ivanov, O., Ivanshin, Y. u., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuß, E., Käfer, W., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konopka, R., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kowalik, K., Krämer, M., Kral, A., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Lauser, L., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, Stefano, Lichtenstadt, J., Liska, T., Maggiora, A., Maggiora, M., Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Marroncle, J., Martin, Anna, Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Y. u. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Pawlukiewicz Kaminska, B., Perevalova, E., Pesaro, Giulia, Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Robinet, F., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, Giulio, Schiavon, Paolo, Schill, C., Schlüter, T., Schmitt, L., Schopferer, S., Schröder, W., Shevchenko, O. Y. u., Siebert, H. W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, Federica, Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Takekawa, Stefano, Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Virius, M., Vlassov, N. V., Vossen, A., Weitzel, Q., Windmolders, R., Wiślicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhao, J., Zhuravlev, N., and Zvyagin, A.

Subjects
analysis, FOS: Physical sciences, COMPASS, QCD, High Energy Physics - Experiment, Bjorken sum rule, High Energy Physics - Experiment (hep-ex), Structure function, QCD analysis, Spin, Deep inelastic scattering, QCD analysi, Particle Physics - Experiment
Abstract

The inclusive double-spin asymmetry, A_1^p, has been measured at COMPASS in deepinelastic polarised muon scattering off a large polarised NH3 target. The data, collected in the year 2007, cover the range Q2 > 1 (GeV/c)^2, 0.004 < x < 0.7 and improve the statistical precision of g_1^p(x) by a factor of two in the region x < 0.02. The new proton asymmetries are combined with those previously published for the deuteron to extract the non-singlet spin-dependent structure function g_1^NS(x,Q2). The isovector quark density, Delta_q_3(x,Q2), is evaluated from a NLO QCD fit of g_1^NS. The first moment of Delta_q3 is in good agreement with the value predicted by the Bjorken sum rule and corresponds to a ratio of the axial and vector coupling constants g_A/g_V = 1.28+-0.07(stat)+-0.10(syst)., 12 pages, 5 figures

Published
2010

6. Leading order determination of the gluon polarisation from DIS events with high-p(T) hadron pairs

Author

Adolph, C., Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Antonov, A. A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Bieling, J., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. Dalla, Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Finger jr., M., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmueller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Guthoerl, T., Haas, F., von Harrach, D., Hedicke, S., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, Ch., d'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Goff, J. -M. Le, Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J. P., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Procureur, S. L., Pretz, J., Quaresma, M., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N. S., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmidt, K., Schmitt, L., Schoenning, K., Schopferer, S., Schott, M., Shevchenko, O. Yu., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, S., Ter Wolbeek, J., Tessaro, S., Tessarotto, F., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Wang, L., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., Zvyagin, A., Physikalisches Institut [Erlangen], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Laboratoire de Physique des Composants à Semiconducteurs (LPCS), École Nationale Supérieure d'Électronique et de Radioélectricité de Grenoble (ENSERG)-Centre National de la Recherche Scientifique (CNRS), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Luminescent Materials Laboratory, Department of Biotechnology, University of Verona, Department of Mathematics [Philadelphia], University of Pennsylvania [Philadelphia], National Taiwan University [Taiwan] (NTU), Abdus Salam International Centre for Theoretical Physics [Trieste] (ICTP), Laboratoire d'informatique Fondamentale de Marseille (LIF), Centre National de la Recherche Scientifique (CNRS)-École Centrale de Marseille (ECM)-Aix Marseille Université (AMU), Department of Zoology, Visva-Bharati University, Université Antonine, Université Antonine, Faculté d'ingénieurs, Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT), Institut des Sciences cognitives Marc Jeannerod - Laboratoire sur le langage, le cerveau et la cognition (L2C2), École normale supérieure - Lyon (ENS Lyon)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon, Archeobotanica e Paleoecologia, Università del Salento [Lecce], Physikalisches Institut [Freiburg], Albert-Ludwigs-Universität Freiburg, Institut für Ionenphysik und Angewandte Physik - Institute for Ion Physics and Applied Physics [Innsbruck], Leopold Franzens Universität Innsbruck - University of Innsbruck, Department of Environmental and Materials Engineering, Nagoya Institute, Institute for Computing and Information Sciences [Nijmegen] (ICIS), Radboud university [Nijmegen], Laboratory of Molecular Immunology, Rockefeller University [New York], University of Manchester [Manchester], Université de Caen Normandie (UNICAEN), Normandie Université (NU), Department of Otolaryngology - Head and Neck Surgery, Department of Medecine [Montréal], McGill University = Université McGill [Montréal, Canada]-McGill University = Université McGill [Montréal, Canada], Centre for Research on Brain, Language and Music, International Laboratory for Brain, Music and Sound Research (BRAMS), Princeton University, aucun, Symadrem, Analyse, Géométrie et Modélisation (AGM - UMR 8088), Centre National de la Recherche Scientifique (CNRS)-CY Cergy Paris Université (CY), Franco-czech Laboratory for clinical research on obesity, Charles University [Prague] (CU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut de Chimie des Substances Naturelles (ICSN), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Institute of Environmental Physics [Bremen] (IUP), University of Bremen, University of Cambridge [UK] (CAM), National School of Mountain Sports/National Ski-Nordic Centre, Institut des Biomolécules Max Mousseron [Pôle Chimie Balard] (IBMM), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM), Departamento de Matemática e Aplicações (DMA), Universidade do Minho, Imagerie et modélisation Vasculaires, Thoraciques et Cérébrales (MOTIVATE), Centre de Recherche en Acquisition et Traitement de l'Image pour la Santé (CREATIS), Université Jean Monnet [Saint-Étienne] (UJM)-Hospices Civils de Lyon (HCL)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Jean Monnet [Saint-Étienne] (UJM)-Hospices Civils de Lyon (HCL)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM), COMPASS, Università degli studi di Verona = University of Verona (UNIVR), University of Pennsylvania, Aix Marseille Université (AMU)-École Centrale de Marseille (ECM)-Centre National de la Recherche Scientifique (CNRS), Université Antonine (UA), École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Radboud University [Nijmegen], Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Universidade do Minho = University of Minho [Braga], Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS]Physics [physics], High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics::Experiment, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract

We present a determination of the gluon polarisation Delta g/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with a pair of large transverse-momentum hadrons in the final state. The data were obtained by the COMPASS experiment at CERN using a 160 GeV/c polarised muon beam scattering off a polarised ^6LiD target. The gluon polarisation is evaluated by a Neural Network approach for three intervals of the gluon momentum fraction x_g covering the range 0.04 < x_g < 0.27. The values obtained at leading order in QCD do not show any significant dependence on x_g. Their average is Delta g/g = 0.125 +/- 0.060 (stat.) +/- 0.063 (syst.) at x_g=0.09 and a scale of mu^2 = 3 (GeV/c)^2., 13 pages, 6 figures and 3 tables

Published
2013
Full Text
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7. First Measurement of Chiral Dynamics in π^{-}γ→π^{-}π^{-}π^{+}

