Energy density and path-length dependence of the fractional momentum loss in heavy-ion collisions at root S (N N) from 62.4 to 5020 GeV

Ortiz Antonio; Vazquez Omar

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Energy density and path-length dependence of the fractional momentum loss in heavy-ion collisions at root S (N N) from 62.4 to 5020 GeV

机译：从62.4至5020 GEV的根部（n n）的重离子碰撞中分数动量损失的能量密度和路径长度依赖性

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In this work a study of the fractional momentum loss (S-loss) as a function of the characteristic path length (L) and the Bjorken energy density times the equilibration time (epsilon(Bj)tau(0)) for heavy-ion collisions at different root S-NN is presented. The study has been conducted using inclusive charged particles from intermediate to large transverse momentum (5 p(T) 20 GeV/c). Within uncertainties and for all the transverse momentum values which were explored, the fractional momentum loss is found to increase linearly with (epsilon(Bj)tau(0))(3/8) L. For identified hadrons, albeit a smaller slope of S-loss VS. (epsilon(Bj)tau(0))(3/8) L is observed for (anti)protons at p(T) = 5 GeV/c, S-loss is also found to grow linearly with L. The behavior of data could provide important information aimed at understanding the parton energy loss mechanism in heavy-ion collisions and some insight into the expected effect for small systems.

机译：在这项工作中，将分数动量损失（S损失）作为特征路径长度（L）和Bjorken能量密度乘以重型离子碰撞的平衡时间（ε（BJ）Tau（0））的函数的函数在不同的根部S-NN处呈现。使用来自中间体至大横向动量（5℃）的可包容带电粒子进行了该研究。在不确定因素和探索的所有横向动量值中，发现分数损失与（ε -loss与（ε（bj）tau（0））（3/8）在p（t）= 5 gev / c中观察到（抗）质子，也发现S损失与L.数据的行为进行线性地生长可以提供旨在了解重型离子碰撞中Parton能量损失机制的重要信息，以及对小系统的预期效果的一些见解。

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《Physical review, C》 |2018年第1期|共6页
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Ortiz Antonio; Vazquez Omar;
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Univ Nacl Autonoma Mexico Inst Ciencias Nucl Apartado Postal 70-543 Mexico Distrito Fed 04510 Mexico;

Univ Nacl Autonoma Mexico Inst Ciencias Nucl Apartado Postal 70-543 Mexico Distrito Fed 04510 Mexico;

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正文语种 eng
中图分类原子核物理学、高能物理学;
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1. Energy density and path-length dependence of the fractional momentum loss in heavy-ion collisions at root S (N N) from 62.4 to 5020 GeV [J] . Ortiz Antonio, Vazquez Omar Physical review, C . 2018,第1期

机译：从62.4至5020 GEV的根部（n n）的重离子碰撞中分数动量损失的能量密度和路径长度依赖性
2. Investigating multi-strange baryon production in Au plus Au collisions at root(NN)-N-S=62.4 GeV and its excitation function in high-energy heavy-ion collisions [J] . Speltz J Journal of Physics, G. Nuclear and Particle Physics: An Institute of Physics Journal . 2005,第6期

机译：研究根（NN）-N-S = 62.4 GeV的Au加Au碰撞中多奇怪重子的产生及其在高能重离子碰撞中的激发功能
3. Energy and system-size dependence of two- and four-particle v2 measurements in heavy-ion collisions at √sNN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow [J] . G. Agakishiev17 M. M. Aggarwal29 Z. Ahammed47 A. V. Alakhverdyants17 I. Alekseev15 J. Alford18 B. D. Anderson18 C. D. Anson27 D. Arkhipkin2 G. S. Averichev17 J. Balewski22 D. R. Beavis2 N. K. Behera13 R. Bellwied43 M. J. Betancourt22 R. R. Betts7 A. Bhasin16 A. K. Bhati29 H. Bichsel49 J. Bielcik9 J. Bielcikova10 L. C. Bland2 I. G. Bordyuzhin15 W. Borowski40 J. Bouchet18 E. Braidot26 A. V. Brandin25 A. Bridgeman1 S. G. Brovko4 E. Bruna52 S. Bueltmann28 I. Bunzarov17 T. P. Burton2 X. Z. Cai39 H. Caines52 M. Calderón de la Barca Sánchez4 D. Cebra4 R. Cendejas5 M. C. Cervantes41 P. Chaloupka10 S. Chattopadhyay47 H. F. Chen37 J. H. Chen39 J. Y. Chen51 L. Chen51 J. Cheng44 M. Cherney8 A. Chikanian52 K. E. Choi33 W. Christie2 P. Chung10 M. J. M. Codrington41 R. Corliss22 J. G. Cramer49 H. J. Crawford3 X. Cui37 A. Davila Leyva42 L. C. Physical Review C: Nuclear Physics . 2012,第1期

机译：√sNN= 62.4和200 GeV的重离子碰撞中两粒子和四粒子v2测量的能量和系统大小依赖性及其对流量波动和非流量的影响
4. Energy dependence of J/Ψ production in Au+Au collisions at (s_(NN))~(1/2)= 39, 62.4 and 200 GeV from the STAR experiment [C] . Wangmei Zha Winter workshop on nuclear dynamics . 2013

机译：来自STAR实验的（s_（NN））〜（1/2）= 39、62.4和200 GeV的Au + Au碰撞中J /Ψ产生的能量依赖性
5. The Quark Gluon Plasma Probed by Low Momentum Direct Photons in Au+Au Collisions at √SNN = 62.4 GeV and √S NN = 39 GeV Beam Energies [D] . Khachatryan, Vladimir. 2018

机译：Quark Gluon等离子体通过低动量直接光子探测Au + au碰撞在√snn= 62.4 gev和nn = 39 gev梁能量上
6. Energy dependence of the transverse momentum distributions of charged particles in pp collisions measured by ALICE [O] . B. Abelev, J. Adam, D. Adamová, -1

机译：用ALICE测量pp碰撞中带电粒子的横向动量分布的能量依赖性
7. Energy density and path-length dependence of the fractional momentum loss in heavy-ion collisions at $\sqrt{s_{ m NN}}$ from 62.4 to 5020 GeV [O] . Ortiz, Antonio, Vázquez, Omar 2017

机译：能量密度和分数动量的路径长度依赖性 $ \ sqrt {s _ {\ rm NN}} $ 62.4至5020 GeV的重离子碰撞损失

Energy density and path-length dependence of the fractional momentum loss in heavy-ion collisions at root S (N N) from 62.4 to 5020 GeV

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