Suppression of Dihadron Production with Jet Quenching in A+A Collisions

ZHANG Han-Zhong; WANG En-Ke

Chinese Physics C> 2004, Vol. 28> Issue(9) : 967-972

Suppression of Dihadron Production with Jet Quenching in A+A Collisions

ZHANG Han-Zhong ^, ,
WANG En-Ke

Institute of Particle Physics,Huazhong Normal University,Wuhan 430079,China

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Abstract：
Taking into account the jet quenching,we calculate dihadron production numerically when a hard parton jet produced in relativistic high energy heavy ion collision passes through strong interaction medium.It turns out that the dihadron with large invariable mass spectrum and large transverse momentum are all suppressed in the central nucleus-nucleus collision because of jet quenching effect.It is similar to the p-p collision,the produced hadron back-to-back correlation is strong for the peripheral nucleus-nucleus collision.This correlation is much weaker with decreasing the values of compact parameter.

References

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ZHANG Han-Zhong and WANG En-Ke. Suppression of Dihadron Production with Jet Quenching in A+A Collisions[J]. Chinese Physics C, 2004, 28(9): 967-972.

ZHANG Han-Zhong and WANG En-Ke. Suppression of Dihadron Production with Jet Quenching in A+A Collisions[J]. Chinese Physics C, 2004, 28(9): 967-972. shu

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Received: 2003-12-10
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Suppression of Dihadron Production with Jet Quenching in A+A Collisions

ZHANG Han-Zhong ^,
WANG En-Ke

Corresponding author: ZHANG Han-Zhong,

Institute of Particle Physics,Huazhong Normal University,Wuhan 430079,China

Received Date: 2003-12-10
Accepted Date: 1900-01-01
Available Online: 2004-09-05

Abstract: Taking into account the jet quenching,we calculate dihadron production numerically when a hard parton jet produced in relativistic high energy heavy ion collision passes through strong interaction medium.It turns out that the dihadron with large invariable mass spectrum and large transverse momentum are all suppressed in the central nucleus-nucleus collision because of jet quenching effect.It is similar to the p-p collision,the produced hadron back-to-back correlation is strong for the peripheral nucleus-nucleus collision.This correlation is much weaker with decreasing the values of compact parameter.