CP violation 2000: Status and perspectives

Buras, Andrzej J.

doi:10.1063/1.1330897

Cited by 3 publications

(9 citation statements)

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“…together with |V ub | = 0.003485 [11] , α S (2m c ) = 0.266 [12] , τ B − = 1.653 × 10 −12 sec [10] . (21) We obtain the following result for the branching ratio:…”

Section: The Perturbative Calculationmentioning

confidence: 99%

Probing intrinsic charm with semileptonicBdecays

2002

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We discuss semileptonic B decays of the form B → J/Ψ eν X as possible probes for intrinsic charm. We calculate the leading order perturbative contribution to the process B − → J/Ψ e − ν e and find a branching ratio of 6.8 × 10 −10 . We estimate the intrinsic charm contribution and find that it could be larger, although its precise value cannot be calculated. Because the kinematically allowed upper limit for these processes is of order 10 −7 , and because these channels have a very clean experimental signature, we suggest that they should be studied at the B factories and at hadron colliders.

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“…together with |V ub | = 0.003485 [11] , α S (2m c ) = 0.266 [12] , τ B − = 1.653 × 10 −12 sec [10] . (21) We obtain the following result for the branching ratio:…”

Section: The Perturbative Calculationmentioning

confidence: 99%

Probing intrinsic charm with semileptonicBdecays

2002

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“…In this case new physics in FCNC processes is also expected at TeV energies. This is the case in supersymmetric extensions of the Standard Model, the 'Littlest Higgs' model with T-parity or Rundall-Sundrum models, as discussed in detail in [10].…”

Section: Flavour Physicsmentioning

confidence: 99%

“…In the Standard Model the mixing induced CP asymmetry in the B s system is predicted to be very small: (S ψφ ) SM ≈ 0.04. However, present data from CDF and D0 could be the first hint for a much larger value [12,10] S ψφ = 0.81…”

Section: Flavour Physicsmentioning

confidence: 99%

“…As an example consider the supersymmetric non-Abelian flavour model of Ross, Velasco and Vives (RVV), which leads to interesting correlatons between quark-and lepton-flavour changing processes and also between CP-violation in the quark and the lepton sector [10]. In the Standard Model the mixing induced CP asymmetry in the B s system is predicted to be very small: (S ψφ ) SM ≈ 0.04.…”

Section: Flavour Physicsmentioning

confidence: 99%

“…So far no deviation from the Standard Model has been detected. Via a naive operator analysis, one obtains from electroweak precision tests and data on flavour changing neutral currents (FCNC) the lower bounds on 'new physics' [10]:…”

Section: Flavour Physicsmentioning

confidence: 99%

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