PROTON TRANSFERS IN THE NITROGEN-BORON SYSTEM AT 27.5 Mev
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
The proton transfer reactions, (1) B/sup 10/(N/sup 14/, O/sup 15/)Be/sup 9/, (2) B/sup 10/(N/sup 14/, C/sup 13/)C/sup 11/, and (3)B/sup 11/ (N/sup 14/, C/ sup 13/)C/sup 12/, leaving the reaction products in their ground states were investigated at 27.5 Mev. To distinguish these reactions from other events, the two product particles were detected in coincidence by silicon surface-barrier counters. ln addition, a proportional counter imposed the requirement that the observed particle have the correct charge. Angular distributions (1) and (2) peak at ro= 2.2 fermis when plotted as d sigma /dR/sub min/ vs r/sub 0/, where R of is the distance of closest approach for a Rutherford orbit and r/sub 0/, =R/ sub min/(A/sub 1///sup 1/2/ + A/sub 2//sup 1/3/). The total ground-state cross sections were determined to be (l) 1.34 plus or minus 0.30 mb, (2) 2.19 plus or minus 0.49 mb, and (3) less than 0.3 mb. The data are compared with the predictions of the tunneling theory, and good agreenment is found for the initial rise of the angular distribution. (auth)
- Research Organization:
- Oak Ridge National Lab., Tenn.
- NSA Number:
- NSA-16-009459
- OSTI ID:
- 4813880
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 125; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ANGULAR DISTRIBUTION
BERYLLIUM 9
BORON
BORON 10
BORON 11
CARBON 11
CARBON 12
CARBON 13
COINCIDENCE METHODS
CONFIGURATION
CROSS SECTIONS
CRYSTAL COUNTERS
DETECTION
ELECTRIC CHARGES
ENERGY LEVELS
ENERGY RANGE
MEV RANGE
NITROGEN
NITROGEN 14
NUCLEAR MODELS
NUCLEAR REACTIONS
OXYGEN 15
PHYSICS
PROPORTIONAL COUNTERS
PROTONS
SEMICONDUCTORS
TUNNEL EFFECT
BERYLLIUM 9
BORON
BORON 10
BORON 11
CARBON 11
CARBON 12
CARBON 13
COINCIDENCE METHODS
CONFIGURATION
CROSS SECTIONS
CRYSTAL COUNTERS
DETECTION
ELECTRIC CHARGES
ENERGY LEVELS
ENERGY RANGE
MEV RANGE
NITROGEN
NITROGEN 14
NUCLEAR MODELS
NUCLEAR REACTIONS
OXYGEN 15
PHYSICS
PROPORTIONAL COUNTERS
PROTONS
SEMICONDUCTORS
TUNNEL EFFECT