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L. Wolfenstein, Phys. Rev. Lett. 51
1945
Earlier work this paper cites.
M. Gronau and D. Wyler, Phys. Lett. B 265
1991
Earlier work this paper cites.
A. J. Buras, M. E. Lautenbacher and G. Ostermaier, Phys. Rev. D 50
1994
Earlier work this paper cites.
Y. Grossman, Z. Ligeti and E. Nardi, Phys. Rev. D 55
1997
Earlier work this paper cites.
A. J. Buras and R. Fleischer, Adv. Ser. Direct. High Energy Phys. 15
1998
Earlier work this paper cites.
I. Dunietz, R. Fleischer and U. Nierste, Phys. Rev. D 63
2001
Earlier work this paper cites.
D. Atwood, I. Dunietz and A. Soni, Phys. Rev. Lett. 78
2001
Earlier work this paper cites.
G. D’Ambrosio, G. F. Giudice, G. Isidori and A. Strumia, Nucl. Phys. B 645
2002
Earlier work this paper cites.
A. J. Buras, Phys. Lett. B 566
2003
Earlier work this paper cites.
C. Bobeth, G. Hiller and G. Piranishvili, JHEP 0712
Original
2007
Earlier work this paper cites.

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2017

Fleischer, Robert, Jaarsma, Ruben, Tetlalmatzi-Xolocotzi, Gilberto

Leptonic rare decays of $B^0_{s,d}$ mesons offer a powerful tool to search for physics beyond the Standard Model.

The $B^0_{s}\to\mu^+\mu^-$ decay has been observed at the Large Hadron Collider and the first measurement of the effective lifetime of this channel was presented, in accordance with the Standard Model.
On the other hand, $B^0_{s}\to\tau^+\tau^-$ and $B^0_{s}\to e^+e^-$ have received considerably less attention: while LHCb has recently reported a first upper limit of $6.8\times10^{-3}$ (95% C.L.) for the $B^0_s\to\tau^+\tau^-$ branching ratio, the upper bound $2.8\times 10^{-7}$ (90% C.L.) for the branching ratio of $B^0_s\to e^+e^-$ was reported by CDF back in 2009.
We discuss the current status of the interpretation of the measurement of $B^0_{s}\to\mu^+\mu^-$, and explore the space for New-Physics effects in the other $B^0_{s,d}\to\ell^+\ell^-$ decays in a scenario assuming flavour-universal Wilson coefficients of the relevant four-fermion operators.

L. Wolfenstein, Phys. Rev. Lett. 51
1945
Earlier work this paper cites.
M. Gronau and D. Wyler, Phys. Lett. B 265
1991
Earlier work this paper cites.
A. J. Buras, M. E. Lautenbacher and G. Ostermaier, Phys. Rev. D 50
1994
Earlier work this paper cites.
Y. Grossman, Z. Ligeti and E. Nardi, Phys. Rev. D 55
1997
Earlier work this paper cites.
A. J. Buras and R. Fleischer, Adv. Ser. Direct. High Energy Phys. 15
1998
Earlier work this paper cites.
I. Dunietz, R. Fleischer and U. Nierste, Phys. Rev. D 63
2001
Earlier work this paper cites.
D. Atwood, I. Dunietz and A. Soni, Phys. Rev. Lett. 78
2001
Earlier work this paper cites.
G. D’Ambrosio, G. F. Giudice, G. Isidori and A. Strumia, Nucl. Phys. B 645
2002
Earlier work this paper cites.
A. J. Buras, Phys. Lett. B 566
2003
Earlier work this paper cites.
C. Bobeth, G. Hiller and G. Piranishvili, JHEP 0712
Original
2007
Earlier work this paper cites.