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total cross sections at Big Bang nucleosynthesis energies

โœ Scribed by Leonard, D. S.; Karwowski, H. J.; Brune, C. R.; Fisher, B. M.; Ludwig, E. J.

Book ID
121183321
Publisher
The American Physical Society
Year
2006
Tongue
English
Weight
381 KB
Volume
73
Category
Article
ISSN
0556-2813

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โœ Gautam Rupak ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 184 KB

An effective field theory calculation of the np โ†’ dฮณ cross section accurate to 1% for center of mass energies E 1 MeV is presented. At these energies, which are relevant for big-bang nucleosynthesis, isovector magnetic dipole transitions M1 V and isovector electric dipole transitions E1 V give the d