NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = K.R.Kean Found 4 matches. 2022TA02 Phys.Rev. C 105, L021602 (2022) S.Tanaka, K.Hirose, K.Nishio, K.R.Kean, H.Makii, R.Orlandi, K.Tsukada, Y.Aritomo Angular momentum transfer in multinucleon transfer channels of 18O +237Np NUCLEAR REACTIONS 237Np(18O, X)236Np/237Np/238Np/239Np/237Pu/238Pu/239Pu/240Pu/239Am/240Am/241Am/242Am, E=162 MeV; measured fission fragments, angular distribution of fission fragments; deduced angular anisotropy, average angular momenta. Beam from JAEA tandem accelerator.
doi: 10.1103/PhysRevC.105.L021602
2020DU01 Phys.Rev. C 101, 014309 (2020) E.Dupont, A.Astier, C.M.Petrache, B.F.Lv, I.Deloncle, J.Kiener, R.Orlandi, H.Makii, K.Nishio, K.Hirose, M.Asai, T.K.Sato, K.Tsukada, Y.Ito, K.R.Kean, R.Yanagihara, G.Scamps New excited 2+ and 3- two-proton states in 21084Po126 populated by two-proton transfer NUCLEAR REACTIONS 208Pb(12C, 10Be)9Be/10Be/11B/12C/13C, 14C/210Po, E=58, 60, 62, 63.7 MeV; measured reaction products, light beamlike ejectiles, Eγ, Iγ, (charged particles)γ-coin at the 18 MV tandem of JAEA Tokai. 210Po; deduced six 2+ and three 3- levels in two-proton stripping reaction, configurations.
doi: 10.1103/PhysRevC.101.014309
2020VE07 Phys.Rev. C 102, 054610 (2020) M.J.Vermeulen, K.Nishio, K.Hirose, K.R.Kean, H.Makii, R.Orlandi, K.Tsukada, I.Tsekhanovich, A.N.Andreyev, S.Ishizaki, M.Okubayashi, S.Tanaka, Y.Aritomo Measurement of fission-fragment mass distributions in the multinucleon transfer channels of the 18O + 237Np reaction NUCLEAR REACTIONS 237Np(18O, X)234U*/235U*/236U*/237U*/236Np*/237Np*/238Np*/239Np*/238Pu*/239Pu*/240Pu*/241Pu*/240Am*/241Am*/242Am*/243Am*/242Cm*/243Cm*/244Cm*/245Cm*/244Bk*/245Bk*/246Bk*, E=162.0 MeV from tandem accelerator facility of Japan Atomic Energy Agency (JAEA); measured fission fragments from the fission of reaction products U(A=234-237), Np(A=236-239), Pu(A=238-241), Am(A=240-243), Cm(A=242-244) and Bk(A=244-246) using ΔE-E silicon telescope to detect ejectiles, and four multiwire proportional counters, to detect fission fragments (FFs); deduced yields of fission fragments as a function of their mass and total excitation energy for each multi-nucleon transfer (MNT) channel, fission-fragment mass distributions as function of excitation energy of 7-70 MeV, most probable total excitation energy for each channel, light-fragment and heavy-fragment mass distributions. Comparison with Langevin theoretical calculations including the multichance fission (MCF) process of fission after neutron evaporation.
doi: 10.1103/PhysRevC.102.054610
2019KE06 Phys.Rev. C 100, 014611 (2019) K.R.Kean, K.Nishio, K.Hirose, M.J.Vermeulen, H.Makii, R.Orlandi, K.Tsukada, A.N.Andreyev, I.Tsekhanovich, S.Chiba Validation of the multinucleon transfer method for the determination of the fission barrier height NUCLEAR REACTIONS 237Np, Ni(18O, 18O), (18O, 17O), (18O, 16O), (18O, 17N), (18O, 16N), (18O, 15N), (18O, 14N), (18O, 15C), (18O, 14C), (18O, 13C), (18O, 12C), (18O, 11C), (18O, 11B), (18O, 10B), (18O, 10Be), (18O, 9Be), (18O, 7Be), (18O, 7Li), (18O, 6Li), E=162 MeV; measured reaction products, particle identification plots, energy loss versus total energy, (charged particles)(fission fragment)-coin using four multiwire proportional counters for fission fragment detection and segmented silicon ΔE-E telescope for ejectile detection at the JAEA tandem accelerator facility; deduced fission probabilities and fission barrier heights for 239Np, 239Pu and 240Pu at E*=0-24 MeV using multinucleon transfer (MNT) method. Comparison with previous experimental values, and in RIPL3 database.
doi: 10.1103/PhysRevC.100.014611
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