<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>H</mml:mi><mml:mo>→</mml:mo><mml:mi>Z</mml:mi><mml:mi>γ</mml:mi></mml:math>in gauge-Higgs unification

DOI DOI Web Site Web Site 被引用文献8件 参考文献63件 オープンアクセス

書誌事項

公開日
2013-08-23
資源種別
journal article
権利情報
  • http://link.aps.org/licenses/aps-default-license
DOI
  • 10.1103/physrevd.88.037701
  • 10.48550/arxiv.1307.0291
公開者
American Physical Society (APS)

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説明

In our previous paper, we have investigated effects of a simple gauge-Higgs unification model on the diphoton signal events from the Higgs boson production at the Large Hadron Collider. We have found that in this model the effective Higgs-to-diphoton coupling can be enhanced by 1-loop corrections with Kaluza-Klein (KK) modes of bulk fields. This result can be an explanation for the observed excess of the signal strength in the Higgs to diphoton decay channel. In this paper, we investigate KK-mode effects on another Higgs boson decay mode, H to Z gamma. One naturally expects that the KK modes also contribute to the effective H-Z-gamma coupling and can cause some deviation for the H to Z gamma decay mode from the Standard Model prediction. Revealing a correlation between the KK-mode effects on the Higgs-to-diphoton and H-Z-gamma couplings is an interesting topic in terms of a possibility to discriminate a variety of models for physics beyond the Standard Model. We show a very striking result for the gauge-Higgs unification model, namely, the absence of KK-mode contributions to the H-Z-gamma coupling at the 1-loop level. This is a very specific and general prediction of the gauge-Higgs unification scenario.

10 pages, a final version accepted for publication in PRD

収録刊行物

  • Physical Review D

    Physical Review D 88 (3), 037701-, 2013-08-23

    American Physical Society (APS)

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参考文献 (63)*注記

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