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2024年10月30日

Variation of Multiplicity Distributions for Mean Transverse Momentum with Cutoff in Hardon-Hardon Collisions

  • Using the three-fireball model, the multiplicity distributions for mean transverse momentum in hardon-hardon collisions at s=22GeV is investigated. We find that the change from negative to positive with increasing the transverse momentum cutoff comes from the following fact the rising scope of mean transverse momentum of hardon produced by side-fire balls with increasing the cutoff is greater than that of central fire balls.
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  • [1] V.V.Aivazyan et al.(NA22),Phys,lett.,B209(1988)103;W.kittel,Proc.24th Intern.Conf.on High EnergyPhysics,Munich,Red.Rep.Germany,(1988)p.625.[2] A.Capella,Proc.Shandong Workshopon Multiparticle Production,Jinan,China,(1987)p.210;A.Capella et al.,in“Hadronic Multiparticle Production”P.Carruthers(ed.).Advanced Serieson Directionsin High Energy Physics Vol.2.(1988)p.428;A.Capella,J.Tran ThauhVan,Z.Phys,C38(1988)177;F.W.Boppetal,Phys.Rev,D33(1986)1867;F.W.Boppetal,Proc.Shandong Workshopon Multi Particle Production,Jinan,China,(1987)p.201.[3] B.Andersson et al,Nucl.Phys.B281(1987)289;B.Andersson,Proc.Shandong Workshopon Multiparticle Production,Jinan,China,(1987)p.150;B.Andersson et al,Lund Preprint TP87-6;G,Gustafson,Proc.Intern.Europhysics Conf.on High Energy Physics,Uppsala,Sweden,Vol.2,(1987)p.884;Proc.24th Intern.Conf.on High Energy Physics,Munich,Fed.Rep.Germany,(1988)p.641.[4] Liu Lianshou,Meng Tachung,Phys,Rev,D27(1983)2640.[5] CaiXu,Liu Lianshou,Lett,Nuovo Cim.,37(1983)495;CaiXu,Liu Lianshou,Meng Tachung,Phys.Rev.,D29(1984)869.[6] 蔡勖、吴元芳、刘连寿,高能物理与核物理,11(1987)554.[7] 蓝其开、刘连寿,高能物理与核物理,10(1993)934,[8] WangXin-nian,R.C.Hwa,Phys.Rev,D39(1989)187.[9] J.Whitmore,PhysRep,C10(1974)273.[10] D.Joyce et al.,Double Pomeron exchange in PP interactions at 630GeV,Proc.of XXI International symposium on Multiparticle Dynamics,Wuhan(1991).[11] M.I.Adamovich et al.(EMUO1),Parametrization of Pseudorapidity and multi-Plicity distributions in Central ultrarelativistic heavy ion interactions Proc.of the 10th EMUO1 Collaboration Meeting,Wuhan(1991).[12] J.G.Rushbrooke,CERN-EP/85-124(1985).[13] G.J.Alner et al,Z.Phys.,C33(1986)1.[14] Liu Lianshou,Qin LIhong,Zhuang Pengfei,Scientia Sinica,A29(1986)1063.[15] Wu Yuanfang,Liu Liunshou,Intern,J.of Modern.Phys.,A4(1989)4505.
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Lan Qikai and Liu Lianshou. Variation of Multiplicity Distributions for Mean Transverse Momentum with Cutoff in Hardon-Hardon Collisions[J]. Chinese Physics C, 1995, 19(9): 826-833.
Lan Qikai and Liu Lianshou. Variation of Multiplicity Distributions for Mean Transverse Momentum with Cutoff in Hardon-Hardon Collisions[J]. Chinese Physics C, 1995, 19(9): 826-833. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Variation of Multiplicity Distributions for Mean Transverse Momentum with Cutoff in Hardon-Hardon Collisions

    Corresponding author: Lan Qikai,
  • Physics Department,Zigong College of Education,Zigong,Sichuan 6430002 Institute of Particle Physics Huazhong Normal University, Wuhan 430070

Abstract: Using the three-fireball model, the multiplicity distributions for mean transverse momentum in hardon-hardon collisions at s=22GeV is investigated. We find that the change from negative to positive with increasing the transverse momentum cutoff comes from the following fact the rising scope of mean transverse momentum of hardon produced by side-fire balls with increasing the cutoff is greater than that of central fire balls.

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