CROSS-SECTIONS FOR (n,p) AND (n,$alpha$) REACTIONS OF MAGNESIUM WITH 14.8 Mev NEUTRONS A NEW ISOTOPE Na$sup 2$$sup 6$
> Irradiation of natural magnesium metal or highly enriched Mg/sup 26/O with 14.8 Mev neutrons gives rise to a new activity with a half-life of 1.04 plus or minus 0.03 s which is assigned to Na/sup 26/ from the Mg/sup 26/(n,p) reaction. The decay appears to proceed mainly by high energy (>5 Mev) BETA particles. The reaction cross-section is 50 plus or minus 5 mb, based on a value of 89 mb for the O/sup 16/(n,p)N/sup 16/ reaction at 14.8 Mev. Simultaneously, the Mg/sup 26/(n, alpha ) reaction produces well-known Ne/sup 23/ with a cross-section of 89 plus or minus 5 mb, based on the O/sup 16/(n,p) yield. A new measurement of the Ne/sup 23/ half-life gives a value of 38.0 plus or minus 0.3 s. The cross-section for the Mg/sup 25/(n,p)Na/sup 25/ reaction is 60 plus or minus 10 mb based on the O/sup 16/(n,p) reaction. (auth)
- Research Organization:
- Univ. of Arkansas, Fayetteville
- NSA Number:
- NSA-13-000884
- OSTI ID:
- 4302188
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 8
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
Similar Records
PROTONS AND DEUTERONS FROM Al$sup 27$ BOMBARDED BY 14.8 MEV NEUTRONS
THE CROSS SECTION OF THE REACTION $sup 6$Li(n,p)$sup 6$He IN THE NEUTRON ENERGY RANGE 3.5 TO 14.8 Mev
NEW ISOTOPE OF MANGANESE CROSS SECTIONS OF THE IRON ISOTOPES FOR 14.8-Mev NEUTRONS
Journal Article
·
Sat Dec 31 23:00:00 EST 1960
· Nuclear Phys.
·
OSTI ID:4027202
THE CROSS SECTION OF THE REACTION $sup 6$Li(n,p)$sup 6$He IN THE NEUTRON ENERGY RANGE 3.5 TO 14.8 Mev
Journal Article
·
Thu Aug 01 00:00:00 EDT 1963
· J. Nucl. Energy, Pt. A & B
·
OSTI ID:4646155
NEW ISOTOPE OF MANGANESE CROSS SECTIONS OF THE IRON ISOTOPES FOR 14.8-Mev NEUTRONS
Journal Article
·
Mon May 01 00:00:00 EDT 1961
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
·
OSTI ID:4021083
Related Subjects
ALPHA PARTICLES-- CROSS SECTIONS-- HALF-LIFE-- MAGNESIUM 26-- MEASURED VALUES-- NEON 23-- NEUTRON BEAMS-- NITROGEN 16-- NUCLEAR REACTIONS-- OXYGEN 16-- PROTONS
BETA PARTICLES-- CROSS SECTIONS-- ENERGY-- ENERGY RANGE-- ENRICHMENT-- HALF-LIFE-- MAGNESIUM-- MAGNESIUM OXIDES-- MAGNESIUM 26-- MEASURED VALUES-- NEUTRON BEAMS-- NITROGEN 16-- NUCLEAR REACTIONS-- OXYGEN 16-- PROTONS-- SODIUM 26
PHYSICS AND MATHEMATICS
BETA PARTICLES-- CROSS SECTIONS-- ENERGY-- ENERGY RANGE-- ENRICHMENT-- HALF-LIFE-- MAGNESIUM-- MAGNESIUM OXIDES-- MAGNESIUM 26-- MEASURED VALUES-- NEUTRON BEAMS-- NITROGEN 16-- NUCLEAR REACTIONS-- OXYGEN 16-- PROTONS-- SODIUM 26
PHYSICS AND MATHEMATICS