Author

Adolph, C., Alekseev, M. G., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, Antonio, Antonov, A. A., Austregesilo, A., Badelek, B., Balestra, Ferruccio, Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, Raimondo Pietro, Bettinelli, M., Bicker, K. A., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, Michela, Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. D., Das, S., Dasgupta, S. S., Denisov, O. Y., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., J. F. M., Fischer, H., Franco, C., Fresne, N. d., Friedrich, J. M., Garfagnini, Raffaello, Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, Ivan, Gobbo, B., Goertz, S., Grabmueller, S., Grasso, Antonino, Grube, B., Gushterski, R., Guskov, A., Haas, F., Harrach, D. v., Hasegawa, T., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, C., D'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Y., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. A., Kisselev, Y., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Y. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., W. . . D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, Daniele, Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, Guido, Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., J. . . F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N. S., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmitt, L., Schoenning, K., Schopferer, S., Schroeder, W., Shevchenko, O. Y., H. . . W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, Stefano, Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, Stefano, Wolbeek, J. T., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., Zvyagin, A., C., Adolph, M., Alekseev, V., Alexakhin, Alexandrov, Y. u., G., Alexeev, A., Amoroso, A., Antonov, A., Austregesilo, B., Badełek, F., Balestra, J., Barth, G., Baum, Y., Bedfer, J., Bernhard, R., Bertini, M., Bettinelli, K., Bicker, Birsa, Renato, J., Bisplinghoff, P., Bordalo, Bradamante, Franco, C., Braun, A., Bravar, Bressan, Andrea, E., Burtin, D., Chaberny, M., Chiosso, S., Chung, A., Cicuttin, M., Crespo, DALLA TORRE, Silvia, S., Da, S., Dasgupta, O., Denisov, L., Dhara, S., Donskov, N., Doshita, Duic, Venicio, W., Dünnweber, M., Dziewiecki, A., Efremov, Elia, Carmine, P., Eversheim, W., Eyrich, M., Faessler, A., Ferrero, A., Filin, M., Finger, H., Fischer, C., Franco, N., du Fresne von Hohenesche, J., Friedrich, R., Garfagnini, F., Gautheron, O., Gavrichtchouk, R., Gazda, S., Gerassimov, R., Geyer, Giorgi, Marcello, I., Gnesi, B., Gobbo, S., Goertz, S., Grabmüller, A., Grasso, B., Grube, R., Gushterski, A., Guskov, F., Haa, D., von Harrach, T., Hasegawa, F., Heinsiu, F., Herrmann, C., He, F., Hinterberger, N., Horikawa, Höppner, C. h., N., D’Hose, S., Huber, S., Ishimoto, O., Ivanov, Ivanshin, Y. u., T., Iwata, R., Jahn, P., Jasinski, G., Jegou, R., Joosten, E., Kabu, D., Kang, B., Ketzer, G., Khaustov, Khokhlov, Y. u., Kisselev, Y. u., F., Klein, K., Klimaszewski, S., Koblitz, J., Koivuniemi, V., Kolosov, K., Kondo, K., Königsmann, I., Konorov, V., Konstantinov, A., Korzenev, A., Kotzinian, O., Kouznetsov, M., Krämer, Z., Kroumchtein, F., Kunne, K., Kurek, L., Lauser, A., Lednev, A., Lehmann, Levorato, Stefano, J., Lichtenstadt, A., Maggiora, A., Magnon, Makke, Nour, G., Mallot, A., Mann, C., Marchand, Martin, Anna, J., Marzec, F., Massmann, T., Matsuda, W., Meyer, T., Michigami, Mikhailov, Y. u., M., Moinester, A., Morreale, A., Mutter, A., Nagaytsev, T., Nagel, F., Nerling, S., Neubert, D., Neyret, V., Nikolaenko, W. D., Nowak, A., Nune, A., Olshevsky, M., Ostrick, A., Padee, R., Panknin, D., Panzieri, B., Parsamyan, S., Paul, E., Perevalova, Pesaro, Giulia, D., Peshekhonov, G., Piragino, S., Platchkov, J., Pochodzalla, J., Polak, V., Polyakov, G., Pontecorvo, J., Pretz, C., Quintan, J. F., Rajotte, S., Ramo, V., Rapatsky, G., Reicherz, A., Richter, Rocco, Elena, E., Rondio, N., Rossiyskaya, D., Ryabchikov, V., Samoylenko, A., Sandacz, M., Sapozhnikov, S., Sarkar, I., Savin, Sbrizzai, Giulio, Schiavon, Paolo, C., Schill, T., Schlüter, L., Schmitt, K., Schönning, S., Schopferer, W., Schröder, O., Shevchenko, H. W., Siebert, L., Silva, L., Sinha, A., Sissakian, M., Slunecka, G., Smirnov, S., Sosio, Sozzi, Federica, A., Srnka, M., Stolarski, M., Sulc, R., Sulej, P., Sznajder, S., Takekawa, J., Ter Wolbeek, Tessaro, Susanna, F., Tessarotto, A., Teufel, L., Tkatchev, S., Uhl, I., Uman, M., Vandenbroucke, M., Viriu, N., Vlassov, R., Windmolder, W., Wiślicki, H., Wollny, K., Zaremba, M., Zavertyaev, E., Zemlyanichkina, M., Ziembicki, N., Zhuravlev, and A., Zvyagin

Subjects
chiral-dynamics, cross-section, PACS 25.80.Dj, chiral-dynamic, COMPASS, PACS 12.39.Fe, PACS 13.60.Le
Abstract

The COMPASS Collaboration at CERN has investigated the π- γ → π- π- π+ reaction at center-of-momentum energy below five pion masses, sqrt[s]5m(π), embedded in the Primakoff reaction of 190 GeV pions impinging on a lead target. Exchange of quasireal photons is selected by isolating the sharp Coulomb peak observed at smallest momentum transfers, t'0.001 GeV2/c2. Using partial-wave analysis techniques, the scattering intensity of Coulomb production described in terms of chiral dynamics and its dependence on the 3π-invariant mass m(3π)=sqrt[s] were extracted. The absolute cross section was determined in seven bins of sqrt[s] with an overall precision of 20%. At leading order, the result is found to be in good agreement with the prediction of chiral perturbation theory over the whole energy range investigated.

Published
2012

8. First Measurement of Chiral Dynamics in $\pi^-\gamma \to \pi^-\pi^-\pi^+$

Author

Adolph, C., Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Antonov, A. A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, Günter, Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K. A., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Dalla Torre, S., Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Finger, M., Jr., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmueller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, Ch., d'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. -D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N. S., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmitt, L., Schoenning, K., Schopferer, S., Schroeder, W., Shevchenko, O. Yu., Siebert, H. -W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, S., Ter Wolbeek, J., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., and Zvyagin, A.

Subjects
High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract

The COMPASS collaboration at CERN has investigated the \pi^- \gamma -> \pi^- \pi^- \pi^+ reaction at center-of-momentum energy below five pion masses, sqrt(s) < 5 m(\pi), embedded in the Primakoff reaction of 190 GeV pions impinging on a lead target. Exchange of quasi-real photons is selected by isolating the sharp Coulomb peak observed at smallest momentum transfers, t' < 0.001 (GeV/c)^2. Using partial-wave analysis techniques, the scattering intensity of Coulomb production described in terms of chiral dynamics and its dependence on the 3\pi-invariant mass m(3\pi) = sqrt(s) were extracted. The absolute cross section was determined in seven bins of $\sqrt{s}$ with an overall precision of 20%. At leading order, the result is found to be in good agreement with the prediction of chiral perturbation theory over the whole energy range investigated., Comment: 10 pages, 5 figures

Published
2011

9. First Measurement of Chiral Dynamics in ��^- ��-> ��^- ��^- ��^+

Author

Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Bravar, A., Bressan, A., Burtin, E., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. Dalla, Das, S., Dasgupta, S. S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., D��nnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., uller, S. Grabm\\\', Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., H��ppner, Ch., d'Hose, N., Huber, S., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., K��nigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kr��mer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. -D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schl��ter, T., Schmitt, L., Schopferer, S., Schr��der, W., Shevchenko, O. Yu., Siebert, H. -W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Sznajder, P., Takekawa, S., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Windmolders, R., Wi��licki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., and Zvyagin, A.

