Monte Carlo study of particle production in diffractive proton-proton collisions at √s=13 TeV with the very forward detector combined with central information
Monte Carlo study of particle production in diffractive proton-proton collisions at √s=13 TeV with the very forward detector combined with central information
复制标题
使用非常前探测器结合中心信息对 √s=13 TeV 衍射质子-质子碰撞中粒子产生的蒙特卡罗研究
DOI：
10.1140/epjc/s10052-017-4788-7
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
and Takashi Sako
中科院分区：
文献类型：
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作者：
Qi-Dong Zhou;Yoshitaka Itow;Hiroaki Menjo;and Takashi Sako
强子对撞机中的非常前向探测器对衍射过程具有独特的灵敏度，将其与中心探测器相结合，可以成为研究衍射解离的有力工具。分析了TeV量级p-p碰撞中的几个Monte Carlo模拟样本，通过前向中性粒子的微分截面，阐明了非衍射和衍射贡献的不同. VF触发事件样品中的衍射选择标准通过使用中心轨迹信息来确定。相应的选择适用于真实的实验，纯度为100%，效率为30-70%。因此，中央信息使分类的前向生产衍射和nondiffraction类别，特别是，大多数幸存的事件从选择属于低质量的衍射事件。因此，组合方法可以唯一地访问低质量衍射制度的实验。
Very forward (VF) detectors in hadron colliders, having unique sensitivity to diffractive processes, can be a powerful tool for studying diffractive dissociation by combining them with central detectors. Several Monte Carlo simulation samples inp–pcollisions atTeV were analyzed, and different nondiffractive and diffractive contributions were clarified through differential cross sections of forward neutral particles. Diffraction selection criteria in the VF-triggered-event samples were determined by using the central track information. The corresponding selection applicable in real experiments has100% purity and 30–70% efficiency. Consequently, the central information enables classification of the forward productions into diffraction and nondiffraction categories; in particular, most of the surviving events from the selection belong to low-mass diffraction events at. Therefore, the combined method can uniquely access the low-mass diffraction regime experimentally.