B->eta(') Form Factors in QCD

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  • 25 June 2007
Abstract
We calculate the semileptonic form factors f_+^{B->eta}(q^2) and f_+^{B->eta'}(q^2) from QCD sum rules on the light-cone (LCSRs), to NLO in QCD, and for small to moderate q^2, 0eta} is, as expected, much smaller and below 1%.

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