Inclusive production of charged kaons in p plus p collisions at 158 GeV/c beam momentum and a new evaluation of the energy dependence of kaon production up to collider energies
Inclusive production of charged kaons in p plus p collisions at 158 GeV/c beam momentum and a new evaluation of the energy dependence of kaon production up to collider energies
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DOI：
10.1140/epjc/s10052-010-1328-0
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发表时间：
2010-07-01
影响因子：
4.4
通讯作者：
Wenig, S.
中科院分区：
文献类型：
--
作者：
Anticic, T.;Baatar, B.;Wenig, S.
给出了p+p相互作用中产生带电K介子的新数据。这些数据来自CERN SPS的NA49探测器在158GeV/c束流动量下获得的480万个非弹性事件的样本。介子是通过大型TPC跟踪系统中的能量损失来识别的。在横动量为0~1.7GeV/c和Feynman x为0~0.5GeV/c的范围内得到了包含不变截面。以这些数据为参考，在3GeV到p+(P)的范围内对杆对撞机能量范围内的介子产生的能量依赖性进行了新的评估。
New data on the production of charged kaons in p + p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CERN SPS at 158 GeV/c beam momentum. The kaons are identified by energy loss in a large TPC tracking system. Inclusive invariant cross sections are obtained in intervals from 0 to 1.7 GeV/c in transverse momentum and from 0 to 0.5 in Feynman x. Using these data as a reference, a new evaluation of the energy dependence of kaon production, including neutral kaons, is conducted over a range from 3 GeV to p + (p) over bar collider energies.