Gamow-Teller strength in the exotic odd-odd nuclei La138 and Ta180 and its relevance for neutrino nucleosynthesis

A. Byelikov, T. Adachi, H. Fujita, K. Fujita, Y. Fujita, K. Hatanaka, A. Heger, Y. Kalmykov, K. Kawase, K. Langanke, G. Martínez-Pinedo, K. Nakanishi, P. Von Neumann-Cosel, R. Neveling, A. Richter, N. Sakamoto, Y. Sakemi, A. Shevchenko, Y. Shimbara, Y. ShimizuF. D. Smit, Y. Tameshige, A. Tamii, S. E. Woosley, M. Yosoi

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Abstract

The Gamow-Teller strength distributions below the particle threshold in La138 and Ta180, deduced from high-resolution measurements of the (He3,t) reaction at 0°, allow us to evaluate the role of charged-current reactions for the production of these extremely rare nuclides in neutrino-nucleosynthesis models. The analysis suggests that essentially all La138 in the Universe can be made that way. Neutrino nucleosynthesis also contributes significantly to the abundance of Ta180 but the magnitude depends on the unknown branching ratio for population of the long-lived isomer.

Original languageEnglish
Article number082501
JournalPhysical Review Letters
Volume98
Issue number8
DOIs
Publication statusPublished - Feb 23 2007

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odd-odd nuclei
nuclear fusion
neutrinos
nuclides
isomers
universe
thresholds
high resolution

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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Gamow-Teller strength in the exotic odd-odd nuclei La138 and Ta180 and its relevance for neutrino nucleosynthesis. / Byelikov, A.; Adachi, T.; Fujita, H.; Fujita, K.; Fujita, Y.; Hatanaka, K.; Heger, A.; Kalmykov, Y.; Kawase, K.; Langanke, K.; Martínez-Pinedo, G.; Nakanishi, K.; Von Neumann-Cosel, P.; Neveling, R.; Richter, A.; Sakamoto, N.; Sakemi, Y.; Shevchenko, A.; Shimbara, Y.; Shimizu, Y.; Smit, F. D.; Tameshige, Y.; Tamii, A.; Woosley, S. E.; Yosoi, M.

In: Physical Review Letters, Vol. 98, No. 8, 082501, 23.02.2007.

Research output: Contribution to journalArticle

Byelikov, A, Adachi, T, Fujita, H, Fujita, K, Fujita, Y, Hatanaka, K, Heger, A, Kalmykov, Y, Kawase, K, Langanke, K, Martínez-Pinedo, G, Nakanishi, K, Von Neumann-Cosel, P, Neveling, R, Richter, A, Sakamoto, N, Sakemi, Y, Shevchenko, A, Shimbara, Y, Shimizu, Y, Smit, FD, Tameshige, Y, Tamii, A, Woosley, SE & Yosoi, M 2007, 'Gamow-Teller strength in the exotic odd-odd nuclei La138 and Ta180 and its relevance for neutrino nucleosynthesis', Physical Review Letters, vol. 98, no. 8, 082501. https://doi.org/10.1103/PhysRevLett.98.082501
Byelikov, A. ; Adachi, T. ; Fujita, H. ; Fujita, K. ; Fujita, Y. ; Hatanaka, K. ; Heger, A. ; Kalmykov, Y. ; Kawase, K. ; Langanke, K. ; Martínez-Pinedo, G. ; Nakanishi, K. ; Von Neumann-Cosel, P. ; Neveling, R. ; Richter, A. ; Sakamoto, N. ; Sakemi, Y. ; Shevchenko, A. ; Shimbara, Y. ; Shimizu, Y. ; Smit, F. D. ; Tameshige, Y. ; Tamii, A. ; Woosley, S. E. ; Yosoi, M. / Gamow-Teller strength in the exotic odd-odd nuclei La138 and Ta180 and its relevance for neutrino nucleosynthesis. In: Physical Review Letters. 2007 ; Vol. 98, No. 8.
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