Measurements of branching fractions of leptonic and hadronic meson decays and extraction of the meson decay constant

A Zupanc, I Adachi, H Aihara, K Arinstein… - Journal of High Energy …, 2013 - Springer
A Zupanc, I Adachi, H Aihara, K Arinstein, DM Asner, T Aushev, AM Bakich, A Bala…
Journal of High Energy Physics, 2013Springer
A bstract We present measurements of absolute branching fractions of hadronic and lep-
tonic\(D_s^{+}\) decays to K− K+ π+,\({{\overline {K}}^ 0}\) K+, ηπ+, μ+ ν μ and τ+ ν τ and
report a search for the leptonic\(D_s^{+}\)→ e+ ν e decays. The results are obtained from a
data sample of 913 fb− 1 collected at or near the\(\varUpsilon\)(4S) and\(\varUpsilon\)(5S)
resonances with the Belle detector at the KEKB asymmetric-energy e+ e− collider. The
branching fractions of hadronic decays are measured to be
Abstract
We present measurements of absolute branching fractions of hadronic and lep-tonic decays to K− K+ π+, K+, ηπ+, μ+ ν μ and τ+ ν τ and report a search for the leptonic→ e+ ν e decays. The results are obtained from a data sample of 913 fb− 1 collected at or near the(4S) and(5S) resonances with the Belle detector at the KEKB asymmetric-energy e+ e− collider. The branching fractions of hadronic decays are measured to be
Springer