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The ³H(d,γ) Reaction and the ³H(d,γ)/ ³H(d,n) Branching Ratio for Ec.m. ≤ 300 keV

Parker, Cody E.

Abstract Details

2016, Doctor of Philosophy (PhD), Ohio University, Physics and Astronomy (Arts and Sciences).
The ³H(d,γ)⁵He reaction and the ³H(d,γ)/ ³H(d,n) branching ratio have been measured using a 500–keV pulsed deuteron beam incident on a titanium tritide target of stopping thickness at the Edwards Accelerator Laboratory. The time–of–flight technique has been used to distinguish the γ–rays from neutrons in the bismuth germinate (BGO) γ–ray detector. A stilbene scintillator and an NE–213 scintillator have been used to detect the neutrons from the ³H(d,n)α reaction using both the pulse–shape discrimination and time–of–flight techniques. A target holder with an ion–implanted silicon detector at a fixed angle of 135° to the beam axis to simultaneously measure α–particles as a normalization for the number of neutrons was incorporated to reduce the uncertainty in the neutron yield over the preliminary measurement. The γ–rays have been measured at laboratory angles of 0°, 45°, 90°, and 135°. Information about the γ–ray energy distribution for the unbound ground state and first excited state of ⁵He have been obtained experimentally by comparing the BGO data to Monte Carlo simulations. The reported branching ratios for each angle contain only contributions from the ground-state γ–ray branch.
Carl Brune, PhD (Advisor)
Daniel Phillips, PhD (Committee Member)
Joseph Shields, PhD (Committee Member)
Morgan Vis, PhD (Committee Member)
174 p.

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Citations

  • Parker, C. E. (2016). The ³H(d,γ) Reaction and the ³H(d,γ)/ ³H(d,n) Branching Ratio for Ec.m. ≤ 300 keV [Doctoral dissertation, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1471366054

    APA Style (7th edition)

  • Parker, Cody. The ³H(d,γ) Reaction and the ³H(d,γ)/ ³H(d,n) Branching Ratio for Ec.m. ≤ 300 keV. 2016. Ohio University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1471366054.

    MLA Style (8th edition)

  • Parker, Cody. "The ³H(d,γ) Reaction and the ³H(d,γ)/ ³H(d,n) Branching Ratio for Ec.m. ≤ 300 keV." Doctoral dissertation, Ohio University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1471366054

    Chicago Manual of Style (17th edition)