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1. Interactions of Relativistic $^6$Li Nuclei with Photoemulsion Nuclei

Author

Adamovich, M. I., Konorov, I. A., Larionova, V. G., Peresadko, N. G., Kharlamov, S. P., Bogdanov, V. G., Plyushchev, V. A., and Solovyeva, Z. I.

Subjects
Nuclear Experiment
Abstract

Inelastic interactions of nuclei accelerated to a momentum of 4.5 GeV/$c$ per projectile nucleon with photoemulsion nuclei have been investigated. The main features of these interactions - mean ranges of $^6$Li nuclei, mean multiplicities of secondaries, the isotopic composition of fragments, fragmentation channels, and the mean transverse momenta of projectile fragments - have been measured. The probability of the charge-exchange reaction featuring lithium nuclei has been determined. The results obtained for the $^6$Li nucleus have been compared with data for other nuclei. The observed features of $^6$Li interactions with other nuclei indicate that the $^6$Li structure in the form of the loosely bound system consisting of an $\alpha$-particle and a deuteron cluster clearly manifests itself in these interactions. Events resulting in the coherent dissociation of $^6$Li nuclei into $^4$He+$d$, $^3$He+$t$, and $t+d+p$ and involving low-lying excitations of $^6$Li have been observed.

Published
2011
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2. Coherent Dissociation $^{16}$O~$\rightarrow$~4$\alpha$ in Photoemulsion at an Incident Momentum of 4.5 GeV/$c$ per Nucleon

Author

Andreeva, N. P., Anzon, Z. V., Bubnov, V. I., Gaitinov, A. Sh., Eligbaeva, G. Zh., Eremenko, L. E., Kalyachkina, G. S., Kanygina, E. K., Seitimbetov, A. M., Chasnikov, I. Ya., Shakhova, Ts. I., Haiduk, M., Krasnov, S. A., Maksimkina, T. N., Tolstov, K. D., Chernov, G. M., Salmanova, N. A., Salomov, D. A., Khushvaktova, A., Avetyan, F. A., Marutyan, N. A., Sarkisova, L. T., Sarkisyan, V. F., Adamovich, M. I., Bashmakov, Yu. A., Larionova, V. G., Orlova, G. I., Peresadko, N. G., Tretyakova, M. I., Kharlamov, S. P., Chemyavsky, M. M., Bogdanov, V. G., Plyushchev, V. A., Soloveva, Z. I., Belaga, V. V., Bondarenko, A. I., Rustamova, Sh. A., Chemov, A. G., Kostanashvili, N. N., and Vokál, S.

Subjects
Nuclear Experiment
Abstract

First searches for the coherent dissociation of relativistic oxygen nuclei into four a particles are reported. It is shown that reactions of this type are characterized by a significantly lower decay temperature than the conventional multifragmentation of residual projectile nuclei. The momentum spectra and correlations of a panicles are not reproduced by the simple statistical model of direct fragmentation. The possibility that the oxygen nucleus undergoing fragmentation acquires a nonzero angular momentum in the collision process is discussed., Comment: Translated from Yadernaya Fizika, Vol.59, No. 1, 1996, pp. 110-116

Published
2011
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3. Observation of a resonance in the K$_s$p decay channel at a mass of 1765 MeV/c$^2$

Author

WA89 Collaboration, Adamovich, M. I., Alexandrov, Yu. A., Barberis, D., Beck, M., Bérat, C., Beusch, W., Boss, M., Brons, S., Brückner, W., Buénerd, M., Busch, C., Büscher, C., Charignon, F., Chauvin, J., Chudakov, E. A., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S. G., Godbersen, M., Grafström, P., Haller, Th., Heidrich, M., Hubbard, E., Hurst, R. B., Königsmann, K., Konorov, I., Keller, N., Martens, K., Martin, Ph., Masciocchi, S., Michaels, R., Müller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ren, Z., Rey-Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C., Schmitt, L., Siebert, H. -W., Simon, A., Smith, V., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, Th., Wälder, G., Werding, R., Wittmann, E., and Zavertyaev, M. V.

Subjects
High Energy Physics - Experiment
Abstract

We report on the observation of a K$_s$p resonance signal at a mass of 1765$\pm$5 MeV/c$^2$, with intrinsic width $\Gamma = 108\pm 22$ MeV/c$^2$, produced inclusively in $\Sigma^-$-nucleus interactions at 340 GeV/c in the hyperon beam experiment WA89 at CERN. The signal was observed in the kinematic region $x_F>0.7$, in this region its production cross section rises approximately linearly with $(1-x_F)$, reaching $BR(X\to K_S p)\cdot d\sigma /dx_F = (5.2\pm 2.3) \mu b $ per nucleon at $x_F=0.8$. The hard \xf spectrum suggests the presence of a strong leading particle effect in the production and hence the identification as a $\Sigma^{*+}$ state. No corresponding peaks were observed in the $K^- p$ and $\Lambda \pi^{\pm}$ mass spectra.

Published
2007
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4. Search for the pentaquark candidate $\Theta^+$(1540) in the hyperon beam experiment WA89

Author

Adamovich, M. I.

Subjects
High Energy Physics - Experiment
Abstract

We report on a high-statistics search for the \t1540 resonance in $\Sigma^-$-nucleus collisions at 340 \gevc1 . No evidence for this resonance was found in our data sample which contains 13 millions $K^0_s \to \pi^+\pi^- $ decays above background. For the decay channel $\Theta^+ \to K^0_s p$ and the kinematic range $x_F>$ 0.05 we find the production cross section to be $BR(\Theta^+ \to K^0_s p)\cdot \sigma_0 <$ 1.8 $\mu$b per nucleon at 99% CL., Comment: 5 pages, 4 figures

Published
2005
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5. Investigation of Light Nucleus Clustering in Relativistic Multifragmentation Processes

Author

Adamovich, M. I., Bradnova, V., Chernyavsky, M. M., Dronov, V. A., Gerasimov, S. G., Just, L., Haiduc, M., Kharlamov, S. P., Kotelnikov, K. A., Kovalenko, A. D., Krasnov, V. A., Larionova, V. G., Lepekhin, F. G., Malakhov, A. I., Orlova, G. I., Peresadko, N. G., Polukhina, N. G., Rukoyatkin, P. A., Rusakova, V. V., Salmanova, N. A., Simonov, B. B., Vokal, S., and Zarubin, P. I.

Subjects
Nuclear Experiment
Abstract

The use of emulsions for studying nuclear clustering in light nucleus fragmentation processes at energies higher than 1A GeV is discussed. New results on the topologies of relativistic Li-7 and B-10 nucleus fragmentation in peripheral interactions are given. A program of research of the cluster structure in stable and radioactive nuclei is suggested., Comment: 4 pages, 1 figure. Presented at Conference on Fundamental Interactions, 2-6 December 2002, ITEP, Moscow, Russia (misprints are removed)

Published
2003
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6. Irradiation of nuclear emulsions in relativistic beams of He-6 and H-3 nuclei

Author

Adamovich, M. I., Baldin, A. M., Bradnova, V., Chernyavsky, M. M., Dronov, V. A., Kharlamov, S. P., Kovalenko, A. D., Krasnov, V. A., Larionova, V. G., Orlova, G. I., Peresadko, N. G., Rukoyatkin, P. A., Rusakova, V. V., Salmanova, N. A., and Zarubin, P. I.

