The physics case of a 3 TeV muon collider stage

Blas, Jorge De; Buttazzo, Dario; Capdevilla, Rodolfo; Curtin, David Y.; Franceschini, R.; Maltoni, Fabio; Meade, Patrick; Meloni, F.; Su, Shufang; Vryonidou, Eleni; Wulzer, Andrea; Aimè, Chiara; Apyan, A.; Asadi, Pouya; Mahmoud, M. A.; Azatov, Aleksandr; Bartosik, N.; Bertolin, A.; Bottaro, Salvatore; Buonincontri, Laura; Casarsa, M.; Castelli, Luca; Catanesi, Maria Gabriella; Celiberto, Francesco Giovanni; Cerri, A.; Cesarotti, Cari; Chachamis, Grigorios; Chen, Siyu; Chien, Yang-Ting; Chiesa, Mauro; Costa, M.; Molin, Giacomo Da; Dasu, S.; Denisov, D.; Denizli, H.; Dermíšek, Radovan; Luzio, Luca Di; Micco, B. Di; Dienes, Keith R.; Dorigo, T.; Fabbrichesi, Marco; Fiorina, D.; Forslund, Matthew; Gabrielli, Emidio; Garosi, Francesco; Glioti, Alfredo; Greco, Mario; Greljo, Admir; Groeber, Ramona; Grojean, Christophe; Gu, Jiayin; Han, Chengcheng; Han, Tao; Hermanek, Keith; Herndon, M.; Holmes, T. R.; Homiller, Samuel; Huang, Guoyuan; Jana, Sudip; Jindariani, S.; Kahn, Yonatan; Kilian, Wolfgang; Koppenburg, P.; Kreher, Nils; Krizka, K.; Krnjaic, Gordan; Kumar, Nilanjana; Lee, Lawrence; Li, Qiang; Liu, Zhen; Long, K.; Low, Ian; Lu, Qianshu; Lucchesi, D.; Ma, Lianliang; Ma, Yan; Mantani, Luca; Marzocca, David; McGinnis, Navin; Mele, B.; Merlassino, C.; Montella, Alessandro; Nardecchia, Marco; Nardi, Federico; Panci, Paolo; Griso, S. Pagan; Panico, Giuliano; Paradisi, Paride; Pastrone, N.; Piccinini, F.; Potamianos, K.; Radicioni, E.; Rattazzi, Riccardo; Redigolo, Diego; Reina, Laura; Reuter, Jürgen; Riccardi, C.; Ricci, Lorenzo; Ristori, L.; Robens, Tania; Rodejohann, Werner; Ruiz, Richard; Queiroz, Farinaldo S.; Sala, Filippo; Šalko, Jakub; Salvini, P.; Santiago, José; Sarra, I.; Schulte, Daniel; Selvaggi, M.; Şenol, A.; Sestini, L.; Sharma, V.; Simoniello, R.; Stark, G. H.; Stolarski, Daniel; Su, Wei; Sumensari, Olcyr; Sun, X.; Tait, Tim M. P.; Tang, J.; Tesi, Andrea; Thomas, Brooks; Thompson, Emily Anne; Torre, Riccardo; Trifinopoulos, Sokratis; Vai, I.; Valenti, A.; Vittorio, Ludovico; Wang, Lian-Tao; Wu, Y.; Xie, Keping; Zhao, Xiaoran; Zurita, José

doi:10.48550/arxiv.2203.07261

Cited by 23 publications

(40 citation statements)

References 160 publications

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“…Furthermore, since there is not a study which measures the Higgs width solely with a high energy muon collider yet, we restrict ourselves to the kappa-0 framework, where no new BSM decay modes are included in the total Higgs width [3]. For the interested reader, our results for cross section sensitivities have been included in an EFT fit shown in the recent IMCC white paper [17]. 10.…”

Section: Higgs Coupling Precisionmentioning

confidence: 99%

“…In particular we focus on two cases, a 10 TeV muon collider with an integrated luminosity of 10/ab and a 3 TeV muon collider with an integrated luminosity of 1/ab. The 3 TeV option is included as a possible staging option for the International Muon Collider Collaboration (IMCC) [16,17], and additionally allows us to compare to the currently limited amount of full simulation studies that are available. This is an important point, as muon colliders present a different type of background from muons which decay in the beam, called Beam Induced Background (BIB).…”

