Search for an invisibly decaying boson at Belle II in plus missing energy final states

Adachi, Ichiro*; Tanida, Kiyoshi; Belle II Collaboration*; 358 of others*

Physical Review Letters, 124(14), p.141801_1 - 141801_9, 2020/04

https://doi.org/10.1103/PhysRevLett.124.141801

Measurement of in with decays by a combined time-dependent Dalitz plot analysis of and Belle data

Adachi, Ichiro*; Tanida, Kiyoshi; Belle Collaboration*; 406 of others*

Physical Review D, 98(11), p.112012_1 - 112012_29, 2018/11

AA2018-0713.pdf:4.08MB

https://doi.org/10.1103/PhysRevD.98.112012

Resonant inelastic X-ray scattering study of intraband charge excitations in hole-doped high- cuprates

Wakimoto, Shuichi; Ishii, Kenji; Kimura, Hiroyuki*; Ikeuchi, Kazuhiko*; Yoshida, Masahiro*; Adachi, Tadashi*; Casa, D.*; Fujita, Masaki*; Fukunaga, Yasushi*; Gog, T.*; et al.

Physical Review B, 87(10), p.104511_1 - 104511_7, 2013/03

https://doi.org/10.1103/PhysRevB.87.104511

Charge excitations in the stripe-ordered LaSrNiO and La(Ba,Sr)CuO superconducting compounds

Wakimoto, Shuichi; Kimura, Hiroyuki*; Ishii, Kenji; Ikeuchi, Kazuhiko; Adachi, Tadashi*; Fujita, Masaki*; Kakurai, Kazuhisa; Koike, Yoji*; Mizuki, Junichiro; Noda, Yukio*; et al.

Physical Review Letters, 102(15), p.157001_1 - 157001_4, 2009/04

https://doi.org/10.1103/PhysRevLett.102.157001

Current status of the control system for J-PARC accelerator complex

Yoshikawa, Hiroshi; Sakaki, Hironao; Sako, Hiroyuki; Takahashi, Hiroki; Shen, G.; Kato, Yuko; Ito, Yuichi; Ikeda, Hiroshi*; Ishiyama, Tatsuya*; Tsuchiya, Hitoshi*; et al.

Proceedings of International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS '07) (CD-ROM), p.62 - 64, 2007/10

J-PARC is a large scale facility of the proton accelerators for the multi-purpose of scientific researches in Japan. This facility consists of three accelerators and three experimental stations. Now, J-PARC is under construction, and LINAC is operated for one year, 3GeV synchrotron has just started the commissioning in this October the 1st. The completion of this facility will be next summer. The control system of accelerators established fundamental performance for the initial commissioning. The most important requirement to the control system of this facility is to minimize the activation of accelerator devices. In this paper, we show that the performances of each layer of this control system have been achieved in the initial stage.

Microscopic structure of the Gamow-Teller resonance in Cu

Hara, Keigo*; Adachi, Takeshi*; Akimune, Hidetoshi*; Daito, Izuru*; Fujimura, Hisako*; Fujita, Yoshitaka*; Fujiwara, Mamoru; Fushimi, Kenichi*; Hara, Kaoru*; Harakeh, M. N.*; et al.

Physical Review C, 68(6), p.064612_1 - 064612_9, 2003/12

https://doi.org/10.1103/PhysRevC.68.064612

no abstracts in English

Low-temperature synthesis of LaCuO with the T'-structure using molten hydroxides

Imai, Yoshinori; Kato, Masatsune*; Takarabe, Yuichiro*; Noji, Takashi*; Adachi, Tadashi*; Koike, Yoji*

no journal, , 

Lanthanide copper oxides of a general formula CuO (: Lanthanide) crystallize in two different structures: the KNiF-type(T-type) and the NdCuO-type(T'-type). The crystal structure of LaCuO synthesized by the solid-state reaction at elevated temperatures, 1000C, is the T-type. Recently, Tsukada et al. have reported that T'-(La,Ln)CuO films, which were prepared at 600C using the molecular beam epitaxy and then annealed in vacuum, show superconductivity with 25K. Here, we report that polycrystalline bulk samples of T'-LaCuO have been successfully synthesized by precipitation from the molten NaOH/KOH eutectic mixture at a temperature as low as 350C. The powder X-ray diffraction pattern has revealed the formation of a single phase with the T'-type structure. The lattice parameters are a4.02 and c12.49. The a-axis length is much larger than that of PrCuO (a3.96). However, no superconductivity is observed at t2K in the magnetic susceptibility and electrical resistivity measurements.

Resonant inelastic X-ray scattering study of stripe-ordered LaSrNiO and LaBaCuO

Wakimoto, Shuichi; Ishii, Kenji; Ikeuchi, Kazuhiko; Kakurai, Kazuhisa; Mizuki, Junichiro; Kimura, Hiroyuki*; Noda, Yukio*; Adachi, Tadashi*; Koike, Yoji*; Fujita, Masaki*; et al.

no journal, , 

no abstracts in English

Development of taraget-containing-type of TPC-4-spectrometer

Sato, Susumu; Sako, Hiroyuki; Imai, Kenichi; Sugimura, Hitoshi; Adachi, Satoshi; Kiuchi, Ryuta*; Tanida, Kiyoshi*; Miwa, Koji*; Ozawa, Kyoichiro*

no journal, , 

no abstracts in English

Detailed intercomparison of atmospheric transport models using newly obtained concentration data of Cs-137 from the Fukushima Daiichi Nuclear Power Plant Accident

Yamazawa, Hiromi*; Sato, Yosuke*; Adachi, Shinichiro*; Takigawa, Masayuki*; Sekiyama, Tsuyoshi*; Kajino, Mizuo*; Terada, Hiroaki; Kondo, Hiroaki*; Uchida, Junya*; Goto, Daisuke*; et al.

no journal, , 

Cs-137 released from the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident was conducted by 12 models. The present study focuses on differences in the model results of atmospheric Cs-137 concentration of Plume 2, which traveled southward in the morning of 15 March, 2011, in the area 100 to 200 km downwind from FDNPP by using the concentration data recently evaluated from gamma radiation spectral data at monitoring stations (MS data) and those measured from the suspended particulate matter filters (SPM data). Comparison was made from the following aspects: (1) plume arrival time, (2) concentration level, (3) cross-wind surface concentration profile, (4) vertical concentration profile and (5) mass balance of Cs-137 activity including deposition processes. Additional analyses were made also for Plume 4, which traveled over the same area on 16 March under rainy condition.