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Related papers: The $\mu^-d$ capture rate in effective field theor…

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We investigate the parity-violating analyzing power in neutron capture on the proton at thermal energies in the framework of chiral effective field theory. By combining this analysis with a previous analysis of parity violation in…

Nuclear Theory · Physics 2015-06-15 J. de Vries , N. Li , Ulf-G. Meißner , A. Nogga , E. Epelbaum , N. Kaiser

Thick target deuteron breakup is a variable-energy accelerator-based source of high-energy neutrons, with applications in fundamental and applied nuclear science and engineering. However, the breakup mechanism remains poorly understood, and…

We explore the potential of measurements of cosmological effects, such as neutrino spectral distortions from the neutrino decoupling and neutrino clustering in our Galaxy, via cosmic neutrino capture on tritium. We compute the precise…

High Energy Physics - Phenomenology · Physics 2021-05-05 Kensuke Akita , Saul Hurwitz , Masahide Yamaguchi

The neutron capture is a process that concerns most of the nuclei used to build our detectors. This process produces protons, alpha particles, and gamma rays which generate background signals. Characterizing this background is important for…

Instrumentation and Detectors · Physics 2026-04-06 Ilias Ourahou , Daniel Santos , Olivier Guillaudin , Pierre Louis-Cistac , Fairouz Malek , Nadine Sauzet , Charling Tao

In these lectures we discuss the uses of effective field theory in studying dense hadronic matter. We focus on two regimes in the phase diagram. At low baryon density nucleons can be described as non-relativistic point particles interacting…

Nuclear Theory · Physics 2015-06-26 Thomas Schaefer

The hyperfine effect in muon capture rate is analyzed with taking into account of the second-order terms in 1/M in the non-relativistic Hamiltonian. It is shown that in the situation of the dominance of the squared first-order terms the…

Nuclear Theory · Physics 2007-05-23 A. L. Barabanov

Several neutron capture cross sections of light neutron-rich nuclei were measured in the astrophysically relevant energy region of 5 to 200 keV. The experimental data are compared to calculations using the direct capture model. The results…

Nuclear Theory · Physics 2007-05-23 P. Mohr , H. Beer , H. Herndl , H. Oberhummer

Weak decay rates under stellar density and temperature conditions holding at the rapid proton capture process are studied in neutron-deficient medium-mass waiting point nuclei extending from Ni up to Sn. Neighboring isotopes to these…

Nuclear Theory · Physics 2011-02-21 P. Sarriguren

A reliable theoretical description of double-beta-decay processes needs a possibility to test the involved virtual transitions against experimental data. Unfortunately, only the lowest virtual transition can be probed by the traditional…

Nuclear Theory · Physics 2009-11-07 M. Kortelainen , J. Suhonen

Electron capture and beta-decay rates for nuclear pairs in sd-shell are evaluated at high densities and high temperatures relevant to the final evolution of electron-degenerate O-Ne-Mg cores of stars with the initial masses of 8-10 solar…

Solar and Stellar Astrophysics · Physics 2016-02-17 Toshio Suzuki , Hiroshi Toki , Ken'ichi Nomoto

Classifying the strengthes of three-body forces 3BFs with the condition that observables must be cut-off independent, i.e. renormalised at each order, leads to surprising results with relevance for example for thermal neutron capture on the…

Nuclear Theory · Physics 2009-01-16 Harald W. Griesshammer

We apply the effective field theory approach to the three-nucleon system. In particular, we consider neutron-deuteron scattering and the triton. Precise predictions for S=3/2 scattering are obtained in a straightforward way. In the S=1/2…

Nuclear Theory · Physics 2007-05-23 H. -W. Hammer

The adsorption of single atoms on pristine and defected hexagonal boron nitride (h-BN) was systematically investigated using density functional theory. Elements from the first three rows of the periodic table, together with selected…

Materials Science · Physics 2026-02-04 Ana S. Dobrota , Natalia V. Skorodumova , Igor A. Pašti

The accurate evaluation of the nuclear reaction rates and corresponding uncertainties is an essential requisite for a precise determination of light nuclide primordial abundances. The recent measurement of the D(p,gamma)3He radiative…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-14 Ofelia Pisanti , Gianpiero Mangano , Gennaro Miele , Pierpaolo Mazzella

The pi- + 2H -> n + n, pi- + 3H -> n + n + n, pi- + 3He -> n + d and pi- + 3He -> p + n + n capture reactions from the lowest atomic orbitals are studied under full inclusion of final state interactions. Our results are obtained with the…

The astrophysical S-factor for proton-proton weak capture is calculated in chiral effective field theory over the center-of-mass relative-energy range 0--100 keV. The chiral two-nucleon potential derived up to next-to-next-to-next-to…

Nuclear Theory · Physics 2013-05-14 L. E. Marcucci , R. Schiavilla , M. Viviani

The continued interest to the study of the radiative neutron capture on atomic nuclei is caused, on the one hand, by the important role of this process in the analysis of many fundamental properties of nuclei and nuclear reactions, and, on…

Nuclear Theory · Physics 2014-01-29 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov , N. A. Burkova

The role of radiative corrections in low energy nuclear physics is beginning to receive more scrutiny. We examine the impact of these corrections for the deuteron charge form factor and the radiative capture process $np \to d \gamma$…

Nuclear Theory · Physics 2025-07-25 Thomas R. Richardson , Immo C. Reis

The relativistic field theory model of the deuteron suggested by us previously is applied to the calculation of the reaction rate of the low-energy two-proton fusion p + p -> D + e+ + nu. The theoretical prediction of the reaction rate…

Astrophysics · Physics 2007-05-23 H. Oberhummer , A. N. Ivanov , N. I. Troitskaya , M. Faber

Three-body forces acting on a $\Lambda$ hyperon in a nuclear medium are investigated, with special focus on the so-called hyperon puzzle in neutron stars. The hyperon-nucleon two-body interaction deduced from SU(3) chiral effective field…

Nuclear Theory · Physics 2020-08-13 Dominik Gerstung , Norbert Kaiser , Wolfram Weise