Dilepton Invariant Mass Distribution in Central Rapidity Region

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He Zejun and Zhang Jiaju. Dilepton Invariant Mass Distribution in Central Rapidity Region[J]. Chinese Physics C, 1995, 19(S4): 421-425.
He Zejun and Zhang Jiaju. Dilepton Invariant Mass Distribution in Central Rapidity Region[J]. Chinese Physics C, 1995, 19(S4): 421-425. shu
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Received: 1994-11-24
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Dilepton Invariant Mass Distribution in Central Rapidity Region

  • Institute of Nuclear Research, The Chinese Academy of Sciences, Shanghai, China

Abstract: The Boltzmann approximation of the phase-space distribution function of quarks and pions, adopted by previous authors, is generalized to a complete expression. After calculating the density of particles based on the temperature of the central rapidity region, we study the dilepton production in Bjorken's (1+1) dimensional scaling expansion system and find that the generalized approximate distribution function significantly changes the characteristic dilepton distribution predicted when assuming quark matter formation.

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