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Related papers: Exclusive Radiative Decays of Z Bosons in QCD Fact…

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The nonleptonic heavy meson decays $B\to D^{(*)}\pi(\rho), J/\psi K^{(*)}$ and $D\to K^{(*)}\pi$ are studied based on the three-scale perturbative QCD factorization theorem developed recently. In this formalism the Bauer-Stech-Wirbel…

High Energy Physics - Phenomenology · Physics 2009-10-30 Tsung-Wen Yeh , Hsiang-nan Li

The energetic exclusive two-body nonleptonic decays of B mesons are investigated in the framework of the relativistic quark model within the factorization approximation.

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Ebert , R. N. Faustov , V. O. Galkin

In this work, we give a detailed discussion for QCD factorization involved the complete chirally enhanced power corrections for B decays to two light pseudoscalar mesons, and present some detailed calculations of radiative corrections at…

High Energy Physics - Phenomenology · Physics 2009-11-07 Dongsheng Du , Deshan Yang , Guohuai Zhu

We present a detailed analysis of the rare exclusive Higgs-boson decays into a single vector meson and a photon and investigate the possibility of using these processes to probe the light-quark Yukawa couplings. We work with an effective…

High Energy Physics - Phenomenology · Physics 2016-03-30 Matthias Koenig , Matthias Neubert

Hadronic form factors for the rare weak transitions $\Lambda_{b}\rightarrow\Lambda^{(*)}$ are calculated using a nonrelativistic quark model. The form factors are extracted in two ways. An analytic extraction using single component wave…

Nuclear Theory · Physics 2015-05-30 Lonnie Mott , Winston Roberts

We review the perturbative QCD formalism for exclusive heavy meson decays, concentrating on the three-scale factorization theorem for nonleptonic processes. The formalism is then extended to the radiative decay $B\to K^*\gamma$, which…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hsiang-nan Li

I review recent progress on understanding QCD dynamics involved in exclusive $B$ meson decays. Different frameworks, including light-cone sum rules, QCD factorization, perturbative QCD, soft-collinear effective theory, light-front QCD, are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hsiang-nan Li

We accomplish the analytical computation of the pure weak annihilation non-leptonic $B$-meson decay amplitudes at leading power in the heavy quark expansion. The novel observation regarding such fundamental hadronic quantities is that…

High Energy Physics - Phenomenology · Physics 2023-04-06 Cai-Dian Lü , Yue-Long Shen , Chao Wang , Yu-Ming Wang

We provide a model-independent framework for the analysis of the radiative B-meson decays B -> K* gamma and B -> rho gamma. In particular, we give a systematic discussion of the various contributions to these exclusive processes based on…

High Energy Physics - Phenomenology · Physics 2010-05-28 Stefan W. Bosch , Gerhard Buchalla

The perturbative QCD (PQCD) approach based on $k_T$ factorization has made a great achievement for the QCD calculation of the hadronic B decays. Regulating the endpoint divergence by the transverse momentum of quarks in the propagators, one…

High Energy Physics - Phenomenology · Physics 2022-12-20 Jian Chai , Shan Cheng , Yao-hui Ju , Da-cheng Yan , Cai-Dian Lü , Zhen-Jun Xiao

The $B$-meson light-cone distribution amplitude is an important non-perturbative quantity arising in the factorization of the amplitudes for many exclusive decays of $B$ mesons, such as $B^-\to\gamma\,\ell^-\bar\nu$. We reconsider the…

High Energy Physics - Phenomenology · Physics 2022-03-17 Anne Mareike Galda , Matthias Neubert , Xing Wang

We provide a rigorous basis for factorization for a large class of non-leptonic two-body $B$-meson decays in the heavy-quark limit. The factorization formula incorporates elements of the naive factorization approach and the hard-scattering…

High Energy Physics - Phenomenology · Physics 2009-10-09 M. Beneke , G. Buchalla , M. Neubert , C. T. Sachrajda

Exclusive non-leptonic two-body decays are discussed on the basis of a generalized factorization approach which also includes non-factorizeable contributions. Numerous decay processes can be described satisfactorily. The success of the…

High Energy Physics - Phenomenology · Physics 2009-10-30 Berthold Stech

The photoleptonic decay $B^-\to \gamma \ell^-\bar{\nu}$ is the simplest low-energy process that probes the substructure of the $B$ meson, making it an excellent candidate to determine the parameters of $B$-meson light-cone distribution…

High Energy Physics - Phenomenology · Physics 2026-02-10 Aoife Bharucha , Danny van Dyk , Eduardo Velásquez

The self-couplings of the electroweak gauge bosons are probed at hadron colliders through the production of a massive gauge boson and a photon. To extend the theoretical description of this type of final states towards…

High Energy Physics - Phenomenology · Physics 2020-12-09 Thomas Gehrmann , Lorenzo Tancredi

I briefly introduce the theoretical frameworks for studies of two-body hadronic $B$ meson decays, which include the factorization assumption, the QCD-improved factorization, the perturbative QCD, the soft-collinear effective theory, the…

High Energy Physics - Phenomenology · Physics 2014-11-20 Hsiang-nan Li

The presented paper is devoted to theoretical analysis of charmonium mesons $\eta_c$, $J/\psi$, $\chi_{c0,1,2}$, and $h_c$ production in exclusive radiative $Z$ boson decays in the frameworks of Nonrelativistic Chromodynamic and amplitude…

High Energy Physics - Phenomenology · Physics 2017-09-11 A. V. Luchinsky

Exclusive non-leptonic two-body decays of $B$ mesons have been studied extensively in the past two decades within the framework of factorization. However, the exploration of the corresponding three-body case has only started recently, in…

High Energy Physics - Phenomenology · Physics 2020-11-24 Tobias Huber , Javier Virto , K. Keri Vos

We generalize results of lattice QCD to determine the spin-dependent symmetries and factorization properties of meson production in OZI allowed processes. This explains some conjectures previously made in the literature about axial meson…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. J. Burns , F. E. Close , C. E. Thomas

Exclusive and semi-exclusive processes, the diffractive dissociation of hadrons into jets, and hard diffractive processes such as vector meson leptoproduction provide new testing grounds for QCD and essential information on the structure of…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. J. Brodsky
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