Subjects
Nuclear Experiment
Abstract

Using a Li-6 nucleus beam extracted from the JINR Synchrophasotron at momentum 2.67A GeV/c a secondary beam was produced with a composition of 1% of He-6 and 99% of H-3 nuclei. Preliminary results on the features of nucleus-nucleus interactions of He-6 nuclei and charge exchange (CE) of H-3 nucleus are presented. Interactions of He-6 nucleus external neutrons with emulsion nuclei as well as a coherent stripping of He-6 nucleus external neutrons are observed. A mean range of H-3 nuclei to inelastic interactions in the BR-2 type emulsion is equal to 23.$\pm$3.0 cm. A mean range in emulsion for a nuclear CE process H-3 to He-3 is equal to 40$\pm$16 m. The CE cross-sections with a charged meson production or without it are approximately equal. The CE cross-section with excitation of a target nucleus exceeds the one without excitation. The mean transverse momentum of He-3 nuclei is equal to 0.16$\pm$0.03 GeV/c., Comment: 10 pages, 6 figures

Published
2002

7. Determination of the total ccbar production cross section in 340 GeV/c Sigma- - nucleus interactions

Author

WA89 Collaboration and Adamovich, M. I.

Subjects
High Energy Physics - Experiment
Abstract

The production of charmed particles by Sigma- of 340 Gev/c momentum was studied in the hyperon beam experiment WA89 at the CERN-SPS, using the Omega-spectrometer. In two data-taking periods in 1993 and 1994 an integrated luminosity of 1600 microb^-1 on copper and carbon targets was recorded. From the reconstruction of 930 +- 90 charm particle decays in 10 decay channels production cross sections for D, antiD, Ds and Lambdac were determined in the region xF>0. Assuming an A^1 dependence of the cross section on the nucleon number, we calculate a total ccbar production cross section of sigma(x_F > 0) = 5.3+- 0.4(stat)+-1.0(syst)+1.0(Xi_c) microb per nucleon. The last term is an upper limit on the unknown contribution from charmed-strange baryon production., Comment: 9 pages, 6 figures, submitted to EPJ

Published
1999
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8. First observation of the Xi- pi+ decay mode of the Xi0(1690) hyperon

Author

WA89 Collaboration and Adamovich, M. I.

Subjects
High Energy Physics - Experiment
Abstract

We report the first observation of the Xi- pi+ decay mode of the Xi0(1690), confirming the existence of this resonance. The Xi0(1690) were produced by Sigma- of 345 Gev/c mean momentum in copper and carbon targets. The mass and width are close to those observed earlier for the Xi-(1690) in the Lambda K- decay channel. The product of inclusive production cross section and branching ratio is given relative to that of the Xi0(1530)., Comment: 6 pages, Latex, 1 eps figure

Published
1997
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9. Xi^- Production by Sigma^-, pi^- and Neutrons in the Hyperon Beam Experiment at CERN

Author

The WA89 Collaboration and Adamovich, M. I.

Subjects
High Energy Physics - Experiment
Abstract

Inclusive cross sections for Xi^- hyperon production in high-energy Sigma^-, pi^- and neutron induced interactions were measured by the experiment WA89 at CERN. Secondary Sigma^- and pi^- beams with average momenta of 345 GeV/c and a neutron beam of average momentum 65 GeV/c were produced by primary protons of 450 GeV/c from the CERN SPS. Both single and double differential cross sections are presented as a function of the transverse momentum and the Feynman variable x_F. A strong leading effect for Xi^- produced by Sigma^- is observed. The influence of the target mass on the Xi^- cross section is explored by comparing reactions on copper and carbon nuclei., Comment: Corrected Report numbers and author list ; 24 pages, 6 tables, 8 Postscript figures, includes rotating.sty

Published
1997

10. Measurement of the polarization of Lambda0 AntiLambda0, Sigma+ and Xi- produced in a Sigma- beam of 330 GeV/c

Author

Adamovich, M. I.

Subjects
High Energy Physics - Experiment
Abstract

The polarization of Lambda0, AntiLambda0, Sigma+ and Xi- inclusively produced in Sigma- induced interactions at 330 GeV has been measured in the experiment WA89 at CERN. This is the first measurement of polarization of baryons produced by a hyperon beam. No polarization of AntiLambda is observed, as was also the case in proton beam data. At transverse momenta of about 1 GeV/c Lambda0 and Sigma+ show little polarization, significantly lower than in the proton beam data, while Xi- have a polarization comparable to the polarization of Lambda0 produced in proton beams., Comment: (12 p.) uuencoded gzipped PostScript, report# CERN PPE/94-86

Published
1994
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13. Flow effects in high-energy nucleus collisions with Ag(Br) in emulsion

Author

Adamovich, M. I., Andreeva, N. P., Basova, E. S., Bradnová, V., Bubnov, V. I., Chernyavsky, M. M., Gaitinov, A. S., Gulamov, K. G., Haiduc, M., Hasegan, D., Just, L., Kanygina, E. K., Kharlamov, S. P., Kovalenko, A. D., Krasnov, S. A., Kravcčáková, A., Larionova, V. G., Lebedev, I. A., Levitskaya, O. V., Lukicheva, N. S., Musaeva, A. K., Nasyrov, S. Z., Navotny, V. S., Orlova, G. I., Peresadko, N. G., Philippova, L. N., Plyushchev, V. A., Rusakova, V. V., Saidkhanov, N., Salmanova, N. A., Seitimbetov, A. M., Tretyakova, M. I., Trofimova, T. P., Vokál, S., Vrláková, J., Zarubin, P. I., and Zhokhova, S. I.

Published
2004
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14. Factorial Moments of 28Si Induced Interactions with Ag(Br) Nuclei

Author

Adamovich, M. I., Aggarwal, M. M., Andreeva, N.P., Badyal, S.K., Bakich, A.M., Basova, E.S., Bhalla, K.B., Bhasin, A., Bhatia, V.S., Bradnova, V., Bubnov, V.I., Cai, X., Chen, G.M., El Chenawi, K., Chernyavsky, M.M., Dhamija, S., Felea, D., Gaitinov, A.S., Ganssauge, E.R., Garpman, S., Gerassimov, S.G., Gheata, A., Gheata, M., Gulamov, K.G., Gupta, S.K., Gupta, V.K., Haiduc, M., Hasegan, D., Jakobsson, B., Just, L., Kanygina, E.K., Kharlamov, S.P., Kim, I.C., Kovalenko, A.D., Krasnov, S.A., Kravčáková, A., Kumar, V., Larionova, V.G., Lepekhin, F.G., Lebedev, I.A., Lee, C.G., Lee, Y.L., Levitskaya, O.V., Li, Y.X., Liu, H., Liu, L.S., Liu, Z.G., Lokanatan, S., Lord, J.J., Lu, Y., Lukicheva, N.S., Luo, S.B., Mangotra, L.K., Manhas, I., Mittra, I.S., Musaeva, A.K., Nasyrov, S.Z., Navotny, V.S., Nystrand, J., Orlova, G.I., Otterlund, I., Peak, L.S., Peresadko, N.G., Philippova, L.N., Plyushchev, V.A., Qian, W.Y., Qin, Y.M., Raniwala, R., Rao, N.K., Rhee, J.-T., Rusakova, V.V., Saidkhanov, N., Salmanova, N.A., Seitimbetov, A.M., Sethi, R., Simonov, B.B., Singh, B., Skelding, D., Söderström, K., Stenlund, E, Tawfik, A.M., Tretyakova, M.I., Trofimova, T.P., Vashisht, V., Vokál,, S., Vrláková, J., Wang, H.Q., Wang, H.S., Wang, X.R., Wang, J.G., Weng, Z.Q., Wilkes, R.J., Yang, C.B., Yang, H.Y., Yin, Z.B., Yu, L.Z., Yung, S.Y., Zarubin, P.I., Zgura, S., Zhang, D.H., Zheng, P.Y., Zhokhova, S.I., Zhou, D.C., and Zhou, D.M.

