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Sean R. Bishop

General Electric

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Physical Review Letters | 2003

21Na(p,gamma)22Mg reaction and oxygen-neon novae.

Sean R. Bishop; R. E. Azuma; L. Buchmann; A. A. Chen; M.L. Chatterjee; J.M. D'Auria; S. Engel; D. Gigliotti; U. Greife; Margarita Hernanz; D. Hunter; A. Hussein; D. A. Hutcheon; C. C. Jewett; Jordi Jose; J.D. King; S. Kubono; A. M. Laird; Michael Lamey; Rachel Lewis; W. Liu; S. Michimasa; A. Olin; D. Ottewell; P. D. Parker; J. Rogers; F. Strieder; C. Wrede

The 21Na(p,gamma)22Mg reaction is expected to play an important role in the nucleosynthesis of 22Na in oxygen-neon novae. The decay of 22Na leads to the emission of a characteristic 1.275 MeV gamma-ray line. This report provides the first direct measurement of the rate of this reaction using a radioactive 21Na beam, and discusses its astrophysical implications. The energy of the important state was measured to be E(c.m.)=205.7+/-0.5 keV with a resonance strength omegagamma=1.03+/-0.16(stat)+/-0.14(sys) meV.

Physical Review Letters | 2003

Na21(p,γ)Mg22Reaction and Oxygen-Neon Novae

Sean R. Bishop; R. E. Azuma; L. Buchmann; A. A. Chen; M. L. Chatterjee; J. M. D’Auria; S. Engel; D. Gigliotti; U. Greife; Margarita Hernanz; D. Hunter; A. Hussein; D. A. Hutcheon; C. Jewett; Jordi Jose; J.D. King; S. Kubono; A. M. Laird; Michael Lamey; Rachel Lewis; W. Liu; S. Michimasa; A. Olin; D. Ottewell; P. D. Parker; J. Rogers; F. Strieder; C. Wrede

The 21Na(p,gamma)22Mg reaction is expected to play an important role in the nucleosynthesis of 22Na in oxygen-neon novae. The decay of 22Na leads to the emission of a characteristic 1.275 MeV gamma-ray line. This report provides the first direct measurement of the rate of this reaction using a radioactive 21Na beam, and discusses its astrophysical implications. The energy of the important state was measured to be E(c.m.)=205.7+/-0.5 keV with a resonance strength omegagamma=1.03+/-0.16(stat)+/-0.14(sys) meV.

Physical Review Letters | 2003

The 21Na(p,gamma)22Mg Reaction and Oxygen-Neon Novae

Sean R. Bishop; R. E. Azuma; L. Buchmann; A. A. Chen; M. L. Chatterjee; J.M. D'Auria; S. Engel; D. Gigliotti; U. Greife; Margarita Hernanz; D. Hunter; A. Hussein; D. A. Hutcheon; C. Jewett; Jordi Jose; J.D. King; S. Kubono; A. M. Laird; Michael Lamey; Rachel Lewis; W. Liu; S. Michimasa; A. Olin; D. Ottewell; P. D. Parker; J. Rogers; F. Strieder; C. Wrede

The 21Na(p,gamma)22Mg reaction is expected to play an important role in the nucleosynthesis of 22Na in oxygen-neon novae. The decay of 22Na leads to the emission of a characteristic 1.275 MeV gamma-ray line. This report provides the first direct measurement of the rate of this reaction using a radioactive 21Na beam, and discusses its astrophysical implications. The energy of the important state was measured to be E(c.m.)=205.7+/-0.5 keV with a resonance strength omegagamma=1.03+/-0.16(stat)+/-0.14(sys) meV.

