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Parameterization of deformed nuclei for Glauber modeling in relativistic heavy ion collisions | |
Shou, QY; Ma, YG; Sorensen, P; Tang, AH; Videbaek, F; Wang, H; Shou, QY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. | |
2015 | |
Source Publication | PHYSICS LETTERS B |
ISSN | 0370-2693 |
Volume | 749Pages:215—220 |
Subtype | 期刊文献 |
Abstract | The density distributions of large nuclei are typically modeled with a Woods-Saxon distribution characterized by a radius R-0 and skin depth a. Deformation parameters beta are then introduced to describe non-spherical nuclei using an expansion in spherical harmonics R-0(1 + beta Y-2(2)0 + beta Y-4(4)0). But when a nucleus is non-spherical, the R-0 and a inferred from electron scattering experiments that integrate over all nuclear orientations cannot be used directly as the parameters in the Woods-Saxon distribution. In addition, the beta(2) values typically derived from the reduced electric quadrupole transition probability B(E2)up arrow are not directly related to the beta(2) values used in the spherical harmonic expansion. B(E2). is more accurately related to the intrinsic quadrupole moment Q(0) than to beta(2). One can however calculate Q(0) for a given beta(2) and then derive B(E2). from Q(0). In this paper we calculate and tabulate the R-0, a, and beta(2) values that when used in a Woods-Saxon distribution, will give results consistent with electron scattering data. We then present calculations of the second and third harmonic participant eccentricity (epsilon(2) and epsilon(3)) with the new and old parameters. We demonstrate that epsilon(3) is particularly sensitive to a and argue that using the incorrect value of a has important implications for the extraction of viscosity to entropy ratio (eta/s) from the QGP created in Heavy Ion collisions. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license |
Keyword | Initial-state Simulation Quark-gluon Plasma Elliptic Flow Electron-scattering Collaboration Distributions Perspective Energy |
Language | 英语 |
WOS ID | WOS:000361562900030 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.sinap.ac.cn/handle/331007/25013 |
Collection | 中科院上海应用物理研究所2011-2018年 |
Corresponding Author | Shou, QY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. |
Recommended Citation GB/T 7714 | Shou, QY,Ma, YG,Sorensen, P,et al. Parameterization of deformed nuclei for Glauber modeling in relativistic heavy ion collisions[J]. PHYSICS LETTERS B,2015,749:215—220. |
APA | Shou, QY.,Ma, YG.,Sorensen, P.,Tang, AH.,Videbaek, F.,...&Shou, QY .(2015).Parameterization of deformed nuclei for Glauber modeling in relativistic heavy ion collisions.PHYSICS LETTERS B,749,215—220. |
MLA | Shou, QY,et al."Parameterization of deformed nuclei for Glauber modeling in relativistic heavy ion collisions".PHYSICS LETTERS B 749(2015):215—220. |
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