70 GeV pA 相互作用中$D^{\pm}$介子产生的探测
高能物理 - 实验
2013-11-11 v1 核实验
摘要
本文展示了 SERP-E-184 实验数据的分析结果，该实验利用 70 GeV 质子束辐照带有碳、硅和铅板的活性靶获得。针对三叉带电粲介子衰变，开发了事件选择标准，并使用 FRITIOF7.02 和 GEANT3.21 程序通过详细模拟计算了探测效率。发现了衰变信号，并估算了近阈值能量下的粲夸克产生 inclusively 截面。测量了寿命和截面的 A 依赖性。给出了 D 介子的产额及其比值，并与其他实验数据和理论预测进行了比较。
引用
@article{arxiv.1311.1960,
title = {Detection of $D^{\pm}$ mesons production in pA-interactions at 70 GeV},
author = {2 Collaboration and A. Aleev and E. Ardashev and A. Afonin and V. Balandin and S. Basiladze and S. Berezhnev and G. Bogdanova and M. Bogolyubsky and G. Ermakov and P. Ermolov and N. Furmanec and V. Golovkin and S. Golovnia and S. Gorokhov and N. Grishin and Ya. Grishkevich and D. Karmanov and A. Kholodenko and V. Kireev and A. Kiriakov and N. Kouzmine and V. Kramarenko and A. Kubarovsky and L. Kurchaninov and G. Lanshikov and A. Leflat and S. Lyutov and M. Merkin and G. Mitrofanov and V. Petrov and Yu. Petukhov and A. Pleskach and V. Popov and V. Ronjin and V. Ryadovikov and V. Senko and N. Shalanda and M. Soldatov and L. Tikhonova and Yu. Tsyupa and A. Vischnevskaya and V. Volkov and A. Vorobiev and A. Voronin and V. Yakimchuk and A. Yukaev and V. Zapolsky and E. Zverev},
journal= {arXiv preprint arXiv:1311.1960},
year = {2013}
}
备注
to appear in the proceedings of The 6th International Workshop on Charm Physics (CHARM 2013)