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First direct measurement of the {sup 23}Mg(p,gamma){sup 24}Al reaction

Journal Article · · Physical Review. C, Nuclear Physics
;  [1]; ; ; ; ; ; ; ; ; ; ; ; ; ; ;  [2]; ; ;  [3]
  1. Department of Physics, Colorado School of Mines, Golden, Colorado 80401 (United States)
  2. TRIUMF, Vancouver, British Columbia V6T 2A3 (Canada)
  3. McMaster University, Hamilton, Ontario L8S 481 (Canada)
+ Show Author Affiliations

The lowest-energy resonance in the {sup 23}Mg(p,gamma){sup 24}Al reaction, which is dominant at classical nova temperatures, has been measured directly for the first time using the DRAGON recoil spectrometer. The experiment used a radioactive {sup 23}Mg beam (mixed within a significantly stronger {sup 23}Na beam) of peak intensity 5x10{sup 7} s{sup -1}, at the ISAC facility at TRIUMF. We extract values of E{sub R}=485.7{sub -1.8}{sup +1.3} keV and omegagamma=38{sub -15}{sup +21} meV from our data (all values in the center-of-mass frame unless otherwise stated). In addition, the experiment prompted a recalculation of the Q value for this reaction based on a revision of the {sup 24}Al mass. The effect on the uncertainties in the quantities of ejected {sup 22}Na and {sup 26}Al from oxygen-neon classical novae is discussed.

OSTI ID:
21388985
Journal Information:
Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 4 Vol. 81; ISSN 0556-2813; ISSN PRVCAN
Country of Publication:
United States
Language:
English

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Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALUMINIUM 24
ALUMINIUM 26
ALUMINIUM ISOTOPES
BARYON REACTIONS
BEAMS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BINARY STARS
CENTER-OF-MASS SYSTEM
CHARGED-PARTICLE REACTIONS
DECAY
ELEMENTS
ENERGY
ENERGY RANGE
ERUPTIVE VARIABLE STARS
FLUIDS
GAMMA DECAY
GASES
HADRON REACTIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KEV RANGE
KEV RANGE 100-1000
LIGHT NUCLEI
MAGNESIUM 23 TARGET
MASS
MEASURING INSTRUMENTS
MILLISECONDS LIVING RADIOISOTOPES
NANOSECONDS LIVING RADIOISOTOPES
NEON
NONMETALS
NOVAE
NUCLEAR DECAY
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
OXYGEN
PROTON REACTIONS
Q-VALUE
RADIOISOTOPES
RARE GASES
RECOILS
RESONANCE
SECONDS LIVING RADIOISOTOPES
SODIUM 22
SODIUM 23
SODIUM ISOTOPES
SPECTROMETERS
STABLE ISOTOPES
STARS
TARGETS
VARIABLE STARS
YEARS LIVING RADIOISOTOPES