Abstract
The (p,α) reactions on T=1/2 nuclei like ^23Na, ^27Al, ^31P, and
^35Cl, and the competing (p,γ) reactions are important for
understanding the reaction flow to heavier elements in the rp-process.
Previous rate calculations of the ^31P(p,α)^28Si reaction were
based on indirect information gained from studies of the
^31P(^3He,d)^28S reaction [1]. At ORNL, we measured the energy and
strength of the 371 and 599 keV resonances in ^31P(p,α)^28Si using
a technique previously employed for an ^17O(p,α)^14N study[2]. A
beam of ^31P bombarded hydrogen gas which filled a large, differentially
pumped scattering chamber at a pressure of 3 Torr. The alpha particle
and ^28Si recoil were detected in coincidence and the reaction vertex
was determined using the relative kinematics of the reaction products.
The experimental setup and preliminary results will be presented. [1]
Ross et al., Phys. Rev C 52, 1681 (1995) [2] B. H. Moazen et al., Phys.
Rev. C 75, 065801 (2006) ORNL is managed by UT-Battelle for the US DOE
Original language | English |
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Pages | BAPS.2008.DNP.MG.9 |
Publication status | Published - 1 Oct 2008 |
Event | 2008 Annual Meeting of the Division of Nuclear Physics, American Physical Society - Oakland, United States Duration: 23 Oct 2008 → 26 Oct 2008 http://meetings.aps.org/Meeting/DNP08/Content/1205 |
Conference
Conference | 2008 Annual Meeting of the Division of Nuclear Physics, American Physical Society |
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Abbreviated title | DNP08 Meeting |
Country/Territory | United States |
City | Oakland |
Period | 23/10/08 → 26/10/08 |
Internet address |