Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals

deNiverville, Patrick; Lee, Hye-Sung

doi:10.1103/physrevd.100.055017

Cited by 17 publications

(5 citation statements)

References 64 publications

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“…The FASER location is currently being prepared with lighting and power, and a passarelle (stairs) and support structures are already in place to safely transport detector components around the LHC. In this location, starting in Run 3 from 2021-23, FASER will provide sensitive searches for many proposed light and very weakly-interacting particles, such as dark photons, axion-like particles, and light gauge bosons [17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Detecting and studying high-energy collider neutrinos with FASER at the LHC

et al. 2020

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Neutrinos are copiously produced at particle colliders, but no collider neutrino has ever been detected. Colliders produce both neutrinos and anti-neutrinos of all flavors at very high energies, and they are therefore highly complementary to those from other sources. FASER, the Forward Search Experiment at the LHC, is ideally located to provide the first detection and study of collider neutrinos. We investigate the prospects for neutrino studies with FASERν, a proposed component of FASER, consisting of emulsion films B. Denton and Callum Wilkinson: FASER Associate.

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Section: Introductionmentioning

confidence: 99%

Detecting and studying high-energy collider neutrinos with FASER at the LHC

et al. 2020

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“…[14][15][16] and for dark axion to Ref. [17]. For ALPs [18,19] heavier than about 1 GeV, those bounds mentioned above are not applied and much smaller Peccei-Quinn scale can be allowed.…”

Section: Introductionmentioning

confidence: 99%

Searching for axino-like particle at fixed target experiments

Choi

Inami

Kadota

et al. 2020

Physics of the Dark Universe

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We investigate the detectability of axino-like particle, which is defined as a supersymmetric partner of axion-like particle and can be a good candidate for dark matter in our Universe. Especially, we consider the fixed target experiments to search for the light axino-like particle with a neutralino as the next-to-lightest supersymmetric particle. We calculate the production and decay rate of neutralinos and the consequent number of events (such as photons and charged leptons) that are produced when the neutralinos decay to the axino-like particles.

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“…For example, in assessing the prospects for detecting a monophoton signature of dark-photon decay in the context of a dark-axion-portal model, the authors of Ref. [75] adopted a threshold E γ > 2 GeV based on com-parisons with the process in which the decay of the dark photon decay yields a e + e − pair rather than a photon. However, until a detailed monophoton study for SHiP is performed, it remains unclear precisely what threshold should be adopted in searches of this sort.…”

Section: E γmentioning

confidence: 99%

Extending the Discovery Potential for Inelastic-Dipole Dark Matter with FASER

Feng¹,

Fieg²,

Huang³

et al. 2023

Preprint

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Neutral particles are notoriously difficult to observe through electromagnetic interactions. As a result, they naturally elude detection in most collider detectors. In this paper, we point out that neutral particles that interact through a dipole interaction can nevertheless be detected in farforward detectors designed to search for long-lived particles (LLPs). In contrast to previous analyses that focused on neutral particles with elastic interactions, we consider inelastic interactions. This naturally leads to LLPs, and we demonstrate that FASER (and future experiments at the Forward Physics Facility) will be able to probe substantial regions of the associated parameter space. In particular, we find that FASER is capable of probing the region of parameter space wherein thermal freeze-out gives rise to an O(GeV) dark-matter candidate with the appropriate relic abundance, as well as regions of parameter space that are difficult to probe at fixed-target experiments. FASER and its successor experiments may therefore play a critical role in the discovery of such a dark-matter candidate.

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Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals

Cited by 17 publications

References 64 publications

Detecting and studying high-energy collider neutrinos with FASER at the LHC

Detecting and studying high-energy collider neutrinos with FASER at the LHC

Searching for axino-like particle at fixed target experiments

Extending the Discovery Potential for Inelastic-Dipole Dark Matter with FASER

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