On the B→Xll decays in general supersymmetric models

Gabrielli, Emidio; Khalil, S.

doi:10.1016/s0370-2693(02)01350-3

Cited by 11 publications

(8 citation statements)

References 30 publications

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“…The non-resonant branching ratios can be expressed in terms of the parameterization as [5] BR(B → X s e + e − ) = 7. …”

Section: Branching Ratios and Asymmetriesmentioning

confidence: 99%

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B→Xsl+l
Frank
¹
,
Nie
²

2002
Phys. Rev. D
15
1
27
0
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“…The non-resonant branching ratios can be expressed in terms of the parameterization as [5] BR(B → X s e + e − ) = 7. …”

Section: Branching Ratios and Asymmetriesmentioning

confidence: 99%

“…Recently an analysis of SUSY models with non-universal soft breaking terms at the grand unification scale has appeared in Ref. [5]. Although attempts have been made to reconcile b → sγ with right-handed b-quark decays [6], a complete analysis of B → X s l + l − for a fully left-right supersymmetric model is still lacking.…”

Section: Introductionmentioning

confidence: 99%

B→Xsl+l
Frank
¹
,
Nie
²

2002
Phys. Rev. D
15
1
27
0
View full text Add to dashboard Cite

show abstract

“…Minimal flavour violation is not imposed, and generic flavour-and CP-violating soft SUSY-breaking terms are allowed [54]. The Wilson coefficients we use are close to the scenario GMSSM IV in [15], corresponding to large NP contributions to both C eff 7 and C eff 7 allowed by existing experimental bounds (see Sect.…”

Section: General Mssm (Gmssm)mentioning

confidence: 72%

Constraining new physics with B→K ∗ μ + μ − in the early LHC era

Bharucha

Reece

2010

Eur. Phys. J. C

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We investigate the observables available in the angular distribution of B → K * μ + μ − to identify those suitable for measurements in the first few years of LHC data taking. There are three observables that may be extracted by counting signal events as a function of one or two decay angles and correspond to large features of the full angular distribution in the Standard Model: A FB , F L , and S 5 . Two of these are well known in the experimental community; however, we show that measuring S 5 adds complementary sensitivity to physics beyond the Standard model. Like A FB , it features a zero-crossing point with reduced hadronic uncertainties at leading order and in the large recoil limit. Due to the high gradient of S 5 at this point, we find it would be possible for LHCb to measure it to high precision. Current experimental model independent constraints on parameter space are presented and predictions made for the values of the A FB and S 5 zero-crossing points. The relative impact of early LHCb measurements of A FB , F L , and S 5 is assessed. These issues are explored with a new model of the decay that can be used with standard simulation tools such as EVTGEN.

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“…As in all SUSY models, scalar and pseudoscalar operators arise due to the additional Higgs doublet. • General MSSM (GMSSM): Minimal flavour violation is not imposed, and generic flavourand CP -violating soft SUSY-breaking terms are allowed [54]. The Wilson coefficients we use are close to the scenario GMSSM IV in Ref.…”

Section: Overview Of Specific Models and Effects On Wilson Coefficientsmentioning

confidence: 77%

Constraining new physics with B to K* mu+ mu- in the early LHC era

Bharucha,

Reece

2010

Preprint

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We investigate the observables available in the angular distribution of B → K * µ + µ − to identify those suitable for measurements in the first few years of LHC data taking. As experimental uncertainties will dominate, we focus on observables that are simple to measure, while maximizing the potential for discovery. There are three observables that may be extracted by counting signal events as a function of one or two decay angles and correspond to large features of the full angular distribution in the Standard Model: A FB , F L , and S 5 . Two of these are well known in the experimental community; however, we show that measuring S 5 adds complementary sensitivity to physics beyond the Standard model. Like A FB , it features a zero-crossing point with reduced hadronic uncertainties at leading order and in the large recoil limit. We explore the experimental sensitivity to this point at LHCb and show that it may be measured with high precision due to the steepness of the S 5 distribution. Current experimental model independent constraints on parameter space are presented and predictions made for the values of the A FB and S 5 zero-crossing points. The relative impact of LHCb measurements of A FB , F L , and S 5 , with 2 fb −1 of integrated luminosity, is assessed. These issues are explored with a new model of the decay that can be used with standard simulation tools such as EvtGen.

show abstract

On the B→Xll decays in general supersymmetric models

Cited by 11 publications

References 30 publications

B→Xsl+l
Frank
¹
,
Nie
²

2002
Phys. Rev. D
15
1
27
0
View full text Add to dashboard Cite

B→Xsl+l
Frank
¹
,
Nie
²

2002
Phys. Rev. D
15
1
27
0
View full text Add to dashboard Cite

Constraining new physics with B→K ∗ μ + μ − in the early LHC era

Constraining new physics with B to K* mu+ mu- in the early LHC era

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On the B→Xll decays in general supersymmetric models

Cited by 11 publications

References 30 publications

B→Xsl+lFrank1, Nie2 2002Phys. Rev. D151270View full textAdd to dashboardCite

B→Xsl+lFrank1, Nie2 2002Phys. Rev. D151270View full textAdd to dashboardCite

Constraining new physics with B→K ∗ μ + μ − in the early LHC era

Constraining new physics with B to K* mu+ mu- in the early LHC era

Contact Info

Product

Resources

About

B→Xsl+l
Frank
¹
,
Nie
²

2002
Phys. Rev. D
15
1
27
0
View full text Add to dashboard Cite

B→Xsl+l
Frank
¹
,
Nie
²

2002
Phys. Rev. D
15
1
27
0
View full text Add to dashboard Cite