Photonuclear reaction data and γ-ray sources for astrophysics

H. Utsunomiya, S. Goko, H. Toyokawa, H. Ohgaki, K. Soutome, H. Yonehara, S. Goriely, P. Mohr, Zs. S. Fülöp

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Direct determination of photoneutron cross sections of astrophysical importance has recently become possible with use of quasi-monochromatic 7 beams produced in laser Compton backscattering (LCS) from relativistic electrons at AIST. The astrophysics to be discussed with the photodisintegration cross section are both stellar and big bang nucleosyntheses regarding the production of p-process and s-process nuclei as well as light elements. Synchrotron radiations from a 10 tesla superconducting wiggler (SCW) at SPring-8 serve as an ideal photon source to determine photoreaction rates. This paper covers the latest cross section measurements with the LCS photon beams and a feasibility study of determining (γ, x) (x = n, p, α) reaction rates with the SCW radiation.

Original languageEnglish
Pages (from-to)153-158
Number of pages6
JournalEuropean Physical Journal A
Volume27
Issue numberSUPPL. 1
DOIs
Publication statusPublished - Mar 2006

Fingerprint

photonuclear reactions
rays
astrophysics
cross sections
backscattering
photoneutrons
light elements
photon beams
nuclear fusion
lasers
synchrotron radiation
reaction kinetics
nuclei
photons
radiation
electrons

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Utsunomiya, H., Goko, S., Toyokawa, H., Ohgaki, H., Soutome, K., Yonehara, H., ... Fülöp, Z. S. (2006). Photonuclear reaction data and γ-ray sources for astrophysics. European Physical Journal A, 27(SUPPL. 1), 153-158. https://doi.org/10.1140/epja/i2006-08-023-8

Photonuclear reaction data and γ-ray sources for astrophysics. / Utsunomiya, H.; Goko, S.; Toyokawa, H.; Ohgaki, H.; Soutome, K.; Yonehara, H.; Goriely, S.; Mohr, P.; Fülöp, Zs. S.

In: European Physical Journal A, Vol. 27, No. SUPPL. 1, 03.2006, p. 153-158.

Research output: Contribution to journalArticle

Utsunomiya, H, Goko, S, Toyokawa, H, Ohgaki, H, Soutome, K, Yonehara, H, Goriely, S, Mohr, P & Fülöp, ZS 2006, 'Photonuclear reaction data and γ-ray sources for astrophysics', European Physical Journal A, vol. 27, no. SUPPL. 1, pp. 153-158. https://doi.org/10.1140/epja/i2006-08-023-8
Utsunomiya H, Goko S, Toyokawa H, Ohgaki H, Soutome K, Yonehara H et al. Photonuclear reaction data and γ-ray sources for astrophysics. European Physical Journal A. 2006 Mar;27(SUPPL. 1):153-158. https://doi.org/10.1140/epja/i2006-08-023-8
Utsunomiya, H. ; Goko, S. ; Toyokawa, H. ; Ohgaki, H. ; Soutome, K. ; Yonehara, H. ; Goriely, S. ; Mohr, P. ; Fülöp, Zs. S. / Photonuclear reaction data and γ-ray sources for astrophysics. In: European Physical Journal A. 2006 ; Vol. 27, No. SUPPL. 1. pp. 153-158.
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