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39 results on '"V. I. Bubnov"'

1. Numerical and experimental investigations of the effect of repeated cyclic thermal loads on the strength of materials of recoverable liquid-propellant rocket engines

Author: A. M. Polyanskii, V. I. Bubnov, I. G. Lozino-Lozinskaya, and D. V. Isakov
Subjects: Environmental Engineering, business.product_category, Materials science, Structural material, Liquid-propellant rocket, Energy Engineering and Power Technology, Limiting, Mechanics, Condensed Matter Physics, Strength of materials, Rocket, Residual stress, Modeling and Simulation, Heat exchanger, Thermal, business
Abstract: Elements of the liquid-propellant rocket engines (LPREs) are subject to the action of intense mechanical and thermal loads, which are temporally related to the start-up, normal regime, and switch-off periods of the working cycle. Recoverable LPREs experience these loads many times. Repeated (cyclic) loads lead to the manifestation of processes typical of fatigue, whereby residual stresses and (plastic) deformations are retained and accumulated in the LPRE materials. Numerical investigations using models of the nonstationary thermal and stressed-strained state and the plastic behavior of materials have been performed in order to determine the limiting numbers of loading cycles for the structural materials employed in various units of LPREs. A special computational-experimental procedure is described, which allows these materials to be studied in a stressed-strained state close to that in real LPREs.
Published: 2008

2. Flow effects in high-energy nucleus collisions with Ag(Br) in emulsion

Author: V. Bradnova, M.I. Tretyakova, P. I. Zarubin, N. A. Salmanova, V. A. Plyushchev, S. Vokal, V. I. Bubnov, Maria Haiduc, V. V. Rusakova, A.M. Seitimbetov, S. P. Kharlamov, I. A. Lebedev, D. Hasegan, N. G. Peresadko, N. P. Andreeva, Alexander Kovalenko, T. P. Trofimova, N. Saidkhanov, A. S. Gaitinov, N. S. Lukicheva, V. G. Larionova, S.Z. Nasyrov, V. S. Navotny, O. V. Levitskaya, L. N. Philippova, M. M. Chernyavsky, E. S. Basova, A. Kravcčáková, L. Just, K. G. Gulamov, G. I. Orlova, E. K. Kanygina, Janka Vrlakova, A.K. Musaeva, M. I. Adamovich, S.A. Krasnov, and S. I. Zhokhova
Subjects: Physics, Nuclear and High Energy Physics, Plane (geometry), Projectile, Elliptic flow, Atomic and Molecular Physics, and Optics, Relativistic particle, Azimuth, medicine.anatomical_structure, Flow (mathematics), medicine, Atomic physics, Nuclear Experiment, Nucleus, Fourier series
Abstract: Various flow phenomena observed by a unique emulsion method are reviewed. The experimental data of the emission of projectile and target fragments and relativistic particles in collisions of 1–160 A GeV/c16O, 22Ne, 28Si, 32S, 84Kr, 197Au, and 208Pb nuclei with 108Ag (80Br) targets are investigated. The transverse-momentum approach, the flow-angle analysis using principal vectors, the azimuthal correlation functions, the method of azimuthal correlations between charged secondaries, and the method of Fourier expansion of the azimuthal angle distributions are applied. Evidence of the directed flow of spectators has been obtained in the medium-impact nuclear interactions. In azimuthal distributions, with respect to the reaction plane, the signal of the elliptic flow of participants has been observed.
Published: 2004

3. [Untitled]

Author: V. I. Bubnov and V. S. Koryagin
Subjects: Fuel Technology, Waste management, chemistry, Geochemistry and Petrology, Aluminium, General Chemical Engineering, Energy Engineering and Power Technology, chemistry.chemical_element, Electrostatic precipitator, Production (economics), Electrofiltration
Published: 2002

4. Multifractal analysis of particles produced in 197 Au, 32 S and 16 O induced interactions at high energies

Author: S.Z. Nasyrov, K. Söderström, A.K. Musaeva, Joakim Nystrand, D. C. Zhou, Andrei Gheata, J. J. Lord, A. M. Bakich, C.B. Yang, Vivek K. Gupta, S.A. Krasnov, J. Grote, L. N. Svechnikova, M. Roeper, Shiv K. Gupta, D. Skelding, J. T. Rhee, S. Lokanathan, I. Otterlund, S.Q. Feng, M. Tothova, C.G. Lee, R. Sethi, E. R. Ganssauge, S. I. Zhokhova, Dong-Hai Zhang, S. Dhamija, V.I. Skorobogatova, M. I. Tretyakova, V. A. Plyushchev, S. Vokal, V. Bradnova, K. G. Gulamov, V. Kumar, Y.X. Li, Paul Nilsson, P. Y. Zheng, D.M. Seliverstov, V. S. Bhatia, Z.R. Hu, L. S. Liu, V. G. Larionova, A. S. Gaitinov, A. Pavukova, B. B. Simonov, G.M. Chen, S. B. Luo, M. Karabova, U.I. Tuleeva, L. Liang, X. Cai, Madan M. Aggarwal, M. I. Adamovich, H. Q. Wang, W. Y. Qian, L.Z. Yu, Y. Lu, N. A. Salmanova, Y.L. Yu, F. A. Avetyan, F. G. Lepekhin, G. I. Orlova, Y. C. Kim, Shi-kun Wang, Janka Vrlakova, Maria Haiduc, Rashmi Raniwala, V. S. Navotny, A.M. Tawfik, Evert Anders Stenlund, O. V. Levitskaya, N. A. Marutyan, K. El Chenawi, A.M. Seitimbetov, S. K. Badyal, Z.G. Liu, K. B. Bhalla, N. K. Rao, Anju Bhasin, R. Amirikas, T. Wu, N. Saidkhanov, L. G. Sarkisova, Z. Q. Weng, V. I. Bubnov, S. P. Kharlamov, V. G. Bogdanov, Y.M. Qin, D. Felea, N. S. Lukicheva, V. V. Rusakova, Z.B. Yin, V. Vashisht, Alexander Kovalenko, T. P. Trofimova, S. Garpman, X.R. Wang, N. P. Andreeva, S. G. Gerassimov, N. G. Peresadko, E. S. Basova, I. S. Mittra, L. Just, Mihaela Gheata, C.I. Shakhova, L.S. Peak, E. K. Kanygina, Bo Jakobsson, V. R. Sarkisyan, M. M. Chernyavski, N. V. Petrov, L. P. Chernova, D. Hasegan, H. Liu, I. Y. Chasnikov, Y. A. Alexandrov, R. J. Wilkes, L. K. Mangotra, B. Singh, and W. Li
Subjects: Physics, Spectral representation, Fractal, Monte Carlo method, General Physics and Astronomy, Statistical analysis, Rapidity, Multifractal spectra, Multifractal system, Atomic physics, Statistical fluctuations, Molecular physics
Abstract: We analyse the multifractal structure of moments Gq in terms of a new variable X on data of 197Au, 32S and 16O induced interactions with emulsion nuclei and Monte Carlo generated samples. The dynamical properties of the produced particles are mapped onto multifractal spectra. We compare ln G in experimental data of 197Au, 32S and 16O with pure statistical fluctuations. It is shown that the stochasticity plays an important role for the G-moments.
Published: 1998

5. Critical behaviour in Au fragmentation at 10.7A GeV

Author: K. Söderström, P. Y. Zheng, L. K. Mangotra, K. G. Gulamov, R. Sethi, V. I. Bubnov, V. A. Plyushchev, S. Vokal, V. Kumar, Y.X. Li, Madan M. Aggarwal, V. S. Navotny, G.M. Chen, Joakim Nystrand, L. N. Svechnikova, L. P. Chernova, A.K. Musaeva, N. A. Salmanova, V. S. Bhatia, Anju Bhasin, N. Saidkhanov, C.I. Shakhova, L. S. Liu, V. G. Larionova, D. Skelding, J. T. Rhee, M. Tothova, E. R. Ganssauge, V. V. Rusakova, I. Y. Chasnikov, L. G. Sarkisova, C.B. Yang, Z. Q. Weng, Y. A. Alexandrov, Bo Jakobsson, Rashmi Raniwala, L. Karlsson, L.S. Peak, R. J. Wilkes, J. J. Lord, S.A. Krasnov, I. Manhas, V. R. Sarkisyan, J. Grote, N.A. Tawfik, Dong-Hai Zhang, M. I. Tretyakova, S.Z. Nasyrov, N. G. Peresadko, E. S. Basova, A.M. Seitimbetov, N. K. Rao, Janka Vrlakova, D. C. Zhou, A. S. Gaitinov, X. Cai, U.I. Tuleeva, F. A. Avetyan, A. M. Bakich, M. Roeper, Maria Haiduc, M. Karabova, M. M. Chernyavski, L. Just, H. Q. Wang, E. K. Kanygina, S. Garpman, M. I. Adamovich, X.R. Wang, W. Y. Qian, S. K. Badyal, Z.G. Liu, S. I. Zhokhova, Alexander Kovalenko, B. Singh, N. P. Andreeva, S. B. Luo, S. P. Kharlamov, T. P. Trofimova, Shi-kun Wang, V. G. Bogdanov, U. Henjes, S. G. Gerassimov, Y.M. Qin, N. S. Lukicheva, G. I. Orlova, Vivek K. Gupta, Shiv K. Gupta, K. B. Bhalla, S. Dhamija, R. Amirikas, Evert Anders Stenlund, N. A. Marutyan, S. Lokanathan, Y. Lu, V. Bradnova, and I. Otterlund
Subjects: Physics, Nuclear and High Energy Physics, Phase transition, education.field_of_study, Hadron, Population, Charge density, Supercritical fluid, Nuclear physics, Fragmentation (mass spectrometry), Nuclear fusion, Nuclear emulsion, Nuclear Experiment, education
Abstract: The complete charge distribution of products from Au nuclei fragmenting in nuclear emulsion at 10.7A GeV has been measured. Multiplicities of produced particles and particles associated with the target source are used to select peripheral and central events. A statistical analysis, based on event-by-event charge distributions, show that a population of subcritical, critical and supercritical events, i.e. a phase transition like behaviour, is observed among peripheral collisions.
Published: 1998

6. Nuclear effect in higher-dimensional factorial moment analysis of the $^{16}$ O-, $^{32}$ S- and $^{197}$ Au-Em interaction data at 200, 60 and 11 A GeV/c

