{"title":"New bound on the Yukawa coupling from CMB","authors":"Anupama B, P K Suresh","doi":"arxiv-2405.03717","DOIUrl":null,"url":null,"abstract":"We investigate the one loop inflation stemming from the superstring theory in\nthe braneworld scenario. The tensor to scalar ratio of the loop inflation is\nfound inconsistent with the recent CMB results for the Yukawa coupling from the\nSM sector. We propose a new bound on the Yukawa coupling, $9.92<\\lambda<13.4$,\napplicable to the cosmological sector from CMB. The aftermath of this new bound\nis explored. The present results may shed some light on the phenomenology of\nsuperstring theory and its associated phenomena.","PeriodicalId":501190,"journal":{"name":"arXiv - PHYS - General Physics","volume":"36 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - General Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2405.03717","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We investigate the one loop inflation stemming from the superstring theory in
the braneworld scenario. The tensor to scalar ratio of the loop inflation is
found inconsistent with the recent CMB results for the Yukawa coupling from the
SM sector. We propose a new bound on the Yukawa coupling, $9.92<\lambda<13.4$,
applicable to the cosmological sector from CMB. The aftermath of this new bound
is explored. The present results may shed some light on the phenomenology of
superstring theory and its associated phenomena.
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