Hanbury-Brown-Twiss measurements at large rapidity separations, or can we measure the proton radius in p-A collisions?

被引：28
作者：
Altinoluk, Tolga [1 ,2 ]
Armesto, Nestor [1 ,2 ]
Beuf, Guillaume [3 ]
Kovner, Alex [4 ]
Lublinsky, Michael [3 ]
机构：
[1] Univ Santiago de Compostela, Dept Fios Particulas, Santiago De Compostela 15706, Galicia, Spain
[2] Univ Santiago de Compostela, IGFAE, Santiago De Compostela 15706, Galicia, Spain
[3] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel
[4] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
来源：
PHYSICS LETTERS B | 2016年 / 752卷
基金：
以色列科学基金会; 欧洲研究理事会;
关键词：
GLUON DISTRIBUTION-FUNCTIONS; COLOR GLASS CONDENSATE; LONG-RANGE; ANGULAR-CORRELATIONS; ION COLLISIONS; SIDE; INTERFEROMETRY; EVOLUTION; EQUATION;
D O I：
10.1016/j.physletb.2015.11.033
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We point out that current calculations of inclusive two-particle correlations in p-A collisions based on the Color Glass Condensate approach exhibit a contribution from Hanbury-Brown-Twiss correlations. These HBT correlations are quite distinct from the standard ones, in that they are apparent for particles widely separated in rapidity. The transverse size of the emitter which is reflected in these correlations is the gluonic size of the proton. This raises an interesting possibility of measuring the proton size directly by the HBT effect of particle pairs produced in p-A collisions. (C) 2015 The Authors. Published by Elsevier B.V.
引用
收藏
页码：113 / 121
页数：9
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