The SIDDHARTA-2 Veto-2 system for X-ray spectroscopy of kaonic atoms at DAΦNE

被引：2

作者：

Tuechler, M. ^{[1
]}

Amsler, C. ^{[1
]}

Bazzi, M. ^{[2
]}

Bosnar, D. ^{[3
]}

Bragadireanu, M. ^{[4
]}

Cargnelli, M. ^{[1
]}

Carminati, M. ^{[5
,6
]}

Clozza, A. ^{[2
]}

Deda, G. ^{[5
,6
,7
]}

Grande, R. Del ^{[2
,8
]}

Paolis, L. De ^{[2
]}

Dulski, K. ^{[2
]}

Fabbietti, L. ^{[8
]}

Fiorini, C. ^{[7
]}

Friscic, I. ^{[3
]}

Guaraldo, C. ^{[2
]}

Iliescu, M. ^{[2
]}

Iwasaki, M. ^{[9
]}

Khreptak, A. ^{[2
]}

Manti, S. ^{[2
]}

Marton, J. ^{[1
]}

Miliucci, M. ^{[2
]}

Moskal, P. ^{[10
,11
]}

Napolitano, F. ^{[2
]}

Niedzwiecki, S. ^{[10
,11
]}

Ohnishi, H. ^{[12
]}

Piscicchia, K. ^{[2
,13
,14
]}

Sada, Y. ^{[11
]}

Scordo, A. ^{[2
]}

Sgaramella, F. ^{[2
]}

Shi, H. ^{[1
]}

Silarski, M. ^{[10
]}

Sirghi, D. ^{[2
,4
,13
,14
]}

Sirghi, F. ^{[2
,4
]}

Skurzok, M. ^{[10
,11
]}

Spallone, A. ^{[2
]}

Toho, K. ^{[12
]}

Doce, O. Vazquez ^{[2
]}

Widmann, E. ^{[1
]}

Yoshida, C. ^{[12
]}

Zmeskal, J. ^{[1
]}

Curceanu, C. ^{[2
]}

机构：

[1] Stefan Meyer Inst Subatomare Phys, Dominikanerbastei 16, A-1090 Vienna, Austria

[2] Lab Nazl Frascati, INFN, Via E Fermi 54, I-00044 Frascati, Italy

[3] Univ Zagreb, Fac Sci, Dept Phys, Bijenicka Cesta 32, Zagreb 10000, Croatia

[4] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Reactorului 30, Magurele 077125, Romania

[5] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

[6] Sez Milano, INFN, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

[7] INFN Sez Milano, Via Celoria 16, I-20133 Milan, Italy

[8] Tech Univ Munich, Phys Dept E62, James Franck Str 1, D-85748 Garching, Germany

[9] RIKEN, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[10] Jagiellonian Univ, Fac Phys Astron & Appl Comp Sci, Lojasiewicza 11, PL-30348 Krakow, Poland

[11] Jagiellonian Univ, Ctr Theranost, Krakow, Poland

[12] Tohoku Univ, Res Ctr Electron Photon Sci ELPH, Sendai, Miyagi 9820826, Japan

[13] Museo Stor Fis, Ctr Ric Enrico Fermi, Via Panisperna 89A, I-00184 Rome, Italy

[14] Ctr Studi & Ric Enrico Fermi, Via Panisperna 89A, I-00184 Rome, Italy

来源：

JOURNAL OF INSTRUMENTATION | 2023年 / 18卷 / 11期

基金：

奥地利科学基金会; 欧盟地平线“2020”; 日本学术振兴会;

关键词：

Photon detectors for UV; visible and IR photons (solid-state) (PIN diodes; APDs; Si-PMTs; G-APDs; CCDs; EBCCDs; EMCCDs; CMOS imagers; etc); Scintillators; scintillation and light emission processes (solid; gas and liquid scintillators); SCATTERING;

D O I：

10.1088/1748-0221/18/11/P11026

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Veto-2 is a fundamental component of a multiple-stage veto system for the SIDDHARTA-2 experiment installed at the DA Phi NE collider at INFN-LNF in Italy. It was developed to improve the signal-to-background ratio for the challenging measurement of X-ray transitions to the fundamental level in kaonic deuterium. Its purpose is the suppression of hadronic background in the form of Minimum Ionizing Particles by using the topological correlation between signals in the X-ray and Veto-2 detectors. The Veto-2 system consists of a barrel of plastic scintillators read out by Silicon Photomultipliers. The system performed its first successful test run within the apparatus with a helium-4 target in 2022. The efficiency of the Veto-2 was determined and found to be 0.62 +/- 0.01. The Veto-2 improved the signal-to-background ratio for the kaonic helium-4 L-alpha measurement by similar to 16%, which is crucial due to the low expected X-ray yield of kaonic deuterium.

引用

页数：16

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