Atlas of photoneutron cross sections obtained with monoenergetic photons. Final edition, 1986

Dietrich, S.S.; Berman, B. L.

doi:10.2172/5680706

Cited by 6 publications

(1 citation statement)

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“…A calculation from Perdue [90] has demonstrated the difference. Cross section values were taken from [107,108].…”

Section: Appendix a Epr Measurement Proceduresmentioning

confidence: 99%

First Study of Three-body Photodisintegration of <sup>3</sup>He with Double Polarizations at HIyS

Zong

2010

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This dissertation describes the first measurement of three-body photodisintegration of polarized 3 He (γ 3 He → npp) with a circularly polarized photon beam. This measurement was carried out at the High Intensity γ-Ray Source(HIγS) facility located at Duke University Free Electron Laser Laboratory and the incident photon energy was 11.4 MeV. A high-pressure polarized 3 He target based on spin exchange optical pumping (SEOP) of hybrid alkali was employed. Two methods-Nuclear Magnetic Resonance (NMR) and Electron Paramagnetic Resonance (EPR)-were used to measure the polarization, which was determined to be ∼ 42%. The data from the experiment were analyzed and a GEANT4 simulation was carried out to determine the corrections for finite geometry, neutron multiple scattering and detector efficiencies used in this experiment. The results are compared to the state-of-the-art three-body calculations and agreements are observed within rather large statistical uncertainties of the measurement. This experiment represents the first measurement of the asymmetry using spin-dependent 3 He photodisintegration. The unpolarized differential cross section and helicity-dependent differential cross-section difference results are also presented and compared to the same theoretical calculations followed by a discussion of the results. Total cross section is also extracted using two different methods and agrees well with the theoretical prediction. New developments including a Sol-Gel coated pyrex 3 He cell since the experiment iv are then presented. The in-beam test results of the aforementioned target cell from May 2009 test run are included and the prospect of future three-body photodisintegration is discussed in the end. v To my parents Qingchao Xiao and Youxin Zong, also to Jidi Liu.

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“…A calculation from Perdue [90] has demonstrated the difference. Cross section values were taken from [107,108].…”

Section: Appendix a Epr Measurement Proceduresmentioning

confidence: 99%

First Study of Three-body Photodisintegration of <sup>3</sup>He with Double Polarizations at HIyS

Zong

2010

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The “Orchard” scheduler for manufacturing systems

Wittrock¹

1992

International Journal of Production Economics

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Product Yields of²³⁵U,²³⁸U,²³⁷Np, and²³⁹Pu by Photofission Reactions with 20-, 30-, and 60-MeV Bremsstrahlung

Kase

Yamadera

Nakamura

et al. 1992

Nuclear Science and Engineering

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Atlas of photoneutron cross sections obtained with monoenergetic photons. Final edition, 1986

Abstract: Photoneutron cross-section and integrated cross-section data obtained with monoenergetic photons are presented in a uniform format. This compilation is current of as June 1986.

Cited by 6 publications

References 0 publications

First Study of Three-body Photodisintegration of <sup>3</sup>He with Double Polarizations at HIyS

First Study of Three-body Photodisintegration of <sup>3</sup>He with Double Polarizations at HIyS

The “Orchard” scheduler for manufacturing systems

Product Yields of²³⁵U,²³⁸U,²³⁷Np, and²³⁹Pu by Photofission Reactions with 20-, 30-, and 60-MeV Bremsstrahlung

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Atlas of photoneutron cross sections obtained with monoenergetic photons. Final edition, 1986

Abstract: Photoneutron cross-section and integrated cross-section data obtained with monoenergetic photons are presented in a uniform format. This compilation is current of as June 1986.

Cited by 6 publications

References 0 publications

First Study of Three-body Photodisintegration of <sup>3</sup>He with Double Polarizations at HIyS

First Study of Three-body Photodisintegration of <sup>3</sup>He with Double Polarizations at HIyS

The “Orchard” scheduler for manufacturing systems

Product Yields of235U,238U,237Np, and239Pu by Photofission Reactions with 20-, 30-, and 60-MeV Bremsstrahlung

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Product Yields of²³⁵U,²³⁸U,²³⁷Np, and²³⁹Pu by Photofission Reactions with 20-, 30-, and 60-MeV Bremsstrahlung