Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H

D.W. Bardayan; J.C. Blackmon; C.R. Brune; A.E. Champagne; A.A. Chen; J.M. Cox; T. Davinson; V.Y. Hansper; M.A. Hofstee; B.A. Johnson; R.L. Kozub; Z. Ma; P.D. Parker; D.E. Pierce; M.T. Rabban; A.C. Shotter; M.S. Smith; K.B. Swartz; D.W. Visser; P.J. Woods

Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H

D.W. Bardayan, J.C. Blackmon, C.R. Brune, A.E. Champagne, A.A. Chen, J.M. Cox, T. Davinson, V.Y. Hansper, M.A. Hofstee, B.A. Johnson, R.L. Kozub, Z. Ma, P.D. Parker, D.E. Pierce, M.T. Rabban, A.C. Shotter, M.S. Smith, K.B. Swartz, D.W. Visser, P.J. Woods

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The F(p, γ)Ne reaction is important in stellar explosions, but its rate has been uncertain because of an expected 3 state in Ne that has never been conclusively observed. This state would provide a strong ℓ = 0 resonance and, depending on its excitation energy, could dominate the stellar reaction rate. We have observed this missing 3 state by measuring the H(F, p)F excitation function with a radioactive F beam at the ORNL Holifield Radioactive Ion Beam Facility. We find that the state lies at a center-of-mass energy of E = 599.8 ± 1.5 ± 2.0 keV (E = 4523.7 ± 2.9 keV) and has a width of Γ = 18 ± 2 ± 1 keV.

Original language	English
Pages (from-to)	45-48
Number of pages	4
Journal	Physical Review Letters
Volume	83
Issue number	1
Publication status	Published - 5 Jul 1999

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Bardayan, D. W., Blackmon, J. C., Brune, C. R., Champagne, A. E., Chen, A. A., Cox, J. M., Davinson, T., Hansper, V. Y., Hofstee, M. A., Johnson, B. A., Kozub, R. L., Ma, Z., Parker, P. D., Pierce, D. E., Rabban, M. T., Shotter, A. C., Smith, M. S., Swartz, K. B., Visser, D. W., & Woods, P. J. (1999). Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H. Physical Review Letters, 83(1), 45-48.

Bardayan, D.W. ; Blackmon, J.C. ; Brune, C.R. ; Champagne, A.E. ; Chen, A.A. ; Cox, J.M. ; Davinson, T. ; Hansper, V.Y. ; Hofstee, M.A. ; Johnson, B.A. ; Kozub, R.L. ; Ma, Z. ; Parker, P.D. ; Pierce, D.E. ; Rabban, M.T. ; Shotter, A.C. ; Smith, M.S. ; Swartz, K.B. ; Visser, D.W. ; Woods, P.J. / Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H. In: Physical Review Letters. 1999 ; Vol. 83, No. 1. pp. 45-48.

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title = "Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H",

abstract = "The F(p, γ)Ne reaction is important in stellar explosions, but its rate has been uncertain because of an expected 3 state in Ne that has never been conclusively observed. This state would provide a strong ℓ = 0 resonance and, depending on its excitation energy, could dominate the stellar reaction rate. We have observed this missing 3 state by measuring the H(F, p)F excitation function with a radioactive F beam at the ORNL Holifield Radioactive Ion Beam Facility. We find that the state lies at a center-of-mass energy of E = 599.8 ± 1.5 ± 2.0 keV (E = 4523.7 ± 2.9 keV) and has a width of Γ = 18 ± 2 ± 1 keV.",

author = "D.W. Bardayan and J.C. Blackmon and C.R. Brune and A.E. Champagne and A.A. Chen and J.M. Cox and T. Davinson and V.Y. Hansper and M.A. Hofstee and B.A. Johnson and R.L. Kozub and Z. Ma and P.D. Parker and D.E. Pierce and M.T. Rabban and A.C. Shotter and M.S. Smith and K.B. Swartz and D.W. Visser and P.J. Woods",

year = "1999",

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day = "5",

language = "English",

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pages = "45--48",

journal = "Physical Review Letters",

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Bardayan, DW, Blackmon, JC, Brune, CR, Champagne, AE, Chen, AA, Cox, JM, Davinson, T, Hansper, VY, Hofstee, MA, Johnson, BA, Kozub, RL, Ma, Z, Parker, PD, Pierce, DE, Rabban, MT, Shotter, AC, Smith, MS, Swartz, KB, Visser, DW & Woods, PJ 1999, 'Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H', Physical Review Letters, vol. 83, no. 1, pp. 45-48.

Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H. / Bardayan, D.W.; Blackmon, J.C.; Brune, C.R.; Champagne, A.E.; Chen, A.A.; Cox, J.M.; Davinson, T.; Hansper, V.Y.; Hofstee, M.A.; Johnson, B.A.; Kozub, R.L.; Ma, Z.; Parker, P.D.; Pierce, D.E.; Rabban, M.T.; Shotter, A.C.; Smith, M.S.; Swartz, K.B.; Visser, D.W.; Woods, P.J.

In: Physical Review Letters, Vol. 83, No. 1, 05.07.1999, p. 45-48.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H

AU - Bardayan, D.W.

AU - Blackmon, J.C.

AU - Brune, C.R.

AU - Champagne, A.E.

AU - Chen, A.A.

AU - Cox, J.M.

AU - Davinson, T.

AU - Hansper, V.Y.

AU - Hofstee, M.A.

AU - Johnson, B.A.

AU - Kozub, R.L.

AU - Ma, Z.

AU - Parker, P.D.

AU - Pierce, D.E.

AU - Rabban, M.T.

AU - Shotter, A.C.

AU - Smith, M.S.

AU - Swartz, K.B.

AU - Visser, D.W.

AU - Woods, P.J.

PY - 1999/7/5

Y1 - 1999/7/5

N2 - The F(p, γ)Ne reaction is important in stellar explosions, but its rate has been uncertain because of an expected 3 state in Ne that has never been conclusively observed. This state would provide a strong ℓ = 0 resonance and, depending on its excitation energy, could dominate the stellar reaction rate. We have observed this missing 3 state by measuring the H(F, p)F excitation function with a radioactive F beam at the ORNL Holifield Radioactive Ion Beam Facility. We find that the state lies at a center-of-mass energy of E = 599.8 ± 1.5 ± 2.0 keV (E = 4523.7 ± 2.9 keV) and has a width of Γ = 18 ± 2 ± 1 keV.

AB - The F(p, γ)Ne reaction is important in stellar explosions, but its rate has been uncertain because of an expected 3 state in Ne that has never been conclusively observed. This state would provide a strong ℓ = 0 resonance and, depending on its excitation energy, could dominate the stellar reaction rate. We have observed this missing 3 state by measuring the H(F, p)F excitation function with a radioactive F beam at the ORNL Holifield Radioactive Ion Beam Facility. We find that the state lies at a center-of-mass energy of E = 599.8 ± 1.5 ± 2.0 keV (E = 4523.7 ± 2.9 keV) and has a width of Γ = 18 ± 2 ± 1 keV.

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JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 1

ER -

Observation of the astrophysically important 3 state in Ne via elastic scattering of a radioactive F beam from H

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