Beam particle tracking with a low-mass mini time projection chamber in the PEN experiment
Beam particle tracking with a low-mass mini time projection chamber in the PEN experiment
复制标题
PEN 实验中使用低质量微型时间投影室进行束流粒子跟踪
DOI:
10.1016/j.nima.2021.165460
复制
发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Kuchinsky, N.A.
中科院分区:
文献类型:
--
作者:
Glaser, C.J.;Počanić, D.;van der Schaaf, A.;Baranov, V.A.;Khomutov, N.V.;Kravchuk, N.P.;Kuchinsky, N.A.
The international PEN collaboration aims to obtain the branching ratio for the pion electronic decay π+→ e+ ν e (γ), aka π e 2, to a relative precision of 5× 1 0− 4 or better. The PEN apparatus comprises a number of detection systems, all contributing vital information to the PEN event reconstruction. This paper discusses the design, performance, and Monte Carlo simulation of the mini time projection chamber (mTPC) used for pion, muon, and positron beam particle tracking. We also review the use of the extracted trajectory coordinates in the analysis, in particular in constructing observables critical for discriminating background processes, and in maximizing the fiducial volume of the target in which decay event vertices can be accepted for branching ratio extraction without introducing bias.
DOI:
10.1136/ebmh.11.4.102
发表时间:
2008-10
期刊:
Evidence Based Mental Health
影响因子:
--
作者:
P. Cochat;L. Vaucoret;J. Sarles
通讯作者:
P. Cochat;L. Vaucoret;J. Sarles