Published
2001
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15. Multiplicities in84Kr interactions in emulsion at 800–950 MeV/nucleon

Author

Krasnov, S. A., Maksimkina, T. N., Musulmanbekov, G. J., Schussler, F., Dirner, A., Just, L., Karabová, M., Pavuková, A., Tóthová, M., Vokál, S., Vrláková, J., Jakobsson, B., Soderstrom, K., Adamovich, M. I., Chernyavsky, M. M., Kharlamov, S. P., Larionova, V. G., Orlova, G. I., Peresadko, N. G., Salmanova, N. A., Tretyakova, M. I., Basova, E. S., Nasyrov, S. Z., Petrov, N. V., Trofimova, T. P., Tuleeva, U. I., Tursunov, B. P., Yuldashev, B. S., Gulamov, K. G., Navotny, V. S., Ohja, I. D., Singh, B. K., Singh, V., and Tuli, S. K.

Published
1996
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16. 28Si(32S) fragmentation at 3.7 A, 14.6 A and 200 A GeV

Author

Adamovich, M. I., Aggarwal, M. M., Alexandrov, Y. A., Amirikas, R., Andreeva, N. P., Anzon, Z. V., Arora, R., Avetyan, F. A., Badayal, S. K., Bakich, A. M., Basova, E. S., Bazarov, I. K., Bhalla, K. B., Bhasin, A., Bhatia, V. S., Bogdanov, V. G., Bradnova, V., Bubnov, V. I., Burnett, T. H., Cai, X., Carshiev, D. A., Chasnikov, I. Y., Chernova, L. P., Chernyavski, M. M., Dhamia, S., Eligbaeva, G. Z., Eremenko, L. E., Gaitinov, A. S., Ganssauge, E. R., Garpman, S., Gerassimov, S. G., Graf, C., Grote, J., Gulamov, K. G., Gupta, S. K., Gupta, V. K., Jakobsson, B., Just, L., Kachroo, S., Kalyachkina, G. S., Kanygina, E. K., Karabova, M., Kitroo, S., Kharlamov, S. P., Kovalenko, A. D., Karsnov, S. A., Kumar, V., Larionova, V. G., Li, Y. D., Liu, L. S., Lokanathan, S., Lord, J. J., Lukicheva, N. S., Luo, S. B., Mangotra, L. K., Marutyan, N. A., Mashkov, A. Y., Maslennikova, N. V., Mittra, I. S., Mokerjee, S., Nasyrov, S. Z., Navotny, V. S., Nystrand, J., Ochs, M., Orlova, G. I., Otterlund, I., Peak, L. S., Peresadko, N. G., Petrov, N. V., Plyushchev, V. A., Qian, W. Y., Qin, Y. M., Raniwala, R., Raniwala, S., Rao, N. K., Roeper, M., Rusakova, V. V., Saidkhanov, N., Salmanova, N. A., Sarkisova, L. G., Sarkisyan, V. R., Seitimbetov, A. M., Shabratova, G. S., Shakhova, C. I., Shpilev, S. N., Skelding, D., Söderström, K., Solovieva, Z. I., Stenlund, E., Svechnikova, L. N., Tothova, M., Tretyakova, M. I., Trofimova, T. P., Tuleeva, U. I., Tursunov, B. P., Vokal, S., Vrlakova, J., Wang, H. Q., Weng, Z. Q., Wilkes, R. J., Xia, Y. L., Yang, C. B., Zhang, D. H., Zheng, P. Y., Zhokhova, S. I., Zhou, D. C., and The EMUOl-Collaboration

Published
1995
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17. On the production of slow particles in high energy heavy ion collisions

Author

Adamovich, M. J., Aggarwal, M. M., Alexandrov, Y. A., Amirikas, R., Andreeva, N. P., Anzon, Z. V., Arora, R., Avetyan, F. A., Badyal, S. K., Bakich, A. M., Basova, E. S., Bazarov, I. K., Bhalla, K. B., Bhasin, A., Bhatia, V. S., Bogdanov, V. G., Bradnova, V., Bubnov, V. I., Burnett, T. H., Cai, X., Carshiev, D. A., Chasnikov, I. Y., Chernova, L. P., Chernyavski, M. M., Dhamija, S., Eligbaeva, G. Z., Fremenko, L. E., Gaitinov, A. S., Ganssauge, E. R., Garpman, S., Gerassimov, S. G., Graf, C., Grote, J., Gulamov, K. G., Gupta, S. K., Gupta, V. K., Jakobsson, B., Just, L., Kachroo, S., Kalyachkina, G. S., Kanygina, E. K., Karabova, M., Kitroo, S., Kharlamov, S. P., Kovalenko, A. D., Krasnov, S. A., Kumar, V., Larionova, V. G., Li, Y. D., Liu, L. S., Lokanathan, S., Lord, J. J., Lukicheva, N. S., Luo, S. B., Mangotra, L. K., Marutyan, N. A., Mashkov, A. Y., Maslennikova, N. V., Mittra, I. S., Mokerjee, S., Nasyrov, S. Z., Navotny, V. S., Nystrand, J., Ochs, M., Orlova, G. I., Otterlund, I., Peak, L. S., Peresadko, N. G., Petrov, N. V., Plyushchev, V. A., Qian, W. Y., Qin, Y. M., Raniwala, R., Raniwala, S., Rao, N. K., Roeper, M., Rusakova, V. V., Saidkhanov, N., Salmanova, N. A., Sarkisova, L. G., Sarkisyan, V. R., Seitimbetov, A. M., Shabratova, G. S., Shakhova, C. I., Shpilev, S. N., Skelding, D., Söderström, K., Solovieva, Z. I., Stenlund, E., Svechnikova, L. N., Tothova, M., Tretyakova, M. I., Trofimova, T. P., Tuleeva, U. I., Tursunov, B. P., Vokal, S., Vrlakova, J., Wang, H. Q., Weng, Z. Q., Wilkes, R. J., Xia, Y. L., Yang, C. B., Zhang, D. H., Zheng, P. Y., Zhokhova, S. I., Zhou, D. C., and EMU01-Collaboration

Published
1995
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18. Results on charmed meson decay from the WA82 experiment at the CERN omega spectrometer

Author

Adamovich, M., Alexandrov, Y., Antinori, F., Barberis, D., Beusch, W., Buys, A., Casanova, V., Dameri, M., Davenport, M., Dufey, J. P., Forino, A., French, B. R., Gessaroli, R., Grard, F., Harrison, K., Hurst, R., Jacholkowski, A., Kirk, A., Lamanna, E., Lassalle, J. C., Legros, P., Mazzanti, P., Muller, F., Netchaeva, P., Osculati, B., Quareni, A., Radaelli, N., Roda, C., Rossi, L., Tomasini, G., Weymann, M., Zavertyaev, M., and The WA82 Collaboration

Published
1994
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19. Local particle densities and global multiplicities in central heavy ion interactions at 3.7, 14.6, 60 and 200A GeV

Author

Adamovich, M. I., Aggarwal, M. M., Alexandrov, Y. A., Andreeva, N. P., Anson, Z. V., Arora, R., Avetyan, F. A., Badyal, S. K., Basova, E., Bhalla, K. B., Bhasin, A., Bhatia, V. S., Bogdanov, V. G., Bubnov, V. I., Burnett, T. H., Cai, X., Chasnikov, I. Y., Chernova, L. P., Chernyavsky, M. M., Eligbaeva, G. Z., Eremenko, L. E., Gaitinov, A. S., Ganssauge, E. R., Garpman, S., Gerassimov, S. G., Grote, J., Gulamov, K. G., Gupta, S. K., Gupta, V. K., Heckman, H. H., Huang, H., Jakobsson, B., Judek, B., Just, L., Kachroo, S., Kalyachkina, G. S., Kanygina, E. K., Karabova, M., Kaul, G. L., Kitroo, S., Kharlamov, S. P., Krasnov, S. A., Kulikova, S., Kumar, V., Lal, P., Larionova, V. G., Lepetan, V. N., Liu, L. S., Lokanathan, S., Lord, J., Lukicheva, N. S., Luo, S. B., Maksimkina, T. N., Mangotra, L. K., Marutyan, N. A., Maslennikova, N. V., Mittra, I. S., Mookerjee, S., Nasrulaeva, H., Nasyrov, S. H., Navotny, V. S., Nystrand, J., Orlova, G. I., Otterlund, I., Palsania, H. S., Peresadko, N. G., Petrov, N. V., Plyushchev, V. A., Qarshiev, D. A., Qian, W. Y., Qin, Y. M., Raniwala, R., Raniwala, S., Rao, N. K., Rappoport, V. M., Rhee, J. T., Saidkhanov, N., Salmanova, N. A., Sarkisova, L. G., Sarkisyan, V. R., Shabratova, G. S., Shakhova, T. I., Shpilev, S. N., Skelding, D., Söderström, K., Solovjeva, Z. I., Stenlund, E., Surin, E. L., Svechnikova, L. N., Tolstov, K. D., Tothova, M., Tretyakova, M. I., Trofimova, T. P., Tuleeva, U., Vokal, S., Wang, H. Q., Weng, Z. Q., Wilkes, R. J., Xia, Y. L., Xu, G. F., Zhang, D. H., Zheng, P. Y., Zhochova, S. I., Zhou, D. C., and EMU01-Collaboration

