Measurement of the mass and width of the charmed meson D∗+ (2010)

Barlag, S.; Becker, H.; Bożek, A.; Böhringer, T.; Bosman, M.; Castillo, V.; Chabaud, V.; Damerell, Chris; Daum, C.; Dietl, H.; Gillman, A. R.; Gilmore, R.; Gooch, T.; Görlich, L.; Gras, P.; Hajduk, Z.; Higón, E.; Kelsey, D. P.; Klanner, R.; Kwan, S.; Lücking, B.; Lütjens, G.; Lütz, G.; Malos, J.; Männer, W.; Neugebauer, E.; Pałka, H.; Pepé, M.; Richardson, J.; Rybicki, K.; Seebrunner, H. J.; Stierlin, U.; Tiecke, H.; Waltermann, G.; Watts, S.; Weilhammer, P.; Wickens, F. J.; Wiggers, L.; Witek, M.; Żeludziewicz, T.

doi:10.1016/0370-2693(92)90589-v

Cited by 63 publications

(33 citation statements)

References 12 publications

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“…This assertion is in fact supported by quark model calculations [54,55]. Another important question is over what range in v · p can one trust the leading term in the chiral expansion, i.e., the soft pion relations given in (58) and (66). Since the pion is a pseudo-Goldstone boson associated with the spontaneous breaking of chiral symmetry, we expect that the scale for the momentum dependence of the universal form factors of HQET is set by Λ χ = 4πf π , which is the characteristic scale of chiral symmetry breaking.…”

Section: Discussionsupporting

confidence: 52%

DecayB→πℓνin heavy quark effective theory

et al. 1994

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We present a systematic analysis of the B ( * ) → π ℓ ν weak decay form factors to order 1/m b in the heavy quark effective theory, including a discussion of renormalization group effects. These processes are described by a set of ten universal functions (two at leading order, and eight at order 1/m b ), which are defined in terms of matrix elements of operators in the effective theory. In the soft pion limit, the effective theory yields normalization conditions for these functions, which generalize the well-known current algebra relations derived from the combination of heavy quark and chiral symmetries to nextto-leading order in 1/m b . In particular, the effects of the nearby B * -pole are correctly contained in the form factors of the effective theory. We discuss the prospects for a model independent determination of |V ub | and the BB * π coupling constant from these processes.

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Section: Discussionsupporting

confidence: 52%

DecayB→πℓνin heavy quark effective theory

et al. 1994

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“…As depicted in fig.2, the allowed regions in the plane (g, h) are tightly bounded along the h direction, in the range |h| = 0.6 ± 0.2 compatible with the expectations [6], while the dependence on g is mild, the range extending over all the presently permitted values between g = 0, the result g = 0.59 ± 0.01 ± 0.07 obtained by the CLEO collaboration [10] and the upper bound g < 0.76 from the ACCMOR collaboration [11], [12]. This means that the main contributions to the processes in (1) …”

supporting

confidence: 74%

On three-body B decays to charm

Colangelo

2003

Nuclear Physics B - Proceedings Supplements

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I briefly describe the use of the three-body decay modes $B^0 \to D^{(*)-} D^{(*)0} K^+$ to investigate open issues in charmed meson spectroscopy, and of the time dependent $B^0 (\bar {B^0}) (t) \to D^{-} D^{+} \pi^0$ transitions for a measurement of $\cos (2 \beta)$.Comment: LaTeX, 4 pages, 4 figs. Talk at 5th International Conference on Hyperons, Charm and Beauty Hadrons (BEACH 2002), Vancouver, Canada, 25-29 Jun 200

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“…However, at present, only its upper bound (≃ 0.131 MeV) is known experimentally [31,32], which translates into g D * Dπ ≤ 14.7. Therefore, we can only rely on model predictions such as those based on the QCD sum rule approach [33] or relativistic quark potential model [34].…”

Section: Coupling Constants and Cross Sections A Coupling Constmentioning

confidence: 99%

J/ψabsorption byπandρmesons in a meson exchange model with anomalous parity interactions

2001

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We reanalyze the dissociation process of the J/ψ by π and ρ mesons into D +D, D * +D, D +D * , and D * +D * within a meson exchange model. In addition to the dissociation mechanisms considered in the literature, we consider anomalous parity interactions, whose couplings are constrained by heavy quark spin symmetry and phenomenology. This opens new dissociation channels and adds new diagrams in the previously considered processes. Compared to the previous results, we find that these new additions have only a minor effect on the ρ + J/ψ total inelastic cross section, but reduce the one for π + J/ψ by about 50 % near the threshold.

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Measurement of the mass and width of the charmed meson D∗+ (2010)

Cited by 63 publications

References 12 publications

DecayB→πℓνin heavy quark effective theory

DecayB→πℓνin heavy quark effective theory

On three-body B decays to charm

J/ψabsorption byπandρmesons in a meson exchange model with anomalous parity interactions

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