Chinese Physics C > 1990, Vol. 14 > Issue(2): 145-151

EVEN-ODD CHARGED MULTIPLICITY DISTRIBUTIONS AND ENERGY DEPENDENCE OF NORMALIZED MULTIPLICITY MOMENTS IN DIFERENT RAPIDITY WINDOWS

WU Yuan-Fang^,,
LIU Lian-Shou

Institute of Particle Physics,Hua-Zhong Normal University,Wuhan

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Abstract：
The even and odd multiplicity distributions for hadron-hadron collision in different rapidity windows are calculated,starting from a simple picture for charge correlation with nonzero correlation length.The coincidence and separation of these distributions are explained.The calculated window-and energy-dependence of normalized moments recover the behaviour found in experiments.A new definition for normalized moments is propossed,especially suitable for narrow rapidity windows.

References

[1]

G. J. Alner et al (UA5 Collaboratrion), Phys. Lett., 160B(1985), 193[2] A. Bialas, R. Peschanski, Nucl. Phys., B273 (1986), 703; B308 (1988), 857; Phys. Lett., 207B(1988) 59.[3] M. Adamus, et al., Z. Phys., C37 (1988), 215.[4] R. E. Ansorge et al (UA5 Collaboration), Zeit. Phys., C(1989), to be published.[5] Cai Xu,Chao Weiqin and Meng Tachuug, Phys.Rev., D33(1986), 1287.[6] Arnisou,G. et al, (UA1 Collabration), ibid.,123B (1983).[7] Rushbrooke, J. G., in Proceeding of the XIV International Symposium on Multiparticle Dynamics Lake Jahone, 1983.[8] Liu Lianshou and Meng Tachung, Phys. Rev., D27 (1983), 2640; Chou Kuangchao, Liu Lianshou and Meng Tachung, Phys. Rev，D28(1983), 1080.[9] 蔡易、吴元芳和刘连寿，《高能物理与核物理》,11(1987),554,[10] Rudolph C. Hwa, Preprint OITS 407, March 1989.

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WU Yuan-Fang and LIU Lian-Shou. EVEN-ODD CHARGED MULTIPLICITY DISTRIBUTIONS AND ENERGY DEPENDENCE OF NORMALIZED MULTIPLICITY MOMENTS IN DIFERENT RAPIDITY WINDOWS[J]. Chinese Physics C, 1990, 14(2): 145-151.

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Received: 1900-01-01
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

EVEN-ODD CHARGED MULTIPLICITY DISTRIBUTIONS AND ENERGY DEPENDENCE OF NORMALIZED MULTIPLICITY MOMENTS IN DIFERENT RAPIDITY WINDOWS

WU Yuan-Fang^,
LIU Lian-Shou

Corresponding author:WU Yuan-Fang,

Institute of Particle Physics,Hua-Zhong Normal University,Wuhan

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1990-02-05

Abstract:The even and odd multiplicity distributions for hadron-hadron collision in different rapidity windows are calculated,starting from a simple picture for charge correlation with nonzero correlation length.The coincidence and separation of these distributions are explained.The calculated window-and energy-dependence of normalized moments recover the behaviour found in experiments.A new definition for normalized moments is propossed,especially suitable for narrow rapidity windows.