Commissioning of the PADME experiment with a positron beam

被引：7

作者：

Albicocco, P. ^{[1
]}

Assiro, R. ^{[2
]}

Bossi, F. ^{[1
]}

Branchini, P. ^{[3
]}

Buonomo, B. ^{[1
]}

Capirossi, V ^{[4
,5
]}

Capitolo, E. ^{[1
]}

Capoccia, C. ^{[1
]}

Caricato, A. P. ^{[2
,6
]}

Ceravolo, S. ^{[1
]}

Chiodini, G. ^{[2
,12
]}

Corradi, G. ^{[1
]}

De Sangro, R. ^{[1
]}

Di Giulio, C. ^{[1
]}

Domenici, D. ^{[1
]}

Ferrarotto, F. ^{[7
]}

Fiore, S. ^{[7
,8
]}

Finocchiaro, G. ^{[1
]}

Foggetta, L. G. ^{[1
]}

Frankenthal, A. ^{[9
]}

Garattini, M. ^{[1
]}

Georgiev, G. ^{[10
,11
]}

Giacchino, F. ^{[1
,12
]}

Ghigo, A. ^{[1
]}

Gianotti, P. ^{[1
]}

Gontad, F. ^{[2
,6
]}

Iazzi, F. ^{[4
,5
]}

Ivanov, S. ^{[11
]}

Ivanov, Sv ^{[11
]}

Kozhuharov, V ^{[1
,11
]}

Leonardi, E. ^{[7
]}

Long, E. ^{[13
]}

Martini, M. ^{[1
,14
]}

Martino, M. ^{[2
,6
]}

Miccoli, A. ^{[6
]}

Oceano, I ^{[2
,6
]}

Oliva, F. ^{[2
,6
]}

Organtini, G. C. ^{[13
]}

Pinna, F. ^{[4
,5
]}

Piperno, G. ^{[13
]}

Pinto, C. ^{[2
,6
]}

Raggi, M. ^{[13
]}

Tehrani, F. Safai ^{[7
]}

Saputi, A. ^{[1
]}

Sarra, I ^{[1
]}

Sciascia, B. ^{[1
]}

Simeonov, R. ^{[11
]}

Spadaro, T. ^{[1
]}

Spagnolo, S. ^{[2
,6
]}

Spiriti, E. ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, Via E Fermi 54, Frascati, Italy

[2] Ist Nazl Fis Nucl, Sez Lecce, Via Prov Arnesano, Lecce, Italy

[3] Ist Nazl Fis Nucl, Sez Roma 3, Via Vasca Navale 84, Rome, Italy

[4] Politecn Torino, DISAT, Cso Duca Degli Abruzzi 24, Turin, Italy

[5] Ist Nazl Fis Nucl, Sez Torino, Cso Duca Degli Abruzzi 24, Turin, Italy

[6] Univ Salento, Dipartimento Matemat & Fis, Via Prov Arnesano, Lecce, Italy

[7] Ist Nazl Fis Nucl, Sez Roma 1, Ple A Moro 2, Rome, Italy

[8] ENEA Frascati, Via E Fermi 45, Frascati, Italy

[9] Princeton Univ, Dept Phys, Washington Rd, Princeton, NJ 08544 USA

[10] Bulgarian Accademy Sci, INRNE, 72 Tsarigradsko Shosse Blvd, Sofia, Bulgaria

[11] Sofia Univ St Kl Ohridski, 5 J Bourchier Blvd, Sofia, Bulgaria

[12] Ist Nazl Fis Nucl, Sez Roma 2, Via Ric Sci 1, Rome, Italy

[13] Sapienza Univ Roma, Dipartimento Fis, Ple A Moro 2, Rome, Italy

[14] Univ Guglielmo Marconi, DSI, Via Plinio 44, Rome, Italy

来源：

JOURNAL OF INSTRUMENTATION | 2022年 / 17卷 / 08期

关键词：

Calorimeters; Dark Matter detectors (WIMPs; axions; etc.); Timing detectors; Particle tracking detectors (Solid-state detectors); PERFORMANCE;

D O I：

10.1088/1748-0221/17/08/P08032

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The PADME experiment is designed to search for a hypothetical dark photon A' produced in positron-electron annihilation using a bunched positron beam at the Beam Test Facility of the INFN Laboratori Nazionali di Frascati. The expected sensitivity to the A'-photon mixing parameter epsilon is 10(-3), for A' mass <= 23.5 MeV/c(2) after collecting -10(13) positrons-on-target. This paper presents the PADME detector status after commissioning in July 2019. In addition, the software algorithms employed to reconstruct physics objects, such as photons and charged particles, and the calibration procedures adopted are illustrated in detail. The results show that the experimental apparatus reaches the design performance, and is able to identify and measure standard electromagnetic processes, such as positron bremsstrahlung and electron-positron annihilation into two photons.

引用

页数：24

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