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Ge(n,
) cross sections and implications for stellar nucleosynthesisLederer-Woods, C.*; Battino, U.*; Ferreira, P.*; Gawlik, A.*; Kimura, Atsushi; n_TOF Collaboration*; 128 of others*
Physics Letters B, 790, p.458 - 465, 2019/03
Times Cited Count：5 Percentile：61.83(Astronomy & Astrophysics)
Gd(n,) induced by thermal and epithermal neutronsMastromarco, M.*; Manna, A.*; Aberle, O.*; Andrzejewski, J.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 116 of others*
European Physical Journal A, 55(1), p.9_1 - 9_20, 2019/01
Times Cited Count：14 Percentile：93.24(Physics, Nuclear)Sato, Tetsuya; Asai, Masato; Borschevsky, A.*; Beerwerth, R.*; Kaneya, Yusuke*; Makii, Hiroyuki; Mitsukai, Akina*; Nagame, Yuichiro; Osa, Akihiko; Toyoshima, Atsushi; et al.
Journal of the American Chemical Society, 140(44), p.14609 - 14613, 2018/11
Times Cited Count：16 Percentile：70.21(Chemistry, Multidisciplinary)The first ionization potential (IP
) yields information on valence electronic structure of an atom. IP values of heavy actinides beyond einsteinium (Es, Z = 99), however, have not been determined experimentally so far due to the difficulty in obtaining these elements on scales of more than one atom at a time. Recently, we successfully measured IP of lawrencium (Lr, Z = 103) using a surface ionization method. The result suggests that Lr has a loosely-bound electron in the outermost orbital. In contrast to Lr, nobelium (No, Z = 102) is expected to have the highest IP among the actinide elements owing to its full-filled 5f and the 7s orbitals. In the present study, we have successfully determined IP values of No as well as fermium (Fm, Z = 100) and mendelevium (Md, Z = 101) using the surface ionization method. The obtained results indicate that the IP value of heavy actinoids would increase monotonically with filling electrons up in the 5f orbital like heavy lanthanoids.
Be(n,p)Li reaction and the cosmological lithium problem; Measurement of the cross section in a wide energy range at n_TOF at CERNDamone, L.*; Barbagallo, M.*; Mastromarco, M.*; Cosentino, L.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 152 of others*
Physical Review Letters, 121(4), p.042701_1 - 042701_7, 2018/07
Times Cited Count：33 Percentile：93.14(Physics, Multidisciplinary)Be(n,p)Li reaction at n_TOFBarbagallo, M.*; Andrzejewski, J.*; Mastromarco, M.*; Perkowski, J.*; Damone, L. A.*; Gawlik, A.*; Kimura, Atsushi; n_TOF Collaboration*; 122 of others*
Nuclear Instruments and Methods in Physics Research A, 887, p.27 - 33, 2018/04
Times Cited Count：12 Percentile：91.11(Instruments & Instrumentation)
Pu in the resonance region at the CERN n_TOF-EAR1 facilityLerendegui-Marco, J.*; Guerrero, C.*; Mendoza, E.*; Quesada, J. M.*; Eberhardt, K.*; Junghans, A. R.*; Kimura, Atsushi; n_TOF Collaboration*; 126 of others*
Physical Review C, 97(2), p.024605_1 - 024605_21, 2018/02
Times Cited Count：13 Percentile：85.61(Physics, Nuclear)