Probing Axion‐Like‐Particles at the CERN Gamma Factory

Balkin, Reuven; Krasny, M. W.; Ma, T.; Soreq, Yotam

doi:10.1002/andp.202100222

Cited by 7 publications

(1 citation statement)

References 68 publications

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“…Caveat: the LEP line above 100 MeV is likely extendable also in the region below 100 MeV, down to the current bound from NA64); Belle II [746]; E137 [1359]; NA64 [745]; CHARM [1410]; NuCal [744]. Curves are projections from: NA62-dump [1386]; LDMX with 8 GeV and 10 16 eot [582]; Belle II [185] for 20 fb −1 and 50 ab −1 ; SHiP [1402]; FASER [1416] and FASER2 [1068]; NA64 ++ e [1387] in visible and invisible modes; LUXE-phase 1 [1448]; HIKE-dump [1392]; Gamma Factory [1449]. interpretation of the physics reach [751] of PrimEx [750] and GlueX experiments at JLab.…”

Section: Discussionmentioning

confidence: 99%

Feebly-interacting particles: FIPs 2020 workshop report

et al. 2021

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With the establishment and maturation of the experimental programs searching for new physics with sizeable couplings at the LHC, there is an increasing interest in the broader particle and astrophysics community for exploring the physics of light and feebly-interacting particles as a paradigm complementary to a New Physics sector at the TeV scale and beyond. FIPs 2020 has been the first workshop fully dedicated to the physics of feebly-interacting particles and was held virtually from 31 August to 4 September 2020. The workshop has gathered together experts from collider, beam dump, fixed target experiments, as well as from astrophysics, axions/ALPs searches, current/future neutrino experiments, and dark matter direct detection communities to discuss progress in experimental searches and underlying theory models for FIPs physics, and to enhance the cross-fertilisation across different fields. FIPs 2020 has been complemented by the topical workshop “Physics Beyond Colliders meets theory”, held at CERN from 7 June to 9 June 2020. This document presents the summary of the talks presented at the workshops and the outcome of the subsequent discussions held immediately after. It aims to provide a clear picture of this blooming field and proposes a few recommendations for the next round of experimental results.

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Section: Discussionmentioning

confidence: 99%

Feebly-interacting particles: FIPs 2020 workshop report

et al. 2021

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Probing axion-like particles at the Electron-Ion Collider

Balkin,

Hen,

et al. 2024

J. High Energ. Phys.

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The Electron-Ion Collider (EIC), a forthcoming powerful high-luminosity facility, represents an exciting opportunity to explore new physics. In this article, we study the potential of the EIC to probe the coupling between axion-like particles (ALPs) and photons in coherent scattering. The ALPs can be produced via photon fusion and decay back to two photons inside the EIC detector. In a prompt-decay search, we find that the EIC can set the most stringent bound for ma ≲ 20 GeV and probe the effective scales Λ ≲ 105 GeV. In a displaced-vertex search, which requires adopting an EM calorimeter technology that provides directionality, the EIC could probe ALPs with ma ≲ 1 GeV at effective scales Λ ≲ 107 GeV. Combining the two search strategies, the EIC can probe a significant portion of unexplored parameter space in the 0.2 < ma < 20 GeV mass range.

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Searching dark photons using displaced vertices at Belle II — with backgrounds

Jaeckel,

Phan

2024

J. High Energ. Phys.

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Dark photons in the MeV to GeV range with kinetic mixing of the order of ≲ 10−4 − 10−3 can be produced in significant numbers at low energy colliders such as Belle II. Their decay length can be macroscopic raising the hope for a fairly clean search via displaced vertices as proposed in [1]. However, even this is not background free. Here, we calculate and discuss problematic backgrounds from displaced photon conversion and discuss their potential impact on the sensitivity. In addition we also briefly consider the dangers of prompt backgrounds.

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Probing Axion‐Like‐Particles at the CERN Gamma Factory

Cited by 7 publications

References 68 publications

Feebly-interacting particles: FIPs 2020 workshop report

Feebly-interacting particles: FIPs 2020 workshop report

Probing axion-like particles at the Electron-Ion Collider

Searching dark photons using displaced vertices at Belle II — with backgrounds

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