Photonuclear Reactions in Astrophysics
نویسندگان
چکیده
منابع مشابه
Hadron formation in high energy photonuclear reactions
We present a new method to account for coherence length effects in a semiclassical transport model. This allows us to describe photoand electroproduction at large nuclei (A > 12) and high energies using a realistic coupled channel description of the final state interactions that goes beyond simple Glauber theory. We show that the purely absorptive treatment of the final state interactions can l...
متن کاملNeutron 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 کاملHot Hypernucleus Formation in High-Energy Photonuclear Reactions
The probability of a compound residual hot hypernucleus formation at the end of pre-equilibrium phase of high energy photonuclear reactions is calculated with a time dependent Monte Carlo Multicollisional Cascade (MCMC) approach. The emission of hadrons during the rapid phase of the reaction is discussed and characteristics of the residual nucleus are obtained. Results for mass and charge distr...
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 کاملMeasurements of Photonuclear Reactions Induced with Linearly Polarized Gamma Rays
This thesis reports the first measurements of cross sections and asymmetries for gamma ray induced emission of neutrons from Se. These measurements are part of a broader project to obtain transition widths relevant to determining the weak-magnetism corrections to the standard Fermi function for the energy spectrum of electrons emitted in beta decay of radioactive nuclei. The measurements were p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nuclear Physics News
سال: 2018
ISSN: 1061-9127,1931-7336
DOI: 10.1080/10619127.2018.1463016