The exclusiveB→πell+ell−andB→ρell+ell−decays in the general two Higgs doublet model | Zendy

G. Erkol | Zendy; G. Turan | Zendy

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The exclusiveB→πell⁺ell⁻andB→ρell⁺ell⁻decays in the general two Higgs doublet model

Author(s) -

G. Erkol,

G. Turan

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/02/015

Subject(s) - physics , higgs boson , particle physics , branching fraction , two higgs doublet model , asymmetry , boson , observable , standard model (mathematical formulation) , elementary particle , order (exchange) , nuclear physics , quantum mechanics , archaeology , finance , gauge (firearms) , economics , history

We study the differential branching ratio, branching ratio and theforward-backward asymmetry for the exclusive $B \to \pi \ell^+ \ell^-$ and $B\to \rho \ell^+ \ell^-$ decays in the general two Higgs doublet model includingthe neutral Higgs boson effects. We analyze the dependencies of thesequantities on the neutral Higgs boson contributions and the other modelparameters. We observe that two Higgs doublet model with the neutral Higgsboson exchanges gives quite sizable contributions to these observables for bothchannels we consider. Since the neutral Higgs boson exchanges are the onlysource of the forward-backward asymmetry for $B \to \pi \tau^+ \tau^-$ decay,which is at the order of magnitude $1-10%$, measurement of this observable ispromising to determine the neutral Higgs boson effects.Comment: 27 pages, 18 eps figures, requires JHEP3.cls (included), replaced with the version to appear in JHE

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