Author: Madan M. Aggarwal, G. F. Xu, R. J. Wilkes, L. Liang, N. A. Salmanova, V. S. Navotny, O. V. Levitskaya, K. Söderström, D. Hasegan, K. El Chenawi, I. S. Mittra, Anju Bhasin, Mihaela Gheata, A. Pavukova, N. Saidkhanov, C.I. Shakhova, R. Sethi, S. B. Luo, V. A. Plyushchev, J. J. Lord, S. Vokal, J. Grote, S. K. Gupta, Y.X. Li, L.S. Peak, Joakim Nystrand, F.A. Avetian, A. S. Gaitinov, Z. Q. Weng, N. V. Petrov, L. Just, K. G. Gulamov, M. Tothova, V. Kumar, S. Garpman, Z.R. Hu, V. S. Bhatia, L. S. Liu, V. G. Larionova, A.M. Tawfik, M. Karabova, H. Q. Wang, S.Q. Feng, C.G. Lee, K. B. Bhalla, R. Amirikas, Y. Lu, Vivek K. Gupta, L. N. Svechnikova, W. Y. Qian, V. Bradnova, X.R. Wang, S. P. Kharlamov, E. K. Kanygina, Rashmi Raniwala, L.Z. Yu, L. P. Chernova, Paul Nilsson, V. Vashisht, V. G. Bogdanov, Maria Haiduc, U.I. Tuleeva, N. P. Andreeva, V.I. Skorobogatova, F. G. Lepekhin, Y.M. Qin, D. Felea, I. Otterlund, M. Roeper, A.M. Seitimbetov, G.M. Chen, V.R. Sarkisian, Alexander Kovalenko, Bo Jakobsson, Y. C. Kim, N. S. Lukicheva, N. K. Rao, M. I. Tretyakova, D.M. Seliverstov, V. I. Bubnov, T. P. Trofimova, S.G. Gerasimov, Y. Deng, Dong-Hai Zhang, P. Y. Zheng, V. V. Rusakova, Z.B. Yin, N. G. Peresadko, E. S. Basova, X. Cai, I. Y. Chasnikov, Y. A. Alexandrov, G. I. Orlova, L. G. Sarkisova, Janka Vrlakova, A.K. Musaeva, S. K. Badyal, Z.G. Liu, C.B. Yang, S. A. Krasnov, E. Stenlund, Bhartendu K. Singh, B. B. Simonov, S.Z. Nasyrov, L. K. Mangotra, D. Skelding, J. T. Rhee, S. I. Zhokhova, Y.L. Yu, S. Lokanathan, D. C. Zhou, Andrei Gheata, A. M. Bakich, E. R. Ganssauge, M. I. Adamovich, Shi-kun Wang, N.A. Marutian, S. Dhamija, and M. M. Chernyavsky
Subjects: Nuclear physics, Physics, Moment (mathematics), Particle physics, Angular distribution, Physics and Astronomy (miscellaneous), Nuclear Theory, Emulsion, Rapidity, Nuclear Experiment, Particle Physics - Phenomenology, Factorial moment
Abstract: The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ^{16}O-, ^{32}S- and ^{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ~{16}O-, ~{32}S- and ~{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions. The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ^{16}O-, ^{32}S- and ^{197}Au-Em interactions from EMU01 experiment. The correct value for the effective Hurst exponent in the analysis of higher-dimensional factorial moment is found to be greater than unity, showing clearly the existence of superposition effect in nucleus-nucleus collisions.
Published: 1997

7. Multifragmentation of Gold nuclei in the interactions with photoemulsion nuclei at 10.7 GeV/nucleon

Author: L. N. Svechnikova, M. Karabova, H. Q. Wang, W. Y. Qian, A.M. Tawfik, Madan M. Aggarwal, L.Z. Yu, V. S. Navotny, K. El Chenawi, Rashmi Raniwala, R. Sethi, L.S. Peak, K. G. Gulamov, V. Kumar, M. I. Tretyakova, M. Gheata, K. Söderström, S.Z. Nasyrov, L. K. Mangotra, Y.X. Li, E. Baklitskaya, A. Gheata, N. G. Peresadko, E. S. Basova, G. Z. Eligbaeva, X. Cai, D. C. Zhou, L. Just, S.Q. Feng, Anju Bhasin, N. Saidkhanov, A. M. Bakich, Bhartendu K. Singh, T. I. Shakhova, M. Roeper, I.Ya. Chasnikov, M. I. Adamovich, G.M. Chen, D. Felea, Joakim Nystrand, S. Dhamija, Dong-Hai Zhang, Z. Q. Weng, N. A. Salmanova, V.R. Sarkisian, D. Skelding, Yu.A. Aleksandrov, M. M. Chernyavsky, Shi-kun Wang, X.R. Wang, J. T. Rhee, M. Haiduc, V. A. Plyushchev, S. Vokal, S. P. Kharlamov, V. G. Bogdanov, U. Henjes, Z.V. Anzon, V.V. Uzhinsky, N. P. Andreeva, Y.M. Qin, K. B. Bhalla, V. S. Bhatia, L. S. Liu, V. G. Larionova, U.I. Tuleeva, R. Amirikas, E. R. Ganssauge, N. S. Lukicheva, N.A. Marutian, T. Svensson, N. V. Maslennikova, S. I. Zhokhova, A.M. Seitimbetov, N. K. Rao, V. Vashisht, S. K. Gupta, Y. Lu, A.Y. Mashkov, E. K. Kanygina, L. E. Eremenko, L. G. Sarkisova, F.A. Avetian, B.P. Tursunov, G. S. Kalyachkina, E. Stenlund, G. I. Orlova, Bo Jakobsson, I. Manhas, I. Otterlund, Alexander Kovalenko, M. Tothova, S.G. Gerasimov, N. V. Petrov, S. Garpman, T. P. Trofimova, Vivek K. Gupta, A. S. Gaitinov, V. I. Bubnov, Janka Vrlakova, A.K. Musaeva, D. Hasegan, V. V. Rusakova, Z.B. Yin, R. J. Wilkes, P. Y. Zheng, I. S. Mittra, S. Lokanathan, J. J. Lord, S. B. Luo, J. Grote, C.B. Yang, S. A. Krasnov, L. P. Chernova, V. Bradnova, S. K. Badyal, and Z.G. Liu
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Nuclear Theory, Charge density, Statistical model, Nuclear physics, Transverse momentum, Radial flow, Multiplicity (chemistry), Nuclear Experiment, Nucleon, Glauber, Excitation
Abstract: Recent results from the EMU-01/12 collaboration are presented for 10.7 GeV/nucleon gold nuclei interactions in emulsion. The distributions of "bound" charge ( Zbound ,Z b3), multiplicity distributions, fragment correlations and fluctua- tions are discussed. The data are compared to similar results obtained on the ALADIN setup at 600 MeV/nucleon. It is shown that multifragmentation of gold nuclei at high and in- termediate energies has common features. It is also obtained that the IMFs have reduced multiplicity at high energies. The data are analyzed within the scope of the statistical model of multifragmentation. This model requires the fol- lowing predetermined model ingredients: mass, charge and excitation energy of nuclear residuals. The simple estimation method of these characteristics is proposed in the framework of the Glauber approach. It is shown that the multifragmentation model reproduces qualitatively the present data. A dramatic discrepancy between the predicted and experimental yield of two charged fragments is found. The evolution of transverse momentum of fragments as a function of Zbound is presented. It is shown that the model greatly underpredicts the transverse momentum of fragments. It is interpreted as evidence of a strong radial flow of spectator fragments.
Published: 1997

8. Complex analysis of gold interactions with photoemulsion nuclei at 10.7 GeV/nucleon within the framework of cascade and FRITIOF models

Author: L. Just, N. G. Peresadko, E. S. Basova, E. Stenlund, T. H. Burnett, V. Bradnova, L. N. Svechnikova, N. A. Marutyan, A.Y. Mashkov, M. Ochs, Rashmi Raniwala, Alexander Kovalenko, T. P. Trofimova, N. S. Lukicheva, M. I. Tretyakova, M. Roeper, E. K. Kanygina, L. P. Chernova, K. Söderström, V. V. Uzhinskii, U.I. Tuleeva, A.M. Seitimbetov, E. R. Ganssauge, M. Karabova, Dong-Hai Zhang, S.Z. Nasyrov, L. K. Mangotra, N. K. Rao, I. S. Mittra, C.I. Shakhova, H. Q. Wang, R. J. Wilkes, K. G. Gulamov, V. Kumar, I. Y. Chasnikov, L.S. Peak, N. A. Salmanova, W. Y. Qian, Y. L. Xia, G. Z. Eligbaeva, Y. A. Alexandrov, N. V. Petrov, S. Garpman, X. Cai, Vivek K. Gupta, S. Dhamija, L. E. Eremenko, Joakim Nystrand, Madan M. Aggarwal, S. Lokanathan, Bo Jakobsson, M. Tothova, F. A. Avetyan, G. S. Kalyachkina, M. M. Chernyavski, Sudhir Raniwala, N. P. Andreeva, D. C. Zhou, V. R. Sarkisyan, S. Kachroo, C. Graf, S. G. Gerassimov, V. S. Navotny, A. M. Bakich, S. P. Kharlamov, A. S. Gaitinov, S. B. Luo, S. K. Gupta, G.S. Shabratova, V. G. Bogdanov, Z.V. Anzon, K. B. Bhalla, Y.M. Qin, M. I. Adamovich, D. Skelding, Anju Bhasin, N. Saidkhanov, B.P. Tursunov, Z. Q. Weng, R. Amirikas, E. Baklitskaya, S. Mokerjee, G. I. Orlova, J. J. Lord, L. G. Sarkisova, J. Grote, N. V. Maslennikova, V. I. Bubnov, S. I. Zhokhova, V. V. Rusakova, S. K. Badyal, Y. D. Li, C.B. Yang, S. A. Krasnov, S. Kitroo, Janka Vrlakova, I. Otterlund, V. A. Plyushchev, S. Vokal, Renu Arora, V. S. Bhatia, L. S. Liu, V. G. Larionova, and P. Y. Zheng
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Cascade, Nucleon
Published: 1997

9. Charged particle multiplicities, densities and fluctuations in Pb+Pb interactions at 158 A GeV

Author: S. I. Zhokhova, R. J. Wilkes, S.Z. Nasyrov, Y.L. Yu, B. B. Simonov, M. Karabova, D. Hasegan, H. Q. Wang, A.M. Tawfik, R. Sethi, F. G. Lepekhin, L. P. Chernova, S. K. Badyal, Z.G. Liu, Dong-Hai Zhang, Paul Nilsson, I. Otterlund, E. Stenlund, I. Y. Chasnikov, A. S. Gaitinov, Y.X. Li, Y. A. Alexandrov, V. Vashisht, N. V. Petrov, S. Garpman, L. Liang, D. Skelding, Y. C. Kim, E. R. Ganssauge, B. Singh, J. T. Rhee, E. K. Kanygina, V. I. Bubnov, L. K. Mangotra, M. I. Adamovich, W. Y. Qian, L.Z. Yu, Rashmi Raniwala, N. G. Peresadko, E. S. Basova, N. S. Lukicheva, Maria Haiduc, S. B. Luo, K. Söderström, V.I. Skorobogatova, Bo Jakobsson, M. I. Tretyakova, Alexander Kovalenko, Janka Vrlakova, A.K. Musaeva, G.M. Chen, Shi-kun Wang, K. G. Gulamov, S.Q. Feng, J. J. Lord, V. Kumar, J. Grote, L. N. Svechnikova, X. Cai, L. Just, A.M. Seitimbetov, Joakim Nystrand, V. V. Rusakova, T. P. Trofimova, C.G. Lee, Z.B. Yin, V. A. Plyushchev, S. Vokal, N. K. Rao, C.B. Yang, S.A. Krasnov, X.R. Wang, D. C. Zhou, S. Dhamija, V. S. Bhatia, Andrei Gheata, A. M. Bakich, N. A. Salmanova, L. S. Liu, V. G. Larionova, S. Lokanathan, N. P. Andreeva, M. Tothova, Anju Bhasin, N. Saidkhanov, S. G. Gerassimov, K. B. Bhalla, M. M. Chernyavski, Madan M. Aggarwal, Mihaela Gheata, R. Amirikas, Z. Q. Weng, L.S. Peak, P. Y. Zheng, U.I. Tuleeva, I. S. Mittra, S. P. Kharlamov, C.I. Shakhova, Y.M. Qin, D. Felea, V. S. Navotny, O. V. Levitskaya, K. El Chenawi, Z.R. Hu, Y. Lu, D.M. Seliverstov, G. I. Orlova, Vivek K. Gupta, Shiv K. Gupta, V. Bradnova, and M. Roeper
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Charged particle
Abstract: Results on charged particle multiplicities, densities and fluctuations from central Pb+Pb interactions at 158 A GeV are presented and discussed.
Published: 1997

