Axion-Like Particles at the ILC Giga-Z

Steinberg, Noah; Wells, James D.

doi:10.1007/jhep08(2021)120

Cited by 7 publications

(5 citation statements)

References 33 publications

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“…For both cases, it can be seen that the ILC beam dump experiment has higher sensitivity than the E137 experiment in all parameter region because of a large amount of shower photons. These sensitivities are highly complimentary to the future lepton collider experiments [28][29][30]. The ALPs are produced at e + e − colliders by processes e + e − → aγ, aZ, aH, and larger coupling and mass regions compared with the beam dump experiment will be constrained.…”

Section: Jhep09(2021)183mentioning

confidence: 89%

New physics searches at the ILC positron and electron beam dumps

Asai

Iwamoto

Sakaki

et al. 2021

J. High Energ. Phys.

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We study capability of the ILC beam dump experiment to search for new physics, comparing the performance of the electron and positron beam dumps. The dark photon, axion-like particles, and light scalar bosons are considered as new physics scenarios, where all the important production mechanisms are included: electron-positron pair-annihilation, Primakoff process, and bremsstrahlung productions.We find that the ILC beam dump experiment has higher sensitivity than past beam dump experiments, with the positron beam dump having slightly better performance for new physics particles which are produced by the electron-positron pair-annihilation.

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Section: Jhep09(2021)183mentioning

confidence: 89%

New physics searches at the ILC positron and electron beam dumps

Asai

Iwamoto

Sakaki

et al. 2021

J. High Energ. Phys.

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“…Thus, ultimate 10-100 improvements in the ALPs bounds are expected at the LHC with ALP-photon couplings approaching g aγ ≈ 10 −3 TeV −1 (or, ideally, ALP discovery) relatively uniformly over m a ≈ 1 GeV-5 TeV. Going to lower couplings for axion-like particles with masses in the multi-GeV regime, will require a next generation of e + e − colliders such as FCC-ee [665], and ILC [666].…”

Section: Discussionmentioning

confidence: 99%

Feebly-Interacting Particles:FIPs 2020 Workshop Report

Agrawal,

Bauer,

Beacham

et al. 2021

Preprint

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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.a Member of the Organising Committee of FIPs2020 workshop, https://indico.cern.ch/event/864648/.b Member of the Organising Committee of "PBC meets theory" workshop, https://indico.cern.ch/event/910753/.

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“…To reconstruct collimated pair of photons from the light ALP decay, a peak separation of R(γ , γ ) = 4 m π E π = 0.035 is taken in Ref. [50], where m π and E π represent the mass and energy of π 0 , and we can see that if R(γ , γ ) is smaller than 0.035, making photon pair reconstruction challenging. In our work, the peak of the normalized distribution of R(γ , γ ) is near 0.06 which allows for sufficient separation for both photons in the pair at M a = 5 GeV.…”

Section: Search For Alp At the Clicmentioning

confidence: 99%

Production of axion-like particles via vector boson fusion at future electron-positron colliders

2022

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One kind of particularly interesting pseudoscalar particles, called axion-like particles (ALPs), have rich physical phenomenology at high- and low-energy collider experiments. After discussing most of single production channels of ALP at electron-positron colliders, we investigate the possibility of detecting this kind of new particles through the W$$^{+}$$ + W$$^{-}$$ - fusion process e$$^{+}$$ + e$$^{-}$$ - $$\rightarrow $$ → $${\overline{\nu }}_{e}$$ ν ¯ e $$\nu _{e}a$$ ν e a $$(\rightarrow \gamma \gamma )$$ ( → γ γ ) at the CLIC. The 3$$\sigma $$ σ and 5$$\sigma $$ σ bounds on the ALP parameter space at the three energy stages of the CLIC are obtained. We find that the bounds given by the CLIC are complementary to the existing experiments exclusion regions.

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Axion-Like Particles at the ILC Giga-Z

Cited by 7 publications

References 33 publications

New physics searches at the ILC positron and electron beam dumps

New physics searches at the ILC positron and electron beam dumps

Feebly-Interacting Particles:FIPs 2020 Workshop Report

Production of axion-like particles via vector boson fusion at future electron-positron colliders

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