Subjects
High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, Nuclear Experiment
Abstract

The COMPASS collaboration at CERN has investigated the ��^- ��-> ��^- ��^- ��^+ reaction at center-of-momentum energy below five pion masses, sqrt(s) < 5 m(��), embedded in the Primakoff reaction of 190 GeV pions impinging on a lead target. Exchange of quasi-real photons is selected by isolating the sharp Coulomb peak observed at smallest momentum transfers, t' < 0.001 (GeV/c)^2. Using partial-wave analysis techniques, the scattering intensity of Coulomb production described in terms of chiral dynamics and its dependence on the 3��-invariant mass m(3��) = sqrt(s) were extracted. The absolute cross section was determined in seven bins of $\sqrt{s}$ with an overall precision of 20%. At leading order, the result is found to be in good agreement with the prediction of chiral perturbation theory over the whole energy range investigated., 10 pages, 5 figures

Published
2011
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10. Leading order determination of the gluon polarisation from DIS events with high-pThadron pairs

Author

Adolph, C., primary, Alekseev, M.G., additional, Alexakhin, V.Yu., additional, Alexandrov, Yu., additional, Alexeev, G.D., additional, Amoroso, A., additional, Antonov, A.A., additional, Austregesilo, A., additional, Badełek, B., additional, Balestra, F., additional, Barth, J., additional, Baum, G., additional, Bedfer, Y., additional, Bernhard, J., additional, Bertini, R., additional, Bettinelli, M., additional, Bicker, K., additional, Bieling, J., additional, Birsa, R., additional, Bisplinghoff, J., additional, Bordalo, P., additional, Bradamante, F., additional, Braun, C., additional, Bravar, A., additional, Bressan, A., additional, Burtin, E., additional, Chaberny, D., additional, Chiosso, M., additional, Chung, S.U., additional, Cicuttin, A., additional, Crespo, M.L., additional, Dalla Torre, S., additional, Das, S., additional, Dasgupta, S.S., additional, Denisov, O.Yu., additional, Dhara, L., additional, Donskov, S.V., additional, Doshita, N., additional, Duic, V., additional, Dünnweber, W., additional, Dziewiecki, M., additional, Efremov, A., additional, Elia, C., additional, Eversheim, P.D., additional, Eyrich, W., additional, Faessler, M., additional, Ferrero, A., additional, Filin, A., additional, Finger, M., additional, Fischer, H., additional, Franco, C., additional, du Fresne von Hohenesche, N., additional, Friedrich, J.M., additional, Garfagnini, R., additional, Gautheron, F., additional, Gavrichtchouk, O.P., additional, Gazda, R., additional, Gerassimov, S., additional, Geyer, R., additional, Giorgi, M., additional, Gnesi, I., additional, Gobbo, B., additional, Goertz, S., additional, Grabmüller, S., additional, Grasso, A., additional, Grube, B., additional, Gushterski, R., additional, Guskov, A., additional, Guthörl, T., additional, Haas, F., additional, von Harrach, D., additional, Hedicke, S., additional, Heinsius, F.H., additional, Herrmann, F., additional, Heß, C., additional, Hinterberger, F., additional, Horikawa, N., additional, Höppner, Ch., additional, dʼHose, N., additional, Huber, S., additional, Ishimoto, S., additional, Ivanov, O., additional, Ivanshin, Yu., additional, Iwata, T., additional, Jahn, R., additional, Jasinski, P., additional, Joosten, R., additional, Kabuß, E., additional, Kang, D., additional, Ketzer, B., additional, Khaustov, G.V., additional, Khokhlov, Yu.A., additional, Kisselev, Yu., additional, Klein, F., additional, Klimaszewski, K., additional, Koblitz, S., additional, Koivuniemi, J.H., additional, Kolosov, V.N., additional, Kondo, K., additional, Königsmann, K., additional, Konorov, I., additional, Konstantinov, V.F., additional, Korzenev, A., additional, Kotzinian, A.M., additional, Kouznetsov, O., additional, Krämer, M., additional, Kroumchtein, Z.V., additional, Kunne, F., additional, Kurek, K., additional, Lauser, L., additional, Le Goff, J.-M., additional, Lednev, A.A., additional, Lehmann, A., additional, Levorato, S., additional, Lichtenstadt, J., additional, Maggiora, A., additional, Magnon, A., additional, Makke, N., additional, Mallot, G.K., additional, Mann, A., additional, Marchand, C., additional, Martin, A., additional, Marzec, J., additional, Matsuda, T., additional, Meyer, W., additional, Michigami, T., additional, Mikhailov, Yu.V., additional, Moinester, M.A., additional, Morreale, A., additional, Mutter, A., additional, Nagaytsev, A., additional, Nagel, T., additional, Nassalski, J.P., additional, Nerling, F., additional, Neubert, S., additional, Neyret, D., additional, Nikolaenko, V.I., additional, Nowak, W.D., additional, Nunes, A.S., additional, Olshevsky, A.G., additional, Ostrick, M., additional, Padee, A., additional, Panknin, R., additional, Panzieri, D., additional, Parsamyan, B., additional, Paul, S., additional, Perevalova, E., additional, Pesaro, G., additional, Peshekhonov, D.V., additional, Piragino, G., additional, Platchkov, S., additional, Pochodzalla, J., additional, Polak, J., additional, Polyakov, V.A., additional, Pontecorvo, G., additional, Pretz, J., additional, Procureur, S.L., additional, Quaresma, M., additional, Quintans, C., additional, Rajotte, J.-F., additional, Ramos, S., additional, Rapatsky, V., additional, Reicherz, G., additional, Richter, A., additional, Rocco, E., additional, Rondio, E., additional, Rossiyskaya, N.S., additional, Ryabchikov, D.I., additional, Samoylenko, V.D., additional, Sandacz, A., additional, Sapozhnikov, M.G., additional, Sarkar, S., additional, Savin, I.A., additional, Sbrizzai, G., additional, Schiavon, P., additional, Schill, C., additional, Schlüter, T., additional, Schmidt, K., additional, Schmitt, L., additional, Schönning, K., additional, Schopferer, S., additional, Schott, M., additional, Shevchenko, O.Yu., additional, Silva, L., additional, Sinha, L., additional, Sissakian, A.N., additional, Slunecka, M., additional, Smirnov, G.I., additional, Sosio, S., additional, Sozzi, F., additional, Srnka, A., additional, Stolarski, M., additional, Sulc, M., additional, Sulej, R., additional, Sznajder, P., additional, Takekawa, S., additional, Ter Wolbeek, J., additional, Tessaro, S., additional, Tessarotto, F., additional, Tkatchev, L.G., additional, Uhl, S., additional, Uman, I., additional, Vandenbroucke, M., additional, Virius, M., additional, Vlassov, N.V., additional, Wang, L., additional, Windmolders, R., additional, Wiślicki, W., additional, Wollny, H., additional, Zaremba, K., additional, Zavertyaev, M., additional, Zemlyanichkina, E., additional, Ziembicki, M., additional, Zhuravlev, N., additional, and Zvyagin, A., additional

Published
2013
Full Text
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11. Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering

Author

Adolph, C., primary, Alekseev, M.G., additional, Alexakhin, V.Yu., additional, Alexandrov, Yu., additional, Alexeev, G.D., additional, Amoroso, A., additional, Antonov, A.A., additional, Austregesilo, A., additional, Badełek, B., additional, Balestra, F., additional, Barth, J., additional, Baum, G., additional, Bedfer, Y., additional, Bernhard, J., additional, Bertini, R., additional, Bettinelli, M., additional, Bicker, K., additional, Bieling, J., additional, Birsa, R., additional, Bisplinghoff, J., additional, Bordalo, P., additional, Bradamante, F., additional, Braun, C., additional, Bravar, A., additional, Bressan, A., additional, Burtin, E., additional, Chaberny, D., additional, Chiosso, M., additional, Chung, S.U., additional, Cicuttin, A., additional, Crespo, M.L., additional, Dalla Torre, S., additional, Das, S., additional, Dasgupta, S.S., additional, Denisov, O.Yu., additional, Dhara, L., additional, Donskov, S.V., additional, Doshita, N., additional, Duic, V., additional, Dünnweber, W., additional, Dziewiecki, M., additional, Efremov, A., additional, Elia, C., additional, Eversheim, P.D., additional, Eyrich, W., additional, Faessler, M., additional, Ferrero, A., additional, Filin, A., additional, Finger, M., additional, Fischer, H., additional, Franco, C., additional, du Fresne von Hohenesche, N., additional, Friedrich, J.M., additional, Garfagnini, R., additional, Gautheron, F., additional, Gavrichtchouk, O.P., additional, Gazda, R., additional, Gerassimov, S., additional, Geyer, R., additional, Giorgi, M., additional, Gnesi, I., additional, Gobbo, B., additional, Goertz, S., additional, Grabmüller, S., additional, Grasso, A., additional, Grube, B., additional, Gushterski, R., additional, Guskov, A., additional, Guthörl, T., additional, Haas, F., additional, von Harrach, D., additional, Heinsius, F.H., additional, Herrmann, F., additional, Heß, C., additional, Hinterberger, F., additional, Horikawa, N., additional, Höppner, Ch., additional, dʼHose, N., additional, Huber, S., additional, Ishimoto, S., additional, Ivanov, O., additional, Ivanshin, Yu., additional, Iwata, T., additional, Jahn, R., additional, Jasinski, P., additional, Joosten, R., additional, Kabuß, E., additional, Kang, D., additional, Ketzer, B., additional, Khaustov, G.V., additional, Khokhlov, Yu.A., additional, Kisselev, Yu., additional, Klein, F., additional, Klimaszewski, K., additional, Koblitz, S., additional, Koivuniemi, J.H., additional, Kolosov, V.N., additional, Kondo, K., additional, Königsmann, K., additional, Konorov, I., additional, Konstantinov, V.F., additional, Korzenev, A., additional, Kotzinian, A.M., additional, Kouznetsov, O., additional, Krämer, M., additional, Kroumchtein, Z.V., additional, Kunne, F., additional, Kurek, K., additional, Lauser, L., additional, Lednev, A.A., additional, Lehmann, A., additional, Levorato, S., additional, Lichtenstadt, J., additional, Maggiora, A., additional, Magnon, A., additional, Makke, N., additional, Mallot, G.K., additional, Mann, A., additional, Marchand, C., additional, Martin, A., additional, Marzec, J., additional, Massmann, F., additional, Matsuda, T., additional, Meyer, W., additional, Michigami, T., additional, Mielech, A., additional, Mikhailov, Yu.V., additional, Moinester, M.A., additional, Morreale, A., additional, Mutter, A., additional, Nagaytsev, A., additional, Nagel, T., additional, Negrini, T., additional, Nerling, F., additional, Neubert, S., additional, Neyret, D., additional, Nikolaenko, V.I., additional, Nowak, W.D., additional, Nunes, A.S., additional, Olshevsky, A.G., additional, Ostrick, M., additional, Padee, A., additional, Panknin, R., additional, Panzieri, D., additional, Parsamyan, B., additional, Paul, S., additional, Perevalova, E., additional, Pesaro, G., additional, Peshekhonov, D.V., additional, Piragino, G., additional, Platchkov, S., additional, Pochodzalla, J., additional, Polak, J., additional, Polyakov, V.A., additional, Pontecorvo, G., additional, Pretz, J., additional, Quaresma, M., additional, Quintans, C., additional, Rajotte, J.-F., additional, Ramos, S., additional, Rapatsky, V., additional, Reicherz, G., additional, Richter, A., additional, Rocco, E., additional, Rondio, E., additional, Rossiyskaya, N.S., additional, Ryabchikov, D.I., additional, Samoylenko, V.D., additional, Sandacz, A., additional, Sapozhnikov, M.G., additional, Sarkar, S., additional, Savin, I.A., additional, Sbrizzai, G., additional, Schiavon, P., additional, Schill, C., additional, Schlüter, T., additional, Schmidt, K., additional, Schmitt, L., additional, Schönning, K., additional, Schopferer, S., additional, Schott, M., additional, Shevchenko, O.Yu., additional, Silva, L., additional, Sinha, L., additional, Sissakian, A.N., additional, Slunecka, M., additional, Smirnov, G.I., additional, Sosio, S., additional, Sozzi, F., additional, Srnka, A., additional, Stolarski, M., additional, Sulc, M., additional, Sulej, R., additional, Sznajder, P., additional, Takekawa, S., additional, Ter Wolbeek, J., additional, Tessaro, S., additional, Tessarotto, F., additional, Tkatchev, L.G., additional, Uhl, S., additional, Uman, I., additional, Vandenbroucke, M., additional, Virius, M., additional, Vlassov, N.V., additional, Vossen, A., additional, Wang, L., additional, Windmolders, R., additional, Wiślicki, W., additional, Wollny, H., additional, Zaremba, K., additional, Zavertyaev, M., additional, Zemlyanichkina, E., additional, Ziembicki, M., additional, Zhuravlev, N., additional, and Zvyagin, A., additional

Published
2012
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12. First Measurement of Chiral Dynamics inπ−γ→π−π−π+

Author

Adolph, C., primary, Alekseev, M. G., additional, Alexakhin, V. Yu., additional, Alexandrov, Yu., additional, Alexeev, G. D., additional, Amoroso, A., additional, Antonov, A. A., additional, Austregesilo, A., additional, Badełek, B., additional, Balestra, F., additional, Barth, J., additional, Baum, G., additional, Bedfer, Y., additional, Bernhard, J., additional, Bertini, R., additional, Bettinelli, M., additional, Bicker, K. A., additional, Birsa, R., additional, Bisplinghoff, J., additional, Bordalo, P., additional, Bradamante, F., additional, Braun, C., additional, Bravar, A., additional, Bressan, A., additional, Burtin, E., additional, Chaberny, D., additional, Chiosso, M., additional, Chung, S. U., additional, Cicuttin, A., additional, Crespo, M. L., additional, Dalla Torre, S., additional, Das, S., additional, Dasgupta, S. S., additional, Denisov, O. Yu., additional, Dhara, L., additional, Donskov, S. V., additional, Doshita, N., additional, Duic, V., additional, Dünnweber, W., additional, Dziewiecki, M., additional, Efremov, A., additional, Elia, C., additional, Eversheim, P. D., additional, Eyrich, W., additional, Faessler, M., additional, Ferrero, A., additional, Filin, A., additional, Finger, M., additional, Fischer, H., additional, Franco, C., additional, du Fresne von Hohenesche, N., additional, Friedrich, J. M., additional, Garfagnini, R., additional, Gautheron, F., additional, Gavrichtchouk, O. P., additional, Gazda, R., additional, Gerassimov, S., additional, Geyer, R., additional, Giorgi, M., additional, Gnesi, I., additional, Gobbo, B., additional, Goertz, S., additional, Grabmüller, S., additional, Grasso, A., additional, Grube, B., additional, Gushterski, R., additional, Guskov, A., additional, Haas, F., additional, von Harrach, D., additional, Hasegawa, T., additional, Heinsius, F. H., additional, Herrmann, F., additional, Hess, C., additional, Hinterberger, F., additional, Horikawa, N., additional, Höppner, Ch., additional, d’Hose, N., additional, Huber, S., additional, Ishimoto, S., additional, Ivanov, O., additional, Ivanshin, Yu., additional, Iwata, T., additional, Jahn, R., additional, Jasinski, P., additional, Jegou, G., additional, Joosten, R., additional, Kabuss, E., additional, Kang, D., additional, Ketzer, B., additional, Khaustov, G. V., additional, Khokhlov, Yu. A., additional, Kisselev, Yu., additional, Klein, F., additional, Klimaszewski, K., additional, Koblitz, S., additional, Koivuniemi, J. H., additional, Kolosov, V. N., additional, Kondo, K., additional, Königsmann, K., additional, Konorov, I., additional, Konstantinov, V. F., additional, Korzenev, A., additional, Kotzinian, A. M., additional, Kouznetsov, O., additional, Krämer, M., additional, Kroumchtein, Z. V., additional, Kunne, F., additional, Kurek, K., additional, Lauser, L., additional, Lednev, A. A., additional, Lehmann, A., additional, Levorato, S., additional, Lichtenstadt, J., additional, Maggiora, A., additional, Magnon, A., additional, Makke, N., additional, Mallot, G. K., additional, Mann, A., additional, Marchand, C., additional, Martin, A., additional, Marzec, J., additional, Massmann, F., additional, Matsuda, T., additional, Meyer, W., additional, Michigami, T., additional, Mikhailov, Yu. V., additional, Moinester, M. A., additional, Morreale, A., additional, Mutter, A., additional, Nagaytsev, A., additional, Nagel, T., additional, Nerling, F., additional, Neubert, S., additional, Neyret, D., additional, Nikolaenko, V. I., additional, Nowak, W.-D., additional, Nunes, A. S., additional, Olshevsky, A. G., additional, Ostrick, M., additional, Padee, A., additional, Panknin, R., additional, Panzieri, D., additional, Parsamyan, B., additional, Paul, S., additional, Perevalova, E., additional, Pesaro, G., additional, Peshekhonov, D. V., additional, Piragino, G., additional, Platchkov, S., additional, Pochodzalla, J., additional, Polak, J., additional, Polyakov, V. A., additional, Pontecorvo, G., additional, Pretz, J., additional, Quintans, C., additional, Rajotte, J.-F., additional, Ramos, S., additional, Rapatsky, V., additional, Reicherz, G., additional, Richter, A., additional, Rocco, E., additional, Rondio, E., additional, Rossiyskaya, N. S., additional, Ryabchikov, D. I., additional, Samoylenko, V. D., additional, Sandacz, A., additional, Sapozhnikov, M. G., additional, Sarkar, S., additional, Savin, I. A., additional, Sbrizzai, G., additional, Schiavon, P., additional, Schill, C., additional, Schlüter, T., additional, Schmitt, L., additional, Schönning, K., additional, Schopferer, S., additional, Schröder, W., additional, Shevchenko, O. Yu., additional, Siebert, H.-W., additional, Silva, L., additional, Sinha, L., additional, Sissakian, A. N., additional, Slunecka, M., additional, Smirnov, G. I., additional, Sosio, S., additional, Sozzi, F., additional, Srnka, A., additional, Stolarski, M., additional, Sulc, M., additional, Sulej, R., additional, Sznajder, P., additional, Takekawa, S., additional, Ter Wolbeek, J., additional, Tessaro, S., additional, Tessarotto, F., additional, Teufel, A., additional, Tkatchev, L. G., additional, Uhl, S., additional, Uman, I., additional, Vandenbroucke, M., additional, Virius, M., additional, Vlassov, N. V., additional, Windmolders, R., additional, Wiślicki, W., additional, Wollny, H., additional, Zaremba, K., additional, Zavertyaev, M., additional, Zemlyanichkina, E., additional, Ziembicki, M., additional, Zhuravlev, N., additional, and Zvyagin, A., additional