10. On the production of slow particles in high energy heavy ion collisions

Author: L. P. Chernova, C.B. Yang, S.A. Krasnov, S. B. Luo, S. P. Kharlamov, D. H. Zhang, D. Skelding, B.P. Tursunov, V. G. Bogdanov, Z.V. Anzon, Y.M. Qin, I. Y. Chasnikov, Z. I. Solovieva, S. N. Shpilev, Y. A. Alexandrov, G. S. Kalyachkina, P. Y. Zheng, N. V. Petrov, L. N. Svechnikova, L. K. Mangotra, E. K. Kanygina, Alexander Kovalenko, V. I. Bubnov, M. I. Tretyakova, S. Mokerjee, L. Just, T. P. Trofimova, G. S. Shabratova, X. Cai, S. Kitroo, R. Raniwala, S. Kachroo, C. Graf, V. V. Rusakova, S.Z. Nasyrov, D. C. Zhou, K. Söderström, Janka Vrlakova, N. P. Andreeva, M. Karabova, R. J. Wilkes, H. Q. Wang, A. M. Bakich, J. Nystrand, I. S. Mittra, W. Y. Qian, S. G. Gerassimov, Anju Bhasin, Y. D. Li, M. Tothova, N. Saidkhanov, A. S. Gaitinov, S. Dhamija, Sudhir Raniwala, C.I. Shakhova, N. A. Salmanova, S. K. Gupta, Bo Jakobsson, S. Vokal, Y. L. Xia, V. A. Plyushchev, Z. Q. Weng, M. Roeper, L.S. Peak, V. R. Sarkisyan, J. J. Lord, V. S. Navotny, V. Bradnova, Renu Arora, N. V. Maslennikova, J. Grote, V. S. Bhatia, L. S. Liu, N. G. Peresadko, E. S. Basova, V. G. Larionova, S. I. Zhokhova, M. M. Chernyavski, S. Garpman, G. I. Orlova, M. J. Adamovich, D. A. Carshiev, U.I. Tuleeva, E. R. Ganssauge, A.M. Seitimbetov, T. H. Burnett, N. K. Rao, Evert Anders Stenlund, M. M. Aggarwal, N. A. Marutyan, A.Y. Mashkov, I. K. Bazarov, V. K. Gupta, K. G. Gulamov, V. Kumar, S. Lokanathan, G. Z. Eligbaeva, K. B. Bhalla, R. Amirikas, M. Ochs, I. Otterlund, L. E. Fremenko, N. S. Lukicheva, S. K. Badyal, F. A. Avetyan, and L. G. Sarkisova
Subjects: Physics, High energy, Physics and Astronomy (miscellaneous), Chemical physics, Yield (chemistry), Hadron, Heavy ion, Impact parameter, Atomic physics, Nuclear Experiment, Engineering (miscellaneous)
Abstract: The mechanism for producing slow, target associated particles in high energy heavy ion collisions is investigated. It is shown that the same mechanism which was proposed for hadron induced interactions is likely to appear also for heavy-ion reactions. The results indicate however a much weaker correlation between impact parameter and yield of slow particles.
Published: 1995

11. 28Si(32S) fragmentation at 3.7 A, 14.6 A and 200 A GeV

Author: M. I. Tretyakova, X. Cai, L. N. Svechnikova, B.P. Tursunov, L. E. Eremenko, G. S. Shabratova, Bo Jakobsson, M. Ochs, S. Vokal, R. Raniwala, Alexander Kovalenko, T. H. Burnett, R. J. Wilkes, V. R. Sarkisyan, S. K. Gupta, V. I. Bubnov, V. A. Plyushchev, Renu Arora, G. S. Kalyachkina, T. P. Trofimova, V. S. Bhatia, L. S. Liu, V. G. Larionova, C.B. Yang, S.Z. Nasyrov, V. K. Gupta, S. P. Kharlamov, L. P. Chernova, V. G. Bogdanov, V. Bradnova, V. V. Rusakova, Y. L. Xia, Z.V. Anzon, Y.M. Qin, N. P. Andreeva, D. H. Zhang, S. Kachroo, I. Y. Chasnikov, V. S. Navotny, S. G. Gerassimov, Anju Bhasin, N. Saidkhanov, Y. A. Alexandrov, N. V. Petrov, C. Graf, K. Söderström, D. Skelding, M. M. Chernyavski, N. G. Peresadko, E. S. Basova, M. Karabova, K. B. Bhalla, S. B. Luo, G. I. Orlova, K. G. Gulamov, V. Kumar, Z. Q. Weng, H. Q. Wang, R. Amirikas, F. A. Avetyan, S. Garpman, S. K. Badayal, S. Dhamia, J. Nystrand, N. S. Lukicheva, Z. I. Solovieva, D. C. Zhou, W. Y. Qian, S. N. Shpilev, S. A. Karsnov, I. S. Mittra, G. Z. Eligbaeva, A. S. Gaitinov, C.I. Shakhova, L. G. Sarkisova, A. M. Bakich, S. Mokerjee, E. K. Kanygina, S. Kitroo, A.M. Seitimbetov, N. K. Rao, Janka Vrlakova, S. Lokanathan, L.S. Peak, J. J. Lord, J. Grote, M. Tothova, M. I. Adamovich, Sudhir Raniwala, Evert Anders Stenlund, P. Y. Zheng, L. K. Mangotra, M. Roeper, E. R. Ganssauge, N. V. Maslennikova, S. I. Zhokhova, M. M. Aggarwal, N. A. Marutyan, A.Y. Mashkov, I. K. Bazarov, Y. D. Li, L. Just, N. A. Salmanova, D. A. Carshiev, U.I. Tuleeva, and I. Otterlund
Subjects: Nuclear reaction, Nuclear physics, Physics, Nuclear and High Energy Physics, Fragmentation (mass spectrometry), Astrophysics::High Energy Astrophysical Phenomena, Charge density, Nuclear fusion, High Energy Physics::Experiment, Spallation, Atomic physics, Nuclear Experiment
Abstract: The fragmentation topology of28Si at 3.7A GeV and 14.6A GeV and32S at 200A GeV in reactions with emulsion nuclei is presented. The fragmentation cross sections are very similar at all three energies. A statistical percolation model can qualitatively describe the data forZ≥ 6. The He production is underestimated and the 3 ≤Z ≤ 5 fragments overestimated by this model.
Published: 1995

12. Particle production in gold and lead induced interactions at AGS and SPS

Author: M. M. Aggarwal, N. A. Marutyan, A.Y. Mashkov, M. Karabova, N. A. Salmanova, H. Q. Wang, W. Y. Qian, M. Roeper, J. Nystrand, E. R. Ganssauge, F.A. Aveytan, T. H. Burnett, M Hajduk, V. I. Bubnov, I. S. Mittra, I. Otterlund, C.I. Shakhova, V. K. Gupta, M. I. Adamovich, L. Just, V. Bradnova, V. V. Rusakova, Y. L. Xia, M. Ochs, S. P. Kharlamov, J. J. Lord, S. Dhamija, V. G. Bogdanov, J. Grote, Z.V. Anzon, Y.M. Qin, V. S. Navotny, M. M. Chernyavski, G. S. Kalyachkina, A.M. Seitimbetov, Bhartendu K. Singh, M. I. Tretyakova, U.I. Tuleeva, R. Sethi, S. K. Gupta, V. A. Plyushchev, N. K. Rao, S. Kitroo, X. Cai, S. Lokanatan, L. G. Sarkisova, A. S. Gaitinov, Janka Vrlakova, A.K. Musaeva, P. Y. Zheng, D. C. Zhou, B.P. Tursunov, K. G. Gulamov, V. Kumar, V. S. Bhatia, Alexander Kovalenko, C.B. Yang, T. P. Trofimova, A. M. Bakich, G. Z. Eligbaeva, Anju Bhasin, N. Saidkhanov, L. S. Liu, V. G. Larionova, S. A. Krasnov, K. B. Bhalla, G. I. Orlova, L. N. Svechnikova, N. V. Maslennikova, M. Thotova, S. K. Badyal, E.K. Kanygian, R. Amirikas, G. S. Shabratova, Z. Q. Weng, R. Raniwala, N. S. Lukicheva, S. I. Zhokhova, Evert Anders Stenlund, S. B. Luo, S. N. Shpilev, R. J. Wilkes, L. E. Eremenko, Bo Jakobsson, S. Vokal, V. R. Sarkisyan, S.Z. Nasyrov, Z. I. Solovjeva, S. Kachroo, C. Graf, K. Söderström, L. P. Chernova, D. H. Zhang, I. Y. Chasnikov, Y. A. Alexandrov, N. V. Petrov, D. Skelding, L.S. Peak, N. G. Peresadko, E. S. Basova, S. Garpman, X.R. Wang, N. P. Andreeva, S. G. Gerassimov, and L. K. Mangotra
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Large Hadron Collider, Lead (geology), Physics::Instrumentation and Detectors, Nuclear Theory, Physics::Accelerator Physics, Particle, High Energy Physics::Experiment, Nuclear Experiment
Abstract: In this talk we will present some of the recent results from the experiments E863 and EMU12 using the BNL AGS Au-beam at 11.6 A GeV/c and the CERN SPS Pb-beam at 158 A GeV, respectively. Aspects on the particle production and on the target break-up will be discussed. The results are compared with model expectations. The lead data is here shown for the first time.
Published: 1995

