Table 28.1 Open in new tab Masses and...

Table 28.1

Masses and lifetimes of the B mesons.

Meson	Quark content	Mass (MeV)	Lifetime $(10^{- 12} s)$
$B^{+}$	$\bar{b} u$	$5278.9 \pm 1.8$	$1.62 \pm 0.06$
$B_{d}^{0}$	$\bar{b} d$	$5279.8 \pm 1.6$	$1.56 \pm 0.06$
$B_{s}^{0}$	$\bar{b} s$	$5369.6 \pm 2.4$	${1.61}_{- 0.09}^{+ 0.10}$

Meson	Quark content	Mass (MeV)	Lifetime $(10^{- 12} s)$
$B^{+}$	$\bar{b} u$	$5278.9 \pm 1.8$	$1.62 \pm 0.06$
$B_{d}^{0}$	$\bar{b} d$	$5279.8 \pm 1.6$	$1.56 \pm 0.06$
$B_{s}^{0}$	$\bar{b} s$	$5369.6 \pm 2.4$	${1.61}_{- 0.09}^{+ 0.10}$