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Vacuum stability, perturbativity, EWPD and Higgs-to-diphoton rate in type II seesaw models
- Chun, Eung Jin;
- Lee, Hyun Min;
- Sharma, Pankaj
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123초록
We study constraints from perturbativity and vacuum stability as well as the EWPD in the type II seesaw model. As a results, we can put stringent limits on the Higgs triplet couplings depending on the cut-off scale. The EWPD tightly constrain the Higgs triplet mass splitting to the smaller than 40 GeV. Analyzing the Higgs-to-diphoton rate in the allowed parameter region, we show a possible enhancement by up to 100 % and 50 % for the cut-off scale of 100 TeV and 10(19) GeV, respectively, if the doubly charged Higgs boson mass is as low as 100 GeV.
키워드
Higgs Physics; Beyond Standard Model; Neutrino Physics; NEUTRINO MASSES; P(P)OVER-BAR COLLISIONS; ROOT-S=1.96 TEV; SEARCH; BOSON; MIXINGS; BOUNDS
- 제목
- Vacuum stability, perturbativity, EWPD and Higgs-to-diphoton rate in type II seesaw models
- 저자
- Chun, Eung Jin; Lee, Hyun Min; Sharma, Pankaj
- 발행일
- 2012-11
- 유형
- Article
- 호
- 11
- 언어
- ENG
- 출판사
- SPRINGER
- 발행국가
- 미국
- ISSN
- E 1029-8479
P 1126-6708