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Study of semileptonic decays of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi></mml:math>mesons to charmed baryons
Using data collected by the CLEO II detector at a center-of-mass energy on or near the Υ(4S) resonance, we have determined the 90% confidence level upper limit B(¯B→Λ+ce−X)/B(¯B→(Λ+cor¯Λ−c)X)<0.05 for electrons with momentum above 0.6GeV/c. We have also obtained the limit B(B−→Λ+c¯pe−¯νe)/B(¯B→Λ+c¯pX)<0.04 at the 90% confidence level and measured the ratio …