Scattering of 9.5-Mev Protons by Neon and Argon

Freemantle, R.G.; Prowse, D. J.; Hossain, Afzal; Rotblat, Joseph

doi:10.1103/physrev.96.1270

Cited by 32 publications

(1 citation statement)

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“…If the sets of the constants ~ and 7) are such as the ones that appear in Figs. (11), (16), (13) and (18), the rate of the reaction 0 16 +a-c)Ne 20 +r should be large enough compare~:! with the rate of C 12 +a-c)Q1 6 +r, that is, the reacti~n C 12 +a-c)0 16 +7 is immediately followed by Q1 6 +a-c)Ne 20 +r., On the other hana, if ~=lOn and 7J=2.12X 10-12 as in Figs.…”

Section: Ii) Ct2+a~ota+rmentioning

confidence: 99%

Nuclear Reactions in the Later Stage of the Stellar Evolution

et al. 1956

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Nuclear reactions induced by helium capture, 3a"'-7Cl2+r etc., are investigated. The results are applied to the study of the variation of chemical abundances and the energy generation in the hydrogen exhausted stellar core with suitable physical conditions. The reactions, CI2 + C12 etc., are also discussed.The results obtained are useful to study the stellar evolution in its later stage.t) The name Kikuta has been changed to Ohmura. **) A study on the same problem has been done also by S. Hayakawa, C. Hayashi, M. lmoto and K. Kikuchi the results of which will soon appear in this journaL at UNIVERSITY OF VIRGINIA on April 12, 2015 http://ptp.oxfordjournals.org/ Downloaded from C 12 +a~0 16 +7.15 Mev, Q1 6 +a~Ne 20 +4.75 Mev, (II) (III) at UNIVERSITY OF VIRGINIA on April 12, 2015 http://ptp.oxfordjournals.org/ Downloaded from P 1 "=8n 3 "b 2 (r,. Bel rB•) n,. 2 (2trM,. kT) -9 1 2 X J Jd 3 P d 3 p 11 (2E'IM/r 12 (1C"b 2 12M/ E') X [r,.e r/1 { (E' +Ec) 2 + (rclzn Jexp[-(F2+2p 112 ) I (4M,. kT) ].Taking into account the following experimental facts, we obtain (9)The resonance energies E"" and E" are 0.096 Mev and 0.276 Mev, respectively. Wii:h these values for E'" and E 0 , and with the relation n .. =p X,.IM .. , the reaction rate is *) The probability that a 0 2 nucleus excited to the 7.7 Mev state will decay to BeB+a has experi· mentally been found to be greater than-80 percentHl.

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Section: Ii) Ct2+a~ota+rmentioning

confidence: 99%