Published
1992
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20. A systematic study of the energy independent behaviour of the fragmentation regions in16O-Em interactions from 3.7 to 200A GeV

Author

Adamovich, M. I., Aggarwal, M. M., Alexandrov, Y. A., Andreeva, N. P., Anson, Z. V., Arora, R., Avetyan, F. A., Badyal, S. K., Basova, E., Bhalla, K. B., Bhasin, A., Bhatia, V. S., Bogdanov, V. G., Bubnov, V. I., Burnett, T. H., Cai, X., Chasnikov, I. Y., Chernova, L. P., Chernyavski, M. M., Eligbaeva, G. Z., Eremenko, L. E., Gaitinov, A. S., Ganssauge, E. R., Garpman, S., Gerassimov, S. G., Grote, J., Gulamov, K. G., Gupta, S. K., Heckman, H. H., Jakobsson, B., Judek, B., Kachroo, S., Kadyrov, F. G., Kalyachkina, G. S., Kanygina, E. K., Karabova, M., Kaul, G. L., Kharlamov, S. P., Koss, T., Krasnov, S. A., Kumar, V., Lal, P., Larionova, V. G., Lepetan, V. N., Liu, L. S., Liu, Y. Z., Lokanathan, S., Lord, J., Lukicheva, N. S., Luo, S. B., Mangotra, L. K., Marutyan, N. A., Maslennikova, N. V., Mittra, I. S., Mookerjee, S., Nasrulaeva, H., Nasyrov, S. H., Navotny, V. S., Orlova, G. I., Otterlund, I., Palsania, H. S., Peresadko, N. G., Petrov, N. V., Plyushchev, V. A., Qian, W. Y., Raniwala, R., Raniwala, S., Rao, N. K., Rappoport, V. M., Ravina, J., Rhee, J. T., Saidkhanov, N., Salmanova, N. A., Sarkisova, L. G., Sarkisyan, V. R., Shabratova, G. S., Shakhova, T. I., Skelding, D., Söderström, K., Solovjeva, Z. I., Stenlund, E., Strausz, S. C., Svechnikova, L. N., Tolstov, K. D., Tretyakova, M. I., Trofimova, T. P., Tuleeva, U., Vokal, S., Wang, H. O., Weng, Z. O., Wilkes, R. J., Xu, G. F., Zhang, D. H., Zheng, P. Y., Zhochova, S. I., Zhou, D. C., and EMU01-Collaboration

Published
1992
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21. Energy, target, projectile and multiplicity dependences of intermittency behaviour in high energy O(Si, S) induced interactions

Author

Adamovich, M. I., Aggarwal, M. M., Alexandrov, Y. A., Ameeva, Z. U., Andreeva, N. P., Anzon, Z. V., Arora, R., Badyal, S. K., Bhalla, K. B., Bhasin, A., Bhatia, V. S., Bubnov, V. I., Burnett, T. H., Cai, X., Chasnikov, I. Y., Chernova, L. P., Chernyavski, M. M., Dressel, B., Eligbaeva, G. Z., Eremenko, G. Z., Friedlander, E. M., Gadzhieva, S. I., Gaitinov, A. S., Ganssauge, E. R., Garpman, S., Gerassimov, S. G., Grote, J., Gulamov, K. G., Gupta, S. K., Gupta, V., Heckman, H. H., Huang, H., Jakobsson, B., Judek, B., Kachroo, S., Kadyrov, F. G., Kalyachkina, G. S., Kanygina, E. K., Kaul, G. L., Kaur, M., Kharlamov, S. P., Koss, T., Kumar, V., Lal, P., Larionova, V. G., Lindstrom, P. J., Liu, L. S., Lokanathan, S., Lord, J., Lukicheva, N. S., Luo, S. B., Mangotra, L. K., Maslennikova, N. V., Mitrra, I. S., Mookerjee, S., Mueller, C., Nasyrov, S. H., Navotny, V. S., Orlova, G. I., Otterlund, I., Palsania, H. S., Peresadko, N. G., Persson, S., Petrov, N. V., Qian, W. Y., Raniwala, R., Raniwala, S., Rao, N. K., Rhee, J. T., Salmanova, N. A., Shultz, W., Skakhova, C. I., Singh, B., Skelding, D., Söderström, K., Stenlund, E., Strausz, S. C., Sun, J. F., Svechnikova, L. N., Tretyakova, M. I., Wang, H. Q., Weng, Z. O., Wilkes, R. J., Xu, G. F., Zhang, D. H., Zheng, P. Y., Zhou, D. C., Zhou, J. C., and EMU01 Collaboration

Published
1991
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23. Nuclear interactions of 4.5 GeV/c protons in emulsion and the cascade-evaporation model

Author

Bubnov, V. I., Gaitinov, A. Sh., Eremenko, L. E., Kusambaev, B., Chasnikov, I. Ya., Marku, M., Marin, A., Khaiduk, M., Bannik, B. P., Ivanov, V. V., Kostenko, B. F., Leskin, V. A., Tolstov, K. D., Shumbera, M., Vokal, S., Akhmadalieva, L., Keloglu, Yu. P., Karabova, M., Karaba, Ya., Novicki, V., Sileŝ, E., Totova, M., Bogdanov, V. G., Perfilov, N. A., Plyushev, V. A., Solovieva, Z. I., Antonchik, V. A., Bakaev, V. A., Bogdanov, S. D., Ostroumov, V. I., Adamovich, M. I., Larionova, V. G., Kharlamov, S. P., Basova, E. S., Bondarenko, R. A., Gulyamov, U. G., Ibatov, R. M., Muminov, M. M., Rakhimbaev, B. G., Chernov, G. M., Azimov, S. A., Gulamov, K. G., Dalkhazhav, N., Togoo, R., and Chadraa, B.

Published
1981
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25. Photoproduction of charmed particles in nuclear emulsion coupled to the Omega Prime spectrometer. Description of the experimental method

Author

Forino, A., Gessaroli, R., Quareni-Vignudelli, A., Viaggi, F., Higon, E., Tentindo, S., Vanderhaeghe, G., Cartacci, A. M., Conti, A., Dagliana, M. G., di Caporiacco, G., Marchionni, A., Monteleoni-Conforto, B., Parrini, G., Dameri, M., Osculati, B., Sannino, M., Tomasini, G., Llosa, R., Adamovich, M. I., Alexandrov, Y. A., Chernyavsky, M. M., Gerassimov, S. G., Kharlamov, S. P., Larionova, V. G., Manjeley, N. G., Orlova, G. I., Romanovskaya, K. M., Salmanova, N. A., Tretyakova, M. I., Lory, J., Schune, D., Chu, Tsai, Willot, B., Diambrini-Palazzi, G., Bravo, L. M., Niembro, R., Ruiz, A., Villar, E., Bolta, J. M., Castillo, V., Martinez, J., and Sanchis, M. A.