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confidence: 99%

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High Precision Higgs from High Energy Muon Colliders

Forslund,

Meade

2022

Preprint

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Muon colliders are an exciting possibility for reaching the highest energies possible on the shortest timescale. They potentially combine the greatest strengths of e + e − and pp colliders by bridging the energy versus precision dichotomy. In this paper we study the sensitivity of Higgs properties that can be achieved with a future 3 or 10 TeV muon collider from single Higgs production. The results presented here represent the first comprehensive picture for the precision achievable including backgrounds and using fast detector simulation with Delphes. Additionally, we compare the results of fast detector simulation with available full simulation studies that include the muon collider specific Beam Induced Background, and show the results are largely unchanged. We comment on some of the strengths and weaknesses of a high energy muon collider for Higgs physics alone, and demonstrate the complementarity of such a collider with the LHC and e + e − Higgs factories. Furthermore, we discuss some of the exciting avenues for improving future results from both theoretical and detector R&D that could be undertaken.

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Section: Higgs Coupling Precisionmentioning

confidence: 99%

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confidence: 99%

High Precision Higgs from High Energy Muon Colliders

Forslund,

Meade

2022

Preprint

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“…The decays of the muons also lead to a large "beam-induced background" (BIB), which must be effectively mitigated by a combination of shielding and precision timing in the detectors [74]. Recent advances have begun demonstrating that these challenges can be overcome [75][76][77][78], however, coinciding with a surge of interest in the physics potential of a high-energy muon collider facility [4,5,[79][80][81].…”

Section: The Mssm At a High-energy Muon Collidermentioning

confidence: 99%

Complementary Signals of Lepton Flavor Violation at a High-Energy Muon Collider

Homiller,

Lu,

Reece

2022

Preprint

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A muon collider would be a powerful probe of flavor violation in new physics. There is a strong complementary case for collider measurements and precision low-energy probes of lepton flavor violation (as well as CP violation). We illustrate this by studying the collider reach in a supersymmetric scenario with flavor-violating slepton mixing. We find that the collider could discover sleptons and measure the slepton and neutralino masses with high precision, enabling event reconstruction that could cleanly separate flavor-violating new physics signals from Standard Model backgrounds. The discovery reach of a high-energy muon collider would cover a comparably large, and overlapping, range of parameter space to future µ → e conversion and electron EDM experiments, and unlike precision experiments could immediately shed light on the nature of new physics responsible for flavor violation. This complementarity strengthens the case that a muon collider could be an ideal energy-frontier laboratory in the search for physics beyond the Standard Model.

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“…Comparisons of the sensitivity of future colliders for these measurements is an important input in comparing different proposals for future colliders. For example, Table 1 contains such a comparison, using numbers from the Higgs@FutureColliders study for the European Strategy Report [1], as well as muon collider sensitivities from [2][3][4][5].…”

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confidence: 99%

“…Approximate 2σ sensitivities for Higgs couplings obtained by doubling the 1σ sensitivities reported in the Higgs@FutureColliders study [1]. The muon collider numbers use numbers from [2][3][4][5]. The sensitivities are obtained under the assumption that there are no additional light states that the Higgs decays into ('kappa-0 scenario').…”

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confidence: 99%

Snowmass 2021 White Paper: Higgs Coupling Sensitivities and Model-Independent Bounds on the Scale of New Physics

Abu-Ajamieh¹,

Chang²,

Miranda³

et al. 2022

Preprint

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In this Snowmass white paper, we describe how unitarity bounds can convert sensitivities for Higgs couplings at future colliders into sensitivities to the scale of new physics. This gives a model-independent consequence of improving these sensitivities and illustrate the impact they would have on constraining new physics. Drawing upon past successful applications of unitarity as a guide for future colliders (e.g. the Higgs mass bound and discovering it at the LHC), we hope this data will be useful in the planning for next generation colliders.

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The physics case of a 3 TeV muon collider stage

Cited by 23 publications

References 160 publications

High Precision Higgs from High Energy Muon Colliders

High Precision Higgs from High Energy Muon Colliders

Complementary Signals of Lepton Flavor Violation at a High-Energy Muon Collider

Snowmass 2021 White Paper: Higgs Coupling Sensitivities and Model-Independent Bounds on the Scale of New Physics

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