Results on Searches for New Physics at B Factories

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We summarize recent results on B{sup +} {yields} {tau}{sup +}{nu}{sub {tau}} setting constraints on the charged Higgs mass, discuss the CP puzzle in B {yields} K{pi} decays and present searches for a light neutral Higgs in radiative {Upsilon}(2S) and {Upsilon}(3S) decays. Rare decays are processes with branching fractions of {Omicron}(10{sup -4}) or smaller. Typically, they arise if amplitudes of higher-order processes (penguin loops, box diagrams) become dominant because tree amplitudes are suppressed in the Standard Model (SM). Additional suppression comes from small CKM couplings and helicity conservation. Contributions of New Physics (NP) processes may become significant modifying the prediction with ... continued below

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6 pages

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Eigen, Gerald & U., /Bergen December 2, 2011.

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Description

We summarize recent results on B{sup +} {yields} {tau}{sup +}{nu}{sub {tau}} setting constraints on the charged Higgs mass, discuss the CP puzzle in B {yields} K{pi} decays and present searches for a light neutral Higgs in radiative {Upsilon}(2S) and {Upsilon}(3S) decays. Rare decays are processes with branching fractions of {Omicron}(10{sup -4}) or smaller. Typically, they arise if amplitudes of higher-order processes (penguin loops, box diagrams) become dominant because tree amplitudes are suppressed in the Standard Model (SM). Additional suppression comes from small CKM couplings and helicity conservation. Contributions of New Physics (NP) processes may become significant modifying the prediction with respect to those in the SM. Thus, rare decays provide an interesting hunting ground for NP searches that are complementary to direct searches at the LHC.

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6 pages

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  • Journal Name: arXiv:0907.4330; Conference: Invited talk at 17th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS 2009), Madrid, Spain, 26-30 Apr 2009

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  • Report No.: SLAC-PUB-14826
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 1030500
  • Archival Resource Key: ark:/67531/metadc840381

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Office of Scientific & Technical Information Technical Reports

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  • December 2, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 7, 2016, 8:36 p.m.

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Eigen, Gerald & U., /Bergen. Results on Searches for New Physics at B Factories, article, December 2, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc840381/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.