Projectile break-up and the continuum spectra of the (3He, d) reaction

Matsuoka, N.; Shimizu, A.; Hosono, K.; Saito, Tadashi; Kondo, M.; Sakaguchi, H.; Toba, Y.; Gotō, Akira; Ohtani, F.; Nakanishi, Noriyoshi

doi:10.1016/0375-9474(78)90508-0

Cited by 75 publications

(24 citation statements)

References 6 publications

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“…The actual peak energy will be shifted from this value by Coulomb deceleration in the entrance channel and by Coulomb acceleration in the exit channel, as noted in Ref. [1]. In addition, when both projectile fragments continue moving forward at roughly the initial velocity, the need to supply the projectile's dissociation energy will lower the peak energy.…”

Section: Centroid Energiesmentioning

confidence: 99%

“…The systematic peak energies for (d,p), ( 3 He,d), and ( 3 He,p) breakup obtained from Eqs. (1)(2)(3)(4) are shown along with the experimental values in Fig. 2.…”

Section: A Empirical Relationmentioning

confidence: 99%

“…12. The data on ( 3 He,d) breakup includes results at 70, 90, and 110 MeV [1] and at 130 MeV [2]. The published data of Matsuoka et al [1] consist of energy spectra measured at several forward angles for a 90 Zr target, plus spectra at a laboratory angle of 13 deg for a variety of targets at…”

Section: Fig 16mentioning

confidence: 99%

“…Inclusion of these effects will enable a better assessment of the initial particlehole configuration in the exciton statistical preequilibrium model. The importance of projectile breakup is most obvious for incident deuterons because of their low internal binding energy, but the breakup mechanism also makes significant contributions for reactions induced by 3 He ions [1,2] and, at sufficiently high incident energies, by α particles [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…Refs. [1,3,[6][7][8][9][10][11]). However, they must typically make assumptions about details of the reaction mechanism that are not well understood and that become more complex as the mass of the projectile-and therefore the number of possible breakup channels-increases.…”

Section: Introductionmentioning

confidence: 99%

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Phenomenological model for light-projectile breakup

Kalbach

2017

Phys. Rev. C

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Background: Projectile breakup can make a large contribution to reactions induced by projectiles with mass numbers 2, 3, and 4, yet there is no global model for it and no clear agreement on the details of the reaction mechanism.Purpose: This project aims to develop a phenomenological model for light-projectile breakup that can guide the development of detailed theories and provide a useful tool for applied calculations.Method: An extensive database of double-differential cross sections for the breakup of deuterons, 3 He ions, and α particles was assembled from the literature and analyzed in a consistent way.Results: Global systematics for the centroid energies, peak widths, and angular distributions of the breakup peaks have been extracted from the data. The dominant mechanism appears to be absorptive breakup, where the unobserved projectile fragment fuses with the target nucleus during the initial interaction. The global target-mass-number and incident-energy dependences of the absorptive breakup cross section have also been determined, along with channel-specific normalization constants. Conclusions:Results from the model generally agree with the original data after subtraction of a reasonable underlying continuum. Absorptive breakup can account for as much as 50 to 60% of the total reaction cross section.

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Section: Centroid Energiesmentioning

confidence: 99%

“…The systematic peak energies for (d,p), ( 3 He,d), and ( 3 He,p) breakup obtained from Eqs. (1)(2)(3)(4) are shown along with the experimental values in Fig. 2.…”

Section: A Empirical Relationmentioning

confidence: 99%