English
Related papers

Related papers: Effect of nuclear structure on Type Ia supernova n…

200 papers

We review the nuclear physics input necessary for the study of the collapse of massive stars as precursor to supernova explosions. Recent theoretical advances for the calculation of the relevant weak-interaction processes and their…

Astrophysics · Physics 2009-11-10 G. Martinez-Pinedo , M. Liebendoerfer , D. Frekers

We analyze the nucleosynthesis yields of various Type Ia supernova explosion simulations including pure detonations in sub- Chandrasekhar mass white dwarfs, double detonations and pure helium detonations of sub-Chandrasekhar mass white…

Solar and Stellar Astrophysics · Physics 2021-01-04 F. Lach , F. K. Roepke , I. R. Seitenzahl , B. Coté , S. Gronow , A. J. Ruiter

Multiple high precision $\beta$-decay measurements are being carried out these days on various nuclei, in search of beyond the Standard Model signatures. These measurements necessitate accurate standard model theoretical predictions to be…

Nuclear Theory · Physics 2022-09-28 Ayala Glick-Magid , Doron Gazit

Nuclear weak rates in stellar environments are obtained by shell-model calculations including Gamow-Teller (GT) and spin-dipole transitions, and applied to nuclear weak processes in stars. The important roles of accurate weak rates for the…

Nuclear Theory · Physics 2022-06-24 Toshio Suzuki

Core collapse supernovae are dominated by energy transport from neutrinos. Therefore, some supernova properties could depend on symetries and features of the standard model weak interactions. The cross section for neutrino capture is larger…

Astrophysics · Physics 2015-06-24 C. J. Horowitz , Gang Li

The neutrino-nucleus cross section and the muon capture rate are discussed within a simple formalism which facilitates the nuclear structure calculations. The corresponding formulae only depend on four types of nuclear matrix elements,…

Nuclear Theory · Physics 2007-05-23 F. Krmpotic , A. Samana , A. Mariano

The current classification scheme for supernovae is presented. The main observational features of the supernova types are described and the physical implications briefly addressed. Differences between the homogeneous thermonuclear type Ia…

Astrophysics · Physics 2016-04-13 Massimo Turatto

The overlap of the nucleons in nuclei plays an important role in understanding the nuclear dependence of deep inelastic scattering data. It is shown that the nuclear modification of the higher twist scale can be essentially determined by…

Nuclear Theory · Physics 2009-11-10 P. Castorina

Type Ia supernovae are associated with thermonuclear explosions of white dwarf stars. Combustion processes convert material in nuclear reactions and release the energy required to explode the stars. At the same time, they produce the…

Solar and Stellar Astrophysics · Physics 2018-04-25 Friedrich K. Roepke

The influence of the initial composition of the exploding white dwarf on the nucleosynthesis, light curves and spectra of Type Ia supernovae has been studied in order to evaluate the size of evolutionary effects on cosmological time scales,…

Astrophysics · Physics 2016-08-30 Peter Hoeflich , F. K. Thielemann , J. Craig Wheeler

After a historical review, I present the progress in the field of realistic NN potentials that we have seen in recent years. A new generation of very quantitative (high-quality/high-precision) NN potentials has emerged. These potentials…

Nuclear Theory · Physics 2009-10-31 R. Machleidt

A notable feature of the two standard models for thermonuclear and core-collapse supernovae is that, although these two models are fundamentally different, the respective supernova types have quite similar rates and appearances. For…

High Energy Astrophysical Phenomena · Physics 2019-09-04 L. Clavelli

Introduction Theory of electromagnetic excitation and dissociation (Inelastic scattering at high energies: one-photon exchange, semiclassical approach and Glauber theory; Higher order electromagnetic effects, small xi-approximation)…

Nuclear Theory · Physics 2016-09-08 G. Baur , S. Typel , H. H. Wolter

We investigate the effects of newly measured beta-decay half-lives on r-process nucleosynthesis. These new rates were determined by recent experiments at the radioactive isotope beam factory facility in the RIKEN Nishina Center. We adopt an…

Solar and Stellar Astrophysics · Physics 2012-04-05 Nobuya Nishimura , Toshitaka Kajino , Grant J. Mathews , Shunji Nishimura , Toshio Suzuki

We present some new results on heavy-element nuclear-structure properties calculated on the basis of the finite-range droplet model and folded-Yukawa single-particle potential. Specifically, we discuss calculations of nuclear ground-state…

Nuclear Theory · Physics 2007-05-23 Peter Möller , J. Rayford Nix

Since the 1930s, and with very few exceptions, it has been assumed that the process of radioactive decay is a random process, unaffected by the environment in which the decaying nucleus resides. There have been instances within the past few…

Nuclear Experiment · Physics 2011-06-10 Jere H. Jenkins , Ephraim Fischbach , Peter A. Sturrock , Daniel W. Mundy

Mixing and coexistence of intrinsic nuclear shapes play an important role to determine the low-energy structure of heavy nuclei, and are expected to affect nuclear matrix elements (NMEs) of neutrinoless double beta ($0\nu\beta\beta$) decay.…

Nuclear Theory · Physics 2025-11-11 Kosuke Nomura

Explosive nucleosynthesis is a combination of the nuclear physics of thermonuclear reactions, and the hydrodynamics of the plasma in which the reactions occur. It depends upon the initial conditions---the stellar evolution up to the…

Astrophysics · Physics 2009-10-31 David Arnett

Type Ia Supernovae hold great promise to measure the cosmic deceleration. The diversity observed among these explosions, however, complicates their ability to measure cosmological parameters considerably. The comparison of near and distant…

Astrophysics · Physics 2007-05-23 B. Leibundgut

Our current understanding of the structure of nuclei with up to A=8, including energy spectra, electromagnetic form factors, and capture reactions, is critically reviewed within the context of a realistic approach to nuclear dynamics based…

Nuclear Theory · Physics 2008-11-26 R. Schiavilla