Direct measurement of 12C + 4He → 16O +γ total cross section at Ecm=1.2 MeV

H. Yamaguchi; K. Sagara; K. Fujita; D. Kodama; Y. Narikiyo; K. Hamamoto; T. Ban; N. Tao; T. Teranishi

doi:10.1063/1.4874074

Direct measurement of ¹²C + ⁴He → ¹⁶O +γ total cross section at E_cm=1.2 MeV

H. Yamaguchi, K. Sagara, K. Fujita, D. Kodama, Y. Narikiyo, K. Hamamoto, T. Ban, N. Tao, T. Teranishi

Experimental Particle Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

A fusion reaction of ¹²C+4He→¹⁶O+γ is one of the main reactions in He-burning of stars and important for nucleosynthesis. The fusion cross section at stellar energy of E_cm=0.3 MeV has not been determined precisely yet in spite of efforts for about 40 years. We plan to measure directly the total fusion cross section down to 0.7 MeV at Kyushu University Tandem accelerator Laboratory and to estimate the cross section at 0.3MeV by extrapolation. We have already measured the cross sections at 2.4 MeV and 1.5 MeV. The measurement at E_cm=1.2 MeV is in progress.

Original language	English
Title of host publication	Origin of Matter and Evolution of Galaxies 2013 - Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013
Publisher	American Institute of Physics Inc.
Pages	229-233
Number of pages	5
ISBN (Print)	9780735412286
DOIs	https://doi.org/10.1063/1.4874074
Publication status	Published - Jan 1 2014
Event	12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013 - Tsukuba, Japan Duration: Nov 18 2013 → Nov 21 2013

Publication series

Name	AIP Conference Proceedings
Volume	1594
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013
Country/Territory	Japan
City	Tsukuba
Period	11/18/13 → 11/21/13

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1063/1.4874074

Cite this

Yamaguchi, H., Sagara, K., Fujita, K., Kodama, D., Narikiyo, Y., Hamamoto, K., Ban, T., Tao, N., & Teranishi, T. (2014). Direct measurement of ¹²C + ⁴He → ¹⁶O +γ total cross section at E_cm=1.2 MeV. In Origin of Matter and Evolution of Galaxies 2013 - Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013 (pp. 229-233). (AIP Conference Proceedings; Vol. 1594). American Institute of Physics Inc.. https://doi.org/10.1063/1.4874074

Direct measurement of ¹²C + ⁴He → ¹⁶O +γ total cross section at E_cm=1.2 MeV. / Yamaguchi, H.; Sagara, K.; Fujita, K. et al.
Origin of Matter and Evolution of Galaxies 2013 - Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013. American Institute of Physics Inc., 2014. p. 229-233 (AIP Conference Proceedings; Vol. 1594).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yamaguchi, H, Sagara, K, Fujita, K, Kodama, D, Narikiyo, Y, Hamamoto, K, Ban, T, Tao, N & Teranishi, T 2014, Direct measurement of ¹²C + ⁴He → ¹⁶O +γ total cross section at E_cm=1.2 MeV. in Origin of Matter and Evolution of Galaxies 2013 - Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013. AIP Conference Proceedings, vol. 1594, American Institute of Physics Inc., pp. 229-233, 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013, Tsukuba, Japan, 11/18/13. https://doi.org/10.1063/1.4874074

Yamaguchi H, Sagara K, Fujita K, Kodama D, Narikiyo Y, Hamamoto K et al. Direct measurement of ¹²C + ⁴He → ¹⁶O +γ total cross section at E_cm=1.2 MeV. In Origin of Matter and Evolution of Galaxies 2013 - Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013. American Institute of Physics Inc. 2014. p. 229-233. (AIP Conference Proceedings). doi: 10.1063/1.4874074

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AU - Sagara, K.

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AU - Kodama, D.

AU - Narikiyo, Y.

AU - Hamamoto, K.

AU - Ban, T.

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AB - A fusion reaction of 12C+4He→16O+γ is one of the main reactions in He-burning of stars and important for nucleosynthesis. The fusion cross section at stellar energy of Ecm=0.3 MeV has not been determined precisely yet in spite of efforts for about 40 years. We plan to measure directly the total fusion cross section down to 0.7 MeV at Kyushu University Tandem accelerator Laboratory and to estimate the cross section at 0.3MeV by extrapolation. We have already measured the cross sections at 2.4 MeV and 1.5 MeV. The measurement at Ecm=1.2 MeV is in progress.

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