TY - JOUR
T1 - New constraints on squark and gluino masses from radiative b decays
AU - Bertolini, S.
AU - Borzumati, F.
AU - Masiero, A.
N1 - Funding Information:
We are grateful to L. Wolfenstein for several discussions. The work of S.B. is supported in part by the US Department of Energy. The work of A.M. is supported by the NSF under Grant No. PHY8116102.
PY - 1987/7/2
Y1 - 1987/7/2
N2 - We show on general grounds that radiative mesonic decays, mediated through penguin-like diagrams, are expected to exhibit a significant enhancement from the exchange of supersymmetric particles. An interesting example is the decay b→sγ. An experimental bound BR(B→K*γ) ≤ 10-3 is presently available. It is however unclear whether K*γ represents the dominant mode for the inclusive b→sγ decay. We show that an upper bound BR(b→sγ) < 2 × 10-3 leads, for mt {reversed tilde equals} 45-80 GeV, to bounds on squarks and gluino masses comparable to the one coming from the analysis of the monojet events at the CERN pp̄ collider.
AB - We show on general grounds that radiative mesonic decays, mediated through penguin-like diagrams, are expected to exhibit a significant enhancement from the exchange of supersymmetric particles. An interesting example is the decay b→sγ. An experimental bound BR(B→K*γ) ≤ 10-3 is presently available. It is however unclear whether K*γ represents the dominant mode for the inclusive b→sγ decay. We show that an upper bound BR(b→sγ) < 2 × 10-3 leads, for mt {reversed tilde equals} 45-80 GeV, to bounds on squarks and gluino masses comparable to the one coming from the analysis of the monojet events at the CERN pp̄ collider.
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U2 - 10.1016/0370-2693(87)90134-1
DO - 10.1016/0370-2693(87)90134-1
M3 - Article
AN - SCOPUS:0001393397
SN - 0370-2693
VL - 192
SP - 437
EP - 440
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 3-4
ER -