13. 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

14. Helium production in 10.7 A GeV Au induced nucleus-nucleus collisions

Author: D. Skelding, L. K. Mangotra, R. J. Wilkes, M. I. Tretyakova, X. Cai, M. Ochs, J. J. Lord, D. C. Zhou, J. Grote, S. Kitroo, N. A. Salmanova, Janka Vrlakova, A. M. Bakich, B.P. Tursunov, L. E. Eremenko, I. S. Mittra, L. P. Chernova, Evert Anders Stenlund, Bo Jakobsson, M. Karabova, H. Q. Wang, S.Z. Nasyrov, Z. I. Solovjeva, S. Vokal, N. P. Andreeva, C.I. Shakhova, W. Y. Qian, V. R. Sarkisyan, S. Kachroo, D. H. Zhang, N. S. Lukicheva, S. P. Kharlamov, S. K. Badyal, C. Graf, S. G. Gerassimov, V. G. Bogdanov, Y. L. Xia, I. Y. Chasnikov, Z.V. Anzon, K. Söderström, E. R. Ganssauge, Y. A. Alexandrov, V. I. Bubnov, Y.M. Qin, N. V. Petrov, G. S. Kalyachkina, M. I. Adamovich, L. Just, M. Tothova, V. V. Rusakova, F. A. Avetyan, Anju Bhasin, M. Roeper, M. M. Chernyavski, N. Saidkhanov, L.S. Peak, S. B. Luo, A. S. Gaitinov, N. G. Peresadko, E. S. Basova, K. B. Bhalla, R. Amirikas, I. Otterlund, Z. Q. Weng, L. G. Sarkisova, S. Garpman, S. N. Shpilev, Alexander Kovalenko, D. A. Carshiev, M. M. Aggarwal, U.I. Tuleeva, Sudhir Raniwala, N. V. Maslennikova, T. P. Trofimova, N. A. Marutyan, A.Y. Mashkov, I. K. Bazarov, E. K. Kanygina, T. H. Burnett, S. I. Zhokhova, S. Dhamija, V. K. Gupta, Y. D. Li, K. G. Gulamov, V. Kumar, P. Y. Zheng, G. Z. Eligbaeva, A.M. Seitimbetov, N. K. Rao, S. Lokanatan, J. Nystrand, V. Bradnova, S. Mokerjee, L. N. Svechnikova, G. S. Shabratova, R. Raniwala, V. S. Navotny, G. I. Orlova, S. K. Gupta, V. A. Plyushchev, Renu Arora, V. S. Bhatia, L. S. Liu, V. G. Larionova, C.B. Yang, and S.A. Krasnov
Subjects: Physics, Nuclear and High Energy Physics, chemistry.chemical_element, Nuclear physics, medicine.anatomical_structure, chemistry, Fragmentation (mass spectrometry), Total angular momentum quantum number, Angular momentum of light, Transverse momentum, medicine, Atomic physics, Nuclear Experiment, Nucleus, Helium
Abstract: Angular distributions of projectile-associated He fragments from Au induced reactions in nuclear emulsions at 10.7 A GeV have been measured with a precision of ±0.1 mrad. Two emission components are indubitably appearing, one representing fragmentation of a fermionic system while the other one exhibits large transverse momentum transfer. Possible explanations for the latter component are discussed.
Published: 1994

15. 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

16. Systematic investigation of scaled factorial cumulant moments for nucleus-nucleus interactions

Author: G. Z. Eligbaeva, H. S. Palsania, B.P. Tursunov, M. M. Chernyavski, T. H. Burnett, N. K. Rao, G. S. Kalyachkina, V. K. Gupta, S. Kachroo, D. Skelding, K. Söderström, J. Nystrand, J. T. Rhee, Z. O. Weng, Z. V. Anson, L. P. Chernova, L. G. Sarkisova, N. A. Salmanova, L. E. Eremenko, T. P. Trofimova, L. N. Svechnikova, H. Huang, V. I. Bubnov, S. Mookerjee, E. R. Ganssauge, D. H. Zhang, G. I. Orlova, M. Karabova, H. Q. Wang, L. K. Mangotra, K. B. Bhalla, I. S. Mittra, Anju Bhasin, N. Saidkhanov, H. H. Heckman, Sudhir Raniwala, S. Vokal, W. Y. Qian, G. S. Shabratova, R. Raniwala, B. Jacobsson, V. M. Rappoport, Y. A. Alexandrov, S.Z. Nasyrov, B. Judek, N. S. Lukicheva, N. V. Petrov, Z. I. Solovieva, N. G. Peresadko, E. S. Basova, V. R. Sarkisyan, S. Garpman, D. C. Zhou, S. A. Krasnov, K. D. Tolstov, F. A. Avetyan, P. Y. Zheng, A. S. Gaitinov, T. I. Shakhova, J. J. Lord, S. K. Gupta, S. K. Badyal, D. A. Carshiev, U.I. Tuleeva, J. Grote, T. Koss, G. F. Xu, I. Otterlund, I. Y. Chasnicov, M. I. Adamovich, S. P. Kharlamov, N. P. Andreeva, Renu Arora, V. G. Bogdanov, V. N. Lepetan, S. G. Gerassimov, S. Kitroo, Y.M. Qin, V. S. Bhatia, L. S. Liu, V. G. Larionova, M. I. Tretyakova, V. S. Navotny, J. Wilkes, X. Cai, E. K. Kanygina, S. I. Zhochova, E. L. Surin, S. Lokanathan, N. V. Maslennikova, V. A. Plyuschev, Evert Anders Stenlund, S. N. Shpilev, S. B. Luo, M. M. Aggarwal, N. A. Marutyan, I. K. Bazarov, P. Lal, J. C. Zhou, K. G. Gulamov, and V. Kumar
Subjects: Nuclear reaction, Physics, Factorial, Pseudorapidity, Inverse, High Energy Physics::Experiment, Multiplicity (mathematics), Statistical physics, Nuclear Experiment, Particle density, Cumulant, Bin
Abstract: We use scaled factorial cumulant moments to analyze pseudorapidity fluctuations in nucleus-nucleus collisions. This approach is similar to the method of scaled factorial moments except that it removes the effects of lower-order correlations upon a given moment. Significant second-order cumulants and cumulant indices (slopes with respect to bin size) are found for all of the interactions studied. These indices are found to have an inverse dependence upon average pseudorapidity particle density.
Published: 1993

17. STUDY OF ANGULAR DISTRIBUTION OF HELIUM PROJECTILE FRAGMENTS IN INTERACTIONS OF 200 A GeV 32S IONS WITH EMULSION NUCLEI

Author: S. P. Kharlamov, K. D. Tolstov, D. C. Zhou, V. G. Bogdanov, G. S. Kalyachkina, Z.V. Anzon, Y.M. Qin, M. I. Adamovich, N. A. Salmanova, S. B. Luo, E. R. Ganssauge, Anju Bhasin, N. Saidkhanov, S. K. Gupta, R. J. Wilkes, V. A. Plyushchev, S. Kachroo, P. Lal, N. G. Peresadko, E. S. Basova, Y. L. Xia, S. K. Badyal, M. Tothova, Z. Q. Weng, Sudhir Raniwala, H. H. Heckman, M. Karabova, T. H. Burnett, D. A. Qarshiev, H. Q. Wang, J. Nystrand, K. Söderström, M. M. Chernyavsky, Evert Anders Stenlund, Renu Arora, V. S. Bhatia, W. Y. Qian, S. Garpman, M. I. Tretyakova, E. L. Surin, L. S. Liu, V. G. Larionova, I. Otterlund, M. M. Aggarwal, V. K. Gupta, L. P. Chernova, P. Y. Zheng, N. A. Marutyan, D. Skelding, L. S. Lukicheva, Gautam Kaul, X. Cai, L. K. Mangotra, K. G. Gulamov, V. Kumar, J. J. Lord, L. Just, S. N. Shpilev, A. S. Gaitinov, H. Nasrulaeva, T. N. Maksimkina, J. Grote, V. I. Bubnov, S. Mookerjee, D. H. Zhang, S. Lokanathan, G. Z. Eligbaeva, N. P. Andreeva, B. Judek, G. I. Orlova, I. S. Mittra, S. G. Gerassimov, H. Huang, I. Y. Chasnikov, H. S. Palsania, S. Kulikova, Y. A. Alexandrov, L. G. Sarkisova, S. Kitroo, N. V. Petrov, Z. I. Solovjeva, U.I. Tuleeva, S. H. Nasyrov, N. K. Rao, T. I. Shakhova, T. P. Trofimova, F. A. Avetyan, N. V. Maslennikova, S.A. Krasnov, S. I. Zhokhova, L. N. Svechnikova, E. K. Kanygina, L. E. Eremenko, Bo Jakobsson, S. Vokal, V. R. Sarkisyan, G. S. Shabratova, R. Raniwala, G. F. Xu, V. N. Lepetan, J. T. Rhee, V. M. Rappoport, V. S. Navotny, and K. B. Bhalla
Subjects: Physics, Nuclear and High Energy Physics, Projectile, General Physics and Astronomy, chemistry.chemical_element, Astronomy and Astrophysics, Breakup, Ion, Nuclear physics, Momentum, chemistry, Stack (abstract data type), Emulsion, Atomic physics, Nuclear Experiment, Helium, Excitation
Abstract: This paper presents data on the emission of helium fragments due to break up of 200 A GeV 32S ions in collision with emulsion nuclei. A total of 499 minimum bias events have been studied in an emulsion stack and 97 events in emulsion chambers. Emission angles of He fragments have been measured with high precision. This data has been compared with data of breakup of heavier as well as lighter projectiles and we observe that the value of the momentum spread, σ(p), increases with increasing projectile mass. The bulk part of the helium emission is consistent with a single source for helium fragments with an average excitation energy of (9.1±0.9) MeV. A tail of a few (
Published: 1993

18. On intermittency in heavy-ion collisions and the importance of γ-conversion in a multi-dimensional intermittency analysis

Author: S. C. Strausz, D. Skelding, M. M. Chernyavsky, A. S. Gaitinov, P. Y. Zheng, V. M. Rappoport, P. Lal, N. A. Salmanova, G.S. Shabratova, M. I. Tretyakova, K. G. Gulamov, V. Kumar, L. P. Chernova, Madan M. Aggarwal, H. Huang, S. K. Gupta, V. A. Plyushchev, S. Vokal, X. Cai, Renu Arora, V. G. Larinova, J. T. Rhee, N. V. Maslennikova, Rashmi Raniwala, V. S. Bhatia, H. H. Heckman, N. K. Rao, L. S. Liu, F. G. Kadyrov, G. Z. Eligbaeva, S. I. Zhokhova, S. Lokanathan, Z. I. Solovjeva, N. G. Peresadko, E. S. Basova, Sudhir Raniwala, T. I. Shakhova, V. S. Navotny, S. P. Kharlamov, V. I. Bubnov, V. G. Bogdanov, Z.V. Anzon, I. Y. Chasnikov, S. Mookerjee, T. H. Burnett, Y. A. Alexandrov, I. Otterlund, Anju Bhasin, N. Saidkhanov, Gautam Kaul, N. V. Petrov, H. S. Palsania, Evert Anders Stenlund, Z. Q. Weng, Dong-Hai Zhang, J. F. Sun, L. N. Svechnikova, F. A. Avetyan, S. H. Nasyrov, U.I. Tuleeva, N. A. Marutyan, R. J. Wilkes, S. Garpman, M. Karabova, K. D. Tolstov, N. P. Andreeva, H. Q. Wang, S. G. Gerassimov, S. B. Luo, S. A. Krasnov, G. S. Kalyachkina, J. Ravina, I. S. Mittra, E. R. Ganssauge, K. B. Bhalla, H. Nasrulaeva, M. I. Adamovich, K. Söderström, G. I. Orlova, J. J. Lord, J. Grote, T. Koss, W. Y. Oian, T. P. Trofimova, L. G. Sarkisova, D. C. Zhou, S. Kachroo, S. K. Badyal, L. K. Mangotra, B. Judek, N. S. Lukicheva, L. E. Eremenko, Bo Jakobsson, V. R. Sarkisyan, E. K. Kanygina, G. F. Xu, and V. N. Lepetan
Subjects: Physics, Nuclear and High Energy Physics, Plane (geometry), Signal, Computational physics, law.invention, Azimuth, law, Phase space, Intermittency, Pseudorapidity, Particle, Atomic physics, Scaling
Abstract: Non-statistical fluctuations are used to probe the dynamical behaviour of multi-particle production in heavy-ion interactions at ultra-relativistic energies. In a one-dimensional analysis a 1〈ϱ〉-scaling is established and it is furthermore found that effects from higher-order particle correlations are small. In a two-dimensional analysis it is shown that a small background of particle pairs with a narrow opening angle can distort the observed signal. As an example we estimate the influence of γ-conversion and find that in our experiment γ-conversion alone gives results consistent with the experimental observations from a two-dimensional analysis. Whereas a two-dimensional analysis filters events where two particles are extremely close in phase space, the one-dimensional analysis picks out events with particles clustered in pseudorapidity, which are at the same time diluted in the azimuthal plane.
Published: 1992

