The Bbar D L Nu Bar Form Factor At Zero Recoil And The Determination Of Verticalv Sub Cb Vertical


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The Bbar ---] D* L Nu Bar Form Factor at Zero Recoil and the Determination Of[verticalV[sub Cb][vertical


The Bbar ---] D* L Nu Bar Form Factor at Zero Recoil and the Determination Of[verticalV[sub Cb][vertical

Author:

language: en

Publisher:

Release Date: 2002


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We summarize our lattice QCD study of the form factor at zero recoil in the decay[bar B][yields] D*[ell][bar[nu]]. After careful consideration of all sources of systematic uncertainty, we find, h[sub A[sub 1]](1)= 0.913[sub -17-30][sup+24+17], where the first uncertainty is from statistics and fitting while the second combined uncertainty is from all other systematic effects.

B [right Arrow]Dl[nu]form Factors and the Determination of [verticalV[sub Cb][vertical


B [right Arrow]Dl[nu]form Factors and the Determination of [verticalV[sub Cb][vertical

Author:

language: en

Publisher:

Release Date: 2000


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The zero recoil limit of the B[yields]Dl[nu] form factors is calculated on the lattice, which provides a model-independent determination of [vert-bar]V[sub cb][vert-bar]. Considering a ratio of form factors, in which the bulk of statistical and systematic errors cancel, we obtain a precise result both for h[sub +](1) and for h[sub -](1).

The Bbar ---] D* L Nu Bar Form Factor at Zero Recoil and the Determination of


The Bbar ---] D* L Nu Bar Form Factor at Zero Recoil and the Determination of

Author:

language: en

Publisher:

Release Date: 2001


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We summarize our lattice QCD study of the form factor at zero recoil in the decay {bar B} 2!D*l{bar {nu}}. After careful consideration of all sources of systematic uncertainty, we find, h{sub A1}(1) = 0.913{sub 1}--30{sup +24+17}, where the first uncertainty is from statistics and fitting while the second combined uncertainty is from all other systematic effects.