9 results on '"García Llongo, J."'
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2. Beam-helicity asymmetry in photon and pion electroproduction in the Δ(1232)-resonance region at Q2 = 0.35(GeV/c)2
- Author
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Bensafa, I. K., Achenbach, P., Ases Antelo, M., Ayerbe, C., Baumann, D., Böhm, R., Bosnar, D., Burtin, E., Defaÿ, X., D'Hose, N., Ding, M., Distler, M. O., Doria, L., Fonvieille, H., Friedrich, J. M., Friedrich, J., García Llongo, J., Janssens, P., Jover Mañas, G., Kohl, M., Laveissière, G., Lloyd, M., Makek, M., Marroncle, J., Merkel, H., Merle, P., Müller, U., Nungesser, L., Pasquini, B., Pérez Benito, R., Pochodzalla, J., Potokar, M., Rosner, G., Sánchez Majos, S., Seimetz, M., Širca, S., Spitzenberg, T., Tamas, G., Van de Vyver, R., Van Hoorebeke, L., Walcher, Th., and Weis, M.
- Published
- 2007
- Full Text
- View/download PDF
3. Investigation of the Exclusive 3He(e, e’pn) 1H Reaction
- Author
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Kepler Centre for Astro and Particle Physics, Physikalisches Institut, Universität Tübingen, D-72076 Tübingen, Germany, Department of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, Scotland, Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany, Nikhef, P.O. Box 41882, 1009 DB Amsterdam, The Netherlands, Nikhef, P.O. Box 41882, 1009 DB Amsterdam, The Netherlands, Department of Physics, VU-university, Amsterdam, The Netherlands, Department of Physics, University of Zagreb, Zagreb, Croatia, M. Smoluchowski Institute of Physics, Jagiellonian University, PL-30059 Kraków, Poland, Institut für Theoretische Physik II, Ruhr-Universität Bochum, D-44780 Bochum, Germany, Department of Physics, Faculty of Engineering, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan, Institute for Advanced Simulation, Institut für Kernphysik, and Jülich Center for Hadron Physics, Forschungszentrum Jülich, D-52425 Jülich, Germany, Institute Jožef Stefan, University of Ljubljana, Ljubljana, Slovenia, Middleton, D. G., Annand, J. R. M., Antelo, M. Ases, Ayerbe, C., Barneo, P., Baumann, D., Bermuth, J., Bernauer, J., Blok, H. P., Böhm, R., Bosnar, D., Ding, M., Distler, M. O., Friedrich, J., García, Llongo J., Glazier, D. I., Golak, J., Glöckle, W., Grabmayr, P., Hehl, T., Heim, J., Hesselink, W. H. A., Jans, E., Kamada, H., Jover, Mañas G., Kohl, M., Lapikás, L., MacGregor, I. J. D., Martin, I., McGeorge, J. C., Merkel, H., Merle, P., Monstad, K., Moschini, F., Müller, U., Nogga, A., Pérez-Benito, R., Pospischil, Th., Potokar, M., Rosner, G., Seimetz, M., Skibiński, R., de, Vries H., Walcher, Th., Watts, D. P., Weinriefer, M., Weiss, M., Witała, H., Zihlmann, B., Kepler Centre for Astro and Particle Physics, Physikalisches Institut, Universität Tübingen, D-72076 Tübingen, Germany, Department of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, Scotland, Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany, Nikhef, P.O. Box 41882, 1009 DB Amsterdam, The Netherlands, Nikhef, P.O. Box 41882, 1009 DB Amsterdam, The Netherlands, Department of Physics, VU-university, Amsterdam, The Netherlands, Department of Physics, University of Zagreb, Zagreb, Croatia, M. Smoluchowski Institute of Physics, Jagiellonian University, PL-30059 Kraków, Poland, Institut für Theoretische Physik II, Ruhr-Universität Bochum, D-44780 Bochum, Germany, Department of Physics, Faculty of Engineering, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan, Institute for Advanced Simulation, Institut für Kernphysik, and Jülich Center for Hadron Physics, Forschungszentrum Jülich, D-52425 Jülich, Germany, Institute Jožef Stefan, University of Ljubljana, Ljubljana, Slovenia, Middleton, D. G., Annand, J. R. M., Antelo, M. Ases, Ayerbe, C., Barneo, P., Baumann, D., Bermuth, J., Bernauer, J., Blok, H. P., Böhm, R., Bosnar, D., Ding, M., Distler, M. O., Friedrich, J., García, Llongo J., Glazier, D. I., Golak, J., Glöckle, W., Grabmayr, P., Hehl, T., Heim, J., Hesselink, W. H. A., Jans, E., Kamada, H., Jover, Mañas G., Kohl, M., Lapikás, L., MacGregor, I. J. D., Martin, I., McGeorge, J. C., Merkel, H., Merle, P., Monstad, K., Moschini, F., Müller, U., Nogga, A., Pérez-Benito, R., Pospischil, Th., Potokar, M., Rosner, G., Seimetz, M., Skibiński, R., de, Vries H., Walcher, Th., Watts, D. P., Weinriefer, M., Weiss, M., Witała, H., and Zihlmann, B.
