Gauge invariant one-loop corrections to Higgs boson couplings in nonminimal Higgs models
We comprehensively evaluate renormalized Higgs boson couplings at one-loop level in nonminimal Higgs models such as the Higgs singlet model (HSM) and the four types of two Higgs doublet models (THDMs) with a softly broken Z2 symmetry. The renormalization calculation is performed in the on-shell sche...
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| Veröffentlicht in: | Physical review. D 2017-08, Vol.96 (3), Article 035014 |
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| container_title | Physical review. D |
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| creator | Kanemura, Shinya Kikuchi, Mariko Sakurai, Kodai Yagyu, Kei |
| description | We comprehensively evaluate renormalized Higgs boson couplings at one-loop level in nonminimal Higgs models such as the Higgs singlet model (HSM) and the four types of two Higgs doublet models (THDMs) with a softly broken Z2 symmetry. The renormalization calculation is performed in the on-shell scheme improved by using the pinch technique to eliminate the gauge dependence in the renormalized couplings. We first review the pinch technique for scalar boson two-point functions in the standard model (SM), the HSM and the THDMs. We then discuss the difference in the results of the renormalized Higgs boson couplings between the improved on-shell scheme and the ordinal one with a gauge dependence appearing in mixing parameters of scalar bosons. Finally, we widely investigate how we can identify the HSM and the THDMs focusing on the pattern of deviations in the renormalized Higgs boson couplings from predictions in the SM. |
| doi_str_mv | 10.1103/PhysRevD.96.035014 |
| format | Article |
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The renormalization calculation is performed in the on-shell scheme improved by using the pinch technique to eliminate the gauge dependence in the renormalized couplings. We first review the pinch technique for scalar boson two-point functions in the standard model (SM), the HSM and the THDMs. We then discuss the difference in the results of the renormalized Higgs boson couplings between the improved on-shell scheme and the ordinal one with a gauge dependence appearing in mixing parameters of scalar bosons. Finally, we widely investigate how we can identify the HSM and the THDMs focusing on the pattern of deviations in the renormalized Higgs boson couplings from predictions in the SM.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.96.035014</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Bosons ; Couplings ; Dependence ; Higgs bosons ; Parameter identification ; Quantum theory ; Quarks</subject><ispartof>Physical review. 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D</title><description>We comprehensively evaluate renormalized Higgs boson couplings at one-loop level in nonminimal Higgs models such as the Higgs singlet model (HSM) and the four types of two Higgs doublet models (THDMs) with a softly broken Z2 symmetry. The renormalization calculation is performed in the on-shell scheme improved by using the pinch technique to eliminate the gauge dependence in the renormalized couplings. We first review the pinch technique for scalar boson two-point functions in the standard model (SM), the HSM and the THDMs. We then discuss the difference in the results of the renormalized Higgs boson couplings between the improved on-shell scheme and the ordinal one with a gauge dependence appearing in mixing parameters of scalar bosons. 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D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kanemura, Shinya</au><au>Kikuchi, Mariko</au><au>Sakurai, Kodai</au><au>Yagyu, Kei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gauge invariant one-loop corrections to Higgs boson couplings in nonminimal Higgs models</atitle><jtitle>Physical review. D</jtitle><date>2017-08-01</date><risdate>2017</risdate><volume>96</volume><issue>3</issue><artnum>035014</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>We comprehensively evaluate renormalized Higgs boson couplings at one-loop level in nonminimal Higgs models such as the Higgs singlet model (HSM) and the four types of two Higgs doublet models (THDMs) with a softly broken Z2 symmetry. The renormalization calculation is performed in the on-shell scheme improved by using the pinch technique to eliminate the gauge dependence in the renormalized couplings. 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| ispartof | Physical review. D, 2017-08, Vol.96 (3), Article 035014 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Bosons Couplings Dependence Higgs bosons Parameter identification Quantum theory Quarks |
| title | Gauge invariant one-loop corrections to Higgs boson couplings in nonminimal Higgs models |
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