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

Author: V. I. Bubnov, L. P. Chernova, S. Mookerjee, L. N. Svechnikova, V. M. Rappoport, D. H. Zhang, Z. I. Solovjeva, I. Y. Chasnikov, S. N. Shpilev, G. S. Shabratova, Y. A. Alexandrov, R. Raniwala, N. V. Petrov, Y. L. Xia, L. E. Eremenko, F. A. Avetyan, N. G. Peresadko, E. S. Basova, Bo Jakobsson, S. K. Gupta, M. M. Chernyavsky, S. Kachroo, K. D. Tolstov, S. Garpman, J. T. Rhee, S. Vokal, V. R. Sarkisyan, T. I. Shakhova, K. Söderström, M. I. Adamovich, S. Lokanathan, S. P. Kharlamov, E. L. Surin, V. G. Bogdanov, Gautam Kaul, Y.M. Qin, A. S. Gaitinov, J. J. Lord, D. Skelding, K. G. Gulamov, G. F. Xu, L. K. Mangotra, J. Grote, V. Kumar, B. Judek, S. K. Badyal, N. S. Lukicheva, Anju Bhasin, N. Saidkhanov, T. P. Trofimova, S. B. Luo, V. A. Plyushchev, V. S. Navotny, M. Karabova, M. M. Aggarwal, H. Huang, N. P. Andreeva, V. N. Lepetan, D. A. Qarshiev, H. Q. Wang, N. A. Marutyan, G. Z. Eligbaeva, Renu Arora, V. S. Bhatia, L. S. Liu, V. G. Larionova, W. Y. Qian, S. G. Gerassimov, Z. Q. Weng, I. S. Mittra, H. Nasrulaeva, T. N. Maksimkina, G. I. Orlova, S. Kulikova, Evert Anders Stenlund, G. S. Kalyachkina, S. I. Zhochova, M. I. Tretyakova, X. Cai, K. B. Bhalla, J. Nystrand, P. Lal, E. K. Kanygina, L. G. Sarkisova, E. R. Ganssauge, T. H. Burnett, S. A. Krasnov, V. K. Gupta, D. C. Zhou, S. Kitroo, H. H. Heckman, I. Otterlund, H. S. Palsania, N. V. Maslennikova, S. H. Nasyrov, M. Tothova, Sudhir Raniwala, N. K. Rao, P. Y. Zheng, N. A. Salmanova, L. Just, Z. V. Anson, U.I. Tuleeva, and R. J. Wilkes
Subjects: Physics, Nuclear physics, Particle physics, Physics and Astronomy (miscellaneous), Pseudorapidity, Inverse, Multiplicity (mathematics), Rapidity, Elementary particle, Quantum field theory, Particle density, Centrality, Engineering (miscellaneous)
Abstract: The energy and centrality dependence of local particle pseudorapidity densities as well as validity of various parametrizations of the distributions are examined. The dispersion, σ, of the rapidity density distribution of produced particles varies slowly with centrality and is 0.80, 0.98, 1.21 and 1.41 for central interactions at 3.7, 14.6, 60 and 200A GeV incident energy, respectively, σ is found to be independent of the size of the interacting system at fixed energy. A novel way of representing the window dependence of the multiplicity as normalized variance versus inverse average multiplicity is outlined.
Published: 1992

20. 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

21. 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

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

Author: H. O. Wang, V. I. Bubnov, S. Mookerjee, Z. V. Anson, Anju Bhasin, N. Saidkhanov, K. Söderström, M. Karabova, W. Y. Qian, B. Judek, N. S. Lukicheva, S. Kachroo, N. G. Peresadko, E. S. Basova, M. I. Adamovich, R. J. Wilkes, G. S. Kalyachkina, Gautam Kaul, N. A. Marutyan, D. Skelding, H. Nasrulaeva, P. Lal, U.I. Tuleeva, G. I. Orlova, G. F. Xu, Sudhir Raniwala, S. Lokanathan, N. A. Salmanova, V. M. Rappoport, G.S. Shabratova, S. B. Luo, A. S. Gaitinov, T. P. Trofimova, V. N. Lepetan, L. P. Chernova, J. J. Lord, P. Y. Zheng, J. Grote, T. Koss, D. C. Zhou, S. Garpman, K. D. Tolstov, I. Y. Chasnikov, I. Otterlund, Y. A. Alexandrov, N. P. Andreeva, E. R. Ganssauge, N. V. Petrov, S. G. Gerassimov, M. M. Chernyavski, F. A. Avetyan, S. K. Gupta, I. S. Mittra, V. A. Plyushchev, Rashmi Raniwala, F. G. Kadyrov, Z. I. Solovjeva, T. I. Shakhova, S. Vokal, J. Ravina, Renu Arora, Y. Z. Liu, M. I. Tretyakova, V. S. Bhatia, L. S. Liu, V. G. Larionova, X. Cai, N. K. Rao, Madan M. Aggarwal, K. B. Bhalla, V. S. Navotny, S. P. Kharlamov, V. G. Bogdanov, Z. O. Weng, L. G. Sarkisova, N. V. Maslennikova, E. K. Kanygina, L. E. Eremenko, Bo Jakobsson, V. R. Sarkisyan, S. K. Badyal, H. S. Palsania, S. H. Nasyrov, S. C. Strausz, K. G. Gulamov, V. Kumar, S. A. Krasnov, L. K. Mangotra, G. Z. Eligbaeva, Evert Anders Stenlund, T. H. Burnett, Dong-Hai Zhang, S. I. Zhochova, H. H. Heckman, L. N. Svechnikova, and J. T. Rhee
Subjects: Physics, Physics and Astronomy (miscellaneous), Projectile, Limiting, Statistical fluctuations, law.invention, Nuclear physics, Fragmentation (mass spectrometry), law, Intermittency, Incident energy, Multiplicity (chemistry), Nuclear Experiment, Engineering (miscellaneous), Scaling
Abstract: The scaling behaviour in the fragmentation regions is investigated for16O-Em interactions from 3.7 to 200A GeV. It is found that in both the projectile- and the target-fragmentation regions, the multiplicity and pseudo-rapidity distributions as well as the two-particle pseudo-rapidity correlations are independent of incident energy. The intermittency indices at 14.6, 60 and 200A GeV are the same within the experimental errors, indicating that the limiting fragmentation hypothesis works with regard to dynamical as well as statistical fluctuations.
Published: 1992

23. On the systematic behaviour of the intermittency-indices in nuclear interactions

Author: K. G. Gulamov, V. Kumar, V. M. Rappoport, Vivek K. Gupta, B. Dressel, K. D. Tolstov, K. Söderström, H. O. Wang, Madan M. Aggarwal, F. G. Kadyrov, G. Z. Eligbaeva, L. P. Chernova, Z. I. Solovjeva, G. F. Xu, B. Judek, J. C. Zhou, N. S. Lukicheva, N. A. Salmanova, T. I. Shakhova, Anju Bhasin, D. H. Zhang, I. Y. Chasnikov, Y. A. Alexandrov, N. V. Petrov, F. A. Avetyan, D. C. Zhou, U.I. Tuleeva, V. S. Navotny, T. P. Trofimova, V. N. Lepetan, N. A. Marutyan, E. K. Kanygina, E. M. Friedlander, Sudhir Raniwala, L. E. Eremenko, W. Schulz, A. S. Gaitinov, N. Saidkhanov, H. H. Heckman, Z. Q. Weng, Evert Anders Stenlund, T. H. Burnett, Manjit Kaur, S. A. Krasnov, D. Skelding, J. T. Rhee, S. K. Badyal, L. N. Svechnikova, N. G. Peresadko, E. S. Basova, L. G. Sarkisova, Gautam Kaul, S. Garpman, P. J. Lindstrom, P. Lal, V. I. Bubnov, S. Mookerjee, G.S. Shabratova, S. Kachroo, S. K. Gupta, N. V. Maslennikova, I. S. Mittra, Bo Jakobsson, V. A. Plyushchev, S. Vokal, H. Nasrulaeva, G. I. Orlova, M. I. Tretyakova, V. R. Sarkisyan, P. Y. Zheng, Renu Arora, M. I. Adamovich, H. Huang, S. Lokanathan, N. P. Andreeva, V. S. Bhatia, L. S. Liu, V. G. Larionova, M. M. Chernyavski, R. J. Wilkes, S. G. Gerassimov, X. Cai, S. C. Strausz, L. K. Mangotra, S. I. Zhochova, K. B. Bhalla, S. B. Luo, Rashmi Raniwala, I. Otterlund, H. S. Palsania, B. Singh, J. F. Sun, N. K. Rao, S. H. Nasyrov, Z. V. Anson, C. Mueller, J. J. Lord, E. R. Ganssauge, J. Grote, S. P. Kharlamov, T. Koss, V. G. Bogdanov, M. Karabova, W. Y. Qian, and G. S. Kalyachkina
Subjects: Combinatorics, Physics, Nuclear and High Energy Physics
Abstract: M.I. Adamovich a, M.M. Aggarwal b, Y.A. Alexandrov a, N.P. Andreeva c, Z.V. Anson c, R. Arora b, F.A. Avetyan d, S.K. Badyal e, E. Basova f, K.B. Bhalla g, A. Bhasin e, V.S. Bhatia b, V.G. Bogdanov h, V.I. Bubnov c, T.H. Burnett i, X. Cai J, I.Y. Chasnikov c, L.P. Chernova k, M.M. Chernyavski a, B. Dressel ~, G.Z. Eligbaeva c, L.E. Eremenko ~, E.M. Friedlander m, A.S. Gaitinov ~, E.R. Ganssauge ~, S. Garpman ", S.G. Gerassimov a, j. Grote i, K.G. Gulamov k, S.K. Gupta g, V. Gupta e, H.H. Heckrnan ~, H. Huang J, B. Jakobsson ", B. Judek o, S. Kachroo e, F.G. Kadyrov k, G.S. Kalyachkina c, E.K. Kanygina ~, M. Karabova P, G.L. Kaul e, M. Kaur b, S.P. Kharlamov a, T. Koss i, S.A. Krasnov P, V. Kumar g, P. Lal g, V.G. Larionova a, V.N. Lepetan ~, P.J. Lindstrom m, L.S. Liu J, S. Lokanathan g, J. Lord i, N.S. Lukicheva k, S.B. Luo q, L.K. Mangotra e, N.A. Marutyan d, N.V. Maslennikova ", I.S. Mittra b, S. Mookerjee g, C. Mueller ~, H. Nasrulaeva f, S.H. Nasyrov f, V.S. Navotny k, G.I. Orlova a, I. Otterlund n, H.S. Palsania g, N.G. Peresadko a, N.V. Petrov f, V.A. Plyushchev h, W.Y. Qian J, R. Raniwala g, S. Raniwala g, N.K. Rao ~, V.M. Rappoport a, J.T. Rhee ~, N. Saidkhanov k, N.A. Salmanova ~, L.G. Sarkisova d, V.R. Sarkisyan d, W. Schulz ~, G.S. Shabratova P, T.I. Shakhova ~, B. Singh b, D. Skelding i, K. SSderstrSm ", Z.I. Solovjeva h, E. Stenlund n, S.C. Strausz i, J.F. Sun r, L.N. Svechnikova k, K.D. Tolstov P, M.I. Tretyakova a, T.P. Trofimova r, U. Tuleeva r, S. Vokal P, H.Q. Wang J, Z.Q. Weng r, R.J. Wilkes i, G.F. Xu s, D.H. Zhang q, P.Y. Zheng s, S.I. Zhochova k, D.C. Zhou J and J.C. Zhou J
Published: 1991

