The reactions 12C(3He, α)11C and 12C(3He, p)14N

Blake, R.S.; Jacobs, D.J.; Newton, J.O.; Schapira, J.P.

doi:10.1016/0029-5582(66)90171-4

Cited by 16 publications

(3 citation statements)

References 17 publications

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“…[2][3][4][5]. The values of the cross sections have only been corrected to first order for finite geometry.…”

Section: Resultsmentioning

confidence: 99%

“…[2][3][4][5]. Although questions concerning the relative importance of the operative DR and CN mechanisms cannot be answered with certainty without a detailed study of the energy dependence of the cross sections, reaction systematics do indicate that the relative importance of the DR mechanism increases with increasing energy.…”

Section: Discussionmentioning

confidence: 99%

“…More specifically, the cross section predicted by the two-component theory is twice as large as that predicted by the four-component theory with parity conservation. Direct measurements of the cross section for the reaction p(v e ,e + )n were reported by Cowan et al, 2 effects are negligible, an assumption which may be valid, but for which there is no a priori justification. Within the context of the present study, these ideas are audacious speculations; however, they are intriguing, and an extended theoretical and experimental investigation would be of considerable interest.…”

Section: Introductionmentioning

confidence: 99%

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Study of SomeC12(He3,α)C
Ober
¹
,
Johnson
²

1968
Phys. Rev.
13
0
1
0
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The 13.9-MeV angular distributions for the C u (Hefyx)C u reactions which produce the ground, 2.00-, 4.32-, and 4.81-MeV states of C 11 were measured, using silicon surface-barrier detectors. The differential cross sections were determined at 2.5° intervals over a laboratory angular range from about 15° to 100°. The angular distributions display features which suggest that a direct-reaction mechanism is operative. The ground-state angular distribution is strongly peaked at forward angles with a weak washed-out oscillatory structure, and those for the excited states are also forward-peaked, but have a strong, well-denned oscillatory nature. The integrated cross sections over the common center-of-mass angular range (32° to 112°) for the ground and first three excited states are 30.5, 9.2, 9.7, and 11.9 mb, respectively. Each angular distribution was analyzed in terms of both zero-range distorted-wave Born-approximation knockout and pickup models. Reasonable correspondence between theory and experiment for the ground-state (f~) and second-excited-state (|~) angular distributions was achieved only with the pickup model, while only the knockout model provided a reasonable representation of the angular distributions corresponding to the first (|~) and third (f ~) excited states.* Work supported in part by the U. S. Atomic Energy Commission.t This report is based on part of a

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“…[2][3][4][5]. The values of the cross sections have only been corrected to first order for finite geometry.…”

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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