Determination of the asymptotic normalization coefficients for 14C + n <--> 15C, the 14C(n, gamma)15C reaction rate, and evaluation of a new method to determine spectroscopic factors

McCleskey, M.; Mukhamedzhanov, A. M.; Trache, L.; Tribble, R. E.; Banu, A.; Eremenko, V.; Goldberg, V. Z.; Lui, Y. W.; McCleskey, E.; Roeder, B. T.; Spiridon, A.; Carstoiu, F.; Burjan, V.; Hons, Z.; Thompson, I. J.

doi:10.1103/PhysRevC.89.044605

Title: Determination of the asymptotic normalization coefficients for ¹⁴C + n <--> ¹⁵C, the ¹⁴C(n, gamma)¹⁵C reaction rate, and evaluation of a new method to determine spectroscopic factors

Journal Article · Thu Apr 17 00:00:00 EDT 2014 · Physical Review C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.89.044605· OSTI ID:1130033

McCleskey, M. ^[1]; Mukhamedzhanov, A. M. ^[1]; Trache, L. ^[1]; Tribble, R. E. ^[1]; Banu, A. ^[1]; Eremenko, V. ^[1]; Goldberg, V. Z. ^[1]; Lui, Y. W. ^[1]; McCleskey, E. ^[1]; Roeder, B. T. ^[1]; Spiridon, A. ^[1]; Carstoiu, F. ^[2]; Burjan, V. ^[3]; Hons, Z. ^[3]; Thompson, I. J. ^[4]

Texas A and M Univ., Cyclotron Inst., TX (United States)
National Inst. for Physics and Nuclear Engineering, Bucharest-Magurele (Romania)
Nuclear Physics Inst., Czech Academy of Sciences, Prague (Czech Republic)
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

The ¹⁴C + n <--> ¹⁵C system has been used as a test case in the evaluation of a new method to determine spectroscopic factors that uses the asymptotic normalization coefficient (ANC). The method proved to be unsuccessful for this case. As part of this experimental program, the ANCs for the ¹⁵C ground state and first excited state were determined using a heavy-ion neutron transfer reaction as well as the inverse kinematics (d,p) reaction, measured at the Texas A&M Cyclotron Institute. The ANCs were used to evaluate the astrophysical direct neutron capture rate on ¹⁴C, which was then compared with the most recent direct measurement and found to be in good agreement. A study of the ¹⁵C SF via its mirror nucleus ¹⁵F and a new insight into deuteron stripping theory are also presented.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: DE-AC52-07NA27344

OSTI ID:: 1130033

Report Number(s):: LLNL-JRNL-653449

Journal Information:: Physical Review C, Nuclear Physics, Vol. 89, Issue 4; ISSN 0556-2813

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

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Title: Determination of the asymptotic normalization coefficients for ¹⁴C + n <--> ¹⁵C, the ¹⁴C(n, gamma)¹⁵C reaction rate, and evaluation of a new method to determine spectroscopic factors