24. 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

25. STOCHASTIC EMISSION OF PARTICLES IN ULTRA-RELATIVISTIC HEAVY-ION COLLISIONS

Author: S. Mookerjee, S. Kachroo, N. G. Peresadko, E. S. Basova, L. K. Mangotra, F. G. Kadyrov, Z. I. Solovjeva, S. I. Zhochova, T. I. Shakhova, Sudhir Raniwala, N. V. Petrov, H. Nasrulaeva, G. I. Orlova, Gautam Kaul, I. Otterlund, Rashmi Raniwala, K. Söderström, M. M. Chernyavski, T. H. Burnett, D. Skelding, Madan M. Aggarwal, K. G. Gulamov, F. A. Avetyan, B. Singh, J. T. Rhee, S. P. Kharlamov, Z. V. Anson, V. G. Bogdanov, N. K. Rao, T. P. Trofimova, V. Kumar, V. S. Navotny, P. J. Lindstrom, V. A. Plyushchev, S. Vokal, V. M. Rappoport, H. Huang, E. K. Kanygina, L. N. Svechnikova, I. S. Mittra, U.I. Tuleeva, N. A. Marutyan, Renu Arora, H. S. Palsania, L. E. Eremenko, L. P. Chernova, X. Cai, S. Garpman, E. R. Ganssauge, V. S. Bhatia, K. B. Bhalla, L. S. Liu, V. G. Larionova, P. Y. Zheng, Vivek K. Gupta, G. Z. Eligbaeva, W. Schulz, N. A. Salmanova, Bo Jakobsson, Manjit Kaur, N. P. Andreeva, B. Dressel, K. D. Tolstov, V. R. Sarkisyan, H. H. Heckman, M. I. Adamovich, S. G. Gerassimov, P. Lal, S. A. Krasnov, I. Y. Chasnikov, Y. A. Alexandrov, Anju Bhasin, G. F. Xu, N. Saidkhanov, A. S. Gaitinov, R. J. Wilkes, S. K. Badyal, B. Judek, E. Stenlund, V. N. Lepetan, Z. Q. Weng, Dong-Hai Zhang, N. S. Lukicheva, J. F. Sun, E. M. Friedlander, L. G. Sarkisova, S. H. Nasyrov, S. B. Luo, S. Lokanathan, D. C. Zhou, N. V. Maslennikova, C. Mueller, J. C. Zhou, S. C. Strausz, M. L. Tretyakova, G. S. Kalyachina, S. K. Gupta, G.S. Shabratova, J. J. Lord, J. Grote, T. Koss, M. Karabova, H. Q. Wang, W. Y. Qian, and V. I. Bubnov
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Fragmentation (mass spectrometry), Particle number, Elliptic flow, General Physics and Astronomy, Astronomy and Astrophysics, Heavy ion, Relativistic particle
Abstract: In this letter we show that most of the fluctuations in particle densities observed in relativistic heavy-ion collisions are consistent with stochastic emission, i.e., most of the correlations between produced particles are washed out due to the vast number of particles in the environment. We further explore the general trends by investigating different systems, energies and centrality cuts. Comparisons with the Fritiof model show that string fragmentation gives results similar to the data.
Published: 1991

26. Limiting Fragmentation, Scaling and Substructual Dependence of Multiparticle Production in High Energy Heavy Ion Reactions

Author: EMUO1 Collaboration, I Otterlund, M I Adamovich, M M Aggarwal, N P Andreeva, Z V Anson, Z V Ameeva, R Arora, Y A Alexandrov, S A Azimov, E Basova, K B Bhalla, A Bhasin, V S Bhatia, V I Bubnov, R A Bondarenko, T H Burnett, X Cai, I Y Chasnicov, L P Chernova, M M Chernyavsky, B Dressel, L E Eremenko, G Z Eligbaeva, E M Friedlander, S I Gadzhieva, A S Gaitinov, E R Ganssauge, S Garpman, S G Gerassimov, A Gill, J Grote, K G Gulamov, U G Gulyamov, S Hackel, H H Heckman, B Judek, S Kachroo, F G Kadyrov, H Kallies, G S Kalyachkina, E K Kanygina, G L Kaul, M Kaur, S P Kharlamov, T Koss, V Kumar, P Lal, V G Larionova, P J Lindstrom, L S Liu, S Lokanathan, J Lord, N S Lukicheva, L K Mangotra, N V Maslennikova, I S Mittra, S Mookerjee, C Mueller, S H Nasyrov, V S Navotny, G I Orlova, N G Peresadko, S Persson, N V Petrov, W Y Qian, R Raniwala, S Raniwala, N K Rao, J T Rhee, N Saidkhanov, N A Salmanova, T I Shakhova, W Schultz, V S Shukla, D Skelding, K Soderstrom, E Stenlund, R S Storey, S Strausz, J F Sun, L N Svechnikova, M I Tretyakova, T P Trofimova, H Q Wang, Z O Weng, R J Wilkes, G F Xu, D H Zhang, P Y Zheng, D C Zhou, and J C Zhou
Subjects: Physics, High energy, Astrophysics::High Energy Astrophysical Phenomena, Limiting, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Nuclear physics, Low energy, Fragmentation (mass spectrometry), Emulsion, High Energy Physics::Experiment, Heavy ion, Multiplicity (chemistry), Nuclear Experiment, Scaling, Mathematical Physics
Abstract: We report on recent results obtained by the EMUO1 collaboration from studies of 16O + emulsion, at 14.6, 60 and 200 A GeV, and 32S + emulsion and 32S + Au interactions at 200 A GeV. Shower-particle production in oxygen-induced interactions are studied over the energy range 2.1-200 A GeV. Scaling and limiting fragmentation are observed. Multiplicity and angular distributions of low energy target-associated particles are presented and compared with distributions obtained using the Ranft and the Fritiof simulation codes.
Published: 1990

27. Erratum to: 'Numerical and experimental investigations of the effect of repeated cyclic thermal loads on the strength of materials of recoverable liquid-propellant rocket engines'

Author: V. I. Bubnov, D. V. Isakov, I. G. Lozino-Lozinskaya, and A. M. Polyanskii
Subjects: Environmental Engineering, Modeling and Simulation, Energy Engineering and Power Technology, Condensed Matter Physics
Published: 2009

28. Scaled-factorial-moment analysis of 200A-GeV sulfur+gold interactions

Author: P. J. Lindstrom, T. H. Burnett, Madan M. Aggarwal, V. S. Shukla, L. K. Mangotra, F. G. Kadyrov, I. Otterlund, K. G. Gulamov, V. Kumar, B. Judek, N. V. Petrov, N. S. Lukicheva, V. S. Navotny, E. Stenlund, P. Y. Zheng, Rashmi Raniwala, N. K. Rao, J. F. Sun, N. A. Salmanova, Bhartendu K. Singh, G. Z. Eligbaeva, S. H. Nasyrov, Renu Arora, V. I. Bubnov, P. Lal, S. Mookerjee, J. C. Zhou, S. C. Strausz, S. Kachroo, V. S. Bhatia, L. S. Liu, V. G. Larionova, Sudhir Raniwala, I. S. Mittra, S. K. Badyal, L. N. Svechnikova, C.I. Shakhova, H. Q. Wang, D. Skelding, A. S. Gaitinov, J. T. Rhee, G. I. Orlova, W. Y. Qian, Dong-Hai Zhang, A. Gill, G. S. Kalyachkina, M. M. Chernyavski, S. Lokanathan, E. M. Friedlander, K. B. Bhalla, C. Mueller, U. G. Gulyamov, Vivek K. Gupta, E. K. Kanygina, L. P. Chernova, B. Dressel, J. J. Lord, J. Grote, T. Koss, K. Söderström, G. F. Xu, S. I. Gadzhieva, R. J. Wilkes, L. E. Eremenko, W. Schultz, I. Y. Chasnikov, Y. A. Alexandrov, Manjit Kaur, S. B. Luo, Anju Bhasin, Z. Q. Weng, S. Hackel, S. P. Kharlamov, Z.V. Anzon, Stefan Persson, E. R. Ganssauge, M. I. Tretyakova, X. Cai, D. C. Zhou, M. I. Adamovich, S. Garpman, N. P. Andreeva, S. G. Gerassimov, N. G. Peresadko, Gautam Kaul, H. H. Heckman, H. Haung, N. V. Maslennikova, and Z. V. Ameeva
Subjects: Physics, Nuclear reaction, Monte Carlo method, Zero (complex analysis), General Physics and Astronomy, chemistry.chemical_element, Central region, Sulfur, Bin, Nuclear physics, chemistry, Pseudorapidity, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, Factorial moment
Abstract: S+Au interactions at 200{ital A} GeV were observed using emulsion chambers, permitting measurement of pseudorapidities in the central region with precision {similar to}0.01 unit. Scaled-factorial-moment analyses are extended to bin sizes smaller than those accessible to other fixed-target experimental techniques. For a sample of 151 central collisions, moments are calculated using both horizontal'' and vertical'' analysis techniques. While the moments are found to rise (in a log-log plot) with decreasing pseudorapidity bin size {delta}{eta}, their slopes roll off to approximately zero for {delta}{eta}{lt}0.1.
Published: 1990

29. Sleeve Filters for Aluminum Production Gas Cleaning.

Author: V. S. Koryagin and V. I. Bubnov
Published: 2002

30. Rapidity densities and their fluctuations in central 200 A GeV 32S interactions with Au and Ag, Br nuclei EMU01 collaboration

