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Related papers: Radiative corrections to the Dalitz plot of K_{l3}…

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We calculate the next-to-leading corrections to the branching ratio of exclusive $B\to K^* \gamma$ decay. The renormalization scale dependence is reduced compared to the leading logarithmic result but there remains a dependence on a cutoff…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. H. Asatryan , H. M. Asatrian , D. Wyler

FOCUS results from Dalitz plot analysis of D_s+ and D+ to pi+pi-pi+ are presented. The K-matrix formalism is applied to charm decays for the first time to fully exploit the already existing knowledge coming from the light-meson spectroscopy…

High Energy Physics - Experiment · Physics 2012-08-27 FOCUS Collaboration

The cross-section for $\gamma\gamma\to t \bar t$ with arbitrary polarized photons is calculated within the electroweak Standard Model including the complete virtual and soft-photonic $O(\alpha)$ corrections. We present a detailed numerical…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier , M. Strobel

A symmetry-preserving continuum approach to meson bound-states in quantum field theory, employed elsewhere to describe numerous $\pi$- and $K$-meson electroweak processes, is used to analyse leptonic and semileptonic decays of $D_{(s)}$…

High Energy Physics - Phenomenology · Physics 2020-07-15 Zhao-Qian Yao , Daniele Binosi , Zhu-Fang Cui , Craig D. Roberts , Shu-Sheng Xu , Hong-Shi Zong

Adding a hard photon to the final state of a leptonic pseudoscalar-meson decay lifts the helicity suppression and can provide sensitivity to a larger set of operators in the weak effective Hamiltonian. Furthermore, radiative leptonic $B$…

High Energy Physics - Lattice · Physics 2019-09-12 Christopher Kane , Christoph Lehner , Stefan Meinel , Amarjit Soni

Motivated by recent experimental progress in studying weak decays of the $\Lambda_c$ baryon we investigate its semileptonic decays in the framework of the relativistic quark model based on the quasipotential approach with the QCD-motivated…

High Energy Physics - Phenomenology · Physics 2016-11-22 R. N. Faustov , V. O. Galkin

We present Dalitz plot analyses for the decays of $B$ mesons to $D^- D^0 K^+$ and $\overline{D}^0 D^0 K^+$. We report the observation of the $D^{*}_{s1}(2700)^+$ resonance in these two channels and obtain measurements of the mass…

High Energy Physics - Experiment · Physics 2015-03-11 The BABAR Collaboration , J. P. Lees , others

We present updated results for the form factors of the kaon semileptonic $(K_{\ell 3})$ decay process calculated with $N_f = 2 + 1$ nonperturbatively $O(a)$-improved Wilson quark action and Iwasaki gauge action at the physical point on…

We study the Dalitz plot of the decay D^+ --> K^- pi^+ pi^+ with a sample of 15090 events from Fermilab experiment E791. Modeling the decay amplitude as the coherent sum of known K pi resonances and a uniform nonresonant term, we do not…

High Energy Physics - Experiment · Physics 2012-08-27 E791 Collaboration

We briefly review electromagnetic radiative corrections in semileptonic tau decays and their main applications.

High Energy Physics - Phenomenology · Physics 2025-07-24 Alejandro Miranda

Radiative processes lead to important corrections to (e,e'p) experiments. While radiative corrections can be calculated exactly in QED and to a good accuracy also including hadronic corrections, these corrections cannot be included into…

Nuclear Theory · Physics 2009-08-20 Florian Weissbach , Kai Hencken , Daniela Kiselev , Dirk Trautmann

We have investigated the model dependence of meson resonance properties extracted from the Dalitz-plot analysis of the three-pions photoproduction reactions on the nucleon. Within a unitary model developed in Phys. Rev. D 84, 114019 (2011),…

High Energy Physics - Phenomenology · Physics 2012-12-27 S. X. Nakamura , H. Kamano , T. -S. H. Lee , T. Sato

We propose a method to determine the phase motion of a complex amplitude in three body heavy meson decays. We show that the phase variation of a complex amplitude can be directly revealed through the interference observed in the Dalitz Plot…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ignacio Bediaga , Jussara M. de Miranda

We present an investigation of the lepton energy distributions in the inclusive semileptonic weak decays of heavy baryons performed within a relativistic quark model formulated on the light front (LF). Using the heavy-quark LF distribution…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. D'Souza , C. S. Kalman , P. Yu. Kulikov , I. M. Narodetskii

Radiative corrections are calculated for antineutrino proton quasielastic scattering, neutrino deuteron scattering, and the asymmetry of polarised neutron beta decay from which $G_{A}/G_{V}$ is determined. A particular emphasis is given to…

High Energy Physics - Phenomenology · Physics 2015-06-25 T. Kubota , M. Fukugita

We study semileptonic and radiative B decays involving the strange tensor meson K_2^*(1430) in the final state. Using the large energy effective theory (LEET) techniques, we formulate the B \to K_2^* transition form factors in large recoil…

High Energy Physics - Phenomenology · Physics 2009-07-07 Hisaki Hatanaka , Kwei-Chou Yang

In this publication electroweak next-to-leading order corrections to semileptonic B-meson decays into (pseudo)scalar final states are presented. To this end, these corrections of O(alpha G_F) have been calculated in the QED-enhanced…

High Energy Physics - Phenomenology · Physics 2010-10-29 Florian U. Bernlochner , Marek Schonherr

We study the processes $\gamma \gamma \to K^0_S K^{\pm}\pi^{\mp}$ and $\gamma \gamma \to K^+ K^- \pi^0$ using a data sample of 519~$fb^{-1}$ recorded with the BaBar detector operating at the SLAC PEP-II asymmetric-energy $e^+ e^-$ collider…

High Energy Physics - Experiment · Physics 2016-01-27 The BABAR Collaboration , J. P. Lees , others

The lowest order radiative corrections (RC) to width and spectra of radiative $\pi e2$ decay are calculated. We take into account virtual photon emission contribution as well as soft and hard real photon emission one. The result turns out…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. A. Kuraev , Yu. M. Bystritsky , E. P. Velicheva

We study the influence of constant magnetic field combined with a field induced by the external thermal environment on the atomic decay rates. The importance of radiative corrections, including magnetic interaction, is demonstrated for…

Atomic Physics · Physics 2025-09-11 D. Solovyev , T. Zalialiutdinov