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Mechanical Analysis of Pion Capture Superconducting Solenoid System for COMET Experiment at J-PARC
Iio, Masami,Yoshida, Makoto,Ye Yang,Taekyung Ki,Okamura, Takahiro,Sasaki, Ken-ichi,Makida, Yasuhiro,Ogitsu, Toru,Mihara, Satoshi,Nakamoto, Tatsushi,Sugano, Michinaka,Terashima, Akio,Kawamata, Hiroshi IEEE 2017 IEEE transactions on applied superconductivity Vol.27 No.4
<P>KEK is currently constructing a long series of superconducting solenoid beamline for the COMET Phase-I experiment at the Hadron facility of J-PARC. The magnet system consists of a 5-T pion capture solenoid, a curved muon transport solenoid, and a large bore detector solenoid. The pion capture solenoid system consists of a large cold mass including four coils with an inner diameter of 1340 mm and a small cold mass including six small coils with an inner diameter of 500 mm. The peak magnetic field on the conductor reaches to 5.4 T at an operation current of 2700 A. This paper presents the design and structural details of a magnet, radiation-resistant coil, cold mass and vacuum vessel, apart from the results of the electromagnetic analysis in two-dimensional (2-D) and 3-D.</P>
On the Uniqueness of the Momentary Equilibrium in the Brock and Trunovsky Model
Nobuhiro Mori,Takao Iida,Makoto Okamura 한양대학교 경제연구소 2005 JOURNAL OF ECONOMIC RESEARCH Vol.10 No.1
This note establishes the uniqueness of the momentary equilibriain the Brock and Turnovsky dynamic monetary model (1981) under assumptions that a consumption good and money are substitutable for leisure, eomplementary with each other, and a personal income tax rate is not lower than a gross profit tax rate.