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Study of the B+ ->J/Psi K decay at LHCb - High Energy Physics

Study of the B+ ->J/Psi K decay at LHCb - High Energy Physics

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B + ->J/<strong>Psi</strong> K + selection <br />

• We analysed 277k MC signal events (<strong>at</strong> E cm = 10TeV).<br />

• Loose cuts were applied to <strong>the</strong> d<strong>at</strong>aset to discern true candid<strong>at</strong>es from<br />

mis-reconstructed candid<strong>at</strong>es.<br />

• ε sel = 33.8%<br />

Signal d<strong>at</strong>a was fitted with a single<br />

Gaussian; background with a Chebychev.<br />

3/30/10 R. Young 5

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