Published
2012
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13. Quark helicity distributions from longitudinal spin asymmetries in muon–proton and muon–deuteron scattering

Author

Alekseev, M.G., primary, Alexakhin, V.Yu., additional, Alexandrov, Yu., additional, Alexeev, G.D., additional, Amoroso, A., additional, Austregesilo, A., additional, Badełek, B., additional, Balestra, F., additional, Barth, J., additional, Baum, G., additional, Bedfer, Y., additional, Bernhard, J., additional, Bertini, R., additional, Bettinelli, M., additional, Birsa, R., additional, Bisplinghoff, J., additional, Bordalo, P., additional, Bradamante, F., additional, Bravar, A., additional, Bressan, A., additional, Brona, G., additional, Burtin, E., additional, Bussa, M.P., additional, Chaberny, D., additional, Chiosso, M., additional, Chung, S.U., additional, Cicuttin, A., additional, Colantoni, M., additional, Crespo, M.L., additional, Torre, S. Dalla, additional, Das, S., additional, Dasgupta, S.S., additional, Denisov, O.Yu., additional, Dhara, L., additional, Diaz, V., additional, Donskov, S.V., additional, Doshita, N., additional, Duic, V., additional, Dünnweber, W., additional, Efremov, A., additional, El Alaoui, A., additional, Eversheim, P.D., additional, Eyrich, W., additional, Faessler, M., additional, Ferrero, A., additional, Filin, A., additional, Finger, M., additional, Fischer, H., additional, Franco, C., additional, Friedrich, J.M., additional, Garfagnini, R., additional, Gautheron, F., additional, Gavrichtchouk, O.P., additional, Gazda, R., additional, Gerassimov, S., additional, Geyer, R., additional, Giorgi, M., additional, Gnesi, I., additional, Gobbo, B., additional, Goertz, S., additional, Grabmüller, S., additional, Grasso, A., additional, Grube, B., additional, Gushterski, R., additional, Guskov, A., additional, Haas, F., additional, von Harrach, D., additional, Hasegawa, T., additional, Heinsius, F.H., additional, Herrmann, F., additional, Heß, C., additional, Hinterberger, F., additional, Horikawa, N., additional, Höppner, Ch., additional, d'Hose, N., additional, Ilgner, C., additional, Ishimoto, S., additional, Ivanov, O., additional, Ivanshin, Yu., additional, Iwata, T., additional, Jahn, R., additional, Jasinski, P., additional, Jegou, G., additional, Joosten, R., additional, Kabuß, E., additional, Kang, D., additional, Ketzer, B., additional, Khaustov, G.V., additional, Khokhlov, Yu.A., additional, Kisselev, Yu., additional, Klein, F., additional, Klimaszewski, K., additional, Koblitz, S., additional, Koivuniemi, J.H., additional, Kolosov, V.N., additional, Kondo, K., additional, Königsmann, K., additional, Konopka, R., additional, Konorov, I., additional, Konstantinov, V.F., additional, Korzenev, A., additional, Kotzinian, A.M., additional, Kouznetsov, O., additional, Kowalik, K., additional, Krämer, M., additional, Kral, A., additional, Kroumchtein, Z.V., additional, Kuhn, R., additional, Kunne, F., additional, Kurek, K., additional, Lauser, L., additional, Le Goff, J.M., additional, Lednev, A.A., additional, Lehmann, A., additional, Levorato, S., additional, Lichtenstadt, J., additional, Liska, T., additional, Maggiora, A., additional, Maggiora, M., additional, Magnon, A., additional, Makke, N., additional, Mallot, G.K., additional, Mann, A., additional, Marchand, C., additional, Martin, A., additional, Marzec, J., additional, Massmann, F., additional, Matsuda, T., additional, Meyer, W., additional, Michigami, T., additional, Mikhailov, Yu.V., additional, Moinester, M.A., additional, Mutter, A., additional, Nagaytsev, A., additional, Nagel, T., additional, Nassalski, J., additional, Negrini, T., additional, Nerling, F., additional, Neubert, S., additional, Neyret, D., additional, Nikolaenko, V.I., additional, Nunes, A.S., additional, Olshevsky, A.G., additional, Ostrick, M., additional, Padee, A., additional, Panknin, R., additional, Panzieri, D., additional, Parsamyan, B., additional, Paul, S., additional, Pawlukiewicz-Kaminska, B., additional, Perevalova, E., additional, Pesaro, G., additional, Peshekhonov, D.V., additional, Piragino, G., additional, Platchkov, S., additional, Pochodzalla, J., additional, Polak, J., additional, Polyakov, V.A., additional, Pontecorvo, G., additional, Pretz, J., additional, Quintans, C., additional, Rajotte, J.-F., additional, Ramos, S., additional, Rapatsky, V., additional, Reicherz, G., additional, Richter, A., additional, Robinet, F., additional, Rocco, E., additional, Rondio, E., additional, Ryabchikov, D.I., additional, Samoylenko, V.D., additional, Sandacz, A., additional, Santos, H., additional, Sapozhnikov, M.G., additional, Sarkar, S., additional, Savin, I.A., additional, Sbrizzai, G., additional, Schiavon, P., additional, Schill, C., additional, Schlüter, T., additional, Schmitt, L., additional, Schopferer, S., additional, Schröder, W., additional, Shevchenko, O.Yu., additional, Siebert, H.-W., additional, Silva, L., additional, Sinha, L., additional, Sissakian, A.N., additional, Slunecka, M., additional, Smirnov, G.I., additional, Sosio, S., additional, Sozzi, F., additional, Srnka, A., additional, Stolarski, M., additional, Sulc, M., additional, Sulej, R., additional, Takekawa, S., additional, Tessaro, S., additional, Tessarotto, F., additional, Teufel, A., additional, Tkatchev, L.G., additional, Uhl, S., additional, Uman, I., additional, Virius, M., additional, Vlassov, N.V., additional, Vossen, A., additional, Weitzel, Q., additional, Windmolders, R., additional, Wiślicki, W., additional, Wollny, H., additional, Zaremba, K., additional, Zavertyaev, M., additional, Zemlyanichkina, E., additional, Ziembicki, M., additional, Zhao, J., additional, Zhuravlev, N., additional, and Zvyagin, A., additional

Published
2010
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14. Measurement of the Collins and Sivers asymmetries on transversely polarised protons