Author: D. H. Zhang, W. Schultz, Y. A. Alexandrov, N. V. Petrov, K. G. Gulamov, V. Kumar, I. Y. Chasnicov, D. Skelding, P. J. Lindstrom, G. F. Xu, S. I. Gadzhieva, G. Z. Eligbaeva, R.A. Bondarenko, J. T. Rhee, R. S. Storey, H. Kallies, N. V. Maslennikova, G. S. Kalyachkina, V. S. Shukla, N. P. Andreeva, J. C. Zhou, Rashmi Raniwala, V. I. Bubnov, A. Gill, S.A. Azimov, S. G. Gerassimov, I. Otterlund, T. H. Burnett, F. G. Kadyrov, P. Lal, Manjit Kaur, M. M. Chernyavsky, K. Soderstrom, Z. V. Anson, N. A. Salmanova, T. P. Trofimova, N. G. Peresadko, N. K. Rao, S. Lokanathan, T. I. Shakhova, S. Kachroo, M.M. Aggarwal, L. E. Eremenko, U.C. Gulyamov, I. S. Mittra, G. I. Orlova, H. H. Heckman, J. J. Lord, E. M. Friedlander, Sudhir Raniwala, Z. O. Weng, J. Grote, S. Garpman, Gautam Kaul, S. Mookerjee, T. Koss, S. C. Strausz, C. Mueller, P. Y. Zheng, H. Q. Wang, S. P. Kharlamov, E. Stenlund, R. J. Wilkes, W. Y. Qian, L. K. Mangotra, Anju Bhasin, N. Saidkhanov, J. F. Sun, E. K. Kanygina, R. Arora, V. S. Bhatia, L. S. Liu, V. G. Larionova, A. S. Gaitinov, S. H. Nasyrov, M. I. Tretyakova, X. Cai, B. Dressel, Z. V. Ameeva, M. I. Adamovich, L. N. Svechnikova, S. Hackel, K. B. Bhalla, E. Basova, V. S. Navotny, B. Judek, N. S. Lukicheva, Stefan Persson, E. R. Ganssauge, D. C. Zhou, and L. P. Chernova
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, High Energy Physics::Experiment, Rapidity, Multiplicity (chemistry), Atomic physics, Nuclear Experiment
Abstract: The pseudo-rapidity density distributions of shower particles (n s ) are measured in central inelastic S + Au and S + Ag,Br inter-actions. The extracted maximum energy densities, while being higher for Au than for Ag.Br interactions, were found to be similar to those obtained for oxygen emulsion interactions. The correlation between rapidity density and shower particle multiplicity shows a small deviation from the Lund Model Fritiof for the highest energy densities in S + Au interactions, whereas the bulk of the data yields satisfactory agreement.
Published: 1989

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

Author: G. S. Shabratova, V. G. Larioniva, V. I. Tretyak, I. J. Chasnikov, V.A. Plyushchev, L. Yust, R.A. Khoshmukhamedov, M. Totova, F. A. Avetian, L. N. Bokova, Yu.A. Batusov, V. I. Ostroumov, O.M. Kuznetsov, N. P. Andreeva, M. Karabova, F. G. Lepekhin, G. S. Kalyachkina, Andrzej Olszewski, V. I. Bubnov, H. Rosu, S. D. Bogdanov, W. Wolter, Z. V. Anzon, Dj. A. Salomov, N. A. Salmanova, M. I. Tretyakova, Barbara Wosiek, K. D. Tolstov, R. Holynski, L. G. Sarkisova, O. V. Piskaleva, A. Muhtorov, M. I. Adamovich, M. Gitsok, A.V. Belousov, B. Wilczynska, V. A. Leskin, V.A. Bakaev, G. I. Orlova, E. Siles, A. S. Gaitinov, V. M. Krishchan, Anton Dimitrov, I. Bobodjanov, J. Karaba, L. E. Eremenko, S. I. Solovieva, D. Hashegan, S. P. Harlamov, E. K. Kanygina, A. Marin, B. P. Bannik, V. A. Antonchik, M. Haiduk, V.G. Bogdanov, V.V. Lyukov, K. A. Matevosian, M. S. Juranova, N. A. Marutian, A. Vokalova, and B. B. Simonov
Subjects: Momentum, Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Mean free path, Nuclear fusion, Nuclear emulsion, Elementary particle
Published: 1985

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

Author: D.A. Salomov, A. S. Gaitinov, M. Haiduk, V. A. Plyushchev, S. Vokal, N. I. Kastanashvili, F. G. Lepekhin, M. Shumbera, S. P. Harlamov, G. S. Shabratova, N. A. Salmanova, V. M. Kirshchan, T. I. Shachova, B. U. Ameeva, V. A. Antonchik, L. G. Sarkisova, G. S. Kalyachkina, L. E. Eremenko, V. I. Bubnov, G. I. Orlova, S. I. Solovieva, M. M. Cherniavsky, E. K. Kanygina, M. I. Tretyakova, M. Gitsok, V. I. Ostroumov, E. Siles, I. J. Chasnikov, D. Tuvdendorzh, A. El-Naghy, V. A. Leskin, V. G. Bogdanov, F. A. Avetian, B. P. Bannik, N. V. Maslennikova, K. D. Tolstov, M. I. Adamovich, V. R. Sarkisian, V. Topor, S. A. Krasnov, R. Togoo, A. J. Lihachev, N. A. Marutian, Z. V. Anzon, M. Karabova, B. B. Simonov, M. Totova, V. G. Larionova, L. Serdamba, N. P. Andreeva, and S. D. Bogdanov
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Splash, Projectile, Nuclear Theory, Emulsion, Nuclear fusion, Atomic physics, Nuclear Experiment
Abstract: In the collisions of 4.1 A GeV/c22Ne with AgBr emulsion nuclei, events exhibiting projectile and target fragmentation have been selected. The characteristics of these events are not reproduced by the cascade-evaporation model. The angular distributions and correlation between projectile and target fragments have shown the “bounce off” of the former and the “side splash” of the latter.
Published: 1988

33. Inelastic interactions of protons with photoemulsion nuclei at 4·5 GeV/c

Author: V. I. Ostroumov, B. Kusambaev, M. I. Adamovich, V. A. Plyushchev, M. Marku, V. Novický, A. Marin, V. I. Bubnov, V. G. Larionova, L. Achmadalieva, E. S. Basova, M. Haiduc, A. S. Gaitinov, V.A. Bakaev, G. M. Chernov, J. Karaba, I. J. Chasnikov, V. A. Leskin, V. G. Bogdanov, V.A. Antonchik, B.P. Bannik, N. A. Perfilov, U. G. Guljamov, P. N. Lebedev, N. Dalkhazhav, R. Togo, M.M. Muminov, K. D. Tolstov, L.E. Eremenko, Z. I. Solovjeva, S. Vokál, M. Šumbera, R.M. Ibatov, S. P. Kharlamov, N. A. Bondarenko, M. Karabova, A. I. Bondarenko, M. Tothova, S. D. Bogdanov, E. Siles, B. G. Rachimbajev, B. Chadra, and K. G. Gulamov
Subjects: Physics, Pion, Proton, Nuclear Theory, Energy spectrum, Inelastic collision, General Physics and Astronomy, Multiplicity (chemistry), Atomic physics, Nuclear Experiment
Abstract: In inelastic collisions of protons with photoemulsion nuclei at 4·5 GeV/c, data have been obtained on multiplicity of shower particles, energy spectrum of fast secondary protons with (2·5±0·1) GeV average energy, and energy spectrum of produced charged pions with (640±±50) MeV average energy. The multiplicity, angular distributions, and energy of particles arising from splitting target-nuclei are also determined: the proton spectrum is approximated by the power dependenceE -γ withγ=1·4±0·1. The distribution of protons andπ-mesons over rapiditiesy=0·5 In[(E+p)/(E−p)] have been obtained. The average multiplicity for secondary particles coincide with the predicted values given by the cascade-evaporation model.
Published: 1981

34. Some peculiarities of sideward flow of particles in22Ne collisions with emulsion nuclei at 4.1A GeV/c

Author: M. Karabova, E Sile, R. Togoo, G J Eligbaeva, V. I. Bubnov, J. A. Salomov, V. G. Bogdanov, T I Shachova, B. U. Ameeva, Z.V. Anzon, N I Kastanashvili, M. Totova, V Topor, B.P. Bannik, A. S. Gaitinov, L. Serdamba, E. K. Kanygina, M. Haiduk, D. Tuvdendorzh, M. Shumbera, I. J. Chasnikov, S. D. Bogdanov, V. I. Ostroumov, R A Khoshmukhamedov, A J Likhachev, K. D. Tolstov, Z. I. Solovieva, A.V. Belousov, G S Kalyachkina, V.A. Antonchik, N. P. Andreeva, A. El-Naghy, M Gitsok, V. A. Plyushchev, S. Vokal, and L.E. Eremenko
Subjects: Physics, Nuclear and High Energy Physics, Splash, Projectile, Plane (geometry), Nuclear Theory, Flow (psychology), General Physics and Astronomy, Physics::Fluid Dynamics, Nuclear physics, Azimuth, Angular distribution, Particle, Atomic physics, Nuclear Experiment
Abstract: Analysis of emission of projectile and target fragments in 22Ne+Ag(Br) collisions at 4.1A GeV/c is carried out to study peculiarities of particle 'sideward flow'. The possibility of determining the reaction plane is considered. 'Bounce-off' of 22Ne projectile fragments is observed by investigating their projections onto the reaction plane. The angular distribution of slow fragments has a maximum which is due to 'side splash'. By studying projections onto the azimuthal plane, data on 'sideward flow' are obtained. An increase of ranges is observed for slow fragments emitted in the direction of the 'side splash'.
Published: 1988

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

Author: K. G. Gulamov, Yu. P. Keloglu, S. D. Bogdanov, V. G. Larionova, V.A. Antonchik, S. P. Kharlamov, B. G. Rakhimbaev, K. D. Tolstov, V. V. Ivanov, M. Khaiduk, N. A. Perfilov, B.P. Bannik, V. G. Bogdanov, V. A. Plyushev, R. A. Bondarenko, I.Ya. Chasnikov, M. Totova, L.E. Eremenko, S. Vokal, B. Chadraa, M. Marku, A. Marin, B. F. Kostenko, Ya. Karaba, E. S. Basova, Z. I. Solovieva, V. A. Leskin, M. Karabova, B. Kusambaev, L. Akhmadalieva, R.M. Ibatov, V.A. Bakaev, G. M. Chernov, V. I. Bubnov, M.M. Muminov, M. I. Adamovich, E. Sileŝ, N. Dalkhazhav, V. Novicki, R. Togoo, S.A. Azimov, A. Sh. Gaitinov, M. Shumbera, V. I. Ostroumov, and U. G. Gulyamov
Subjects: Nuclear physics, Physics, Momentum, Nuclear and High Energy Physics, Cascade, Emulsion, Evaporation, Nuclear fusion, Nuclear Experiment
Abstract: New experimental data on proton-nucleus interactions in emulsion at primary momentum 4.5 GeV/c are presented and discussed. The data are systematically compared with predictions of the cascade-evaporation model. The directions of development of the cascade-evaporation model in a region of incident momenta are considered, and some suggestions are made for giving it more precision.
Published: 1981

