B to J/Psi+X in the Inclusive Parton and the ACCMM Model

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dc.creatorPalmer, W. F.
dc.creatorPaschos, E. A.
dc.creatorSoldan, P. H.
dc.date1996-02-23
dc.date.accessioned2026-07-07T03:58:55Z
dc.date.available2026-07-07T03:58:55Z
dc.descriptionThe parton model as developed for semileptonic B decays is applied to the inclusive decay B to J/Psi+X. We calculate the momentum spectrum of the J/Psi using a one-parameter distribution function for the heavy quark, taken from production experiments, and compare our results with recent data from CLEO which fixes the distribution parameter epsilon_p. An analogous calculation is carried out in the ACCMM model where the data determines the Fermi motion parameter p_f. The models give a good description of the data, provided in each of them the parameter in the distribution function is chosen to correspond to a softer b quark momentum distribution than that commonly used in studies of semileptonic B decays. In particular we arrive at epsilon_p = O(0.008) and p_f = O(0.55 GeV), respectively. The latter value (p_f = 0.5 GeV) produces in the ACCMM model 10^2*|V_ub/V_cb|^2=1.03, which removes a former supposed discrepancy with the ISGW model. Finally, the strength of the effective color singlet coefficient is found to be a_2 = O(0.28) in both models.
dc.description33 pages, 11 eps figures, uses a4wide.sty and epsfig.sty figs. 1a-c available by request at soldan@hal1.physik.uni-dortmund.de
dc.identifierhttps://arxiv.org/abs/hep-ph/9602376
dc.identifierhttp://arxiv.org/abs/hep-ph/9602376
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/46007
dc.subjectHigh Energy Physics - Phenomenology
dc.titleB to J/Psi+X in the Inclusive Parton and the ACCMM Model
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