Measurement of the Ec.m.=184keV resonance strength in the Al26g(p,γ)Si27 reaction

A. Parikh, Yale University
J. José, Universitat Politècnica de Catalunya
L. Buchmann, TRIUMF
J. A. Caggiano, TRIUMF
A. A. Chen, McMaster University
J. A. Clark, Yale University
H. Crawford, Simon Fraser University
B. Davids, TRIUMF
J. M. D'Auria, Simon Fraser University
C. Davis, TRIUMF
C. Deibel, Yale University
L. Erikson, Colorado School of Mines
L. Fogarty, Maynooth University
D. Frekers, Westfälische Wilhelms-Universität Münster
U. Greife, Colorado School of Mines
A. Hussein, University of Northern British Columbia
D. A. Hutcheon, TRIUMF
M. Huyse, KU Leuven
C. Jewett, Colorado School of Mines
A. M. Laird, University of York
R. Lewis, Yale University
P. Mumby-Croft, University of York
D. F. Ottewell, TRIUMF
C. V. Ouellet, McMaster University
P. Parker, Yale University
J. Pearson, McMaster University
G. Ruprecht, TRIUMF
M. Trinczek, TRIUMF
C. Vockenhuber, TRIUMF
C. Wrede, Yale University


The strength of the Ec.m.=184keV resonance in the Al26g(p,γ)Si27 reaction has been measured in inverse kinematics using the DRAGON recoil separator at TRIUMF's ISAC facility. We measure a value of ωγ= 35±7μeV and a resonance energy of Ec.m.=184±1keV, consistent with p-wave proton capture into the 7652(3) KeV state in Si 27, and discuss the implications of these value for Al 26g nucleosynthesis in typical oxygen-neon white-dwarf novae. © 2006 The American Physical Society.