Author

Alekseev, M.G., primary, Alexakhin, V.Yu., additional, Alexandrov, Yu., additional, Alexeev, G.D., additional, Amoroso, A., additional, Austregesilo, A., additional, Badełek, B., additional, Balestra, F., additional, Ball, J., additional, Barth, J., additional, Baum, G., additional, Bedfer, Y., additional, Bernhard, J., additional, Bertini, R., additional, Bettinelli, M., additional, Birsa, R., additional, Bisplinghoff, J., additional, Bordalo, P., additional, Bradamante, F., additional, Bravar, A., additional, Bressan, A., additional, Brona, G., additional, Burtin, E., additional, Bussa, M.P., additional, Chaberny, D., additional, Chiosso, M., additional, Chung, S.U., additional, Cicuttin, A., additional, Colantoni, M., additional, Crespo, M.L., additional, Torre, S.Dalla, additional, Das, S., additional, Dasgupta, S.S., additional, Denisov, O.Yu., additional, Dhara, L., additional, Diaz, V., additional, Donskov, S.V., additional, Doshita, N., additional, Duic, V., additional, Dünnweber, W., additional, Efremov, A., additional, El Alaoui, A., additional, Elia, C., additional, Eversheim, P.D., additional, Eyrich, W., additional, Faessler, M., additional, Ferrero, A., additional, Filin, A., additional, Finger, M., additional, Fischer, H., additional, Franco, C., additional, Friedrich, J.M., additional, Garfagnini, R., additional, Gautheron, F., additional, Gavrichtchouk, O.P., additional, Gazda, R., additional, Gerassimov, S., additional, Geyer, R., additional, Giorgi, M., additional, Gnesi, I., additional, Gobbo, B., additional, Goertz, S., additional, Grabmüller, S., additional, Grasso, A., additional, Grube, B., additional, Gushterski, R., additional, Guskov, A., additional, Haas, F., additional, von Harrach, D., additional, Hasegawa, T., additional, Heinsius, F.H., additional, Hermann, R., additional, Herrmann, F., additional, Heß, C., additional, Hinterberger, F., additional, Horikawa, N., additional, Höppner, Ch., additional, d'Hose, N., additional, Ilgner, C., additional, Ishimoto, S., additional, Ivanov, O., additional, Ivanshin, Yu., additional, Iwata, T., additional, Jahn, R., additional, Jasinski, P., additional, Jegou, G., additional, Joosten, R., additional, Kabuß, E., additional, Käfer, W., additional, Kang, D., additional, Ketzer, B., additional, Khaustov, G.V., additional, Khokhlov, Yu.A., additional, Kisselev, Yu., additional, Klein, F., additional, Klimaszewski, K., additional, Koblitz, S., additional, Koivuniemi, J.H., additional, Kolosov, V.N., additional, Kondo, K., additional, Königsmann, K., additional, Konopka, R., additional, Konorov, I., additional, Konstantinov, V.F., additional, Korzenev, A., additional, Kotzinian, A.M., additional, Kouznetsov, O., additional, Kowalik, K., additional, Krämer, M., additional, Kral, A., additional, Kroumchtein, Z.V., additional, Kuhn, R., additional, Kunne, F., additional, Kurek, K., additional, Lauser, L., additional, Le Goff, J.M., additional, Lednev, A.A., additional, Lehmann, A., additional, Levorato, S., additional, Lichtenstadt, J., additional, Liska, T., additional, Maggiora, A., additional, Maggiora, M., additional, Magnon, A., additional, Mallot, G.K., additional, Mann, A., additional, Marchand, C., additional, Martin, A., additional, Marzec, J., additional, Massmann, F., additional, Matsuda, T., additional, Meyer, W., additional, Michigami, T., additional, Mikhailov, Yu.V., additional, Moinester, M.A., additional, Mutter, A., additional, Nagaytsev, A., additional, Nagel, T., additional, Nassalski, J., additional, Negrini, T., additional, Nerling, F., additional, Neubert, S., additional, Neyret, D., additional, Nikolaenko, V.I., additional, Nunes, A.S., additional, Olshevsky, A.G., additional, Ostrick, M., additional, Padee, A., additional, Panknin, R., additional, Panzieri, D., additional, Parsamyan, B., additional, Paul, S., additional, Pawlukiewicz-Kaminska, B., additional, Perevalova, E., additional, Pesaro, G., additional, Peshekhonov, D.V., additional, Piragino, G., additional, Platchkov, S., additional, Pochodzalla, J., additional, Polak, J., additional, Polyakov, V.A., additional, Pontecorvo, G., additional, Pretz, J., additional, Quintans, C., additional, Rajotte, J.-F., additional, Ramos, S., additional, Rapatsky, V., additional, Reicherz, G., additional, Richter, A., additional, Robinet, F., additional, Rocco, E., additional, Rondio, E., additional, Ryabchikov, D.I., additional, Samoylenko, V.D., additional, Sandacz, A., additional, Santos, H., additional, Sapozhnikov, M.G., additional, Sarkar, S., additional, Savin, I.A., additional, Sbrizzai, G., additional, Schiavon, P., additional, Schill, C., additional, Schlüter, T., additional, Schmitt, L., additional, Schopferer, S., additional, Schröder, W., additional, Shevchenko, O.Yu., additional, Siebert, H.-W., additional, Silva, L., additional, Sinha, L., additional, Sissakian, A.N., additional, Slunecka, M., additional, Smirnov, G.I., additional, Sosio, S., additional, Sozzi, F., additional, Srnka, A., additional, Stolarski, M., additional, Sulc, M., additional, Sulej, R., additional, Takekawa, S., additional, Tessaro, S., additional, Tessarotto, F., additional, Teufel, A., additional, Tkatchev, L.G., additional, Uhl, S., additional, Uman, I., additional, Virius, M., additional, Vlassov, N.V., additional, Vossen, A., additional, Weitzel, Q., additional, Windmolders, R., additional, Wiślicki, W., additional, Wollny, H., additional, Zaremba, K., additional, Zavertyaev, M., additional, Zemlyanichkina, E., additional, Ziembicki, M., additional, Zhao, J., additional, Zhuravlev, N., additional, and Zvyagin, A., additional

Published
2010
Full Text
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15. The spin-dependent structure function of the proton g1p and a test of the Bjorken sum rule

