2017 journal article

Cite it

Capture cross sections on unstable nuclei

EPJ Web of Conferences, 146, 01013.

By: A. Tonchev ^*, J. Escher ^*, N. Scielzo ^*, P. Bedrossian^*, R. Ilieva^*, P. Humby^*, N. Cooper ^*, P. Goddard ...and 13 other authors, including 1 NC State author, V. Werner ^*, W. Tornow ^*, G. Rusev ^*, J. Kelley ⁿ, N. Pietralla^*, M. Scheck ^*, D. Savran, B. Löher, S. Yates^*, B. Crider ^*, E. Peters ^*, N. Tsoneva ^*, S. Goriely ^*

Ed(s): A. Plompen, F. Hambsch, P. Schillebeeckx, W. Mondelaers, J. Heyse, S. Kopecky, P. Siegler, S. Oberstedt

10.1051/EPJCONF/201714601013

Find Text @ NCSU

www.epj-conferences.org (publisher PDF)

Source: Crossref

Added: February 24, 2020

Accurate neutron-capture cross sections on unstable nuclei near the line of beta stability are crucial for understanding the s -process nucleosynthesis. However, neutron-capture cross sections for short-lived radionuclides are difficult to measure due to the fact that the measurements require both highly radioactive samples and intense neutron sources. Essential ingredients for describing the γ decays following neutron capture are the γ-ray strength function and level densities. We will compare different indirect approaches for obtaining the most relevant observables that can constrain Hauser-Feshbach statistical-model calculations of capture cross sections. Specifically, we will consider photon scattering using monoenergetic and 100% linearly polarized photon beams. Challenges that exist on the path to obtaining neutron-capture cross sections for reactions on isotopes near and far from stability will be discussed.