Monochromatic single photon events at the muon collider

Casarsa, M.; Fabbrichesi, Marco; Gabrielli, Emidio

doi:10.1103/physrevd.105.075008

Cited by 14 publications

(9 citation statements)

References 57 publications

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“…On the other hand, sensitivity to the operator O 2 is significantly enhanced at the ILC500, and reaches to a level of ∼ 10 3 TeV which is much higher than the expectation at the future Muon collider [34]. This is due to the distinctive polar angle distribution between the signal and background, as shown in Fig.…”

Section: B Significances At Ilcmentioning

confidence: 77%

“…On the other hand, the DM can also couple to SM fermions at D5 via magnetic dipole interaction (Pauli operator) [32][33][34],…”

Section: Introductionmentioning

confidence: 99%

“…So far, lower bounds on the energy scale Λ 2 has not been reported. It was shown that future muon colliders with center of mass energy (CoM) √ s = 3 TeV, 10 TeV are expected to be good experiments to study it [34].…”

Section: Introductionmentioning

confidence: 99%

“…The operator O 2 with an energy scale Λ 2 ∼ 600 TeV can be searched for at the CEPC. Compared to the sensitivities at future Muon collider[34], the CEPC can already probing most of the parameter space. For the operators O 3(4) , the 95% sensitivity to Λ 3(4)…”

mentioning

confidence: 99%

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Mono-$γ$ Production of a Vector Dark Matter at Future $e^+e^-$ Collider

Ma¹

2022

Preprint

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Associated production of a dark particle and a photon, represented as a mono-γ event, is a promising channel to probe particle contents and dynamics in the dark sector. In this paper we study properties of the mono-γ production of a vector dark matter at future e + e − colliders.The photon-like and Pauli operators, as well as triple gauge bosons interactions involving the dark matter, are considered in the framework of Effective Field Theory. We show that, comparing to the Pauli operator, the triple gauge bosons couplings are much more interesting at high energy collider.Beam polarization effects are also analyzed, and we show that the experimental sensitivities can not be enhanced significantly because of the smaller luminosity.

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Section: B Significances At Ilcmentioning

confidence: 77%

“…On the other hand, the DM can also couple to SM fermions at D5 via magnetic dipole interaction (Pauli operator) [32][33][34],…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Mono-$γ$ Production of a Vector Dark Matter at Future $e^+e^-$ Collider

Ma¹

2022

Preprint

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“…The concept can be made concrete by considering scenarios where the sensitivity to new physics stems from colliding muons, rather than electrons or other particles. An overview of such "muonspecific" opportunities is provided in Section 5.3 based on the available literature [22,[28][29][30][31][32][33][34][35][36][37]49,[96][97][98][99][100][101][102][103][104][105][106][107][108][109][110]. A brief discussion is reported below.…”

Section: Muon-specific Opportunitiesmentioning

confidence: 99%

Towards a Muon Collider

Accettura¹,

Adams²,

Agarwal³

et al. 2023

Preprint

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A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV centre of mass energy are being investigated by the recently-formed International Muon Collider Collaboration. This Review summarises the status and the recent advances on muon colliders design, physics and detector studies. The aim is to provide a global perspective of the field and to outline directions for future work.

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Associated production of neutrino and dark fermion at future lepton colliders

Ge,

Ma,

et al. 2023

J. High Energ. Phys.

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Fermionic dark matter can be pairly produced and hence searched with missing energy at colliders. We extend such probe to the associated production of a neutrino and a dark sector fermion at the future e+e− colliders such as CEPC, FCC-ee, ILC, and CLIC. Two typical processes, the mono-photon and electron-positron pair productions associated with missing energy, can serve the purpose. While the mono-photon search prevails at CEPC, FCC-ee, and ILC, the "Image missing" channel has more significant contributions at CLIC with much higher collision energy $$ \sqrt{s} $$ s . The beam polarizations can help further suppressing the SM backgrounds to enhance the signal significance while differential cross sections can distinguish the Lorentz structure of various effective operators. The combined sensitivity can reach well above 1 TeV at CEPC/FCC-ee and ILC while it further touches 30 TeV at CLIC. Comparing with the updated results from the direct detection experiments (XENON1T, PandaX-II, PandaX-4T, LZ, and XENONnT), astrophysical X/γ-ray observations, and cosmological constraints for the sub-MeV absorption dark matter, the collider searches are actually more sensitive and hence can provide a complementary approach to addressing the dark fermions.

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Monochromatic single photon events at the muon collider

Cited by 14 publications

References 57 publications

Mono-$γ$ Production of a Vector Dark Matter at Future $e^+e^-$ Collider

Mono-$γ$ Production of a Vector Dark Matter at Future $e^+e^-$ Collider

Towards a Muon Collider

Associated production of neutrino and dark fermion at future lepton colliders

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