Published
1985
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26. Associated photoproduction of a charmed meson and a charmed baryon

Author

Fiorino, A., Gessaroli, R., Quareni-Vignudelli, A., Vanderhaeghe, G., Cartacci, A. M., Conforto, B., Conti, A., Dagliana, M. G., Di Caporiacco, G., Parrini, G., Dameri, M., Diambrini-Palazzi, G., Osculati, B., Persano, C., Sannino, M., Tomasini, G., Llosa, R., Adamovich, M. I., Alexandrov, T. A., Chernyavski, M. M., Kharlamov, S. P., Larinova, V. G., Orlova, G. I., Peresadko, N. G., Romanovskaya, K. M., Tretyakova, M. I., Lory, J., Meton, C., Schune, D., Chu, Tsai, Willot, B., Bravo, L., Ruiz, A., Villar, E., Bolta, J. M., Higon, E., Heinloth, K., Scillösser, A., Dufey, J. P., Lafferty, G. D., Lassalle, J. C., Bussey, P. J., Patrick, G. N., Raine, C., Brodbeck, T., Newton, D., Storr, K. M., Ellison, R. J., Hughes-Jones, R. E., Ibbotson, M., Lane, J. B., Mercer, D., Waite, A. P., Atkinson, M., Davenport, M., Hutton, J. S., Kumar, B. R., Morris, J. V., Brookes, G. R., Galbraith, W., McClatchey, R., Photon-Emulsion Collaboration, and Omega-Photon Collaboration

Published
1981
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27. Inelastic interactions of protons with photoemulsion nuclei at 4·5 GeV/c

Author

Bannik, B. P., Vokál, S., Leskin, V. A., Tolstov, K. D., Šumbera, M., Bubnov, V. I., Gaitinov, A. S., Eremenko, L. E., Kusambaev, B., Chasnikov, I. J., Marku, M., Marin, A., Haiduc, M., Achmadalieva, L., Karabová, M., Karaba, J., Novický, V., Síleš, E., Tóthová, M., Bogdanov, V. G., Perfilov, N. A., Plyushchev, V. A., Solovjeva, Z. I., Adamovich, M. I., Larionova, V. G., Kharlamov, S. P., Lebedev, P. N., Basova, E. S., Bondarenko, N. A., Guljamov, U. G., Ibatov, R. M., Muminov, M. M., Rachimbajev, B. G., Chernov, G. M., Bondarenko, A. I., Gulamov, K. G., Dalkhazhav, N., Togo, R., Chadra, B., Antonchik, V. A., Bakaev, V. A., Bogdanov, S. D., and Ostroumov, V. I.

Published
1981
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28. Interaction mean free path in nuclear emulsion of fragments of22Ne nuclei with momentum 4.1 AGeV/c and the problem of anomalons

Author

Bannik, B. P., Batusov, Y. A., Bokova, L. N., Kuznetsov, O. M., Lyukov, V. V., Piskaleva, O. V., Shabratova, G. S., Tolstov, K. D., Tretyak, V. I., Vokalova, A., Andreeva, N. P., Anzon, Z. V., Bubnov, V. I., Chasnikov, I. J., Eremenko, L. E., Gaitinov, A. S., Kalyachkina, G. S., Kanygina, E. K., Haiduk, M., Hashegan, D., Gitsok, M., Marin, A., Rosu, H., Bobodjanov, I., Leskin, V. A., Muhtorov, A., Khoshmukhamedov, R. A., Juranova, M. S., Salomov, Dj. A., Avetian, F. A., Krishchan, V. M., Marutian, N. A., Matevosian, K. A., Sarkisova, L. G., Lepekhin, F. G., Simonov, B. B., Dimitrov, A. N., Karaba, J., Karabova, M., Siles, E., Totova, M., Yust, L., Holynski, R., Olszewski, A., Wilczynska, B., Wolter, W., Wosiek, B., Antonchik, V. A., Bakaev, V. A., Belousov, A. V., Bogdanov, S. D., Ostroumov, V. I., Bogdanov, V. G., Plyushchev, V. A., Solovieva, S. I., Adamovich, M. I., Harlamov, S. P., Larioniva, V. G., Orlova, G. I., Salmanova, N. A., and Tretyakova, M. I.

Published
1985
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29. Observation of a collective flow in22Ne collisions with Ag(Br) emulsion nuclei at 4.1 A GeV/c

Author

Bannik, B. P., El-Naghy, A., Krasnov, S. A., Shabratova, G. S., Tolstov, K. D., Ameeva, B. U., Andreeva, N. P., Anzon, Z. V., Bubnov, V. I., Chasnikov, I. J., Eremenko, L. E., Gaitinov, A. S., Kalyachkina, G. S., Kanygina, E. K., Shachova, T. I., Haiduk, M., Gitsok, M., Topor, V., Lepekhin, F. G., Simonov, B. B., Leskin, V. A., Salomov, D J. A., Avetian, F. A., Kirshchan, V. M., Marutian, N. A., Sarkisian, V. R., Sarkisova, L. G., Karabova, M., Siles, E., Totova, M., Vokal, S., Antonchik, V. A., Bogdanov, S. D., Lihachev, A. J., Ostroumov, V. I., Bogdanov, V. G., Plyushchev, V. A., Solovieva, S. I., Adamovich, M. I., Harlamov, S. P., Cherniavsky, M. M., Larionova, V. G., Maslennikova, N. V., Orlova, G. I., Salmanova, N. A., Tretyakova, M. I., Shumbera, M., Kastanashvili, N. I., Serdamba, L., Togoo, R., and Tuvdendorzh, D.

Published
1988
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30. On the jet-like and ring-like substructure in distributions of produced particles in central heavy-ion collisions at ultra-relativistic energies

Author

Adamovich, M. I., Aggarwal, M. M., Alexandrov, Y. A., Andreeva, N. P., Anzon, Z. V., Arora, R., Avetyan, F. A., Badyal, S. K., Basova, E., Bhalla, K. B., Bhasin, A., Bhatia, V. S., Bogdanov, V. G., Bubnov, V. I., Burnett, T. H., Cai, X., Chasnikov, I. Y., Chernova, L. P., Chernyavsky, M. M., Eligbaeva, G. Z., Eremenko, L. E., Gaitinov, A. S., Ganssauge, E. R., Garpman, S., Gerassimov, S. G., Grote, J., Gulamov, K. G., Gupta, S. K., Gupta, V. K., Heckman, H. H., Huang, H., Jakobsson, B., Judek, B., Just, L., Kachroo, S., Kalyachkina, G. S., Kanygina, E. K., Karabova, M., Kaul, G. L., Kitroo, S., Kharlamov, S. P., Krasnov, S. A., Kulikova, S., Kumar, V., Lal, P., Larionova, V. G., Lepetan, V. N., Liu, L. S., Lokanathan, S., Lord, J., Lukicheva, N. S., Luo, S. B., Maksimkina, T. N., Mangotra, L. K., Marutyan, N. A., Maslennikova, N. V., Mittra, I. S., Mookerjee, S., Nasrulaeva, H., Nasyrov, S. H., Navotny, V. S., Nystrand, J., Orlova, G. I., Otterlund, I., Palsania, H. S., Peresadko, N. G., Petrov, N. V., Plyushchev, V. A., Qarshiev, D. A., Qian, W. Y., Qin, Y. N., Raniwala, R., Raniwala, S., Rao, N. K., Rappoport, V. M., Rhee, J. T., Saidkhanov, N., Salmanova, N. A., Sarkisova, L. G., Sarkisyan, V. R., Shabratova, G. S., Shakhova, T. I., Shpilev, N., Skelding, D., Soderstrom, K., Solovjeva, Z. I., Stenlund, E., Surin, E. L., Svechnikova, L. N., Tolstov, K. D., Tothova, M., Tretyakova, M. I., Trofimova, T. P., Tuleeva, U., Vokal, S., Wang, H. Q., Weng, Z. Q., Richard Jeffrey Wilkes, Xia, Y. L., Xu, G. V., Zhang, D. H., Zheng, P. Y., Zhokhova, S. I., and Zhou, D. C.

