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Table 16 Summary of inclusive and exclusive b → X s ℓℓ branching fractions.

From: B meson decays

Mode

BaBar [277]

Belle [278]

CDF [279]

Average [243]

K+â„“+â„“-

0.38 − 0.08 + 0.09 ± 0.02 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiodaZiabiIda4maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI4aaoaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI5aqoaaGccqGHXcqScqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaaa@3DDF@

0.53 − 0.05 + 0.06 ± 0.03 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiwda1iabiodaZmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI1aqnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI2aGnaaGccqGHXcqScqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaa@3DCF@

-

0.49 ± 0.05

K + e + e -

0.42 − 0.11 + 0.12 ± 0.02 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabisda0iabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaIXaqmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaIYaGmaaGccqGHXcqScqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaaa@3DBD@

0.57 − 0.08 + 0.09 ± 0.03 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiwda1iabiEda3maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI4aaoaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI5aqoaaGccqGHXcqScqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaa@3DE3@

-

0.52 ± 0.07

K + μ + μ -

0.31 − 0.12 + 0.15 ± 0.03 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiodaZiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI1aqnaaGccqGHXcqScqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaa@3DC3@

0.50 − 0.06 + 0.07 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiwda1iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI2aGnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI3aWnaaaaaa@3821@

0.59 ± 0.15 ± 0.04

0.73 − 0.42 + 0.50 ± 0.21 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiodaZmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI0aancqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI1aqncqaIWaamaaGccqGHXcqScqaIWaamcqGGUaGlcqaIYaGmcqaIXaqmaaa@3DD3@

K*+â„“+â„“-

0.73 − 0.42 + 0.50 ± 0.21 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiodaZmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI0aancqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI1aqncqaIWaamaaGccqGHXcqScqaIWaamcqGGUaGlcqaIYaGmcqaIXaqmaaa@3DD3@

1.24 − 0.20 + 0.23 ± 0.12 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabikdaYiabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaIWaamaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaIZaWmaaGccqGHXcqScqaIWaamcqGGUaGlcqaIXaqmcqaIYaGmaaa@3DC5@

-

1.15 − 0.21 + 0.23 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabigdaXiabiwda1maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaIXaqmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaIZaWmaaaaaa@381B@

K*+e+e-

0.75 − 0.65 + 0.76 ± 0.38 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiwda1maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI2aGncqaI1aqnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI3aWncqaI2aGnaaGccqGHXcqScqaIWaamcqGGUaGlcqaIZaWmcqaI4aaoaaa@3E01@

1.64 − 0.42 + 0.50 ± 0.18 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiAda2iabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI0aancqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI1aqncqaIWaamaaGccqGHXcqScqaIWaamcqGGUaGlcqaIXaqmcqaI4aaoaaa@3DE1@

-

1.42 − 0.39 + 0.43 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabisda0iabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIZaWmcqaI5aqoaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI0aancqaIZaWmaaaaaa@3831@

K*+μ+μ-

0.97 − 0.69 + 0.94 ± 0.14 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiMda5iabiEda3maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI2aGncqaI5aqoaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI5aqocqaI0aanaaGccqGHXcqScqaIWaamcqGGUaGlcqaIXaqmcqaI0aanaaa@3E05@

1.14 − 0.27 + 0.32 ± 0.10 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabigdaXiabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI3aWnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIZaWmcqaIYaGmaaGccqGHXcqScqaIWaamcqGGUaGlcqaIXaqmcqaIWaamaaa@3DCD@

-

1.12 − 0.27 + 0.32 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaciaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabigdaXiabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI3aWnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIZaWmcqaIYaGmaaaaaa@3821@