Measurement of |V{ub}| from inclusive charmless semileptonic B decays.
We present the partial branching fraction for inclusive charmless semileptonic B decays and the corresponding value of the Cabibbo-Kobayashi-Maskawa matrix element |V{ub}|, using a multivariate analysis method to access approximately 90% of the B-->X{u}lnu phase space. This approach dramatically reduces the theoretical uncertainties from the b-quark mass and nonperturbative QCD compared to all previous inclusive measurements. The results are based on a sample of 657x10{6} BB[over ] pairs collected with the Belle detector. We find that DeltaB(B-->X{u}lnu;p(l){*B}>1.0 GeV/c)=1.963x(1+/-0.088{stat}+/-0.081{syst})x10{-3}. Corresponding values of |V{ub}| are extracted using several theoretical calculations.
Urquijo
P
P
University of Melbourne, School of Physics, Victoria 3010.
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Adachi
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Aihara
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Golob
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Hayashii
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Horii
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Hoshi
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Hou
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Hsiung
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Iijima
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Inami
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Ishikawa
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Itoh
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Iwasaki
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Kah
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Katayama
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Kawai
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Kreps
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Krizan
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Krokovny
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Kuhr
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Kuzmin
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Kwon
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Kyeong
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Lesiak
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Limosani
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Liu
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Liventsev
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Louvot
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Mandl
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Matyja
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McOnie
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Miyata
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Miyazaki
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Mizuk
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Mori
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Nagasaka
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Nakano
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Nakao
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Natkaniec
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Nishida
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Nishimura
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Nitoh
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Nozaki
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Ogawa
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Ohshima
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Okuno
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Ostrowicz
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Ozaki
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Pakhlova
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Park
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Park
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Park
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Pestotnik
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Piilonen
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Sahoo
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Sakai
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Schneider
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Schwanda
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Seidl
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Senyo
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Sevior
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Shapkin
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Shiu
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Shwartz
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Singh
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Stanic
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Staric
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Sumisawa
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Taylor
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Teramoto
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Trabelsi
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Uehara
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Uglov
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Unno
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Uno
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Varner
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Varvell
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Vervink
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Wang
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Wang
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Wang
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Watanabe
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Wedd
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Won
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Yabsley
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Yamashita
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Zhang
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Zhilich
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Zhulanov
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Zivko
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Zupanc
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Zyukova
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