Enubet正电子标记器原型：构造和测试灯的性能

论文标题

Enubet正电子标记器原型：构造和测试灯的性能

The ENUBET positron tagger prototype: construction and testbeam performance

论文作者

Acerbi, F., Bonesini, M., Bramati, F., Branca, A., Brizzolari, C., Brunetti, G., Capelli, S., Carturan, S., Catanesi, M. G., Cecchini, S., Cindolo, F., Collazuol, G., Conti, E., Corso, F. Dal, Delogu, C., De Rosa, G., Falcone, A., Gola, A., Jollet, C., Klicek, B., Kudenko, Y., Laveder, M., Longhin, A., Ludovici, L., Lutsenko, E., Magaletti, L., Mandrioli, G., Margotti, A., Mascagna, V., Mauri, N., Meazza, L., Meregaglia, A., Mezzetto, M., Paoloni, A., Pari, M., Parozzi, E., Pasqualini, L., Paternoster, G., Patrizii, L., Pozzato, M., Prest, M., Pupilli, F., Radicioni, E., Riccio, C., Ruggeri, A. C., Scian, C., Sirri, G., Stipcevic, M., Tenti, M., Terranova, F., Torti, M., Vallazza, E., Votano, L.

论文摘要

2018年在CERN East Area设施中测试了一个仪器衰减隧道的原型，该设施的带电颗粒高达5 GEV。该探测器是带有侧面闪烁光读数的纵向采样量热计。量热计配备了一个额外的“ $ t_0 $ layer”，用于定时和光子歧视。本文介绍了该探测器在电子能量分辨率，线性，对MUON和强子淋浴的反应方面的性能，并与模拟进行了比较。使用T_0 $ layer使用T_0 $ layer在独立模式下使用PION电荷交换以及在量热计的结合模式下进行了研究，以评估光收益率和1 MIP/2 MIP分离能力。我们证明该系统满足了中微子物理应用的要求，并讨论了性能和其他改进。

A prototype for the instrumented decay tunnel of ENUBET was tested in 2018 at the CERN East Area facility with charged particles up to 5 GeV. This detector is a longitudinal sampling calorimeter with lateral scintillation light readout. The calorimeter was equipped by an additional "$t_0$-layer" for timing and photon discrimination. The performance of this detector in terms of electron energy resolution, linearity, response to muons and hadron showers are presented in this paper and compared with simulation. The $t_0$-layer was studied both in standalone mode using pion charge exchange and in combined mode with the calorimeter to assess the light yield and the 1 mip/2 mip separation capability. We demonstrate that this system fulfills the requirements for neutrino physics applications and discuss performance and additional improvements.

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