Three-dimensional jet tomography of twisted strongly coupled quark qluon plasmas

被引：65

作者：

Adil, A ^{[1
]}

Gyulassy, M ^{[1
]}

机构：

[1] Columbia Univ, Dept Phys, New York, NY 10027 USA

来源：

PHYSICAL REVIEW C | 2005年 / 72卷 / 03期

关键词：

D O I：

10.1103/PhysRevC.72.034907

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The triangular enhancement of the rapidity distribution of hadrons produced in p+A reactions relative to p+p is a leading order in (A(1/3)/logs) violation of longitudinal boost invariance at high energies. In A+A reactions this leads to a trapezoidal enhancement of the local rapidity density of produced gluons. The local rapidity gradient is proportional to the local participant number asymmetry and leads to an effective rotation in the reaction plane. We propose that three-dimensional jet tomography, correlating the long-range rapidity and azimuthal dependences of the nuclear modification factor R-AA(eta,phi,p(perpendicular to);b > 0), can be used to look for this intrinsic longitudinal boost violating structure of A+A collisions to image the produced twisted strongly coupled quark gluon plasma. In addition to dipole and elliptic azimuthal moments of R-AA, a significant high p(perpendicular to) octupole moment is predicted away from midrapidity. The azimuthal angles of maximal opacity and hence minima of R-AA are rotated away from the normal to the reaction plane by an octupole twist angle theta(3)(eta) at forward rapidities.

引用

页数：9

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