A Muon-Ion Collider at BNL: the future QCD frontier and path to a new energy frontier of $μ^+μ^-$ colliders

Acosta, Darin; Li, Wei

doi:10.48550/arxiv.2107.02073

Cited by 6 publications

(11 citation statements)

References 29 publications

(46 reference statements)

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“…ref. [93]. This higher energy machine would also allow for interesting probes of BSM physics, including HNLs with primarily muon-flavor mixing, and it would be worth exploring this in detail.…”

Section: Discussion and Outlookmentioning

confidence: 99%

Heavy neutral leptons at the Electron-Ion Collider

Batell

Ghosh

Han

et al. 2023

J. High Energ. Phys.

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The future Electron-Ion Collider (EIC) at Brookhaven National Laboratory, along with its primary capacity to elucidate the nuclear structure, will offer new opportunities to probe physics beyond the Standard Model coupled to the electroweak sector. Among the best motivated examples of such new physics are new heavy neutral leptons (HNLs), which are likely to play a key role in neutrino mass generation and lepton number violation. We study the capability of the EIC to search for HNLs, which can be produced in electron- proton collisions through charged current interactions as a consequence of their mixing with light neutrinos. We find that, with the EIC design energy and integrated luminosity, one is able to probe HNLs in the mass range of 1 – 100 GeV with mixing angles down to the order of 10−4 − 10−3 through the prompt decay signatures, and in the mass range of 1 10 GeV with |Ue|2 ~ 10−6 – 10−4 via the displaced decay signatures. We also consider the invisible mode where an HNL is undetected or decaying to dark sector particles. One could potentially probe heavy HNLs for mixing angles in the window 10−3 – 10−2, provided SM background systematics can be brought under control. These searches are complementary to other probes of HNLs, such as neutrino-less double-β decay, meson decay, fixed-target, and high-energy collider experiments.

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Section: Discussion and Outlookmentioning

confidence: 99%

Heavy neutral leptons at the Electron-Ion Collider

Batell

Ghosh

Han

et al. 2023

J. High Energ. Phys.

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show abstract

“…Ref. [83]. This higher energy machine would also allow for interesting probes of BSM physics, including HNLs with primarily muon-flavor mixing, and it would be worth exploring this in detail.…”

Section: Discussion and Outlookmentioning

confidence: 99%

Heavy Neutral Leptons at the Electron-Ion Collider

Batell¹,

Ghosh²,

Han³

et al. 2022

Preprint

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The future Electron-Ion Collider (EIC) at Brookhaven National Laboratory, along with its primary capacity to elucidate the nuclear structure, will offer new opportunities to probe physics beyond the Standard Model coupled to the electroweak sector. Among the best motivated examples of such new physics are new heavy neutral leptons (HNLs), which are likely to play a key role in neutrino mass generation and lepton number violation. We study the capability of the EIC to search for HNLs, which can be produced in electronproton collisions through charged current interactions as a consequence of their mixing with light neutrinos. We find that, with the EIC design energy and integrated luminosity, one is able to probe HNLs in the mass range of 1 GeV−100 GeV with mixing angles down to the order of 10 −4 − 10 −3 through the prompt decay, and 10 −6 − 10 −4 via the displaced decay signatures. We also consider the invisible mode where an HNL is undetected or decaying to dark sector particles. One could potentially probe heavy HNLs for mixing angles in the window 10 −3 − 10 −2 , provided SM background systematics can be brought under control. These searches are complementary to other probes of HNLs, such as neutrino-less double-β decay, meson decay, fixed-target, and high-energy collider experiments.

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“…A possible scientific target for an intermediate step toward the ultimate development of a multi-TeV muon collider is that of a muon-proton and muon-nucleus collider facility, referred to as a mu-ion collider, as discussed in refs. [321,322]. Such a facility could utilize the existing hadron accelerator infrastructure at laboratories such as BNL (as an upgrade to the planned Electron-Ion Collider), CERN (using the LHC), or Fermilab while seeding, or leveraging, the development of a high energy and high intensity muon storage ring at the same site.…”

Section: Muon-ion Collidermentioning

confidence: 99%

Muon Collider Forum report

Black,

Jindariani,

et al. 2024

J. Inst.

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A multi-TeV muon collider offers a spectacular opportunity in the direct exploration of the energy frontier. Offering a combination of unprecedented energy collisions in a comparatively clean leptonic environment, a high energy muon collider has the unique potential to provide both precision measurements and the highest energy reach in one machine that cannot be paralleled by any currently available technology. The topic generated a lot of excitement in Snowmass meetings and continues to attract a large number of supporters, including many from the early career community. In light of this very strong interest within the US particle physics community, Snowmass Energy, Theory and Accelerator Frontiers created a cross-frontier Muon Collider Forum in November of 2020. The Forum has been meeting on a monthly basis and organized several topical workshops dedicated to physics, accelerator technology, and detector R&D. Findings of the Forum are summarized in this report.

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A Muon-Ion Collider at BNL: the future QCD frontier and path to a new energy frontier of $μ^+μ^-$ colliders

Cited by 6 publications

References 29 publications

Heavy neutral leptons at the Electron-Ion Collider

Heavy neutral leptons at the Electron-Ion Collider

Heavy Neutral Leptons at the Electron-Ion Collider

Muon Collider Forum report

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