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

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

doi:10.1016/0370-2693(91)91580-o

Cited by 34 publications

(4 citation statements)

References 12 publications

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“…are studied by many authors [11,12,13] e.g EMU01 collaboration [11,13] studied variation of normalized shower particle multiplicity (shower particle multiplicity in nuclear emulsions is a measure of produced charged particles in an interaction), Ns/<Ns>, for O-emulsion interactions at 15 A, 60 A and 200 A GeV of different centralities. These observations confirm the advantage of comparing normalized multiplicities instead of usual multiplicities {which change because of energy or number of basic Nucleon-Nucleon interactions}.…”

Section: Photon Multiplicity Distributionsmentioning

confidence: 99%

Photon Multiplicity Distributions at Heavy Ion Au+Au, Pb+Au, Pb+Pb Interactions

Shayeb

2016

J. Mod. Mater.

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A B S T R A C TThe experimental distributions for Heavy ion interaction, Au+Au, Pb+Au, Pb+Pb have been fitted to polynomial fit of 4 th order to look at minor differences in multiplicity distributions for different targets at heavy ion collisions experiment. The multiplicity distributions found similar; except for small differences which may be of statistical in nature. This analysis supports the hypothesis that geometrical aspects play a dominant role in particle production in heavy ion interactions.

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Section: Photon Multiplicity Distributionsmentioning

confidence: 99%

Photon Multiplicity Distributions at Heavy Ion Au+Au, Pb+Au, Pb+Pb Interactions

Shayeb

2016

J. Mod. Mater.

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“…Nuclear emulsion is a global 4π detector and possesses a very high spatial resolution (∼0.1 mrad) as compared to all other detectors currently used in high-energy physics [23,24]. Because of this advantage, nuclear emulsion is used as a very effective detector for studying the multifractal behaviour of multiparticle production.…”

Section: Grouping Of Targetsmentioning

confidence: 99%

A comparative study of multifractal moments in relativistic heavy-ion collisions

Ahmad¹,

Ahmad²

2006

J. Phys. G: Nucl. Part. Phys.

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A study of the fractal structure of relativistic shower particles produced in the interactions of 28 Si and 12 C nuclei at 4.5 A GeV/c with nuclear emulsion using the methods of Takagi moments, T q , factorial moments, F q , and modified multifractal moments, G q , has been performed. The dependences of these moments on the number of bins M are found to follow power law behaviour for the experimental data in pseudorapidity phase space. The calculated values of the generalized fractal dimensions, D q , are found to decrease with the increasing order of moments, q. This observation indicates the existence of multifractality and a self-similar cascade mechanism in multiparticle production. The multifractal Bernoulli representation D q = D ∞ + c ln q/(q − 1) is found to support the linear dependence of D q on ln q/(q − 1). Finally, from the analysis of the data it can be concluded that no universality in the values of the multifractal specific heat, c, calculated from T q , F q and G q moments is found. Some consistency seems to be observed in the values of the specific heat obtained from the Takagi method.

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“…For the study of this region it is essential to have experimental data on low and medium energy particles produced due to the processes of rescattering and cascading. In this direction, the EMU01 and other experiments have made considerable effort to understand the role of slow target related particles in nucleus-nucleus collisions [1] [2].…”

Section: Introductionmentioning

confidence: 99%

Slow Particle Production in Nucleus-Nucleus Collisions at Relativistic Energies

Rasool¹,

Ahmad²,

Ahmad³

2016

JMP

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In this paper an effort has been made to study the general characteristics of slow particles produced in the interactions of 32 S-Em at 200 AGeV to extract the information about the mechanism of particle production. The results have been compared with the experimental results obtained by other workers. The multiplicity distributions of the slow target associated particles (black, grey and heavy tracks) produced by 32 S-beam with different targets have been studied. Also several types of correlations among them have been investigated. The variation of the produced particles with projectile mass number and target size has been studied. Also the multiplicity distributions of slow particles with NBD fits are presented and scaling multiplicity distributions of slow particles produced have been studied in order to check the validity of KNO-scaling.

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

Cited by 34 publications

References 12 publications

Photon Multiplicity Distributions at Heavy Ion Au+Au, Pb+Au, Pb+Pb Interactions

Photon Multiplicity Distributions at Heavy Ion Au+Au, Pb+Au, Pb+Pb Interactions

A comparative study of multifractal moments in relativistic heavy-ion collisions

Slow Particle Production in Nucleus-Nucleus Collisions at Relativistic Energies

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