English
Related papers

Related papers: Neutrino Effects in Nucleosynthesis

200 papers

The type II supernova is considered as a candidate site for the production of heavy elements. The nucleosynthesis occurs in an intense neutrino flux, we calculate the electron fraction in this environment.

High Energy Physics - Phenomenology · Physics 2009-11-10 U. Solis , J. C. D'Olivo , L. G. Cabral-Rosetti

If the r-process occurs deep within a Type II supernova, probably the most popular of the proposed sites, abundances of r-process elements may be altered by the intense neutrino flux. We point out that the effects would be especially…

Astrophysics · Physics 2009-10-28 W. C. Haxton , K. Langanke , Y. -Z. Qian , P. Vogel

This talk reviews three inputs important to neutrino-induced nucleosynthesis in a supernova: 1) "standard" properties of the supernova neutrino flux, 2) effects of phenomena like neutrino oscillations on that flux, and 3) nuclear structure…

Nuclear Theory · Physics 2015-06-26 W. C. Haxton

This chapter discusses three nucleosynthesis processes involved in producing heavy nuclei beyond the iron group that are influenced or shaped by neutrino interactions: the v process, the vp process and the r process. These processes are all…

High Energy Astrophysical Phenomena · Physics 2023-09-13 Xilu Wang , Rebecca Surman

The type II supernova is considered as a candidate site for the production of heavy elements. Since the supernova produces an intense neutrino flux, neutrino scattering processes will impact element formation. We examine active-sterile…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. C. McLaughlin

We discuss various neutrino-nucleus interactions in connection with the supernova r-process nucleosynthesis, which possibly occurs in the neutrino-driven wind of a young neutron star. These interactions include absorptions of electron…

Astrophysics · Physics 2009-10-28 Y. -Z. Qian

The inclusion of massive neutrinos affects the cross sections involved in the formation of heavy nuclei, modifying their abundances. Rapid neutron capture processes (r-process) are often associated with explosive events such as…

High Energy Physics - Phenomenology · Physics 2018-09-10 M. M. Saez , M. E. Mosquera , O. Civitarese

Neutrinos are known to play important roles in many astrophysical scenarios from the early period of the big bang to current stellar evolution being a unique messenger of the fusion reactions occurring in the center of our sun. In…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Tobias Fischer , Gang Guo , Karlheinz Langanke , Gabriel Martinez-Pinedo , Yong-Zhong Qian , Meng-Ru Wu

Neutrino interactions with matter play an important role in determining the nucleosynthesis outcome in explosive astrophysical environments such as core-collapse supernovae or mergers of compact objects. In this article, we first discuss…

High Energy Astrophysical Phenomena · Physics 2016-03-16 Meng-Ru Wu , Gabriel Martinez-Pinedo , Yong-Zhong Qian

An overview of neutrino-nucleus interactions is presented. After a brief discussion of theory and applications of detector response three examples are discussed: i) Recent work on neutrino-deuteron reactions, ii) Probing strangeness content…

Nuclear Theory · Physics 2008-11-26 A. B. Balantekin

Neutrinos produced during a supernova explosion induce reactions on abundant nuclei in the outer stellar shells and contribute in this way to the synthesis of the elements in the Universe. This neutrino nucleosynthesis process has been…

High Energy Astrophysical Phenomena · Physics 2019-06-25 Karlheinz Langanke , Gabriel Martinez-Pinedo , Andre Sieverding

Neutrinos from dense environments are connected to the longstanding open questions of how massive stars explode and what are the sites where $r$-process elements are made. Flavor evolution and neutrino properties can influence…

High Energy Physics - Phenomenology · Physics 2021-10-19 Volpe Maria Cristina

Neutron--induced nucleosynthesis plays an important role in astrophysical scenarios like in primordial nucleosynthesis in the early universe, in the s--process occurring in Red Giants, and in the $\alpha$--rich freeze--out and r--process…

Astrophysics · Physics 2009-10-28 H. Oberhummer , H. Herndl , T. Rauscher , H. Beer

We explore neutrino capture during r-process nucleosynthesis in neutrino-driven ejecta from nascent neutron stars. We focus on the interplay between charged-current weak interactions and element synthesis, and we delineate the important…

Astrophysics · Physics 2008-11-26 Bradley S. Meyer , Gail C. McLaughlin , George M. Fuller

Intense fluxes of neutrinos are emitted by the hot neutron star produced in a supernova. The electron neutrino and antineutrino capture reactions on neutrons and protons, respectively, provide heating to drive a wind from the hot neutron…

Astrophysics · Physics 2009-10-31 Yong-Zhong Qian

We study the role of light neutron-rich nuclei during r-process nucleosynthesis in supernovae. Most previous studies of the r-process have concentrated on the reaction flow of heavy unstable nuclei. Although the nuclear reaction network…

Astrophysics · Physics 2009-11-06 M. Terasawa , K. Sumiyoshi , T. Kajino , G. J. Mathews , I. Tanihata

This talk provides a basic introduction for students interested in the responses of detectors to solar, supernova, and other low-energy neutrino sources. Some of the nuclear physics is then applied in a discussion of nucleosynthesis within…

Nuclear Theory · Physics 2007-05-23 W. C. Haxton

All of the actinides and roughly half the natural abundance of elements with mass number A > 70 come from the rapid neutron capture process, or the r-process. If the r-process, as suggested by many, occurs deep in a supernova, then it is…

Nuclear Theory · Physics 2007-05-23 Yong-Zhong Qian

In order to explore the consequences of the neutrino irradiation for the supernova r-process nucleosynthesis, we calculate the rates of charged-current and neutral-current neutrino reactions on neutron-rich heavy nuclei, and estimate the…

Nuclear Theory · Physics 2016-09-08 Y. -Z. Qian , W. C. Haxton , K. Langanke , P. Vogel

A simple description of core-collapse supernovae is given. Properties of the neutrino-driven wind, neutrino fluxes and luminosities, reaction rates, and the equilibrium electron fraction in supernova environments are discussed. Neutrino…

Astrophysics · Physics 2009-11-10 A. B. Balantekin , H. Yuksel
‹ Prev 1 2 3 10 Next ›