منابع مشابه
Neutron reactions in astrophysics
The quest for the origin of matter in the Universe had been the subject of philosophical and theological debates over the history of mankind, but quantitative answers could be found only by the scientific achievements of the last century. A first important step on this way was the development of spectral analysis by Kirchhoff and Bunsen in the middle of the 19th century, which provided first in...
متن کاملDirect reactions in/for astrophysics
Precise nuclear reaction rates are needed for a detailed description of the production of elements in primordial nucleosynthesis and during the hydrostatic burning of stars to constrain the astrophysical models. The relevant reactions are extremely difficult to measure directly in the laboratory at the small astrophysical energies. In recent years direct reactions methods have been developed an...
متن کاملExtreme Astrophysics with Neutron Stars
Dong Lai (Cornell University) Marten van Kerkwijk (University of Toronto) Jon Arons (UC Berkeley) Andrei Beloborodov (Columbia University) Edward Brown (Michigan State University) James Cordes (Cornell University) Alice Harding (Goddard Space Flight Center) Vicky Kaspi (McGill University) Shri Kulkarni (Caltech) Duncan Lorimer (West Virginia University) Maura Mclaughlin (West Virginia Universit...
متن کاملNeutrino-photon reactions in astrophysics and cosmology
At energies above the threshold for W production the process νγ → lW is competive with νν scattering at the same center of mass energies. In a cosmological setting, absorption of ultra high energy neutrinos by the microwave photon background is comparable to absorption by the neutrino background. In passing through matter, the process ν → lW will occur in the coulomb field of nuclei. For iron, ...
متن کاملElectro-weak Capture Reactions for Astrophysics
The status of ab initio microscopic calculations of the H(p, γ)He and He(p, eνe) He reactions is reviewed. The methods used to generate accurate nuclear groundand scattering-state wave functions, and to construct realistic electro-weak transition operators are described. The uncertainties in the theoretical predictions, particularly those relevant to the p He weak capture, are discussed. For th...
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ژورنال
عنوان ژورنال: Journal of Physics G: Nuclear and Particle Physics
سال: 2014
ISSN: 0954-3899,1361-6471
DOI: 10.1088/0954-3899/41/5/053101