Author

Alekseev, M.G., primary, Alexakhin, V.Yu., additional, Alexandrov, Yu., additional, Alexeev, G.D., additional, Amoroso, A., additional, Austregesilo, A., additional, Badełek, B., additional, Balestra, F., additional, Ball, J., additional, Barth, J., additional, Baum, G., additional, Bedfer, Y., additional, Bernhard, J., additional, Bertini, R., additional, Bettinelli, M., additional, Birsa, R., additional, Bisplinghoff, J., additional, Bordalo, P., additional, Bradamante, F., additional, Bravar, A., additional, Bressan, A., additional, Brona, G., additional, Burtin, E., additional, Bussa, M.P., additional, Chaberny, D., additional, Čotić, D., additional, Chiosso, M., additional, Chung, S.U., additional, Cicuttin, A., additional, Colantoni, M., additional, Crespo, M.L., additional, Torre, S.Dalla, additional, Das, S., additional, Dasgupta, S.S., additional, Denisov, O.Yu., additional, Dhara, L., additional, Diaz, V., additional, Donskov, S.V., additional, Doshita, N., additional, Duic, V., additional, Dünnweber, W., additional, Efremov, A., additional, El Alaoui, A., additional, Eversheim, P.D., additional, Eyrich, W., additional, Faessler, M., additional, Ferrero, A., additional, Filin, A., additional, Finger, M., additional, Fischer, H., additional, Franco, C., additional, Friedrich, J.M., additional, Garfagnini, R., additional, Gautheron, F., additional, Gavrichtchouk, O.P., additional, Gazda, R., additional, Gerassimov, S., additional, Geyer, R., additional, Giorgi, M., additional, Gnesi, I., additional, Gobbo, B., additional, Goertz, S., additional, Grabmüller, S., additional, Grasso, A., additional, Grube, B., additional, Gushterski, R., additional, Guskov, A., additional, Haas, F., additional, von Harrach, D., additional, Hasegawa, T., additional, Heinsius, F.H., additional, Hermann, R., additional, Herrmann, F., additional, Heß, C., additional, Hinterberger, F., additional, Horikawa, N., additional, Höppner, Ch., additional, d'Hose, N., additional, Ilgner, C., additional, Ishimoto, S., additional, Ivanov, O., additional, Ivanshin, Yu., additional, Iwata, T., additional, Jahn, R., additional, Jasinski, P., additional, Jegou, G., additional, Joosten, R., additional, Kabuß, E., additional, Käfer, W., additional, Kang, D., additional, Ketzer, B., additional, Khaustov, G.V., additional, Khokhlov, Yu.A., additional, Kisselev, Yu., additional, Klein, F., additional, Klimaszewski, K., additional, Koblitz, S., additional, Koivuniemi, J.H., additional, Kolosov, V.N., additional, Kondo, K., additional, Königsmann, K., additional, Konopka, R., additional, Konorov, I., additional, Konstantinov, V.F., additional, Korzenev, A., additional, Kotzinian, A.M., additional, Kouznetsov, O., additional, Kowalik, K., additional, Krämer, M., additional, Kral, A., additional, Kroumchtein, Z.V., additional, Kuhn, R., additional, Kunne, F., additional, Kurek, K., additional, Lauser, L., additional, Le Goff, J.M., additional, Lednev, A.A., additional, Lehmann, A., additional, Levorato, S., additional, Lichtenstadt, J., additional, Liska, T., additional, Maggiora, A., additional, Maggiora, M., additional, Magnon, A., additional, Mallot, G.K., additional, Mann, A., additional, Marchand, C., additional, Marroncle, J., additional, Martin, A., additional, Marzec, J., additional, Massmann, F., additional, Matsuda, T., additional, Meyer, W., additional, Michigami, T., additional, Mikhailov, Yu.V., additional, Moinester, M.A., additional, Mutter, A., additional, Nagaytsev, A., additional, Nagel, T., additional, Nassalski, J., additional, Negrini, T., additional, Nerling, F., additional, Neubert, S., additional, Neyret, D., additional, Nikolaenko, V.I., additional, Nunes, A.S., additional, Olshevsky, A.G., additional, Ostrick, M., additional, Padee, A., additional, Panknin, R., additional, Panzieri, D., additional, Parsamyan, B., additional, Paul, S., additional, Pawlukiewicz-Kaminska, B., additional, Perevalova, E., additional, Pesaro, G., additional, Peshekhonov, D.V., additional, Piragino, G., additional, Platchkov, S., additional, Pochodzalla, J., additional, Polak, J., additional, Polyakov, V.A., additional, Pontecorvo, G., additional, Pretz, J., additional, Quintans, C., additional, Rajotte, J.-F., additional, Ramos, S., additional, Rapatsky, V., additional, Reicherz, G., additional, Richter, A., additional, Robinet, F., additional, Rocco, E., additional, Rondio, E., additional, Ryabchikov, D.I., additional, Samoylenko, V.D., additional, Sandacz, A., additional, Santos, H., additional, Sapozhnikov, M.G., additional, Sarkar, S., additional, Savin, I.A., additional, Sbrizzai, G., additional, Schiavon, P., additional, Schill, C., additional, Schlüter, T., additional, Schmitt, L., additional, Schopferer, S., additional, Schröder, W., additional, Shevchenko, O.Yu., additional, Siebert, H.-W., additional, Silva, L., additional, Sinha, L., additional, Sissakian, A.N., additional, Slunecka, M., additional, Smirnov, G.I., additional, Sosio, S., additional, Sozzi, F., additional, Srnka, A., additional, Stolarski, M., additional, Sulc, M., additional, Sulej, R., additional, Takekawa, S., additional, Tessaro, S., additional, Tessarotto, F., additional, Teufel, A., additional, Tkatchev, L.G., additional, Uhl, S., additional, Uman, I., additional, Virius, M., additional, Vlassov, N.V., additional, Vossen, A., additional, Weitzel, Q., additional, Windmolders, R., additional, Wiślicki, W., additional, Wollny, H., additional, Zaremba, K., additional, Zavertyaev, M., additional, Zemlyanichkina, E., additional, Ziembicki, M., additional, Zhao, J., additional, Zhuravlev, N., additional, and Zvyagin, A., additional

Published
2010
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16. COMPASS-II Proposal

Author

Gautheron, F., Heß, Ch, Koivuniemi, J., Meyer, W., Reicherz, G., Bisplinghoff, J., Eversheim, D., Hinterberger, F., Jahn, R., Joosten, R., Negrini, T., Barth, J., Klein, F., Goertz, S., Panknin, R., Pretz, J., Windmolders, R., Srnka, A., Dasgupta, S., Dhara, L., Sarkara, S., Sinha, L., Alexakhin, V. Yu, Alexeev, G. D., Anosov, V. A., Antonov, A., Efremov, A., Gavrichtchouk, O. P., Guskov, A., Ivanshin, Yu, Ivanov, O., Kisselev, Yu, Kouznetsov, O., Kroumchtein, Z., Meshcheryakov, G. V., Nagaytsev, A., Olshevski, A., Peshekhonov, D. V., Pontecorvo, G., Rossiyskaya, N., Sapozhnikov, M. G., Savin, I. A., Shevchenko, O. Yu, Sissakian, A. N., Smirnov, G. I., Teryaev, O. V., Tkatchev, L. G., Vlassov, N. V., Zemlyanichkina, E., Adolph, Ch, Braun, Ch, Eyrich, W., Lehmann, A., Richter, A., Fischer, H., Heinsius, F-H, Herrmann, F., Guthörl, T., Lauser, L., Königsmann, K., Nerling, F., Schill, Ch, Wollny, H., Schmidt, K., Schopferer, S., Mallot, G. K., Nowak, W-D, Schönning, K., Schott, M., Sulc, M., Bordalo, P., Franco, C., Nunes, A. S., Quintans, C., Ramos, S., Silva, L., Stolarski, M., Johannes Bernhard, Chaberny, D., Du Fresne Hohenesche, N., Harrach, D., Jasinski, P., Kabuß, E. M., Kang, D-H, Ostrick, M., Pochodzalla, J., Alexandrov, Yu, Zavertyaev, M., Böhmer, F., Dørheim, S., Friedrich, J. M., Gerassimov, S., Grabmüller, S., Grube, B., Haas, F., Höppner, Ch, Ketzer, B., Konorov, I., Krämer, M., Mann, A., Nagel, T., Neubert, S., Paul, S., Schmitt, L., Uhl, S., Bettinelli, M., Dünnweber, W., Faessler, M. A., Geyer, R., Rajotte, J-F, Schlüter, T., Uman, I., Zvyagin, A., Finger, M., michael finger, Slunecka, M., Jary, V., Virius, M., Donskov, S. V., Filin, A., Khaustov, G. V., Khokhlov, Yu, Kolosov, V., Konstantinov, V., Lednev, A. A., Mikhailov, Yu V., Nikolaenko, V. I., Polyakov, V. A., Ryabchikov, D., Samoylenko, V. D., Bedfer, Y., Burtin, E., Ferrero, A., D Hose, N., Kunne, F., Magnon, A., Makke, N., Marchand, C., Morreale, A., Neyret, D., Platchkov, S., Vandenbroucke, M., Lichtenstadt, J., Moinester, M. A., Birsa, R., Bradamante, F., Bressan, A., Dalla Torre, S., Duic, V., Elia, C., Giorgi, M., Gobbo, B., Levorato, S., Martin, A., Pesaro, G., Rocco, E., Sbrizzai, G., Schiavon, P., Sozzi, F., Tessaro, S., Tessarotto, F., Alexeev, M. G., Amoroso, A., Balestra, F., Bertini, R., Chiosso, M., Denisov, O., Garfagnini, R., Gnesi, I., Grasso, A., Kotzinian, A., Maggiora, A., Melis, S., Panzieri, D., Parsamyan, B., Piragino, G., Sosio, S., Takekawa, S., Badelek, B., Brona, G., Gazda, R., Klimaszewski, K., Kurek, K., Rondio, E., Sandacz, A., Sznajder, P., Wislicki, W., Marzec, J., Dziewiecki, M., Sulej, R., Zaremba, K., Ziembicki, M., Doshita, N., Iwata, T., Ishimoto, S., Horikawa, N., Kondo, K., Matsuda, T., and Miyachi, Y.

