English
Related papers

Related papers: Probing QCD with rare charmless B decays

200 papers

Recent results obtained using the data sample collected on the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+ e^- collider and the Babar detector at the PEP-II asymmetric-energy e^+ e^- collider are…

High Energy Physics - Experiment · Physics 2009-06-02 Y. W. Chang

The study of charmless hadronic two-body decays of B mesons is one of the most fascinating topics in B physics. A construction of the unitarity triangle based on such decays is presented, which is independent of B-B(bar) and K-K(bar)…

High Energy Physics - Phenomenology · Physics 2010-11-23 Matthias Neubert

Exclusive decays of B and D mesons are discussed with the focus on the theoretical problem how to calculate the relevant hadronic matrix elements of weak operators in the framework of QCD sum rules. The three lectures are devoted to 1.…

High Energy Physics - Phenomenology · Physics 2016-09-06 R. Rückl

Although the Standard Model has been firmly established, the search for physics beyond the SM is ongoing by investigating new experimental probes. Rare charm decays are a unique tool to access New Physics studies. The high luminosity…

High Energy Physics - Experiment · Physics 2022-07-29 M. Destefanis

We point out new ways to search for charmless baryonic B decays: baryon pair production in association with $\eta^\prime$ is very likely as large as or even a bit larger than two body $K\pi/\pi\pi$ modes. We extend our argument, in weaker…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei-Shu Hou , A. Soni

Using a data sample of 10.5 1/fb collected by the Belle detector, three-body charmless decays B+ --> K+h+h- have been studied. The following branching fractions have been obtained: Br(B+ --> K+pi-pi+) = (64.8+-10.0+-7.0) x 10**-6 and Br(B+…

High Energy Physics - Experiment · Physics 2019-08-14 A. Garmash

Motivated by recent advances in experimental measurements of heavy baryon decays, the charmonium decays of single $b$-baryon are investigated systematically in the framework of perturbative QCD approach. We calculate the decay branching…

High Energy Physics - Phenomenology · Physics 2024-03-04 Zhou Rui , Zhi-Tian Zou

Rare $B$, $D$ and $K$ decays provide interesting probes of the Standard Model (SM), with a potential sensitivity to New Physics (NP) higher than other, more common, decays. Their experimental measurement is challenging, and their…

High Energy Physics - Experiment · Physics 2019-01-16 Michel De Cian , Sébastien Descotes-Genon , Karim Massri

Studies of rare decays are an indirect probe of New Physics (NP). This document presents recent measurements of rare decays in the charm sector by the LHCb experiment. The analyses are performed with proton-proton collision data at…

High Energy Physics - Experiment · Physics 2013-12-02 Ed Greening

The study of charmless two-body decays of B mesons is currently one of the hottest topics in B physics. QCD factorization provides the theoretical framework for a systematic analysis of such decays. A global fit to B->pi K,pi pi branching…

High Energy Physics - Phenomenology · Physics 2010-11-23 Matthias Neubert

Rare $\vert \Delta c \vert=\vert \Delta u \vert=1$ processes uniquely probe flavor in the Standard Model and beyond from the up-type quark sector. Opportunities to search for BSM physics in charm arise from the severe GIM suppression which…

High Energy Physics - Phenomenology · Physics 2022-03-07 Marcel Golz , Gudrun Hiller , Tom Magorsch

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 present results of searches for B-meson decays to charmless final states that include a K*, rho, omega, or phi meson accompanied by a second meson. Using the entire data sample of 9.7 million BBbar pairs collected with the CLEO II and…

High Energy Physics - Experiment · Physics 2007-05-23 M. Bishai , CLEO Collaboration

The BaBar and Belle collaborations have recently found evidence for mixing within the D meson system. We present some of the mixing search techniques used by BaBar and their status as of the beginning of the summer 2007. These have…

High Energy Physics - Experiment · Physics 2010-01-06 A. Seiden

We introduce a model-independent framework to reinterpret Belle II results using only public data, analytically reconstructing the mapping between true and reconstructed kinematic variables within the statistically dominant Inclusive…

High Energy Physics - Phenomenology · Physics 2026-05-08 Merna Abumusabh , Giulio Dujany , Diego Guadagnoli , Axel Iohner , Claudio Toni

We present recent measurements by SLD of the branching fractions of B hadrons to states with 0 and 2 open charm hadrons, BR_{0D} and BR_{2D}, from which both the average charm yield per B decay, N_c and the inclusive branching ratio into…

High Energy Physics - Experiment · Physics 2019-08-14 Aaron S. Chou

Using about 23M $B \bar B$ events collected in 1999-2000 with the BABAR detector, we report on the decays $B \to D^{(*)}\bar D^{(*)}K$ and $B^0 \to D^{*+}D^{*-}$. The branching fractions of the low background decay modes $B \to D^{(*)}\bar…

High Energy Physics - Experiment · Physics 2007-05-23 Jochen R. Schieck

With the generalized factorization approximation, we calculate the branching ratios and CP asymmetries in B meson decays into two charmless pseudoscalar mesons. We give a new estimation of the matrix elements of (S+P)(S-P) current products…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dongsheng Du , Deshan Yang , Guohuai Zhu

The CDF experiment at the Tevatron p-pbar collider established that extensive and detailed exploration of the b-quark dynamics is possible in hadron collisions, with results competitive and supplementary to those from e+e- colliders. This…

High Energy Physics - Experiment · Physics 2011-05-18 Diego Tonelli

Inspired by the brilliant prospects of the ongoing $B$ meson experiments, the hadronic charmless $B$ ${\to}$ $SS$ decays are studied by considering the next-to-leading (NLO) contributions with the QCD factorization approach, where $S$…

High Energy Physics - Phenomenology · Physics 2023-06-13 Lili Chen , Mengfei Zhao , Liting Wang , Yueyang Kang , Qin Chang , Junfeng Sun