A liquid hydrogen target to fully characterize the new MEG II liquid xenon calorimeter

A liquid hydrogen target to fully characterize the new MEG II liquid xenon calorimeter
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液氢靶材可全面表征新型 MEG II 液氙热量计

DOI:
10.1016/j.nima.2023.168020
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发表时间:
2023
期刊:
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子:
--
通讯作者:
A. Venturini
A. Venturini
中科院分区:
--
文献类型:
--
作者:
B. Vitali;A. Papa;A. Baldini;H. Benmansour;S. Bianucci;F. Cei;M. Chiappini;G. Chiarello;G. D. Maso;M. Francesconi;L. Galli;M. Grassi;D. Grigoriev;M. Hildebrandt;M. Meuwly;D. Nicoló;F. Raffaelli;P. Schwendimann;G. Signorelli;A. Venturini

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MEG II实验旨在将对μ+→e+γ的灵敏度提高到6×10−14,超过MEG的4.2×1 0−13 UL。为了达到这种灵敏度,需要通过专门的校准来评估和监测探测器的性能。为了校准接近信号能量(52.8 MeV)的液体氙量热计,通过电荷交换(CEX)过程π−p→nπ0(→γγ)产生光子。在这里,我们介绍了用于CEX Run 2021年的液氢靶,在第一次Meg II物理运行期间。
The MEG II experiment aims to improve the sensitivity to μ+→ e+ γ down to 6× 1 0− 14, surpassing the 4. 2× 1 0− 13 UL by MEG. To achieve this sensitivity the detector performances need to be assessed and monitored via dedicated calibrations. To calibrate the Liquid Xenon Calorimeter near the signal energy (52.8 MeV), photons are produced through the Charge EXchange (CEX) process π− p→ n π 0 (→ γ γ). Here we present the liquid Hydrogen target used for the CEX run 2021, during the first MEG II physics run.
使用MEG II实验液氙伽马射线探测器时间校准计数器评估时间分辨率
DOI: --
发表时间: 2022
期刊:
影响因子: --
作者:
Akabayashi;Hideo;Shimpei Taguchi;Mirka Zvedelikova;松下彩華
通讯作者: 松下彩華