- Abstract
type:Journal Article, Cross sections for the 3He(e,e' pn)1H reaction were measured for the first time at energy transfers of 220 and 270 MeV for several momentum transfers ranging from 300 to 450 MeV/c. Cross sections are presented as a function of the momentum of the recoil proton and the momentum transfer. Continuum Faddeev calculations using the Argonne V18 and Bonn-B nucleon-nucleon potentials overestimate the measured cross sections by a factor 5 at low recoil proton momentum with the discrepancy becoming smaller at higher recoil proton momentum.
- Published
- 2017
4. Investigation of the Exclusive ^3He(e,e′pn)^1H Reaction
- Author
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Middleton, D. G., Annand, J. R. M., Antelo, M. Ases, Ayerbe, C., Barneo, P., Baumann, D., Bermuth, J., Bernauer, J., Blok, H. P., Böhm, R., Bosnar, D., Ding, M., Distler, M. O., Friedrich, J., García, Llongo J., Glazier, D. I., Golak, J., Glöckle, W., Grabmayr, P., Hehl, T., Heim, J., Hesselink, W. H. A., Jans, E., Kamada, H., Jover, Mañas G., Kohl, M., Lapikás, L., MacGregor, I. J. D., Martin, I., McGeorge, J. C., Merkel, H., Merle, P., Monstad, K., Moschini, F., Müller, U., Nogga, A., Pérez-Benito, R., Pospischil, Th., Potokar, M., Rosner, G., Seimetz, M., Skibiński, R., de, Vries H., Walcher, Th., Watts, D. P., Weinriefer, M., Weiss, M., Witała, H., and Zihlmann, B.
- Subjects
PRIRODNE ZNANOSTI. Fizika ,Nuclear Theory ,Physics::Accelerator Physics ,Nuclear Experiment ,NATURAL SCIENCES. Physics - Abstract
Cross sections for the ^3He(e,e′pn)^1H reaction were measured for the first time at energy transfers of 220 and 270 MeV for several momentum transfers ranging from 300 to 450 MeV/c. Cross sections are presented as a function of the momentum of the recoil proton and the momentum transfer. Continuum Faddeev calculations using the Argonne V18 and Bonn-B nucleon-nucleon potentials overestimate the measured cross sections by a factor 5 at low recoil proton momentum with the discrepancy becoming smaller at higher recoil proton momentum.
- Published
- 2009
- Full Text
- View/download PDF
5. Investigation of the Exclusive ^{; ; ; 3}; ; ; He(e, e'pn)p Reaction
- Author
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Middleton, D.G., Annand, J.R.M., Ases Antelo, M., Ayerbe, C., Barneo, P., Baumann, D., Bermuth, J., Bernauer, J., Blok, H.P., Bosnar, Damir, Böhm, R., Ding, M., Distler, M.O., Friedrich, J., García Llongo, J., Glazier, D. G., Golak, J., Glöckle, W., Grabmayr, P., Hehl, T., Heim, J., Hesselink, W.H.A., Jans, E., Kamada, H., Jover Mañ, As, G., Kohl, M., Lapikás, L., MacGregor, I.J.D., Martin, I., McGeorge, J.C., Merkel, H., Merle, P., Monstad, K., Moschini, F., Müller, U., Nogga, A., Pérez Benito, R., Pospischil, Th., Potokar, M., Rosner, G., Seimetz, M., Skibiński, R., de Vries, H., Walcher, Th., Watts, D.P., Weinriefer, M., Weiss, M., Witała, H., and Zihlmann, B.
- Subjects
Nuclear Theory ,Physics::Accelerator Physics ,nuclear reactions ,inelastic electron scattering ,few-body systems ,Forces in hadronic systemf ,Nuclear Experiment - Abstract
Cross sections for the ^{; ; ; 3}; ; ; He(e, e'pn)p reaction were measured for the first time at energy transfers of 220 and 270 MeV for several momentum transfers ranging from 300 to 450 MeV/c. Cross sections are presented as a function of the momentum of the recoil proton and the momentum transfer. Continuum Faddeev calculations using the Argonne V18 and Bonn-B nucleon-nucleon potentials overestimate the measured cross sections by a factor 5 at low recoil proton momentum with the discrepancy becoming much smaller at higher recoil momentum.
