Spectroscopic study of low-lying N16 levels

D. W. Bardayan; P. D. O'Malley; J. C. Blackmon; K. Y. Chae; K. A. Chipps; J. A. Cizewski; R. Hatarik; K. L. Jones; R. L. Kozub; C. Matei; B. H. Moazen; C. D. Nesaraja; S. D. Pain; S. Paulauskas; W. A. Peters; S. T. Pittman; K. T. Schmitt; J. F. Shriner; M. S. Smith

doi:10.1103/PhysRevC.78.052801

Spectroscopic study of low-lying N16 levels

D. W. Bardayan, P. D. O'Malley, J. C. Blackmon, K. Y. Chae, K. A. Chipps, J. A. Cizewski, R. Hatarik, K. L. Jones, R. L. Kozub, C. Matei, B. H. Moazen, C. D. Nesaraja, S. D. Pain, S. Paulauskas, W. A. Peters, S. T. Pittman, K. T. Schmitt, J. F. Shriner, M. S. Smith

Nuclear Structure and Nuclear Astrophysi

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

19 Scopus citations

Abstract

The magnitude of the 15N(n,γ)16N reaction rate in asymptotic giant branch stars depends directly on the neutron spectroscopic factors of low-lying N16 levels. A new study of the 15N(d,p)16N reaction is reported populating the ground and first three excited states in N16. The measured spectroscopic factors are near unity as expected from shell model calculations, resolving a long-standing discrepancy with earlier measurements that had never been confirmed or understood. Updated 15N(n,γ)16N reaction rates are presented.

Original language	English
Article number	052801
Journal	Physical Review C - Nuclear Physics
Volume	78
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.78.052801
State	Published - Nov 4 2008

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Bardayan, D. W., O'Malley, P. D., Blackmon, J. C., Chae, K. Y., Chipps, K. A., Cizewski, J. A., Hatarik, R., Jones, K. L., Kozub, R. L., Matei, C., Moazen, B. H., Nesaraja, C. D., Pain, S. D., Paulauskas, S., Peters, W. A., Pittman, S. T., Schmitt, K. T., Shriner, J. F., & Smith, M. S. (2008). Spectroscopic study of low-lying N16 levels. Physical Review C - Nuclear Physics, 78(5), Article 052801. https://doi.org/10.1103/PhysRevC.78.052801

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title = "Spectroscopic study of low-lying N16 levels",

abstract = "The magnitude of the 15N(n,γ)16N reaction rate in asymptotic giant branch stars depends directly on the neutron spectroscopic factors of low-lying N16 levels. A new study of the 15N(d,p)16N reaction is reported populating the ground and first three excited states in N16. The measured spectroscopic factors are near unity as expected from shell model calculations, resolving a long-standing discrepancy with earlier measurements that had never been confirmed or understood. Updated 15N(n,γ)16N reaction rates are presented.",

author = "Bardayan, {D. W.} and O'Malley, {P. D.} and Blackmon, {J. C.} and Chae, {K. Y.} and Chipps, {K. A.} and Cizewski, {J. A.} and R. Hatarik and Jones, {K. L.} and Kozub, {R. L.} and C. Matei and Moazen, {B. H.} and Nesaraja, {C. D.} and Pain, {S. D.} and S. Paulauskas and Peters, {W. A.} and Pittman, {S. T.} and Schmitt, {K. T.} and Shriner, {J. F.} and Smith, {M. S.}",

year = "2008",

month = nov,

day = "4",

doi = "10.1103/PhysRevC.78.052801",

language = "English",

volume = "78",

journal = "Physical Review C - Nuclear Physics",

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Bardayan, DW, O'Malley, PD, Blackmon, JC, Chae, KY, Chipps, KA, Cizewski, JA, Hatarik, R, Jones, KL, Kozub, RL, Matei, C, Moazen, BH, Nesaraja, CD , Pain, SD, Paulauskas, S, Peters, WA, Pittman, ST, Schmitt, KT, Shriner, JF & Smith, MS 2008, 'Spectroscopic study of low-lying N16 levels', Physical Review C - Nuclear Physics, vol. 78, no. 5, 052801. https://doi.org/10.1103/PhysRevC.78.052801

TY - JOUR

T1 - Spectroscopic study of low-lying N16 levels

AU - Bardayan, D. W.

AU - O'Malley, P. D.

AU - Blackmon, J. C.

AU - Chae, K. Y.

AU - Chipps, K. A.

AU - Cizewski, J. A.

AU - Hatarik, R.

AU - Jones, K. L.

AU - Kozub, R. L.

AU - Matei, C.

AU - Moazen, B. H.

AU - Nesaraja, C. D.

AU - Pain, S. D.

AU - Paulauskas, S.

AU - Peters, W. A.

AU - Pittman, S. T.

AU - Schmitt, K. T.

AU - Shriner, J. F.

AU - Smith, M. S.

PY - 2008/11/4

Y1 - 2008/11/4

N2 - The magnitude of the 15N(n,γ)16N reaction rate in asymptotic giant branch stars depends directly on the neutron spectroscopic factors of low-lying N16 levels. A new study of the 15N(d,p)16N reaction is reported populating the ground and first three excited states in N16. The measured spectroscopic factors are near unity as expected from shell model calculations, resolving a long-standing discrepancy with earlier measurements that had never been confirmed or understood. Updated 15N(n,γ)16N reaction rates are presented.

AB - The magnitude of the 15N(n,γ)16N reaction rate in asymptotic giant branch stars depends directly on the neutron spectroscopic factors of low-lying N16 levels. A new study of the 15N(d,p)16N reaction is reported populating the ground and first three excited states in N16. The measured spectroscopic factors are near unity as expected from shell model calculations, resolving a long-standing discrepancy with earlier measurements that had never been confirmed or understood. Updated 15N(n,γ)16N reaction rates are presented.

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U2 - 10.1103/PhysRevC.78.052801

DO - 10.1103/PhysRevC.78.052801

M3 - Article

AN - SCOPUS:56149112498

SN - 0556-2813

VL - 78

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 5

M1 - 052801

ER -

Spectroscopic study of low-lying N16 levels

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