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Semileptonic B rightarrow bar{D} transition in nuclear medium

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arxiv 1410.5234 v2 pith:MCIAHYGX submitted 2014-10-20 hep-ph nucl-th

Semileptonic B rightarrow bar{D} transition in nuclear medium

classification hep-ph nucl-th
keywords mediumtransitionnuclearrightarrowsemileptonicbranchingcalculatechannel
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the semileptonic tree-level $B \rightarrow \bar{D}$ transition in the framework of QCD sum rules in nuclear medium. In particular, we calculate the in-medium form factors entering the transition matrix elements defining this decay channel. It is found that the interactions of the participating particles with the medium lead to a considerable suppression in the branching ratio compared to the vacuum.

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