Subjects
Nuclear and High Energy Physics, Particle Physics - Experiment
Published
1993
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34. A study of kinematical correlations between charmed particles produced in pi-Cu interactions at root s=26 GeV

Author

Adamovich M, Adinolfi M, Alexandrov Y, Angelini C, Barberis D, Barney D, Batten J, Bruschini C, Cardini A, CERADINI, Filippo, Cianfarani C, Ciapetti G, Dameri M, Darbo G, Duane A, Flaminio V, Forino A, French BR, Frenkel A, Gemme C, Harrison K, Hummadi N, Hurst R, Kirk A, Lazzeroni C, Malferrari L, Martellotti G, Martinengo P, Mazzanti P, McEwen JG, Nechaeva P, Nisati A, Osculati B, Palutan M, Passaseo M, Penso G, Pontecorvo L, Quareni A, Rotscheidt H, Roda C, Rossi L, Veneziano S, Verzocchi M, Websdale D, Zanello L, Zavertyaev M., ORESTANO, DOMIZIA, Adamovich, M, Adinolfi, M, Alexandrov, Y, Angelini, C, Barberis, D, Barney, D, Batten, J, Bruschini, C, Cardini, A, Ceradini, Filippo, Cianfarani, C, Ciapetti, G, Dameri, M, Darbo, G, Duane, A, Flaminio, V, Forino, A, French, Br, Frenkel, A, Gemme, C, Harrison, K, Hummadi, N, Hurst, R, Kirk, A, Lazzeroni, C, Malferrari, L, Martellotti, G, Martinengo, P, Mazzanti, P, Mcewen, Jg, Nechaeva, P, Nisati, A, Orestano, Domizia, Osculati, B, Palutan, M, Passaseo, M, Penso, G, Pontecorvo, L, Quareni, A, Rotscheidt, H, Roda, C, Rossi, L, Veneziano, S, Verzocchi, M, Websdale, D, Zanello, L, and Zavertyaev, M.

Subjects
High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract

A sample of 475 events, in which two charmed-particle decays are observed, is analyzed to determine distributions of two-particle kinematic variables. One charmed particle with x(F) > 0 is fully reconstructed and the other is at least partially recontructed. The distributions of Delta phi and p(T)(2) are compared with a next-to-leading order QCD calculation.

Published
1996

36. STUDY OF CHARM CORRELATIONS IN PI(-)-N INTERACTIONS AT ROOT-S-APPROXIMATE-TO-26 GEV

Author

Adamovich, M, Adinolfi, M, Alexandrov, Y, Angelini, Carlo, Antinori, E, Bacci, C, Barberis, D, Barney, D, Batten, J, Beusch, W, Bruschini, C, Cardarelli, R, Cardini, A, Casanova, V, Ceradini, F, Ciapetti, G, Dameri, M, Darbo, G, Diciaccio, A, Duane, A, Dufey, Jp, Farthouat, P, Flaminio, V, Forino, A, French, Br, Frenkel, A, Gemme, C, Gessaroli, R, Harrison, K, Hurst, R, Jank, W, Kirk, A, Lacava, F, Lassalle, Jc, Lazzeroni, C, Malferrari, L, Maljukov, S, Martellotti, G, Martinengo, P, Mazzanti, P, Mcewen, Jg, Minashvili, I, Nechaeva, P, Nisati, A, Orestano, D, Osculati, B, Passaseo, M, Penso, G, Petrolo, E, Pontecorvo, L, Quareni, A, Ragni, P, Rotscheidt, H, Ryzhov, V, Roda, CHIARA MARIA ANGELA, Rossi, L, Russakovich, N, Salvo, C, Santonico, R, Schuler, G, Semenov, A, Solovjev, A, Torelli, M, Veneziano, S, Verzocchi, M, Websdale, D, Weymann, M, Zanello, L, Zavertyaev, M., Adamovich, M, Adinolfi, M, Alexandrov, Y, Angelini, C, Antinori, E, Bacci, C, Barberis, D, Barney, D, Batten, J, Beusch, W, Bruschini, C, Cardarelli, R, Cardini, A, Casanova, V, Ceradini, Filippo, Ciapetti, G, Dameri, M, Darbo, G, Diciaccio, A, Duane, A, Dufey, Jp, Farthouat, P, Flaminio, V, Forino, A, French, Br, Frenkel, A, Gemme, C, Gessaroli, R, Harrison, K, Hurst, R, Jank, W, Kirk, A, Lacava, F, Lassalle, Jc, Lazzeroni, C, Malferrari, L, Maljukov, S, Martellotti, G, Martinengo, P, Mazzanti, P, Mcewen, Jg, Minashvili, I, Nechaeva, P, Nisati, A, Orestano, Domizia, Osculati, B, Passaseo, M, Penso, G, Petrolo, E, Pontecorvo, L, Quareni, A, Ragni, P, Rotscheidt, H, Ryzhov, V, Roda, C, Rossi, L, Russakovich, N, Salvo, C, Santonico, R, Schuler, G, Semenov, A, Solovjev, A, Torelli, M, Veneziano, S, Verzocchi, M, Websdale, D, Weymann, M, Zanello, L, and Zavertyaev, M.

Subjects
High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment
Abstract

We report on the associated production of charmed hadrons in pi(-)-nucleon interactions at root s approximate to 26 GeV at the CERN Omega' spectrometer. Results on the azimuthal correlation of charmed particle pairs are presented and compared to the predictions of Next-to-Leading-Order QCD calculations.

Published
1995

37. Search for the pentaquark candidate Θ(1540)+ in the hyperon beam experiment WA89

Author

Adamovich, M., Alexandrov, Y. u., Baranov, S., Barberis, Dario, Beck, M., Bérat, C., Beusch, W., Boss, M., Brons, S., Brückner, W., Buénerd, M., Busch, C., Büscher, C., Charignon, F., Chauvin, J., Chudakov, E., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S., Godbersen, M., Grafström, P., Haller, T. h., Heidrich, M., Hubbard, E., Hurst, R., Königsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P. h., Masciocchi, S., Michaels, R., Müller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ransome, R., Ren, Z., Rey Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C., Schmitt, L., Siebert, H. W., Simon, A., Smith, V., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T. h., Wälder, G., Werding, R., Wittmann, E., and Zavertyaev, M.

Published
2005

38. A measurement of Xi- polarization in inclusive production by Sigma- of 340-GeV/c in C and Cu targets

Author

Adamovich, M., Alexandrov, Y. u., Baranov, S., Barberis, Dario, Beck, M., Bérat, C., Beusch, W., Boss, M., Brons, S., Brückner, W., Buénerd, M., Busch, C., Büscher, C., Charignon, F., Chauvin, J., Chudakov, E., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S., Godbersen, M., Grafström, P., Haller, T. h., Heidrich, M., Hubbard, E., Hurst, R., Königsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P. h., Masciocchi, S., Michaels, R., Müller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ransome, R., Ren, Z., Rey Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C., Schmitt, L., Siebert, H. W., Simon, A., Smith, V., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T. h., Wälder, G., Werding, R., Wittmann, E., and Zavertyaev, M.

Published
2004

39. Search for the exotic Ξ−−(1860) resonance in 340GeV∕c Σ−-nucleus interactions

Author

Adamovich, M., Alexandrov, Y. u., Baranov, S., Barberis, Dario, Beck, M., Bérat, C., Beusch, W., Boss, M., Brons, S., Brückner, W., Buénerd, M., Busch, C., Büscher, C., Charignon, F., Chauvin, J., Chudakov, E., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S., Godbersen, M., Grafström, P., Haller, T. h., Heidrich, M., Hubbard, E., Hurst, R., Königsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P. h., Masciocchi, S., Michaels, R., Müller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ransome, R., Ren, Z., Rey Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C., Schmitt, L., Siebert, H. W., Simon, A., Smith, V., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T. h., Wälder, G., Werding, R., Wittmann, E., and Zavertyaev, M.

