Model-independent study on the anomalous ZZγ and Zγγ couplings at the future muon collider


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Senol A., Spor S., Gurkanli E., Cetinkaya V., Denizli H., KÖKSAL M.

European Physical Journal Plus, cilt.137, sa.12, 2022 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 137 Sayı: 12
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1140/epjp/s13360-022-03569-8
  • Dergi Adı: European Physical Journal Plus
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, INSPEC
  • Sivas Cumhuriyet Üniversitesi Adresli: Evet

Özet

© 2022, The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature.In this study, we investigate the potential of μ-μ+→ Zγ→ νν¯ γ process at the future muon collider with a center-of-mass energy of 3 TeV to examine the anomalous ZZγ and Zγγ neutral triple gauge couplings defining CP-conserving CB~W/ Λ 4 coupling and three CP-violating CBB/ Λ 4, CBW/ Λ 4, CWW/ Λ 4 couplings. All signal and relevant background events are generated in MadGraph and passed through Pythia for parton showering and hadronization. Detector effects are also considered via tuned muon detector cards in Delphes. The effects of systematic uncertainties of 0 % , 3 % and 5 % on the sensitivities are studied. The best sensitivities obtained from the process μ-μ+→ Zγ→ νν¯ γ are [- 6.53 ; 6.64] × 10 - 2 TeV- 4 on CP-conserving CB~W/ Λ 4 coupling and [- 2.47 ; 2.47] × 10 - 2 TeV- 4, [- 8.46 ; 8.46] × 10 - 2 TeV- 4 and [- 2.20 ; 2.20] × 10 - 1 TeV- 4 on CP-conserving CBB/ Λ 4, CBW/ Λ 4, CWW/ Λ 4 couplings , respectively. Our obtained results on the anomalous neutral gauge couplings set more stringent sensitivity, ranging between 5 and 15 times than the current experimental results while slightly better than the phenomenological studies at future pp colliders such as the HL-LHC, the HE-LHC and the FCC-hh, respectively. On the other hand, we can see that the bounds on the anomalous neutral gauge couplings expected to be obtained for the future e-e+ colliders such as the CLIC are roughly 2 times better than our results.