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Photoproduction of Neutral Kaons on Deuterium

Akondi Venkata Surya, Subrahmanya Chandrasekhar, Akondi Venkata Surya
http://rave.ohiolink.edu/etdc/view?acc_num=kent1524133960143722

Abstract Details

2018, PHD, Kent State University, College of Arts and Sciences / Department of Physics.
The goal of this work was to measure dσ/dΩ for neutral kaon photoproduction reactions from threshold up to a c.m. energy of about 1850 MeV. Our work focused specifically on γp →Κ0Σ+ ,γn →Κ0Λ , and γn →Κ0Σ0 . Data for these reactions were measured on a liquid deuterium target at MAMI-C using the A2 setup. These data will provide insight into the properties of N* resonances and, in particular, will lead to an improved knowledge about those states that couple only weakly to the πN channel. The properties of most N* resonances were determined mainly from reactions involving the πN channel in the initial or final state (e.g., pion nucleon elastic or inelastic scattering or single-pion photoproduction). Lattice QCD and quark models both predict more nucleon resonances in the mass range below 2000 MeV than have been observed experimentally. This is known as the “missing resonances” problem in baryon spectroscopy. For that reason, there has been a concerted effort at electromagnetic facilities such as JLab, Mainz, and Bonn to measure N* formation reactions that do not include the πN channel at all. The data analyzed in this work bear directly on that problem. We extracted integrated cross sections by fitting the differential cross sections for each reaction as a series of Legendre polynomials and we compared our results with prior experimental results and theoretical predictions. Our results for γn →Κ0Σ0 are the first-ever measurements for that reaction.
D. Mark Manley (Advisor)
A. Mina T. Katramatou (Committee Member)
Declan Keane (Committee Member)
Alexander Seed (Committee Member)
Robert Twieg (Committee Member)
229 p.
Nuclear Physics; Physics
meson photoproduction; kaon photoproduction; hyperons; MAMI; A2 collaboration; experimental nuclear physics

Recommended Citations

Citations

  • Akondi Venkata Surya, Akondi Venkata Surya, S. C. (2018). Photoproduction of Neutral Kaons on Deuterium [Doctoral dissertation, Kent State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=kent1524133960143722

    APA Style (7th edition)

  • Akondi Venkata Surya, Akondi Venkata Surya, Subrahmanya Chandrasekhar. Photoproduction of Neutral Kaons on Deuterium. 2018. Kent State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=kent1524133960143722.

    MLA Style (8th edition)

  • Akondi Venkata Surya, Akondi Venkata Surya, Subrahmanya Chandrasekhar. "Photoproduction of Neutral Kaons on Deuterium." Doctoral dissertation, Kent State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1524133960143722

    Chicago Manual of Style (17th edition)

kent1524133960143722
519
© 2018, all rights reserved.
This open access ETD is published by Kent State University and OhioLINK.