Development of compact TPC for future Super Charm-Tau Factory detector

A. Sokolov, T. Maltsev, L. Shekhtman, V. K. Vadakeppattu

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

Currently, the Budker Institute of Nuclear Physics together with Novosibirsk State University are developing the detector for the future Super Charm-Tau Factory (SCTF) to be built in Russia. SCTF is an electron–positron collider with 3.5GeV per beam and a luminosity of 1035cm−2s−1. SCTF will be instrumented with a general-purpose detector (SCTD). The innermost part of the SCTD will contain the inner tracker (IT). The main task of the IT is an extension of the lever arm of the central drift chamber, efficient detection of soft hadrons and reconstruction of secondary vertices of particles that decay in the IT volume (like Ks0, etc.). The most attractive candidate for the IT is the compact time-projection chamber (CTPC). It can be made with a very thin inner wall allowing to reduce significantly the threshold for soft hadrons. In addition, CTPC can provide the dE/dx information for the discrimination of electrons from hadrons. We present recent results on the simulation of spatial resolution and drift time of CTPC as well as space charge effects induced by positive ions.

Язык оригиналаанглийский
Номер статьи167225
ЖурналNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Том1040
DOI
СостояниеОпубликовано - 1 окт 2022

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