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Development of a quasi-monoenergetic neutron field using the $$^{7}$$Li(p,n)$$^{7}$$Be reaction in the energy range from 250 to 390 MeV at RCNP

Taniguchi, Shingo*; Nakao, Noriaki*; Nakamura, Takashi*; Yashima, Hiroshi*; Iwamoto, Yosuke  ; Satoh, Daiki  ; Nakane, Yoshihiro ; Nakashima, Hiroshi; Itoga, Toshio*; Tamii, Atsushi*; Hatanaka, Kichiji*

A quasi-monoenergetic neutron field was developed using the reaction in the energy range from 250 to 390 MeV in the ring cyclotron facility at the Research Center for Nuclear Physics (RCNP), Osaka University. Neutrons were generated from a 10-mm thick Li target injected by 250, 350 and 392 MeV protons. The neutrons produced at 0 degree were extracted into the 100-m long TOF room through a 150-cm thick ironcollimator of 10 cm $$times$$ 12 cm aperture, and were measured by a 12.7-cm diam. $$times$$ 12.7-cm long NE213 organic liquid scintillator. This neutron field is very useful since experimental data for high energy neutrons in this energy region are very scarce. It has already been used for a neutron shielding experiment.

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Category:Environmental Sciences

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