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Your search keyword '"N. A. Marutyan"' showing total 5 results
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5 results on '"N. A. Marutyan"'

1. Charged particle density distributions in Au induced interactions with emulsion nuclei at 10.7 A GeV

Author

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

Subjects
Physics, Nuclear physics, Momentum, Nuclear and High Energy Physics, Pseudorapidity, Particle, Nuclear emulsion, Nuclear Experiment, Charged particle beam, Spectral line, Charged particle, Fermi Gamma-ray Space Telescope
Abstract

Charged particle pseudorapidity density distributions in Au induced reactions in nuclear emulsion at 10.7 A GeV have been measured. In peripheral events the shower particle distribution exhibits a two peak structure while in central collisions it has a Gaussian shape. The spectator protons appear in the second peak in the pseudorapidity spectra and exhibits a broader momentum distribution than expected from Fermi motion. The produced particle yield in central collisions is not substantially different from phenomenological descriptions based on data from O and S induced reactions.

Published
1995

2. Rapidity density distributions and their fluctuations in violent Au-induced nuclear interactions at 11.6 A GeV/c

Author

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

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, SIMPLE (dark matter experiment), Particle physics, Density distribution, Nuclear Theory, Extrapolation, Rapidity, Nuclear Experiment, Charged particle
Abstract

The first rapidity density distributions from relativistic collisions between truly heavy nuclei are presented. The distributions are compared with expectations from a linear extrapolation of results obtained from collisions with lighter nuclei. Fluctuations are essentially described by a simple scenario with stochastic emission.

Published
1994

3. Rapidity density distributions inO16,Si28,S32,Au197, andPb208induced heavy-ion interactions at 4A–200AGeV

Author

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

Subjects
Nuclear physics, Physics, Range (particle radiation), General Physics and Astronomy, Heavy ion, Rapidity, Charged particle
Abstract

The mass, energy, and centrality dependence of rapidity density distributions of relativistic, charged particles, produced in heavy-ion interactions in the energy range 4A–200A GeV, are investigated. The results indicate that the rapidity density distributions show systematic variations, which are used to predict distributions for Au+Au and Pb+Pb interactions in a model-independent way.

Published
1992

4. Review of recent results on particle production from EMU01

Author

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

Subjects
Physics, Nuclear and High Energy Physics, Superposition principle, Distribution (mathematics), Monte Carlo method, Detector, Particle, Statistical physics, Nuclear Experiment, Beam (structure), Charged particle, Factorial moment, Computational physics
Abstract

The EMU01 Collaboration has employed emulsion chamber and pellicle detectors to accumulate a large database of heavy nucleus interactions. Samples include both minimum bias and central collisions, analyzed in a uniform manner to extract multiplicities and angular distributions of charged particles and nuclear fragments. We find that the main features of these distribution are well represented by geometrical superposition models. A unique feature of EMU01 is the use of emulsion chambers with thin foil targets to observe produced particle angular distributions with exceptionally high precision, permitting extension of fluctuations and correlations analyses beyond the resolution limits imposed by other experimental techniques. The data are generally well reproduced by interaction simulations such as FRITIOF (the Lund monte carlo for nuclear collisons) which include only conventional physics effects. However, the analysis of fluctuations and correlations via factorial moment and cumulant techniques yields some suggestive results which require further investigation, both by continued analysis of existing data and from Au and Pb beam exposures scheduled for the next few years.

Published
1992

5. Slow, target associated particles produced in ultrarelativistic heavy-ion interactions

Author

F. G. Kadyrov, Z. I. Solovjeva, T. I. Shakhova, D. Skelding, J. T. Rhee, H. Huang, M. I. Tretyakova, L. N. Svechnikova, N. A. Salmanova, S. K. Badyal, X. Cai, N. G. Peresadko, E. S. Basova, K. G. Gulamov, S. Lokanathan, Manjit Kaur, V. I. Bubnov, V. M. Rappoport, P. J. Lindstrom, S. Mookerjee, V. Kumar, J. J. Lord, N. V. Petrov, J. Grote, S. A. Krasnov, G. Z. Eligbaeva, T. Koss, Gautam Kaul, S. C. Strausz, F. A. Avetyan, A. S. Gaitinov, E. K. Kanygina, L. K. Mangotra, L. G. Sarkisova, V. A. Plyushchev, M. Karabova, L. E. Eremenko, S. P. Kharlamov, W. Schulz, L. P. Chernova, Bo Jakobsson, S. Vokal, P. Lal, V. G. Bogdanov, C. Mueller, D. C. Zhou, H. Q. Wang, V. R. Sarkisyan, S. B. Luo, D. H. Zhang, W. Y. Qian, T. H. Burnett, S. Garpman, I. Y. Chasnikov, Anju Bhasin, N. Saidkhanov, Y. A. Alexandrov, N. A. Marutyan, Renu Arora, N. P. Andreeva, Z. Q. Weng, G. S. Kalyachkina, N. V. Maslennikova, G. F. Xu, Evert Anders Stenlund, U.I. Tuleeva, S. G. Gerassimov, T. P. Trofimova, V. N. Lepetan, M. M. Chernyavsky, Madan M. Aggarwal, S. I. Zhokhova, V. S. Bhatia, E. R. Ganssauge, M. I. Adamovich, L. S. Liu, V. G. Larionova, V. S. Navotny, Z. V. Anson, I. S. Mittra, K. B. Bhalla, S. Kachroo, K. Söderström, B. Judek, N. S. Lukicheva, E. M. Friedlander, Sudhir Raniwala, Rashmi Raniwala, B. Singh, N. K. Rao, P. Y. Zheng, R. J. Wilkes, S. K. Gupta, G.S. Shabratova, H. Nasrulaeva, G. I. Orlova, Vivek K. Gupta, I. Otterlund, B. Dressel, K. D. Tolstov, H. S. Palsania, J. F. Sun, S. H. Nasyrov, and H. H. Heckman

Subjects
Physics, Nuclear and High Energy Physics, High Energy Physics::Phenomenology, Nuclear Theory, Hadron, Charged particle, Nuclear physics, medicine.anatomical_structure, medicine, Heavy ion, Nuclear emulsion, Atomic physics, Nuclear Experiment, Nucleus
Abstract

The slow, target associated particles produced in ultrarelativistic heavy-ion interactions are a quantitative probe of the cascading processes in the spectator parts of the target nucleus. These processes are directly influenced by the proper timescale for the formation of hadronic matter. In this letter we show experimental data on singly and multiply charged particles, with velocities smaller than 0.7 c , produced in ultrarelativistic heavy-ion interactions in nuclear emulsion.

Published
1991

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