Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S

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

Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S

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

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Abstract

Low-energy resonances in 31P(p, α 28Si and 35Cl(p, α)32S were studied directly in order to gain a better understanding of reaction cycling in the Si-Ar region in novae. New resonance strengths at E c.m. = 600 and 622 keV in 31P(p, α)28Si were measured ( ωγ p, α = (2.2#x00B1;0.7) × 10-2 eV and ωγ p, α = (0.99±0.08) eV, respectively) as well as the E c.m. = 610 keV resonance in 35Cl(p, α)32S [ ωγ p, α = (1.2±0.2) × 10-2 eV], the lowest energy that any resonance in this reaction has been observed, directly or indirectly. The strengths of these resonances were found to be lower than previously determined, resulting in even weaker cycling in the Si-Ar region.

Original language	English
Pages (from-to)	66
Journal	European Physical Journal A
Volume	47
Publication status	Published - 1 May 2011

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Moazen, B. H., Matei, C., Bardayan, D. W., Blackmon, J. C., Chae, K. Y., Chipps, K. A., Hatarik, R., Jones, K. L., Kozub, R. L., Matos, M., Nesaraja, C. D., O'Malley, P. D., Pain, S. D., Pelham, T. G., Peters, W. A., Pittman, S. T., Shriner, J. F., & Smith, M. S. (2011). Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S. European Physical Journal A, 47, 66. http://adsabs.harvard.edu/abs/2011EPJA...47...66M

@article{1a3b787197dc4d7db06145fdc3f7568a,

title = "Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S",

abstract = "Low-energy resonances in 31P(p, α 28Si and 35Cl(p, α)32S were studied directly in order to gain a better understanding of reaction cycling in the Si-Ar region in novae. New resonance strengths at E c.m. = 600 and 622 keV in 31P(p, α)28Si were measured ( ωγ p, α = (2.2#x00B1;0.7) × 10-2 eV and ωγ p, α = (0.99±0.08) eV, respectively) as well as the E c.m. = 610 keV resonance in 35Cl(p, α)32S [ ωγ p, α = (1.2±0.2) × 10-2 eV], the lowest energy that any resonance in this reaction has been observed, directly or indirectly. The strengths of these resonances were found to be lower than previously determined, resulting in even weaker cycling in the Si-Ar region.",

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

year = "2011",

month = may,

day = "1",

language = "English",

volume = "47",

pages = "66",

journal = "European Physical Journal A",

issn = "1434-6001",

publisher = "EDP Sciences",

}

Moazen, BH, Matei, C, Bardayan, DW, Blackmon, JC, Chae, KY, Chipps, KA, Hatarik, R, Jones, KL, Kozub, RL, Matos, M, Nesaraja, CD, O'Malley, PD, Pain, SD, Pelham, TG, Peters, WA, Pittman, ST, Shriner, JF & Smith, MS 2011, 'Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S', European Physical Journal A, vol. 47, pp. 66. <http://adsabs.harvard.edu/abs/2011EPJA...47...66M>

TY - JOUR

T1 - Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S

AU - Moazen, B. H.

AU - Matei, C.

AU - Bardayan, D. W.

AU - Blackmon, J. C.

AU - Chae, K. Y.

AU - Chipps, K. A.

AU - Hatarik, R.

AU - Jones, K. L.

AU - Kozub, R. L.

AU - Matos, M.

AU - Nesaraja, C. D.

AU - O'Malley, P. D.

AU - Pain, S. D.

AU - Pelham, Timothy G

AU - Peters, W. A.

AU - Pittman, S. T.

AU - Shriner, J. F.

AU - Smith, M. S.

PY - 2011/5/1

Y1 - 2011/5/1

N2 - Low-energy resonances in 31P(p, α 28Si and 35Cl(p, α)32S were studied directly in order to gain a better understanding of reaction cycling in the Si-Ar region in novae. New resonance strengths at E c.m. = 600 and 622 keV in 31P(p, α)28Si were measured ( ωγ p, α = (2.2#x00B1;0.7) × 10-2 eV and ωγ p, α = (0.99±0.08) eV, respectively) as well as the E c.m. = 610 keV resonance in 35Cl(p, α)32S [ ωγ p, α = (1.2±0.2) × 10-2 eV], the lowest energy that any resonance in this reaction has been observed, directly or indirectly. The strengths of these resonances were found to be lower than previously determined, resulting in even weaker cycling in the Si-Ar region.

AB - Low-energy resonances in 31P(p, α 28Si and 35Cl(p, α)32S were studied directly in order to gain a better understanding of reaction cycling in the Si-Ar region in novae. New resonance strengths at E c.m. = 600 and 622 keV in 31P(p, α)28Si were measured ( ωγ p, α = (2.2#x00B1;0.7) × 10-2 eV and ωγ p, α = (0.99±0.08) eV, respectively) as well as the E c.m. = 610 keV resonance in 35Cl(p, α)32S [ ωγ p, α = (1.2±0.2) × 10-2 eV], the lowest energy that any resonance in this reaction has been observed, directly or indirectly. The strengths of these resonances were found to be lower than previously determined, resulting in even weaker cycling in the Si-Ar region.

M3 - Article (Academic Journal)

SN - 1434-6001

VL - 47

SP - 66

JO - European Physical Journal A

JF - European Physical Journal A

ER -

Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S

Abstract

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