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Related papers: HQET and Inclusive Decays of Heavy Hadrons

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We apply the new formulation of heavy quark effective field theory (HQEFT) to the inclusive decays of bottom hadrons. The long-term ambiguity of using heavy quark mass or heavy hadron mass for inclusive decays is clarified within the…

High Energy Physics - Phenomenology · Physics 2016-12-28 Y. A. Yan , Y. L. Wu , W. Y. Wang

Inclusive bottom hadron decays are analyzed based on the heavy quark effective field theory (HQEFT). Special attentions in this paper are paid to the b\to u transitions and nonspectator effects. As a consequence, the CKM quark mixing matrix…

High Energy Physics - Phenomenology · Physics 2015-06-25 Y. L. Wu , Y. A. Yan

The Heavy Quark Expansion (HQE) has become an extremely powerful tool in flavor physics. For charm decays, where the expansion parameters $\alpha_s(m_c)$ and $\Lambda_{\rm QCD}/m_c$ are bigger than for bottom decays, it remains to be seen…

High Energy Physics - Phenomenology · Physics 2020-01-29 Matteo Fael , Thomas Mannel , K. Keri Vos

Inclusive heavy-flavour decays can be described through $1/m_Q$ expansions derived from QCD with the help of an operator product expansion. I sketch their methodology and apply them first to semileptonic B decays; $|V(cb)|$ can be extracted…

High Energy Physics - Phenomenology · Physics 2008-02-03 Ikaros I. Bigi

Within the heavy quark expansion techniques for the heavy hadron weak decays we analytically compute the coefficient of the power suppressed dimension five chromo-magnetic operator at next-to-leading order of QCD perturbation theory with…

High Energy Physics - Phenomenology · Physics 2015-09-30 Thomas Mannel , Alexei A. Pivovarov , Denis Rosenthal

Inclusive semileptonic decays are discussed in the framework of heavy quark effective field theory by employing the short distance expansion in the effective theory. The lowest order term turns out to be the parton model; the higher order…

High Energy Physics - Phenomenology · Physics 2009-10-22 Thomas Mannel

I briefly review the description of inclusive heavy hadron decays based on the inverse heavy quark mass expansion. In particular, I consider the transition $B \to X_u \ell \nu$ and the problem of extracting $V_{ub}$, mainly as far as the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fulvia De Fazio

Inclusive semileptonic $B\to X_c \ell\bar{\nu}$ decays can be described in the Heavy Quark Expansion (HQE) and allow for a precision determination of the CKM element $|V_{cb}|$. We calculate the terms of $1/m_b^5$ and derive a ``trace…

High Energy Physics - Phenomenology · Physics 2025-02-05 Thomas Mannel , Ilija S. Milutin , K. Keri Vos

The governing role of light-cone dynamics in inclusive heavy hadron decay processes is demonstrated. Nonperturbative QCD effects on the processes can be systematically calculated using light-cone expansion and heavy quark effective theory.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Changhao Jin

We present analytical results for higher order corrections to the decay spectra of inclusive semileptonic heavy hadron weak decays using the heavy quark expansion (HQE). We compute analytically the spectrum of the leptonic invariant mass…

High Energy Physics - Phenomenology · Physics 2022-04-13 Th. Mannel , D. Moreno , A. A. Pivovarov

I review some of the recent developments in the theoretical description of weak inclusive decays of heavy mesons. The topics cover the value of $|V_{cb}|$ as extracted from semileptonic inclusive decays and a short discussion of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Ball

A compact review of the theory, including some recent developments, of inclusive weak decay rates of charmed and b hadrons with an emphasis on predictions that can be tested in the forthcoming experiments.

High Energy Physics - Phenomenology · Physics 2007-05-23 M. B. Voloshin

This work delves into the phenomenology of electronic inclusive decays of $D$ mesons, encompassing $D^0, D^+, D^+_s\to Xe^{+}\nu$. The theoretical formulas for the decay widths and electron energy moments of these decays are presented as…

High Energy Physics - Phenomenology · Physics 2025-02-11 Kang-Kang Shao , Chun Huang , Qin Qin

In this work we discuss the theoretical status for the study of the lifetime of heavy hadrons. After presenting some introductory topics like the effective weak Hamiltonian and the heavy quark effective theory (HQET), we describe the…

High Energy Physics - Phenomenology · Physics 2021-12-07 Maria Laura Piscopo

We report the recent progress from our group in extracting observables of both inclusive and exclusive semileptonic heavy-meson decays directly from lattice QCD four-point correlators. On the inclusive side, we illustrate how to estimate…

High Energy Physics - Lattice · Physics 2026-01-15 Zhi Hu , Alessandro Barone , Ahmed Elgaziari , Shoji Hashimoto , Andreas Jüttner , Takashi Kaneko , Ryan Kellermann

These lectures contain an elementary introduction to heavy quark symmetry and the heavy quark expansion. Applications such as the expansion of heavy meson decay constants and the treatment of inclusive and exclusive semileptonic $B$ decays…

High Energy Physics - Phenomenology · Physics 2007-05-23 Adam F. Falk

The dependence of inclusive weak decay rates of heavy hadrons on the flavors of spectator light quarks is revisited with application to decays of charmed and b hyperons. It is pointed out that the differences in the semileptonic decay…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. B. Voloshin

We present the theory of inclusive decays of hadrons containing a heavy quark and discuss its most important applications to the decays of B mesons. We also review the theoretical understanding of the hadronic parameters lambda_1 and…

High Energy Physics - Phenomenology · Physics 2014-11-17 Matthias Neubert

Inclusive semileptonic decays of beauty baryons are studied using the heavy quark expansion to ${\cal O}(1/m_b^3)$, at leading order in $\alpha_s$. The case of a polarized decaying baryon is examined, with reference to $\Lambda_b$. An…

High Energy Physics - Phenomenology · Physics 2022-12-19 Pietro Colangelo , Fulvia De Fazio , Francesco Loparco

We review recent experimental and theoretical developments in inclusive semileptonic B -> Xc l nu decays. In particular, we discuss the determination of |Vcb| and of the heavy quark masses through fits based on the Operator Product…

High Energy Physics - Experiment · Physics 2011-02-02 Paolo Gambino , Christoph Schwanda
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