We have searched for the decays B(s)(0) --> e(+/-)mu(-/+) and B(d)(0) --> e(+/-)mu(-/+) using a 102 pb(-1) data sample of p (p) over bar collisions at root s = 1.8 TeV collected with the Collider Detector at Fermilab. We set upper limits on the branching fractions of B(B(s)(0) --> e(+/-)mu(-/+)) < 6.1(8.2) x 10(-6) and B(B(d)(0) --> e(+/-)mu(-/+)) < 3.5(4.5) x 10(-6) at 90(95)% confidence level. Using these limits, we set lower bounds on the corresponding Pati-Salam leptoquark masses and find that M(LQ)(B(s)(0)) > 20.7(19.3) TeV/c(2) and M(LQ)(B(d)(0)) > 21.7(20.4) TeV/c(2) at 90(95)% confidence level.

Search for the DecaysBs0,Bd0→e±μ∓and Pati-Salam Leptoquarks

DONATI, SIMONE;PUNZI, GIOVANNI;
1998-01-01

Abstract

We have searched for the decays B(s)(0) --> e(+/-)mu(-/+) and B(d)(0) --> e(+/-)mu(-/+) using a 102 pb(-1) data sample of p (p) over bar collisions at root s = 1.8 TeV collected with the Collider Detector at Fermilab. We set upper limits on the branching fractions of B(B(s)(0) --> e(+/-)mu(-/+)) < 6.1(8.2) x 10(-6) and B(B(d)(0) --> e(+/-)mu(-/+)) < 3.5(4.5) x 10(-6) at 90(95)% confidence level. Using these limits, we set lower bounds on the corresponding Pati-Salam leptoquark masses and find that M(LQ)(B(s)(0)) > 20.7(19.3) TeV/c(2) and M(LQ)(B(d)(0)) > 21.7(20.4) TeV/c(2) at 90(95)% confidence level.
1998
Abe, F.; Akimoto, H.; Akopian, A.; Albrow, M. G.; Amadon, A.; Amendolia, S. R.; Amidei, D.; Antos, J.; Aota, S.; Apollinari, G.; Arisawa, T.; Asakawa,...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/757183
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