- Published
- 2009
6. Search for narrow nucleon resonances below pion threshold in theH(e,e′π+)Xand2H(e,e′p)Xreactions
- Author
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Kohl, M., primary, Ases Antelo, M., additional, Ayerbe, C., additional, Baumann, D., additional, Böhm, R., additional, Bosnar, D., additional, Ding, M., additional, Distler, M. O., additional, Friedrich, J., additional, García Llongo, J., additional, Jennewein, P., additional, Jover Mañas, G., additional, Merkel, H., additional, Merle, P., additional, Müller, U., additional, Neuhausen, R., additional, Nungesser, L., additional, Pérez Benito, R., additional, Pochodzalla, J., additional, Potokar, M., additional, Rangacharyulu, C., additional, Richter, A., additional, Schrieder, G., additional, Seimetz, M., additional, Walcher, Th., additional, and Weis, M., additional
- Published
- 2003
- Full Text
- View/download PDF
7. 3He( e, e′ pp) and 3He( e, e′ pn) reactions at AmPS and MAMI.
- Author
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Middleton, D. G., Annand, J. R. M., Ases Antelo, M., Ayerbe, C., Barneo, P., Baumann, D., Bermuth, J., Bernauer, J., Blok, H. P., Böhm, R., Bosnar, D., Ding, M., Distler, M. O., Friedrich, J., García Llongo, J., Glazier, D. I., Grabmayr, P., Hehl, T., Heim, J., and Hesselink, W. H. A.
- Subjects
MEASUREMENT ,NUCLEAR reactions ,COLLISIONS (Nuclear physics) ,PARTICLES (Nuclear physics) ,NUCLEAR physics ,MATHEMATICAL analysis - Abstract
This paper reports on measurements of the
3 He( e, e′ pp) reaction measured at AmPS and the3 He( e, e′ pn) reaction measured at MAMI. The measurements were performed in similar kinematics to allow a comparison to be made between the cross sections of the two reactions. Results are shown for both reactions together with a comparison for the3 He( e, e′ pp) data with continuum Faddeev calculations. [ABSTRACT FROM AUTHOR]- Published
- 2008
- Full Text
- View/download PDF
8. Beam-helicity asymmetry in photon and pion electroproduction in the Δ(1232)-resonance region at Q2 = 0.35(GeV/c)2.
- Author
-
Bensafa, I. K., Achenbach, P., Ases Antelo, M., Ayerbe, C., Baumann, D., Böhm, R., Bosnar, D., Burtin, E., Defaÿ, X., D'Hose, N., Ding, M., Distler, M. O., Doria, L., Fonvieille, H., Friedrich, J. M., García Llongo, J., Janssens, P., Mañas, G. Jover, Kohl, M., and Laveissière, G.
- Subjects
NEUTRON beams ,NEUTRON resonance ,QUANTUM theory ,PARTICLES (Nuclear physics) ,NUCLEAR physics - Abstract
The beam-helicity asymmetry has been measured simultaneously for the reactions $ \;\stackrel{{\rightarrow}}{{e}}\;$ p→ epγ and $ \;\stackrel{{\rightarrow}}{{e}}\;$ p→ epπ
0 in the Δ(1232)-resonance region at Q2 = 0.35( GeV/ c)2 . The experiment was performed at MAMI with a longitudinally polarized beam and an out-of-plane detection of the proton. The results are compared with calculations based on dispersion relations for virtual Compton scattering and with the MAID model for pion electroproduction. There is an overall good agreement between experiment and theoretical calculations. The remaining discrepancies may be ascribed to an imperfect parametrization of some γ(*) N→ πN multipoles, mainly contributing to the non-resonant background. The beam-helicity asymmetry in both channels ( γ and π0 ) shows a good sensitivity to these multipoles and should allow future improvement in their parametrization. [ABSTRACT FROM AUTHOR]- Published
- 2007
- Full Text
- View/download PDF
9. Search for narrow nucleon resonances below pion threshold in the H(e,e′π+) X and 2H(e,e′p)X reactions
- Author
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Kohl, M., Ases Antelo, M., Ayerbe, C., Baumann, D., Böhm, R., Bosnar, D., Ding, M., Distler, M. O., Friedrich, J., García Llongo, J., Jennewein, P., Gabriel Jover Mañas, Merkel, H., Merle, P., Müller, U., Neuhausen, R., Nungesser, L., Pérez Benito, R., Pochodzalla, J., Potokar, M., Rangacharyulu, C., Richter, A., Schrieder, G., Seimetz, M., Walcher, Th, and Weis, M.
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