Published
2004

40. Spectra and correlations of Λ and Λ̅ produced in 340-GeV/c Σ-+C and 260-GeV/c n+C interactions

Author

Adamovich, M I, Walcher, C, Wälder,G, Werding, R, Wittmann, E, Zavertyaev, M V, Pochodzalla, J, Potashnikova, I K, Povh, B, Ransome, R, Ren, Z, Epherre-Rey-Campagnolle, Marcelle, Rossi, L, Rudolph, H, Rossner, G, Paul, S, Müller, U, Neeb, H, Newbold, D, Newsom, C, Michaels, R, Masciocchi, S, Keller, N, Martens, K, Martin, P, Hubbard, E, Hurst, R B, Königsmann, K C, Konorov, I, Godbersen, M, Grafström, P, Haller, Th, Heidrich, M, Faller, F, Fournier, A, Gerassimov, S G, Dersch, U, Dropmann, F, Engelfried, J, Büscher, C, Charignon, F, Chauvin, J, Chudakov, E A, Boss, M, Brons, S, Busch, C, Buénerd, M, Brückner, W, Barberis, D, Beck, M, Beusch, W, Bérat, C, Alexandrov, Yu A, and Baranov, S P

Subjects
XX
Published
2002

41. Production of $\Xi^\star$ resonances in $\Sigma^-$ induced reactions at 345 GeV/c

Author

Adamovich, M I., Alexandrov Yu, A., Baranov, S.P., Barberis, D., Beck, M., Berat, C., Beusch, W., Boss, M., Brons, S., Bruckner, W., Buenerd, M., Busch, C., Buscher, C., Charignon, F., Chauvin, J., Chudakov, E A., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S G., Godbersen, M., Grafstroem, P., Haller, T., Heidrich, M., Hubbard, E., Hurst, R B., Konigsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P., Masciocchi, S., Michaels, R., Muller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ransome, R D., Ren, Zhuoxiang, Rey-Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C., Schmitt, L., Siebert, H W., Simon, A., Smith, V., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T., Walder, G., Werding, R., Wittmann, E., Zavertyaev, M V., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), and WA89

Subjects
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
Published
1999

42. A measurement of the form-factor ratios in the decay D+->(K)over-bar(*0)mu(+)nu(mu)

Author

Adamovich, M., Alexandrov, Y., Angelini, C., Barberis, D., Ceradini, F., Cianfarani, C., Dameri, M., Darbo, G., Duane, A., Flaminio, V., Forino, A., French, B. R., Frenkel, A., Gemme, C., Harrison, K., Hummadi, N., Hurst, R., Kirk, A., Lazzeroni, C., Malferrari, L., Martellotti, G., Martinengo, P., Mazzanti, P., Mcewen, J. G., Nechaeva, P., Osculati, B., Passaseo, M., Penso, Gianni, Quareni, A., Rossi, L., Verzocchi, M., Websdale, D., and Zavertyaev, M.

Published
1999

43. Charge asymmetries for $D, D_{s}$ and $\Lambda_{c}$ production in $\Sigma^{-}$ - nucleus interactions at 340 GeV/c

Author

Adamovich, M I., Alexandrov Yu, A., Barberis, D., Beck, M., Berat, C., Beusch, W., Boss, M., Brons, S., Brueckner, W., Buenerd, M., Busch, C., Buescher, C., Charignon, F., Chauvin, J., Chudakov, E A., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S G., Godbersen, M., Grafstroem, P., Haller, T., Heidrich, M., Hubbard, E., Hurst, R B., Koenigsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P., Masciocchi, S., Michaels, R., Mueller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ren, Zhuoxiang, Rey-Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C V., Schmitt, L., Siebert, H W., Simon, A., Smith, V J., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T., Waelder, G., Werding, R., Wittmann, E., Zavertyaev, M V., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), and WA89

Subjects
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
Published
1999

44. A measurement of the form-factor ratios in the decay $D^+ \to \overline{K}^{*0}\mu^+\nu_\mu$

Author

Adamovich, M I, Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Cianfarani, C, Dameri, M, Darbo, G, Duane, A, Flaminio, Vincenzo, Forino, A, French, Bernard R, Frenkel, A, Gemme, C, Harrison, K, Hummadi, N, Kirk, A, Lazzeroni, C, Malferrari, L, Martellotti, G, Martinengo, P, Mazzanti, P, McEwen, J G, Nechaeva, P Yu, Osculati, B, Passaseo, M, Penso, G, Quareni, A, Rossi, L, Verzocchi, M, Websdale, David M, and Zavertyaev, M V

Subjects
Particle Physics - Experiment
Abstract

The form-factor ratios in the decay ${\bf {\rm D^+ \rightarrow \bar K^{*0}\mu^+\nu_\mu}}$ have been measured using a sample of 763 events produced in the WA92 fixed-target experiment. \\ The value s obtained are $\rm{R_V = 1.45 \pm 0.23 \pm 0.07, R_2 = 1.00 \pm 0.15 \pm 0.03}$ and the corresponding ratio of longitudinal to transverse polarisation is $\rm{\Gamma_L/\Gamma_T = 1.09 \pm 0.10 \p m 0.02}$.

Published
1998

45. Measurement of the beauty production cross-section in 350 GeV/c pi-Cu interaction

Author

Adamovich, M. I., Adinolfi, M, ALEXANDROV YU, A, Angelini, C, Antinori, Federico, Bacci, Cesare, Barberis, Dario, Barney, D, Batten, J, Beusch, Werner, Bruschini, C, Cardarelli, R, Cardini, A, Casanova, V, Ceradini, F, Cianfarani, C, Ciapetti, G, Dameri, M, Darbo, G, DE SANTO, A, DI CIACCIO ANNA, Duane, A, Dufey, J. P., Farthouat, Philippe, Flaminio, Vincenzo, Forino, A, FRENCH BERNARD, R, Frenkel, A, Gemme, C, Gessaroli, R, Harrison, K, Hummadi, N, Hurst, R. B., Kirk, A, Lacava, F, Lassalle, J. C., Lazzeroni, C, Malferrari, L, Maljukov, S, Martellotti, G, Martinengo, P, Mazzanti, P, Mcewen, J. G., Minashvili, I. A., Musico, P, NECHAEVA P., Yu, Nisati, A, Orestano, D, Osculati, BIANCA MARIA, Palutan, M, Passaseo, M, Penso, G, Petrolo, E, Pontecorvo, L, Quareni, A, Rotscheidt, Herbert, Ryzhov, V, Roda, C, Rossi, L, Rusakovitch, N. A., Salvo, C, Santonico, R, Schuler, G. A., Semenov, A. A., Soloviev, A. S., Torelli, M, Veneziano, Stefano, Verzocchi, M, WEBSDALE DAVID, M, Weymann, M, Zanello, L, and Zavertyaev, M. V.