Physical Review C | 2011

Improving the P30(p,γ)S31 rate in oxygen-neon novae: Constraints on Jπ values for proton-threshold states in S31

A. Parikh; K. Wimmer; T. Faestermann; R. Hertenberger; Jordi Jose; R. Longland; H.-F. Wirth; V. Bildstein; Sean R. Bishop; Alan Anlon Chen; J. A. Clark; C. Deibel; C. Herlitzius; R. Krücken; D. Seiler; K. Straub; C. Wrede

Physical Review Letters | 2001

Precise Half-Life Measurement for the Superallowed 0{sup +}{yields}0{sup +} {beta} Emitter {sup 74}Rb : First Results from the New Radioactive Beam Facility (ISAC) at TRIUMF

G. Ball; Sean R. Bishop; Behr Ja; Boisvert Gc; P. Bricault; Cerny J; J.M. D'Auria; M. Dombsky; J.C. Hardy; Iacob; Leslie; Lindner T; J. A. Macdonald; H.B. Mak; Moltz Dm; Powell J; G. Savard; I. S. Towner

Physical Review Letters | 2003

21Na(p, γ)22Mg reaction and oxygen-neon novae

Sean R. Bishop; R. E. Azuma; L. Buchmann; A. A. Chen; M.L. Chatterjee; J.M. D'Auria; S. Engel; D. Gigliotti; U. Greife; Margarita Hernanz; D. Hunter; A. Hussein; D. A. Hutcheon; C. C. Jewett; J. Josd; J.D. King; S. Kubono; A. M. Laird; Michael Lamey; Rachel Lewis; W. Liu; S. Michimasa; A. Olin; D. Ottewell; P. D. Parker; J. Rogers; F. Strieder; C. Wrede

Physical Review Letters | 2003

Erratum:Na21(p,γ)Mg22Reaction and Oxygen-Neon Novae [Phys. Rev. Lett.90, 162501 (2003)]

Sean R. Bishop; R. E. Azuma; L. Buchmann; A. A. Chen; M. L. Chatterjee; J. M. D’Auria; S. Engel; D. Gigliotti; U. Greife; Margarita Hernanz; D. Hunter; A. Hussein; D. A. Hutcheon; C. Jewett; Jordi Jose; J.D. King; S. Kubono; A. M. Laird; Michael Lamey; Rachel Lewis; W. Liu; S. Michimasa; A. Olin; D. Ottewell; P. D. Parker; J. Rogers; F. Strieder; C. Wrede

Physical Review C | 2011

Improving the ³°P(p,)³¹S rate in oxygen-neon novae: Constraints on J{sup } values for proton-threshold states in ³¹S

A. Parikh; K. Wimmer; Th. Faestermann; V. Bildstein; Sean R. Bishop; C. Herlitzius; R. Kruecken; D. Seiler; Karl D. Straub; R. Hertenberger; H.-F. Wirth; Jordi Jose; R. Longland; Alan Anlon Chen; James Clark; C. M. Deibel

FRONTIERS IN NUCLEAR STRUCTURE, ASTROPHYSICS, AND REACTIONS: FINUSTAR 3 | 2011

Improving the [sup 33]S(p,γ)[sup 34]Cl Reaction Rate for Models of Classical Nova Explosions

A. Parikh; Th. Faestermann; R. Krücken; V. Bildstein; Sean R. Bishop; K. Eppinger; C. Herlitzius; O. Lepyoshkina; P. Maierbeck; D. Seiler; K. Wimmer; R. Hertenberger; H.-F. Wirth; J. Fallis; U. Hager; D.A. Hutcheon; Ch. Ruiz; L. Buchmann; D. Ottewell; B. M. Freeman; C. Wrede; Antonio Garcia; B. Delbridge; A. Knecht; Anne L. Sallaska; A. A. Chen; James Clark; C. Deibel; B. R. Fulton; A. M. Laird

AIP Conference Proceedings | 2011

Improving the {sup 33}S(p,{gamma}){sup 34}Cl Reaction Rate for Models of Classical Nova Explosions

A. Parikh; Th. Faestermann; R. Kruecken; V. Bildstein; Sean R. Bishop; K. Eppinger; C. Herlitzius; O. Lepyoshkina; P. Maierbeck; D. Seiler; K. Wimmer; R. Hertenberger; H.-F. Wirth; J. Fallis; U. Hager; D.A. Hutcheon; Ch. Ruiz; L. Buchmann; D. Ottewell; B. M. Freeman

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