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Related papers: Electroweak Radiative Corrections to Muon Capture

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We compute the two-loop electroweak corrections to the radiative decays of the B meson in the SM. Electroweak effects reduce the Wilson coefficient C_7^eff(mw) by 2.6% for a light Higgs boson of about 100 GeV and are less important for a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paolo Gambino , Ulrich Haisch

Published data on the emission of charged particles following nuclear muon capture are extremely limited. In addition to its interest as a probe of the nuclear response, these data are important for the design of some current searches for…

High Energy Physics - Experiment · Physics 2020-03-18 A. Gaponenko , A. Grossheim , A. Hillairet , G. M. Marshall , R. E. Mischke , A. Olin

We present a comprehensive investigation of electron capture (EC) ratios spanning a broad range of atomic numbers. The study employs a self-consistent computational method that incorporates electron screening, electron correlations, overlap…

Nuclear Theory · Physics 2023-07-26 V. A. Sevestrean , O. Niţescu , S. Ghinescu , S. Stoica

Total cross sections for electron capture are calculated for collisions of fast protons and alpha-particles with atomic hydrogen. The distorted- wave impulse approximation is applied over the energy range 10-1500 keV/u. State-selective…

Atomic Physics · Physics 2008-02-03 Y. H. Ng , J. F. McCann

The two-loop electroweak corrections to the anomalous magnetic moment of the muon, generated by fermionic loops, are calculated. An interesting role of the top quark in the anomaly cancellation is observed. New corrections, including terms…

High Energy Physics - Phenomenology · Physics 2010-01-15 Andrzej Czarnecki , Bernd Krause , William J. Marciano

We present results on NLO electroweak (EW) corrections to multiple massive boson production processes at a future muon collider. Inclusive cross sections with $\mathcal{O}(\alpha)$ corrections for processes for up to four bosons in the…

High Energy Physics - Phenomenology · Physics 2023-01-18 Pia Bredt , Wolfgang Kilian , Jürgen Reuter , Pascal Stienemeier

The recently developed semi-local improved chiral nucleon-nucleon interaction is used for the first time to study several electromagnetic and weak processes at energies below the pion production threshold. Cross sections and selected…

Nuclear Theory · Physics 2016-06-29 R. Skibinski , J. Golak , K. Topolnicki , H. Witala , E. Epelbaum , H. Kamada , H. Krebs , Ulf-G. Meissner , A. Nogga

Model dependence of the capture rates of the negative muon capture in deuterium is studied starting from potential models and the weak two-body meson exchange currents constructed in the tree approximation and also from an effective field…

Nuclear Theory · Physics 2014-11-20 P. Ricci , E. Truhlik , B. Mosconi , J. Smejkal

The eigenstate energies of an atom increase under spatial confinement and this effect should also increase the electron density of the orbital electrons at the nucleus thus increasing the decay rate of an electron-capturing radioactive…

Nuclear Experiment · Physics 2015-05-13 A. Ray , P. Das , S. K. Saha , A. Goswami , A. De

We present the up to now most precise evaluation of electroweak and supersymmetric contributions to the anomalous magnetic moment of the muon \amu, describing in detail also the calculational techniques. We calculate the bosonic two-loop…

High Energy Physics - Phenomenology · Physics 2009-11-10 Sven Heinemeyer , Dominik Stöckinger , Georg Weiglein

Supernova simulations to date have assumed that during core collapse electron captures occur dominantly on free protons, while captures on heavy nuclei are Pauli-blocked and are ignored. We have calculated rates for electron capture on…

In this work we investigate several phenomenological and technical aspects related to electroweak (EW) corrections at a high-energy muon collider, focusing on direct production processes (no VBF configurations). We study in detail the…

High Energy Physics - Phenomenology · Physics 2026-02-20 Yang Ma , Davide Pagani , Marco Zaro

We calculate the screening corrections to the electron capture rates in dense stars by the relativistically degenerate electron liquid. In order to calculate the screening corrections we adopt the linear response theory which is widely used…

Astrophysics · Physics 2009-11-07 Naoki Itoh , Nami Tomizawa , Masaya Tamamura , Shinya Wanajo , Satoshi Nozawa

Recently, a list of the top 50 most important electron capture (EC) and $\beta$-decay (BD) nuclei, averaged throughout the stellar trajectory for $0.500 > Y_e > 0.400$, was published. The current study presents the calculation of EC and BD…

Nuclear Theory · Physics 2025-03-19 Asim Ullah , Jameel-Un Nabi

A detailed model is constructed for the calculation of electron capture rates of some fp-shell nuclei for situations prevailing in pre-supernova and collapse phases of the evolution of the core of massive stars leading to supernova…

Astrophysics · Physics 2007-05-23 S. Chakravarti , K. Kar , A. Ray , S. Sarkar

The $n=2$ and $n=3$ levels for muonic Helium are calculated using a potential that includes all one-loop and recoil effects. Electronic vacuum polarization corrections are calculated using an extension of Kinoshita and Nio method. For…

High Energy Physics - Phenomenology · Physics 2020-04-08 Wayne W. Repko , Stanley F. Radford , Duane A. Dicus

The electroweak corrections at one-loop level to the process $H\rightarrow t{\bar t}$ are calculated, especially the fresh top mass value announced recently by CDF is concerned. For $M_H < 1. TeV$ where a perturbative calculation is valid,…

High Energy Physics - Phenomenology · Physics 2015-06-25 Xiao-Xi Chen , Wen-Gan Ma , Yao-Yang Liu , La-Zhen Sun , Chao-Hsi Chang

Electroweak radiative corrections are computed for Higgs production through vector boson fusion, qq->qqH, which is one of the most promising channels for detecting and studying the Higgs boson at the LHC. Using soft-collinear effective…

High Energy Physics - Phenomenology · Physics 2012-09-25 Fabio Siringo , Giuseppe Buccheri

Precise measurement of $\gamma$-rays following ordinary (non-radiative) capture of negative muons by natural Se, Kr, Cd and Sm, as well as isotopically enriched $^{48}$Ti, $^{76}$Se, $^{82}$Kr, $^{106}$Cd and $^{150}$Sm targets was…

Nuclear Experiment · Physics 2019-04-09 D. Zinatulina , V. Brudanin , V. Egorov , C. Petitjean , M. Shirchenko , J. Suhonen , I. Yutlandov