Subjects
Computer Science::Hardware Architecture, High Energy Physics::Phenomenology, Computer Science::Programming Languages, Detectors and Experimental Techniques, Nuclear Experiment
Abstract

The proposed new measurements comprise a Generalised Parton Distributions programme, an unpolarised PDF and FF programme, a transverse momentum dependent PDF programme and a programme for tests of chiral perturbation theory.

17. Measurement of the Collins and Sivers asymmetries on transversely polarised protons

Author

J. Barth, M.G. Sapozhnikov, D.V. Peshekhonov, Grzegorz Brona, S. Ishimoto, Frank Klein, Gerhard K. Mallot, R. Jahn, G. Pesaro, A. Vossen, F. Sozzi, Johannes Bernhard, A. Guskov, M. Maggiora, R. Bertini, Andrea Ferrero, M. Stolarski, P. Schiavon, A. Bravar, A.A. Lednev, S. Sosio, M. Bettinelli, M. Krämer, S. Koblitz, S. Takekawa, Andrea Bressan, I. Gnesi, L. Lauser, J. Nassalski, M. Ziembicki, I. Konorov, S.S. Dasgupta, A. Korzenev, A. Nagaytsev, F. Balestra, M. Slunecka, F. Nerling, O.P. Gavrichtchouk, L. Sinha, T. Matsuda, Norihiro Doshita, G. Sbrizza, F. Haas, R. Geyer, C. Franco, N. d'Hose, M. V. Zavertyaev, A. El Alaoui, S. Gerassimov, N. Horikawa, G. Jegou, Yu. Ivanshin, Yu. Alexandrov, Sergey Donskov, Bakur Parsamyan, S. Paul, B. Gobbo, A. Srnka, C. Quintans, S. Tessaro, A. N. Sissakian, Yu.V. Mikhailov, G.I. Smirnov, Fabrice Gautheron, W. Schröder, A. Zvyagin, A. Austregesilo, R. Gazda, C. Elia, S. Das, K. Kondo, O.Yu. Denisov, Achim Richter, F. Massmann, S. Ramos, G. Piragino, H. Santos, Yu.A. Khokhlov, N. I. Zhuravlev, M. A. Faessler, Y. Bedfer, Takahiro Iwata, S. Uhl, M. Giorgi, Franco Bradamante, C. Marchand, D. Neyret, A.V. Efremov, R. Konopka, A. Teufel, T. Nagel, S. Schopferer, V.Yu. Alexakhin, W. Eyrich, L. Dhara, J. Pretz, Aram Kotzinian, A. Král, R. Windmolders, R. Kuhn, A. Mutter, P.D. Eversheim, B. Badelek, I.A. Savin, K. Kowalik, E. Kabuss, D. von Harrach, J. Kiefer, K. Zaremba, W. Kafer, S.-U. Chung, J. Marzec, Yu. Kisselev, V.A. Polyakov, R. Sulej, A. Lehmann, L. G. Tkatchev, T. Michigami, P. Jasinski, St. Goertz, B. Ketzer, F. Robinet, A. Filin, S. Grabmüller, Anne-Laure Martin, F. Tessarotto, M. L. Colantoni, E.V. Komissarov, I. Uman, L. Schmitt, F. Kunne, François Herrmann, A. Amoroso, Moinester, H.-W. Siebert, M. Ostrick, V. Diaz, K. Klimaszewski, V.N. Kolosov, Ch. Höppner, R. Hermann, A. Sandacz, T. Schlüter, Andres Cicuttin, E. Burtin, G. Reicherz, V.F. Konstantinov, J.M. Friedrich, Q. Weitzel, S. Neubert, Miroslav Sulc, F. Hinterberger, Christian Schill, S. Dalla Torre, E. Perevalova, J. Pochodzalla, V.D. Samoylenko, S. Platchkov, J. Bisplinghoff, R. Panknin, H. Fischer, M.G. Alekseev, D. Chaberny, Elena Rocco, J. Ball, P. Bordalo, B. Grube, G.B. Pontecorvo, R. Joosten, A. Mann, E. Zemlyanichkina, G.V. Khaustov, D. Kang, K. Königsmann, W. Meyer, Maria Liz Crespo, G. D. Alexeev, C. Ilgner, W. Dünnweber, A. Maggiora, A. Grasso, R. Birsa, J. Lichtenstadt, C. Hess, F.H. Heinsius, A.G. Olshevsky, M. Chiosso, K. Kurek, A. Padee, A. Magnon, J. Polak, S. Sarkar, J.H. Koivuniemi, B. Pawlukiewicz-Kaminska, V. Rapatsky, Jean-Francois Rajotte, D.I. Ryabchikov, A.S. Nunes, D. Panzieri, T. Liška, R. Gushterski, T. Hasegawa, E. Rondio, M.P. Bussa, O.M. Kouznetsov, Z.V. Kroumchtein, J. M. Le Goff, V. Duic, T. Negrini, J. Zhao, W. Wislicki, Laura Silva, Oleg V. Ivanov, H. Wollny, M. Virius, N.V. Vlassov, Günter Baum, O.Yu. Shevchenko, S. Levorato, V.I. Nikolaenko, R. Garfagnini, M. Finger, Alekseev, M. G., Alexakhin, V. Y. u., Alexandrov, Y. u., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badełek, B., Balestra, F., Ball, J., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Birsa, Renato, Bisplinghoff, J., Bordalo, P., Bradamante, Franco, Bravar, A., Bressan, Andrea, Brona, G., Burtin, E., Bussa, M. P., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Colantoni, M., Crespo, M. L., DALLA TORRE, Silvia, Das, S., Dasgupta, S. S., Denisov, O. Y. u., Dhara, L., Diaz, V., Donskov, S. V., Doshita, N., Duic, Venicio, Dünnweber, W., Efremov, A., El Alaoui, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Fischer, H., Franco, C., Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, Marcello, Gnesi, I., Gobbo, B., Goertz, S., Grabmüller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Hermann, R., Herrmann, F., Heß, C., Hinterberger, F., Horikawa, N., Höppner, C. h., D'Hose, N., Ilgner, C., Ishimoto, S., Ivanov, O., Ivanshin, Y. u., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuß, E., Käfer, W., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konopka, R., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kowalik, K., Krämer, M., Kral, A., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Lauser, L., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, Stefano, Lichtenstadt, J., Liska, T., Maggiora, A., Maggiora, M., Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Martin, Anna, Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Y. u. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Pawlukiewicz Kaminska, B., Perevalova, E., Pesaro, Giulia, Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Robinet, F., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, Giulio, Schiavon, Paolo, Schill, C., Schlüter, T., Schmitt, L., Schopferer, S., Schröder, W., Shevchenko, O. Y. u., Siebert, H. W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, Federica, Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Takekawa, Stefano, Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Virius, M., Vlassov, N. V., Vossen, A., Weitzel, Q., Windmolders, R., Wiślicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhao, J., Zhuravlev, N., and Zvyaginy, A.

Subjects
Quark, Nuclear and High Energy Physics, Particle physics, Proton, media_common.quotation_subject, Sivers asymmetry, Nuclear Theory, Hadron, FOS: Physical sciences, Inelastic scattering, 01 natural sciences, Asymmetry, COMPASS, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, Transverse spin effect, Nuclear Experiment, 010306 general physics, media_common, Physics, Muon, Large Hadron Collider, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Transverse spin effects, Collins asymmetry, Physics::Accelerator Physics, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

The Collins and Sivers asymmetries for charged hadrons produced in deeply inelastic scattering on transversely polarised protons have been extracted from the data collected in 2007 with the CERN SPS muon beam tuned at 160 GeV/c. At large values of the Bjorken x variable non-zero Collins asymmetries are observed both for positive and negative hadrons while the Sivers asymmetry for positive hadrons is slightly positive over almost all the measured x range. These results nicely support the present theoretical interpretation of these asymmetries, in terms of leading-twist quark distribution and fragmentation functions., 9 Pages, 5 figures

Published
2010

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