LHCb 实验中缪子鉴别的性能
仪器与探测器
2013-10-30 v2 高能物理 - 实验
摘要
我们利用 、 和 衰变中产生的缪子和强子数据，提取了 LHCb 实验中缪子鉴别的性能。缪子鉴别程序基于缪子室中的击中模式。采用一种依赖于动量的二元要求，将强子被误判为缪子的概率降低至 1% 水平，同时保持缪子效率在 95-98% 范围内。作为进一步的优化，我们为缪子假设和非缪子假设构建了似然函数。通过增加对该似然函数的要求，使总缪子效率达到 93% 水平，此时强子的误判率低于 0.6%。
引用
@article{arxiv.1306.0249,
title = {Performance of the Muon Identification at LHCb},
author = {F. Archilli and W. Baldini and G. Bencivenni and N. Bondar and W. Bonivento and S. Cadeddu and P. Campana and A. Cardini and P. Ciambrone and X. Cid Vidal and C. Deplano and P. De Simone and A. Falabella and M. Frosini and S. Furcas and E. Furfaro and M. Gandelman and J. A. Hernando Morata and G. Graziani and A. Lai and G. Lanfranchi and J. H. Lopes and O. Maev and G. Manca and G. Martellotti and A. Massafferri and D. Milanes and R. Oldeman and M. Palutan and G. Passaleva and D. Pinci and E. Polycarpo and R. Santacesaria and E. Santovetti and A. Sarti and A. Satta and B. Schmidt and B. Sciascia and F. Soomro and A. Sciubba and S. Vecchi},
journal= {arXiv preprint arXiv:1306.0249},
year = {2013}
}
备注
17 pages, 10 figures