Commissioning of the PADME experiment with a positron beam - INSPIRE

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Commissioning of the PADME experiment with a positron beam

PADME

Collaboration

•

P. Albicocco
(
- Frascati
)

May 6, 2022

23 pages

Published in:

JINST 17 (2022) 08, P08032

Published: Aug 26, 2022

e-Print:

2205.03430 [physics.ins-det]

DOI:

10.1088/1748-0221/17/08/P08032

Experiments:

PADME

View in:

ADS Abstract Service

reference search15 citations

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Abstract: (IOP)

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 ϵ 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.

Note:

submitted to JINST

Calorimeters
Dark Matter detectors (WIMPs, axions, etc.)
Timing detectors
Particle tracking detectors (Solid-state detectors)
activity report
electron positron: annihilation
PADME
calibration
programming
mixing

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Figures(26)

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