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- T. Kubo, Kanta Kusaka, +10 authors K. Sato
- IEEE Transactions on Applied Superconductivity
- 2007

Superconducting triplet quadrupoles (STQs) with large apertures and high field-gradients are employed for the in-flight radioactive-isotope (RI) beam separator BigRIPS at RIKEN. It consists of fourteen STQs and six room-temperature dipoles. The use of the STQs makes it possible to achieve important features of the BigRIPS separator: large acceptances and aâ€¦ (More)

- D. Alastair Smith, Joshua D Bowman, +20 authors Vivian W Yuan
- 2015

Parity nonconservation (PNC) has been studied in neutron p-wave resonances of 117Sn. The longitudinal asymmetries were measured for 29 p-wave resonances in the neutron energy range 0.8 eV to 1100 eV. Statistically significant PNC effects were observed for four resonances. A statistical analysis determined the rms weak mixing matrix element and the weakâ€¦ (More)

- Yoshinori Yanagisawa, Kanta Kusaka, +4 authors Yasuhiko Mizoi
- IEEE Transactions on Applied Superconductivity
- 2008

Measurements of the magnetic field distributions of the superconducting triplet quadrupoles (STQs) and the room-temperature dipoles for the BigRIPS separator are performed in order to use ion optics calculations of the BigRIPS. This report describes the results of magnetic field-map measurement of the superferric-typed STQ and dipole magnet including theâ€¦ (More)

- Bret E. Crawford, Joshua D Bowman, +16 authors Vivian W Yuan
- 2015

Parity nonconservation (PNC) has been studied in the neutron p-wave resonances of 106Pd and 108Pd in the energy range of 20 to 2000 eV. Longitudinal asymmetries in p-wave capture cross sections are measured using longitudinally polarized neutrons incident on âˆ¼20-g metal-powder targets at LANSCE. A CsI Î³-ray detector array measures capture cross sectionâ€¦ (More)

- D. Alastair Smith, Joshua D Bowman, +18 authors Vivian W Yuan
- 2015

Parity violation has been studied recently for neutron resonances in 117Sn. The neutron resonance spectroscopy is essential for the analysis of the parity violation data. We have measured neutron resonances in 117Sn for neutron energies from 1 to 1500 eV using the time-of-flight method and the (n,Î³) reaction. The sample was enriched to 87.6% 117Sn. Neutronâ€¦ (More)

A missing texture reconstruction method based on an error reduction (ER) algorithm including a novel estimation scheme of Fourier transform magnitudes is presented in this correspondence. In our method, Fourier transform magnitude is estimated for a target patch including missing areas, and the missing intensities are estimated by retrieving its phase basedâ€¦ (More)

- Bret E. Crawford, Joshua D Bowman, +17 authors Vivian W Yuan
- 2015

Parity nonconserving asymmetries have been measured in p-wave resonances of 106Pd and 108Pd. The data analysis requires knowledge of the neutron resonance parameters. Transmission and capture Î³-ray yields were measured for En=20â€“2000 eV with the time-of-flight method at the Los Alamos Neutron Science Center (LANSCE). A total of 28 resonances in 106Pd and 32â€¦ (More)

- Yusuke Matsuda, Joshua D Bowman, +17 authors Vivian W Yuan
- 2015

Parity violation in p-wave neutron resonances of 121Sb, 123Sb, and 127I has been measured by transmission of a longitudinally polarized neutron beam through natural antimony and iodine targets. The measurements were performed at the pulsed spallation neutron source of the Los Alamos Neutron Science Center. Five statistically significant parity violationâ€¦ (More)

- D. Alastair Smith, Joshua D Bowman, +16 authors Vivian W Yuan
- 2015

Parity violation in p-wave neutron resonances of the palladium isotopes 104, 105, 106, and 108 has been measured by transmission of a longitudinally polarized neutron beam through a natural palladium target. The measurements were performed at the pulsed spallation neutron source of Los Alamos Neutron Science Center. The rms weak interaction matrix elementsâ€¦ (More)

- Joshua D Bowman, D. Alastair Smith, +17 authors Vivian W Yuan
- 2015

We have measured neutron resonances in the palladium isotopes 104, 105, and 110 for neutron energies from 1 to 2100 eV. Many new p-wave resonances have been observed. Their neutron widths and, in several cases, the radiative widths were measured. The average level spacings and the s-wave and p-wave neutron strength functions were determined. Theâ€¦ (More)