Bonn 2020 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 17: Structure and Dynamics of Nuclei III

HK 17.3: Vortrag

Dienstag, 31. März 2020, 17:45–18:00, J-HS E

Precise determination of the (γ,xn) cross sections for Sn isotopes — •Dmytro Symochko1, Patrick van Beek1, Takashi Ari-izumi2, Thomas Aumann1, Martin Baumann1, Sergey Belyshev3, Frank Leonel Bello Garrote4, Tomas K. Eriksen4, Vetle W. Ingeberg4, Ioana Gheorghe5, Philipp Kuchenbrod1, Yiu-Wing Lui6, Shuji Miyamoto7, Wanja Paulsen4, Line G. Pedersen4, Fardous Reaz4, Heiko Scheit1, and Hiroaki Utsunomiya21Technische Universität Darmstadt, Germany — 2Department of Physics, Konan University, Japan — 3Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics — 4Department of Physics, University of Oslo, Norway — 5NP, "Horia Hulubei" National Institute for Physics and Nuclear Engineering (IFIN HH), Romania — 6Cyclotron Institute, Texas A&M University — 7Laboratory of Advanced Science and Technology for Industry, University of Hyogo

We performed measurements of the partial photoneutron cross-sections for 112, 116, 120,124Sn isotopes in the energy range up to 4-neutron thresholds. The experiment utilized a quasi-monochromatic gamma-ray beam produced in the laser Compton back-scattering at the NewSubaru synchrotron radiation facility. A novel flat-efficiency neutron detector based on 3He counters was used to detect the emitted neutrons and allowed the analysis with direct multiplicity sorting.

Details of the experiment and some preliminary results will be presented.

Supported by HMWK (LOEWE centre "Nuclear Photonics") and DFG (SFB1245).

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