Determination of astrophysical thermonuclear rates with a bubble chamber: The {sup 12}C(αγ){sup 16}O reaction case

Journal Article · Thu Nov 07 00:00:00 EST 2013 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4829419· OSTI ID:22280690

DiGiovine, B.; Henderson, D.; Holt, R. J.; Rehm, K. E. ^[1]; Grames, J.; Meekins, D.; Poelker, M.; Suleiman, R. ^[2]; Robinson, A.; Sonnenschein, A. ^[3]

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1. Argonne National Laboratory, Argonne IL 60439 (United States)
2. Jefferson Lab, Newport News, VA 23606 (United States)
3. Fermilab, Batavia, IL 60510 (United States)

The {sup 12}C(αγ){sup 16}O reaction rate is considered one of the most important unknown parameters in the physics of structure and evolution of massive stars. While extensive experimental campaigns have been performed trying to improve the quality of the measurements, the rate still holds very large uncertainties. Here we discuss a new experimantal scheme to measure the cross section of this reaction with a bubble chamber and a bremsstrahlung beam. The main advantage of the technique is a gain in the luminosity of several orders of magnitude when compared to other ongoing experiments.

• OSTI ID: 22280690
• Journal Information: AIP Conference Proceedings, Vol. 1563, Issue 1; Conference: Workshop to explore physics opportunities with intense, polarized electron beams at 50-300 MeV, Cambridge, MA (United States), 14-16 Mar 2013; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
79 ASTROPHYSICS
COSMOLOGY AND ASTRONOMY
ALPHA REACTIONS
ASTROPHYSICS
BREMSSTRAHLUNG
BUBBLE CHAMBERS
CARBON 12 TARGET
COMPARATIVE EVALUATIONS
CROSS SECTIONS
GAIN
GIANT STARS
NUCLEAR REACTION KINETICS
OXYGEN 16
PHOTON BEAMS
STAR EVOLUTION