Strong evidence of the Coulomb breakup of the deuteron at 56 MeV

Okamura, Hiroshi; Hatori, S.; Matsuoka, N.; Noro, T.; Okihana, A.; Sakai, H.; Shimizu, Hirohiko M.; Takeshita, Kenji; Yamaya, T.

doi:10.1016/0370-2693(94)90016-7

Cited by 18 publications

(13 citation statements)

References 15 publications

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“…Firstly, the mean energy is strongly dependent on target, decreasing significantly between Ti and Ta at both energies. This is in contrast with the data at 56 MeV [21], that showed an almost constant -albeit double-peaked -mean energy for targets of C, Ca, Zr and Pb. In that work, the major effect of target mass was the disappearance of the lower of the two energy peaks for Pb.…”

Section: Discussioncontrasting

confidence: 99%

“…[21]. This may be partially due to the large neutron background subtraction that must be done because of the experimental location in the Cyclotron vault.…”

Section: Discussionmentioning

confidence: 99%

“…This agrees roughly with the results of ref. [21] at 56 MeV, in which the authors examined the dependence of the energy-integrated cross section on target atomic number. In that work, comparisons with DWBA calculations led them to conclude the presence of a large contribution from nuclear breakup at forward angles for the Pb target.…”

Section: Discussionmentioning

confidence: 99%

“…In contrast to the early experiments, a more recent experiment by Okamura et al [21] measured breakup at very forward angles at 56 MeV. They concluded that the nuclear breakup was more dominant for the heaviest targets.…”

Section: Neutron Production By Deuteron Breakupmentioning

confidence: 94%

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Neutron beams from deuteron breakup at the 88-Inch cyclotron at Lawrence Berkeley National Laboratory

McMahan

Ahle

Bleuel

et al. 2007

Nd2007

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Abstract. Accelerator-based neutron sources offer many advantages, in particular tunability of the neutron beam in energy and width to match the needs of the application. Using a recently constructed neutron beam line at the 88 Inch Cyclotron at LBNL, tunable high-intensity sources of quasi-monoenergetic and broad spectrum neutrons from deuteron breakup are under development for a variety of applications.

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Section: Discussioncontrasting

confidence: 99%

“…[21]. This may be partially due to the large neutron background subtraction that must be done because of the experimental location in the Cyclotron vault.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Neutron Production By Deuteron Breakupmentioning

confidence: 94%

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Neutron beams from deuteron breakup at the 88-Inch cyclotron at Lawrence Berkeley National Laboratory

McMahan

Ahle

Bleuel

et al. 2007

Nd2007

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“…The method detailed here generalizes transparently to the breakup of those halo nuclei with a single charged constituent, such as 11 Li,11 Be, and 19 C. Applications to the Coulomb breakup of such one-and two-neutron halo nuclei will be discussed elsewhere.…”

Section: Introductionmentioning

confidence: 99%

Coulomb dissociation of light nuclei

1998

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We present an alternative theoretical formulation of the Coulomb dissociation process. We apply the formalism to the deuteron as an example of a weakly bound two-body composite nucleus with a charged core and a neutral valence particle and for which exclusive experimental data exist in an appropriate kinematical regime. The theoretical scheme assumes that the projectile excitation is predominantly to states with low internal energy and is expected to be applicable at incident projectile energies of tens of MeV per nucleon and above. A readily calculable expression for the quantum mechanical breakup transition amplitude is obtained without the use of the distorted-wave Born approximation weak channel coupling approximation or of additional approximations for finite-range effects. Calculations are presented, analyzed, and compared with high precision, kinematically complete, measurements of elastic deuteron dissociation into very forward scattering angles. The calculations and data support the importance of the Coulomb breakup mechanism under these kinematical conditions. ͓S0556-2813͑98͒00206-4͔ PACS number͑s͒: 24.10. Eq, 24.50.ϩg, 25.10.ϩs, 25.45.Ϫz

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