Published
1998

46. First observation of the $\Xi^{-} \pi^{+}$ decay mode of the $\Xi^{0}(1690)$ hyperon

Author

Adamovich, M I., Alexandrov Yu, A., Barberis, D., Beck, M., Berat, C., Beusch, W., Boss, M., Brons, S., Brueckner, W., Buenerd, M., Busch, C., Buescher, C., Charignon, F., Chauvin, J., Chudakov, E A., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S G., Godbersen, M., Grafstroem, P., Haller, T., Heidrich, M., Hubbard, E., Hurst, R B., Koenigsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P., Masciocchi, S., Michaels, R., Mueller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ren, Zhuoxiang, Rey-Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C V., Schmitt, L., Siebert, H W., Simon, A., Smith, V J., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T., Waelder, G., Werding, R., Wittmann, E., Zavertyaev, M V., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), and WA89

Subjects
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

We report the first observation of the Xi- pi+ decay mode of the Xi0(1690), confirming the existence of this resonance. The Xi0(1690) were produced by Sigma- of 345 Gev/c mean momentum in copper and carbon targets. The mass and width are close to those observed earlier for the Xi-(1690) in the Lambda K- decay channel. The product of inclusive production cross section and branching ratio is given relative to that of the Xi0(1530). We report the first observation of the Xi- pi+ decay mode of the Xi0(1690), confirming the existence of this resonance. The Xi0(1690) were produced by Sigma- of 345 Gev/c mean momentum in copper and carbon targets. The mass and width are close to those observed earlier for the Xi-(1690) in the Lambda K- decay channel. The product of inclusive production cross section and branching ratio is given relative to that of the Xi0(1530).

Published
1998

47. Search for the flavor changing neutral current decay D0 -> mu+ mu

Author

Adamovich, M., Alexandrov, Y., Angelini, C., Barberis, D., Ceradini, F., Cianfarani, C., Cirilli, M., Dameri, M., Darbo, G., Duane, A., Flaminio, V., Forino, A., French, B. R., Frenkel, A., Gemme, C., Harrison, K., Hurst, R., Kirk, A., Lazzeroni, C., Malferrari, L., Martellotti, G., Martinengo, P., Mazzanti, P., Mcewen, J. G., Nechaeva, P., Orestano, D., Osculati, B., Penso, Gianni, Pontecorvo, L., Quareni, A., Rossi, L., Veneziano, S., Verzocchi, M., Websdale, D., Zanello, L., and Zavertyaev, M.

Published
1997

48. A study of kinematical correlations between charmed particles produced in $\pi$-Cu interactions at $\sqrt{s} = 26 GeV$

Author

Adamovich, M I, Adinolfi, M, Alexandrov, Yu A, Angelini, C, Barberis, D, Barney, D, Batten, J, Bruschini, C, Cardini, A, Ceradini, F, Cianfarani, C, Ciapetti, G, Dameri, M, Darbo, G, Duane, A, Flaminio, Vincenzo, Forino, A, French, Bernard R, Frenkel, A, Gemme, C, Harrison, K, Hummadi, N, Hurst, R B, Kirk, A, Lazzeroni, C, Malferrari, L, Martellotti, G, Martinengo, P, Mazzanti, P, McEwen, J G, Nechaeva, P Yu, Nisati, A, Orestano, D, Osculati, B, Palutan, M, Passaseo, M, Penso, G, Pontecorvo, L, Quareni, A, Rotscheidt, Herbert, Roda, C, Rossi, L, Veneziano, Stefano, Verzocchi, M, Websdale, David M, Zanello, L, and Zavertyaev, M V

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

A sample of 475 events, in which two charmed-particle decays are observed, is analyzed to determine distributions of two-particle kinematic variables. One charmed particle with $x_F > 0$ is fully reconstructed and the other is at least partially recontructed. The distributions of $\Delta\phi$ and $p_T^2$ are compared with a next-to-leading order QCD calculation.

Published
1996

49. Measurement of the $\Omega_{c}^{0}$ lifetime

Author

Adamovich, M I., Albertson, E., Alexandrov, Yu., Barberis, D., Beck, M., Berat, C., Beusch, W., Boss, M., Brons, S., Brueckner, W., Buenerd, M., Buescher, C., Charignon, F., Chauvin, J., Chudakov, E., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S G., Godbersen, M., Grafstroem, P., Haller, Th., Heidrich, M., Hurst, R B., Koenigsmann, K., Konorov, I., Martens, K., Martin, P., Masciocchi, S., Michaels, R., Mueller, U., Newsom, C., Paul, S., Povh, B., Ren, Zhuoxiang, Rey-Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Schmitt, L., Siebert, H W., Simon, A., Smith, V J., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T., Waelder, G., Werding, R., Wittmann, E., Zavertyaev, M V., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), and WA89

Subjects
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract

We present the measurement of the lifetime of the Omega_c we have performed using three independent data samples from two different decay modes. Using a Sigma- beam of 340 GeV/c we have obtained clean signals for the Omega_c decaying into Xi- K- pi+ pi+ and Omega- pi+ pi- pi+, avoiding topological cuts normally used in charm analysis. The short but measurable lifetime of the Omega_c is demonstrated by a clear enhancement of the signals at short but finite decay lengths. Using a continuous maximum likelihood method we determined the lifetime to be tau(Omega_c) = 55 +13-11(stat) +18-23(syst) fs. This makes the Omega_c the shortest living weakly decaying particle observed so far. The short value of the lifetime confirms the predicted pattern of the charmed baryon lifetimes and demonstrates that the strong interaction plays a vital role in the lifetimes of charmed hadrons. We present the measurement of the lifetime of the Ω c 0 we have performed using three independent data samples from two different decay modes. Using a Σ − beam of 340 GeV c we have obtained clean signals for the Ω c 0 decaying i Ξ − K − π + π + and Ω − π + π − π + , avoiding topological cuts normally used in charm analysis. The short but measurable lifetime of the Ω c 0 is demonstrated by a clear enhancement of the signals at short but finite decay lengths. Using a continuous maximum likelihood method we determined the lifetime to be τ ω c 0 = 55 −11 +13 (stat) −23 +18 (syst) fs. This makes the Ω c 0 the shortest living weakly decaying particle observed so far. The short value of the lifetime comfirms the predicted pattern of the charmed baryon lifetimes and demonstrates that the strong interaction plays a vital role in the lifetimes of charmed hadrons. We present the measurement of the lifetime of the Omega_c we have performed using three independent data samples from two different decay modes. Using a Sigma- beam of 340 GeV/c we have obtained clean signals for the Omega_c decaying into Xi- K- pi+ pi+ and Omega- pi+ pi- pi+, avoiding topological cuts normally used in charm analysis. The short but measurable lifetime of the Omega_c is demonstrated by a clear enhancement of the signals at short but finite decay lengths. Using a continuous maximum likelihood method we determined the lifetime to be tau(Omega_c) = 55 +13-11(stat) +18-23(syst) fs. This makes the Omega_c the shortest living weakly decaying particle observed so far. The short value of the lifetime confirms the predicted pattern of the charmed baryon lifetimes and demonstrates that the strong interaction plays a vital role in the lifetimes of charmed hadrons.

Published
1995

50. A measurement of beauty production cross section

Author

Rossi, L., Adamovich, M., Adinolfi, M., Alexandrov, Y., Angelini, C., Bacci, C., Barberis, D., Barney, D., Batten, J., Beusch, W., Claudio Bruschini, Cardarelli, R., Cardini, A., Casanova, V., Ceradini, F., Ciapetti, G., Dameri, M., Darbo, G., Diciaccio, A., Duane, A., Dufey, Jp, Farthouat, P., Flaminio, V., Forino, A., French, Br, Frenkel, A., Gemme, C., Gessaroli, R., Harrison, K., Hurst, R., Kirk, A., Lacava, F., Lazzeroni, C., Malferrari, L., Maljukov, S., Martellotti, G., Martinengo, P., Mazzanti, P., Mcewen, Jg, Minashvili, I., Nechaeva, P., Nisati, A., Orestano, D., Osculati, B., Passaseo, M., Penso, G., Petrolo, E., Pontecorvo, L., Quareni, A., Ragni, P., Totscheidt, H., Ryzhov, V., Roda, C., Rossi, C., Russakovich, N., Salvo, C., Santonico, R., Schuler, G., Semenov, A., Solovjev, A., Torelli, M., Veneziano, S., Verzocchi, M., Websdale, D., Weymann, M., Zanello, L., and Zavertyaev, M.

Published
1995

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