Influnce of the Particle Distribution on the Rate of S-Quark and K -Meson Production

  • Based on an expanding pure hot quark-gluon plasma fireball which is created by ultrarelativistic heavy-ion collisions,considering the internal occupation number of particle,using relativistic hydrodynamic equation,we investigated the rate of s-quark and K -meson production.It is shown that the particle distributions enhance the rate strongly.
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  • [1] G. F. Chapline,M. Naueaberg, Nature, 264(1976), 235.[2] S. Nagamiya, Nucl. Phys., A488(1988), 3c.[3] P. Koch, B.Muller and J. Rafelski, Phys. Rep., 142(1986), 167.[4] U. Heinz.K. S.Lee and M. J. Rhodes-Brown, Phys. Rev. lett., 58(1987), 2292.[5] J. Kapusta, Quark Matter Formation and Heavy-ion Collisions (Proceeding of the Bieleted Workshop, blay 1982), 115.[6] L. D. Landau and F. M. Lifshitz, 1959, Coures of Theoretical Physics Vol. 6 auth trans from Russian, J.B. Sykes and W. H. Reid ch xv(Oxford: Pergaman).[7] Zejun He, JiajuZhang, Panlin Li and Xijun Qiu, J. Phys., C: Nucl. Part. Phys., 16(1990), L179.[8] S. P. Baranov,L. V. Filkov, Z. Phys., C44(1989), 227.[9] C. M. Ko and L. H. Xia, Nucl. Phys., A498(1989), 561c.在这篇文章中, 作者给出了在强子相π, K, N, 等各种介子和强子的产生数, 可以看出主要置献是二介子.[10] B.Miiller and J. Rafelski, Phys. Rev. Lett., 48(1982), 1066.[11] J.Kapusta, A. Mekjian, Phys. Rev.,D33(1986), 1304.[12] 江德宝, 贺泽君, “在极端相对论性原子核碰撞中奇异粒子的演化”《高能物理与核物理》, 将发表.[13] J. D. Biorken, Phys. Rev.,D27(1982), 140.[14] J. P. Bondorf, S. I, A, Garpman and J. Zimangi, Nucl. Phys, A296(1978), 320.
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ZHOU Bao-Sen and HE Ze-Jun. Influnce of the Particle Distribution on the Rate of S-Quark and K -Meson Production[J]. Chinese Physics C, 1991, 15(11): 1049-1052.
ZHOU Bao-Sen and HE Ze-Jun. Influnce of the Particle Distribution on the Rate of S-Quark and K -Meson Production[J]. Chinese Physics C, 1991, 15(11): 1049-1052. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Influnce of the Particle Distribution on the Rate of S-Quark and K -Meson Production

    Corresponding author: ZHOU Bao-Sen,
  • Shanghai Institute of Nuclear Research,Academia Sinica 201800

Abstract: Based on an expanding pure hot quark-gluon plasma fireball which is created by ultrarelativistic heavy-ion collisions,considering the internal occupation number of particle,using relativistic hydrodynamic equation,we investigated the rate of s-quark and K -meson production.It is shown that the particle distributions enhance the rate strongly.

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