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arXiv 1012.2608nucl-thnucl-ex
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中能重离子碰撞中弹性和非弹性NN散射截面对π-/π +比的影响

Effects of elastic and inelastic NN scattering cross sections on pion-/pion+ ratios in heavy-ion collisions at intermediate energies

Gao-Chan Yong

摘要:

基于同位旋相关的Boltzmann-Uehling-Uhlenbeck输运模型和核子有效质量标度模型,研究了能量为400 MeV/核子的Ca 48 + Ca 48丰中子反应中弹性和非弹性NN散射截面对π介子/π介子+的影响.结果表明,NN弹性散射和非弹性散射的截面效应影响Δ 1232、π-和π +的产生以及π-/π +的值.

英文摘要:

Based on the isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model and the scaling model according to nucleon effective mass, effects of elastic and inelastic NN scattering cross sections on pion-/pion+ in the neutron-rich reaction of Ca48+Ca48 at a beam energy of 400 MeV/nucleon are studied. It is found that cross-section effects of both NN elastic and inelastic scatterings affect Delta_1232, pion- and pion+ production, as well as the value of pion-/pion+.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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