Estimation of electric conductivity of the quark gluon plasma via asymmetric heavy-ion collisions - INSPIRE

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Estimation of electric conductivity of the quark gluon plasma via asymmetric heavy-ion collisions

Yuji Hirono
(
- Nishina Ctr., RIKEN and
- Tokyo U. and
- Sophia U.
)
,
Masaru Hongo
(
- Nishina Ctr., RIKEN and
- Tokyo U. and
- Sophia U.
)
,
Tetsufumi Hirano
(
- Sophia U.
)

Nov, 2012

5 pages

Published in:

Phys.Rev.C 90 (2014) 2, 021903

Published: Aug 15, 2014

e-Print:

1211.1114 [nucl-th]

DOI:

10.1103/PhysRevC.90.021903

Report number:

RIKEN-QHP-54

View in:

reference search94 citations

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Abstract: (APS)

We show that in asymmetric heavy-ion collisions, especially off-central Cu + Au collisions, a sizable strength of electric field directed from Au nucleus to Cu nucleus is generated in the overlapping region, because of the difference in the number of electric charges between the two nuclei. This electric field would induce an electric current in the matter created after the collision, which results in a dipole deformation of the charge distribution. The directed flow parameters v1± of charged particles turn out to be sensitive to the charge dipole and provide us with information about electric conductivity of the quark gluon plasma.

Note:

10 pages, 3 figures, v2: published version in Phys. Rev. C

25.75.Nq
12.38.Mh
25.75.Ld
conductivity: electric
quark gluon: plasma
heavy ion: scattering
charge: dipole
charged particle: flow
copper
gold

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Figures(3)

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