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http://ir.lib.ncu.edu.tw/handle/987654321/52899
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題名: | Fermiophobia in a Higgs triplet model |
作者: | Akeroyd,AG;Diaz,MA;Rivera,MA;Maltrana,DR |
貢獻者: | 物理學系 |
關鍵詞: | DOUBLY-CHARGED HIGGS;NEUTRINO MASSES;LEPTON NUMBER;FERMILAB TEVATRON;BOSONS;SIGNATURES;VIOLATION;BREAKING;MIXINGS;DECAY |
日期: | 2011 |
上傳時間: | 2012-06-11 10:48:54 (UTC+8) |
出版者: | 國立中央大學 |
摘要: | A fermiophobic Higgs boson can arise in models with an extended Higgs sector, such as models with scalars in an isospin triplet representation. In a specific model with a scalar triplet and spontaneous violation of lepton number induced by a scalar singlet field, we show that fermiophobia is not a fine-tuned situation, unlike in two higgs doublet models. We study distinctive signals of fermiophobia which can be probed at the LHC. For the case of a small Higgs mass, a characteristic signal would be a moderate B(H -> gamma gamma) accompanied by a large B(H -> JJ) (where J is a Majoron), the latter being an invisible decay. For the case of a large Higgs mass there is the possibility of dominant H -> JJ, WW and suppressed H -> JJ decay modes. In this situation, B(H -> ZZ) is larger than B(H -> WW), which differs from the SM prediction. |
關聯: | PHYSICAL REVIEW D |
顯示於類別: | [物理學系] 期刊論文
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