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Utsunomiya, Hiroaki*; Akimune, Hidetoshi*; Yamagata, Tamio*; Iwamoto, Chihiro*; Goriely, S.*; Daoutidis, I.*; Toyokawa, Hiroyuki*; Harada, Hideo; Kitatani, Fumito; Iwamoto, Nobuyuki; et al.
Proceedings of 14th International Symposium on Capture -Ray Spectroscopy and Related Topics, p.505 - 514, 2013/05
Kondo, Takeo*; Utsunomiya, Hiroaki*; Goriely, S.*; Daoutidis, I.*; Iwamoto, Chihiro*; Akimune, Hidetoshi*; Okamoto, Akiyuki*; Yamagata, Tamio*; Kamata, Masaki*; Ito, Osamu*; et al.
Physical Review C, 86(1), p.014316_1 - 014316_7, 2012/07
Times Cited Count:43 Percentile:87.21(Physics, Nuclear)Using quasi-monochromatic laser-Compton scattering rays, total photoneutron cross sections were measured for
Pb near neutron threshold with a high-efficiency 4
neutron detector. Partial
1 and
1 photoneutron cross sections along with total cross sections were determined for
Pb at four energies near threshold by measuring anisotropies in photoneutron emission with linearly-polarized
rays. The
1 strength dominates over the
1 strength in the neutron channel where
1 photoneutron cross sections show extra strength of the pygmy dipole resonance in
Pb near the neutron threshold corresponding to 0.32-0.42% of the Thomas-Reiche-Kuhn sum rule. Several
units of B(
1)
strength were observed in
Pb just above neutron threshold, which correspond to an
1 cross section less than 10% of the total photoneutron cross section.
Utsunomiya, Hiroaki*; Goriely, S.*; Arteaga, D. P.*; Daoutidis, I.*; Akimune, Hidetoshi*; Yamagata, Tamio*; Kondo, Takeo*; Iwamoto, Chihiro*; Kamata, Masaki*; Ito, Osamu*; et al.
AIP Conference Proceedings 1377, p.450 - 452, 2011/10
Times Cited Count:0 Percentile:0.00(Astronomy & Astrophysics)Utsunomiya, Hiroaki*; Goriely, S.*; Akimune, Hidetoshi*; Harada, Hideo; Kitatani, Fumito; Goko, Shinji*; Toyokawa, Hiroyuki*; Yamada, Kawakatsu*; Kondo, Takeo*; Ito, Osamu*; et al.
Physical Review C, 82(6), p.064610_1 - 064610_5, 2010/12
Times Cited Count:42 Percentile:88.18(Physics, Nuclear)The -ray strength function method (
SF method) is devised to indirectly determine radiative neutron capture cross sections for radioactive nuclei. This method is applied here to the
Pd case. Photoneutron cross sections were measured for
Pd near neutron threshold with quasi-monochromatic laser-Compton-scattering
-ray beams. These photoneutron cross sections as well as the reverse radiative neutron capture cross sections for
Pd are used to provide constraints on the
Pd(n,
)
Pd cross section.