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The Muon Smasher's Guide

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arxiv 2103.14043 v1 pith:AYNFQ56X submitted 2021-03-25 hep-ph hep-ex

classification hep-phhep-ex
keywords physicscasecolliderelectroweakenergymuonrangeadvantages
verification ladder T0 review T1 audit T2 compute T3 formal
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We lay out a comprehensive physics case for a future high-energy muon collider, exploring a range of collision energies (from 1 to 100 TeV) and luminosities. We highlight the advantages of such a collider over proposed alternatives. We show how one can leverage both the point-like nature of the muons themselves as well as the cloud of electroweak radiation that surrounds the beam to blur the dichotomy between energy and precision in the search for new physics. The physics case is buttressed by a range of studies with applications to electroweak symmetry breaking, dark matter, and the naturalness of the weak scale. Furthermore, we make sharp connections with complementary experiments that are probing new physics effects using electric dipole moments, flavor violation, and gravitational waves. An extensive appendix provides cross section predictions as a function of the center-of-mass energy for many canonical simplified models.

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Discovery prospects of a singly-charged scalar at $\mu$TRISTAN

    hep-ph 2026-01 conditional novelty 6.0 of 10

    A same-sign muon collider could discover the singly-charged scalar of Type-II seesaw through a lepton-flavor-violating process, and the final lepton flavor could distinguish normal from inverted neutrino mass ordering...

  2. Precision phenomenology at multi-TeV muon colliders

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Combining QED-resummed lepton PDFs, NLO electroweak corrections, and selected NNLO vector-boson-fusion terms gives percent-level predictions for ttbar and WW production at multi-TeV muon colliders, with caveats in the...

  3. Measuring the trilinear Higgs self-coupling in Higgs boson pair production at multi-TeV muon colliders

    hep-ph 2026-08 conditional novelty 5.0 of 10

    In simulated muon-collider data, combining resolved and boosted Higgs pair events with machine learning yields a 68% confidence interval on the Higgs self-coupling modifier of 0.96 to 1.05 at 10 TeV.

  4. Vector Boson Fusion Signatures of Superheavy Majorana Neutrinos at Muon Colliders

    hep-ph 2025-06 conditional novelty 4.0 of 10

    Future muon colliders could probe heavy Majorana neutrino masses via t-channel vector boson fusion, with projected exclusions in the (mass, mixing) plane from cut-based and BDT analyses.

  5. The Forward Neutrino Flux and its Secondaries at a 10 TeV Muon Collider

    hep-ph 2026-08

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