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Heavy hadrons may have a higher charm content than light hadrons. A sizable rate for $\bar B\to J/\psi D (\pi)$, with three charm quarks in final state, would offer distinct evidence for intrinsic charm of $B$ meson since otherwise the process is highly suppressed. Interestingly, both CLEO and Belle data exhibit a low $p_{J/\psi}$ bump in the inclusive $B\to J/\psi + X$ spectrum, which can be attributed to the $J/\psi D \pi$ and perhaps $J/\psi D^{*}$ final states. Further evidence is hinted at by the rather soft $J/\psi$ spectrum in $\Upsilon(1S) \to J/\psi + X$. Experimental search is strongly urged

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Probing for the charm content of<i>B</i>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Υ</mml:mi></mml:math>mesons

Probing for the charm content ofBandΥmesons