36. Fragmentation of22Ne in emulsion at 4.1A GeV/c

Author: Maria Haiduc, Ts.I. Shakhova, A. Sh. Gaitinov, D. Tuvdendorzh, V. G. Bogdanov, G. I. Orlova, V M Krishchyan, S G Bogdanov, V Topor, M A Marutyan, Z. I. Solovieva, M. I. Adamovich, L G Sarkisova, N. V. Maslennikova, M. Totova, V. I. Ostroumov, K. D. Tolstov, F. A. Avetyan, G. Zh. Eligbaeva, J. A. Salomov, L Sardamba, S. P. Kharlamov, E. Siles, Z.V. Anzon, R. Togoo, V. I. Bubnov, M. I. Tretyakova, N. A. Salmanova, G S Kalyachkina, I.Ya. Chasnikov, S.A. Krasnov, V. A. Leskin, S. Vokal, V. G. Larionova, A Y Likhachev, L.E. Eremenko, M M Chernyavaski, V A Plyuschev, B. B. Simonov, A.V. Belousov, M. Karabova, M. Šumbera, V. R. Sarkisyan, E. K. Kanygina, V.A. Antonchik, N. P. Andreeva, A. El-Naghy, M Gitsok, N I Kostanashvili, and F. G. Lepekhin
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Single process, Fragmentation (mass spectrometry), Projectile, Yield (chemistry), Emulsion, General Physics and Astronomy, Charge density, Charge (physics), Nuclear Experiment
Abstract: Charge distributions of projectile fragments produced in the interactions of 22Ne beams with emulsion at 4.1A GeV/c have been studied. Correlations between projectile and target fragments and among projectile fragments are presented. The change of charge yield distribution with the violence of the collision has been shown. The present analysis contradicts theoretical calculations describing the inclusive charge yield distribution of fragments by a single process.
Published: 1988

37. Nucleus-nucleus collision as superposition of nucleon-nucleus collisions

Author: Madan M. Aggarwal, D. Felea, S. B. Luo, I. Manhas, S. P. Kharlamov, V. S. Navotny, E. K. Kanygina, U. Henjes, A.M. Tawfik, M.M. Chernyaysky, Y.M. Qin, K. El Chenawi, S. Dhamija, K. G. Gulamov, I. S. Mittra, R. Sethi, G.M. Chen, V. Kumar, L. P. Chernova, J. J. Lord, Y.X. Li, Janka Vrlakova, M. Gheata, J. Grote, Anju Bhasin, R. J. Wilkes, N. Saidkhanov, M. Roeper, D. Skelding, A.K. Musaeva, D. C. Zhou, S. K. Gupta, K. B. Bhalla, M. Karabova, A. Gheata, C.B. Yang, S.A. Krasnov, Bo Jakobsson, Z. Q. Weng, I. Y. Chasnikov, L. N. Svechnikova, W. Y. Qian, S. I. Zhokhova, L.Z. Yu, N. G. Peresadko, E. S. Basova, Y. A. Alexandrov, Vivek K. Gupta, Joakim Nystrand, H.Q. Wang, M. I. Tretyakova, S.Z. Nasyrov, L. K. Mangotra, V. Vashisht, Y. Lu, X. Cai, N. S. Lukicheva, A. S. Gaitinov, K. Soderstrem, T. Svensson, S. Garpman, Alexander Kovalenko, E. Stenlund, X.R. Wang, E. R. Ganssauge, S. Lokanathan, T. P. Trofimova, G. I. Orlova, S. K. Badyal, Dong-Hai Zhang, M. I. Adamovich, N. P. Andreeva, S. G. Gerassimov, V. Bradnova, V. I. Bubnov, V. V. Rusakova, Z.B. Yin, S.Q. Feng, I. Otterlund, S. Vokal, V. S. Bhatia, L. S. Liu, V. G. Larionova, U.I. Tuleeva, Rashmi Raniwala, B. Singh, N. A. Salmanova, A.M. Seitimbetov, N. K. Rao, P. Y. Zheng, and M. Tothova
Subjects: Physics, Nuclear and High Energy Physics, Projectile, Nuclear Theory, Atomic and Molecular Physics, and Optics, Charged particle, Nuclear physics, Momentum, Superposition principle, medicine.anatomical_structure, Angular momentum coupling, medicine, Impact parameter, Atomic physics, Nuclear Experiment, Nucleon, Nucleus
Abstract: Angular distributions of charged particles produced in 16O and 32S collisions with nuclear track emulsion were studied at momenta 4.5 and 200 A GeV/c. Comparison with the angular distributions of charged particles produced in proton-nucleus collisions at the same momentum allows to draw the conclusion, that the angular distributions in nucleus-nucleus collisions can be seen as superposition of the angular distributions in nucleon-nucleus collisions taken at the same impact parameter bNA, that is mean impact parameter between the participating projectile nucleons and the center of the target nucleus

38. Bounce-off in (197)Au induced collisions with Ag(Br) nuclei at 11.6 A GeV/c

Author: E. Stenlund, L. N. Svechnikova, L. P. Chernova, N. A. Salmanova, D. Skelding, V. I. Bubnov, M. Karabova, E. K. Kanygina, J. T. Rhee, Madan M. Aggarwal, W. Y. Qian, V. S. Navotny, R. Sethi, K. El Chenawi, L. E. Eremenko, Y.X. Li, L.Z. Yu, L. G. Sarkisova, V. V. Rusakova, Z.B. Yin, I. Y. Chasnikov, I. Otterlund, D. Hasegan, Y. A. Alexandrov, Bo Jakobsson, K. Söderström, V. R. Sarkisyan, Mihaela Gheata, I. S. Mittra, S. B. Luo, C.I. Shakhova, Joakim Nystrand, A.M. Tawfik, L.S. Peak, S.Q. Feng, Anju Bhasin, J. J. Lord, S. K. Badyal, Z.G. Liu, R. J. Wilkes, N. Saidkhanov, Dong-Hai Zhang, C.G. Lee, B. Singh, J. Grote, B.P. Tursunov, N. G. Peresadko, S.Z. Nasyrov, L. K. Mangotra, K. G. Gulamov, N. V. Petrov, V. Kumar, G. S. Kalyachkina, G. Z. Eligbaeva, V. A. Plyushchev, S. Vokal, L. Just, F. A. Avetyan, S. Dhamija, U.I. Tuleeva, H.S. Wang, S. Garpman, Y.A. Mashkov, X.R. Wang, V. S. Bhatia, L. S. Liu, V. G. Larionova, V. Vashisht, Maria Haiduc, A. Pavukova, N. P. Andreeva, S. G. Gerassimov, Alexander Kovalenko, A. S. Gaitinov, E. Basova, G.M. Chen, T. P. Trofimova, Z. Q. Weng, Y. Lu, S. P. Kharlamov, V. G. Bogdanov, U. Henjes, Z.V. Anzon, Y.M. Qin, M. I. Tretyakova, X. Cai, I.C. Kim, M. M. Chernyavsky, N. A. Marutyan, M. Roeper, N. V. Maslennikova, S. I. Zhokhova, P. Y. Zheng, Rashmi Raniwala, H.Q. Wang, A.M. Seitimbetov, N. S. Lukicheva, N. K. Rao, S. Lokanatan, A.K. Musaeva, C.B. Yang, D. Felea, S.A. Krasnov, M. I. Adamovich, I. Manhas, K. B. Bhalla, R. Amirikas, Janka Vrlakova, D. C. Zhou, Andrei Gheata, A. M. Bakich, E. R. Ganssauge, V. Bradnova, G. I. Orlova, Vivek K. Gupta, and Shiv K. Gupta
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Angular distribution, Physics::Instrumentation and Detectors, Projectile, Angular correlation, Nuclear Theory, Hadron, Nuclear fusion, Particle flow, Atomic physics, Nuclear Experiment
Abstract: Using emulsion detectors a transverse-momentum analysis of projectile fragments has been performed in Au induced nuclear interactions at 11.6 A GeV/c. Evidence for collective flow of the projectile fragments has been obtained. Angular distributions of the principal vectors of projectile and target fragments have shown strong azimuthal correlation.

39. He production in 158 A GeV/c Pb on Pb interactions

Author: N. V. Petrov, S. Garpman, S. Lokanathan, U.I. Tuleeva, S.Z. Nasyrov, G. S. Kalyachkina, Y. Lu, M. I. Tretyakova, V. A. Plyushchev, S. Vokal, X. Cai, K. Söderström, L. P. Chernova, Alexander Kovalenko, E. Stenlund, V. S. Bhatia, B.P. Tursunov, L. N. Svechnikova, L. Just, L. S. Liu, V. G. Larionova, T. P. Trofimova, M. I. Adamovich, A. Pavukova, Joakim Nystrand, Dong-Hai Zhang, V. Vashist, M. Roeper, C.G. Lee, Mihaela Gheata, L. G. Sarkisova, E. K. Kanygina, I. Y. Chasnikov, K. G. Gulamov, V. Kumar, N. A. Salmanova, D. Skelding, S. P. Kharlamov, V. I. Bubnov, V. G. Bogdanov, U. Henjes, L.S. Peak, D. Hasegan, J. T. Rhee, M. M. Chernyavski, Y. A. Alexandrov, D. Felea, G. Z. Eligbaeva, N. V. Maslennikova, Z.V. Anzon, Y.M. Qin, N. A. Marutyan, Rashmi Raniwala, Y. C. Kim, V. V. Rusakova, N. G. Peresadko, E. S. Basova, Z.B. Yin, Shi-kun Wang, N. S. Lukicheva, S. W. Feng, G.M. Chen, A. S. Gaitinov, R. J. Wilkes, B. Singh, L. K. Mangotra, Anju Bhasin, S. I. Zhokhova, N. Saidkhanov, S. B. Luo, I. S. Mittra, S. K. Badyal, A.M. Tawfik, Z.G. Liu, X.R. Wang, A.M. Seitimbetov, N. P. Andreeva, C.I. Shakhova, I. Manhas, S. G. Gerassimov, N. K. Rao, Z. Q. Weng, K. B. Bhalla, R. Amirikas, G. I. Orlova, L. E. Eremenko, Bo Jakobsson, D. C. Zhou, V. Bradnova, M. Tothova, V. R. Sarkisyan, R. Sethi, Andrei Gheata, A. M. Bakich, F. A. Avetyan, P. Y. Zheng, Y.X. Li, Vivek K. Gupta, Maria Haiduc, Shiv K. Gupta, E. R. Ganssauge, Madan M. Aggarwal, V. S. Navotny, K. El Chenawi, Janka Vrlakova, I. Otterlund, A.K. Musaeva, C.B. Yang, J. J. Lord, S.A. Krasnov, J. Grote, M. Karabova, H. Q. Wang, W. Y. Qian, L.Z. Yu, T. Svensson, and S. Dhamija
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Fragmentation (mass spectrometry), Total angular momentum quantum number, Transverse momentum, Angular momentum coupling, Rotational transition, Atomic physics, Nuclear Experiment, Scaling, Spectral line, Fermi Gamma-ray Space Telescope
Abstract: Angular distributions of projectile-associated He fragments from Pb induced reactions on stationary Pb target at 158 A GeV/c incident momentum are reported. The precision of the angular measurements was about ±0.01 mrad. Two emission components are appearing in the projected angular spectra of the He particles, one representing fragmentation at Fermi momentum scale, while the other one exhibits large transverse momentum transfer. By scaling with the incident momentum the angular spectra of He particles are compared with earlier reported measurements of Au on Au interactions at 11.6 A GeV/c. The p T spectrum of the He particles appears the same for the two cases.

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