Probing new physics with μ+μ-bs at a muon collider

Jun 26, 2023
15 pages
Published in:
  • Phys.Rev.D 108 (2023) 11, 115033
  • Published: Dec 1, 2023
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Abstract: (APS)
We show that bottom-strange production at a high-energy muon collider, μ+μ-bs, is a sensitive probe of new physics. We consider the full set of four-fermion contact interactions that contribute to this process at dimension 6, and discuss the complementarity of a muon collider and of the study of rare B meson decays that also probe said new physics. If a signal were to be found at a muon collider, the forward-backward asymmetry of the b-jet provides diagnostics about the underlying chirality structure of the new physics. In the absence of a signal at a center of mass energy of 10 TeV, μ+μ-bs can indirectly probe new physics at scales close to 100 TeV. We also discuss the impact that beam polarization has on the muon collider sensitivity performance.
Note:
  • 15 Pages, 16 Figures
  • new physics
  • muon+ muon-: storage ring
  • muon+ muon-: scattering
  • effective field theory
  • operator: dimension: 6
  • four-fermion interaction
  • jet: angular distribution
  • jet: bottom
  • bottom: angular distribution
  • angular distribution: asymmetry