Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Masashi Aiko"'
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 6, Pp 1-18 (2024)
Abstract We study the photophobic ALP model in high-mass regions under LHC Run-II. Since the ALP is predominantly coupled with electroweak gauge bosons such as ZZ, WW, and Zγ, and less with di-photon, the model may be probed via multi-boson final-st
Externí odkaz:
https://doaj.org/article/08e46211a7ea4784be67bb5b308aabf3
Autor:
Masashi Aiko, Motoi Endo
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 11, Pp 1-23 (2023)
Abstract We study axion-like particle contributions to the Higgs boson decays. The particle is assumed to couple with the standard model electroweak gauge bosons. Although direct productions of axion-like particles have often been discussed, we inves
Externí odkaz:
https://doaj.org/article/d3be354230974fafa5c8a43004e4aec2
Autor:
Masashi Aiko, Motoi Endo
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 5, Pp 1-31 (2023)
Abstract We study the contributions of an axion-like particle to the electroweak precision observables. The particle is assumed to couple with the standard model electroweak gauge bosons. We provide the formulae of the contributions valid for any mas
Externí odkaz:
https://doaj.org/article/b7de4f056e084733a841584625c57f4c
Publikováno v:
Nuclear Physics B, Vol 986, Iss , Pp 116047- (2023)
We calculate radiative corrections to decay rates of CP-odd Higgs boson A for various decay modes in the four types of two Higgs doublet models with the softly broken discrete Z2 symmetry. The decay branching ratios are evaluated at the next-to-leadi
Externí odkaz:
https://doaj.org/article/ef0c723b408c4d1992522ba9d5937c02
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 81, Iss 11, Pp 1-27 (2021)
Abstract We present the cross section for $$e^{+}e^{-}\rightarrow hZ$$ e + e - → h Z with arbitrary sets of electron and Z boson polarizations at the full next-to-leading order in various extended Higgs models, such as the Higgs singlet model (HSM)
Externí odkaz:
https://doaj.org/article/4afcbbefaff9411d943408c2737828c4
Autor:
Masashi Aiko, Shinya Kanemura
Publikováno v:
Journal of High Energy Physics, Vol 2021, Iss 2, Pp 1-29 (2021)
Abstract We investigate a new scenario of the two Higgs doublet model, where the current experimental data for the electroweak rho parameter and those for the Higgs boson couplings can be simultaneously explained. In this scenario, the two Higgs doub
Externí odkaz:
https://doaj.org/article/624bc599a88d4614b90891d73e0a396b
Publikováno v:
Nuclear Physics B, Vol 973, Iss , Pp 115581- (2021)
We calculate the next-to-leading order (NLO) electroweak (EW) corrections to decay rates of charged Higgs bosons for various decay modes in the four types of two Higgs doublet models (THDMs) with the softly broken discrete Z2 symmetry. Decay branchin
Externí odkaz:
https://doaj.org/article/d3bdf629e8534c289196a4426d217155
Publikováno v:
Nuclear Physics B, Vol 966, Iss , Pp 115375- (2021)
We discuss a possibility that the parameter space of the two Higgs doublet model is significantly narrowed down by considering the synergy between direct searches for additional Higgs bosons at the LHC and its luminosity upgraded operation and precis
Externí odkaz:
https://doaj.org/article/038932685681468e9ebf1ba1896d78a5
Publikováno v:
Physics Letters B, Vol 797, Iss , Pp - (2019)
We propose a novel process where singly charged Higgs bosons are produced in a same-sign pair via vector boson fusion at hadron colliders in two Higgs doublet models. The process directly relates to the global symmetry structure of the Higgs potentia
Externí odkaz:
https://doaj.org/article/c4c92c90ef98470e94ab0c99e69637ec
Autor:
Masashi Aiko
Publikováno v:
Springer Theses ISBN: 9789819913237
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bac574dc141b94c7d5659975fd4480c8
https://doi.org/10.1007/978-981-99-1324-4_7
https://doi.org/10.1007/978-981-99-1324-4_7
