Journal Article GSI-2022-00489

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Search for photoproduction of axionlike particles at GlueX

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2022
Inst. Melville, NY

Physical review / D 105(5), 052007 () [10.1103/PhysRevD.105.052007]

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Report No.: arXiv:2109.13439

Abstract: We present a search for axion-like particles, $a$, produced in photon-proton collisions at a center-of-mass energy of approximately 4 GeV, focusing on the scenario where the $a$-gluon coupling is dominant. The search uses $a\to\gamma\gamma$ and $a\to\pi^+\pi^-\pi^0$ decays, and a data sample corresponding to an integrated luminosity of 168 pb$^{-1}$ collected with the GlueX detector. The search for $a\to\gamma\gamma$ decays is performed in the mass range of $180 < m_a < 480$ MeV, while the search for $a\to\pi^+\pi^-\pi^0$ decays explores the $600 < m_a < 720$ MeV region. No evidence for a signal is found, and 90% confidence-level exclusion limits are placed on the $a$-gluon coupling strength. These constraints are the most stringent to date over much of the mass ranges considered.

Classification:

Note: ISSN 2470-0029 not unique: **3 hits**. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Contributing Institute(s):
  1. FAIR Forschung NRW (FFN)
  2. Hadronenspektroskopie (HSP)
  3. PANDA Detektoren (HPD)
Research Program(s):
  1. 612 - Cosmic Matter in the Laboratory (POF4-612) (POF4-612)
Experiment(s):
  1. External experiment at external facility/ no experiment at GSI (other)

Appears in the scientific report 2022
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Document types > Articles > Journal Article
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HSD/MU > Hadron Spectroscopy
HSD/MU > PANDA Detectors
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Search for photoproduction of axion-like particles at GlueX
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 Record created 2022-03-23, last modified 2024-09-05