Analyzing-power fluctuations in the 26Mg()26Mg reaction

Kaita, R.; Glashausser, C.; Robbins, A.B.; Hurd, J.W.; Ventura, Elizete

doi:10.1016/0375-9474(80)90398-x

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…The author is grateful to the Referee for stimulating suggestions. Account for the equality (afl) = (bfl) taken together with relations (lla), (A1.3) and (A1.7) results in (13). In order to investigate the problem of correlation between a and b, the following fact may be employed, viz., owing to the invariance of the interaction with respect to time inversion, with the scattering angles about ~z/2 and L~J1, J2, J3 (L is the grazing orbital momentum of the reaction) the effective number of independent channels is half as large as that of spin states in the initial and final channels [4,5].…”

Section: Discussionmentioning

confidence: 99%

Analyzing power fluctuations in nuclear reactions

Kun

1985

Z Physik A

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The joint analysis of differential analyzing power (AP) and differential cross section in the nuclear reactions of 1/2+J1--+J2+J3 type in the region of strongly overlapping resonances are presented. Consideration is valid in the absence of the channel-channel compound nuclear correlations. The fluctuations of AP and cross section are proved to be statistically correlated, the greater the direct contribution to the reaction cross section the stronger this correlation. For the purely statistical reactions the correlation is absent. It is shown that the joint investigation of the AP and cross section fluctuations gives possibility to extract the direct reaction AP and the separate the direct and compound nucleus contributions into the reaction cross section. In particular it can be done by means of the statistical correlation (SC) analysis. Furthermore, the SC analysis may serve as a test for revealing the intermediate structure involved in the reaction. Finally, the joint study of differential AP and differential cross section may be used to determine the spins of nuclear levels and polarization of incident beam. The results are employed to separate the compound and direct contributions in the inelastic scattering of polarized protons on 2SSi. Comparison with experiment quantitatively supports the existence of the SC between the fluctuations of AP and cross section. Possible extension of the SC analysis to the case of the presence of channel-channel compound nuclear correlations are discussed.

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Section: Discussionmentioning

confidence: 99%

Analyzing power fluctuations in nuclear reactions

Kun

1985

Z Physik A

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Energy levels of A = 21–44 nuclei (VII)

1990

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Nuclear Data Sheets for A = 26

Basunia

Hurst

2016

Nuclear Data Sheets

111

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Evaluated spectroscopic data and level schemes from radioactive decay and nuclear reaction studies are presented for 26 O, 26 F, 26 Ne, 26 Na, 26 Mg, 26 Al, 26 Si, 26 P, and 26 S. This evaluation for A=26 supersedes the earlier one by P. M. Endt (1998En04) and updates for some nuclides in ENSDF. Highlights of this evaluation are the following: This evaluation includes search results for 26 S nuclide and its proton-decay mode (2011Fo08). An isomeric state (2.2 ms) in 26 F has been discovered by 2013Le03. The state is proposed at 643.4 keV 1 from γ-ray measurements. Internal-transition and beta-decay branches for the state are also determined. New excited levels in 26 Ne have been identified from 26 F βdecay (2.2 ms). For some 26 Si resonance states conflicting spin-parity assignments exist in the literature. These are identified by footnotes. 2015Do07 (3 He,nγ) propose the first 0+ state above proton separation energy at an excitation energy of 5890 keV and suggested for additional independent measurements to confirm or refute the existence of 5946 keV 4. 2016Ch09 consider 5946 keV level as a distinct excited state in their reanalysis of the literature data with possible spin-parity assignment of 0+ or 4+ This evaluation also includes discovery of an isomeric state, at 164.1 keV 1, in 26 P by 2014NiZZ.

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Analyzing-power fluctuations in the 26Mg()26Mg reaction

Cited by 3 publications

References 12 publications

Analyzing power fluctuations in nuclear reactions

Analyzing power fluctuations in nuclear reactions

Energy levels of A = 21–44 nuclei (VII)

Nuclear Data Sheets for A = 26

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