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Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Yasuyuki*; Al-Bataineh, H.*; Alexander, J.*; Aoki, Kazuya*; Aphecetche, L.*; Armendariz, R.*; et al.
Physical Review C, 83(6), p.064903_1 - 064903_29, 2011/06
Times Cited Count:176 Percentile:99.41(Physics, Nuclear)Transverse momentum distributions and yields for , and in collisions at = 200 and 62.4 GeV at midrapidity are measured by the PHENIX experiment at the RHIC. We present the inverse slope parameter, mean transverse momentum, and yield per unit rapidity at each energy, and compare them to other measurements at different collisions. We also present the scaling properties such as and scaling and discuss the mechanism of the particle production in collisions. The measured spectra are compared to next-to-leading order perturbative QCD calculations.
Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Yasuyuki*; Al-Bataineh, H.*; Alexander, J.*; Aoki, Kazuya*; Aphecetche, L.*; Aramaki, Y.*; et al.
Physical Review C, 83(4), p.044912_1 - 044912_16, 2011/04
Times Cited Count:7 Percentile:49.81(Physics, Nuclear)Measurements of electrons from the decay of open-heavy-flavor mesons have shown that the yields are suppressed in Au+Au collisions compared to expectations from binary-scaled collisions. Here we extend these studies to two particle correlations where one particle is an electron from the decay of a heavy flavor meson and the other is a charged hadron from either the decay of the heavy meson or from jet fragmentation. These measurements provide more detailed information about the interaction between heavy quarks and the quark-gluon matter. We find the away-side-jet shape and yield to be modified in Au+Au collisions compared to collisions.
Kawata, Norio; Yano, Soichiro
Kaku Busshitsu Kanri Gakkai (INMM) Nihon Shibu Dai-27-Kai Nenji Taikai Rombunshu (CD-ROM), 9 Pages, 2006/00
Russian Surplus W-Pu was produced by byproducts of disarmament of nuclear weapon and recognized as a serious threat of nuclear proliferation. US and RF concluded an agreement to dispose of no less than 34 ton-Pu each in 2000. G7 countries including Japan jointed to collaborative investigation to dispose of Russian W-Pu. Relative countries have been discussing the scenario of Pu disposition mainly by burning in LWR (VVER1000) with MOX pellet fuel and FR (BN600) with MOX vipac fuel, however actual disposition work faced dead lock since estimated necessary cost is more than 3 times of pledged finance by G7 countries. JAEA has conducted to realize BN600 vipac fuel option, which is MOX vipac fuel made with W-Pu is burned in BN600 reactor, based on experiences of Pu utilization and fast reactor technology in a decade years. Technical feasibility is established through several cooperative studies with Russian Institutes. Since this option is confirmed as a low-cost and early disposition method, recently, US and RF seek to accelerate this option prior to VVER1000 option. This paper will provide a description of progress on BN600 vipac fuel option and future prospects of whole plan of Russian Surplus W-Pu disposition of 34 ton.
Kamimura, Katsuichiro; Yano, Soichiro; Kono, Shusaku; Kato, Masato; Morimoto, Kyoichi; Morihira, Masayuki; Kikuchi, Keiichi
PNC TN8410 97-067, 452 Pages, 1997/02
None
Kato, Masato; Yano, Soichiro; ; Kamimura, Katsuichiro;
Donen Giho, (94), p.53 - 62, 1995/06
None
Kamimura, Katsuichiro; Iijima, Takashi*; Yano, Soichiro
PNC TN8410 95-296, 186 Pages, 1995/05
None
Kawata, Norio; Yano, Soichiro
no journal, ,
Russian Surplus W-Pu was produced by byproducts of disarmament of nuclear weapon and recognized as a serious threat of nuclear proliferation. US and RF concluded an agreement to dispose of no less than 34 ton-Pu each in 2000. JAEA has conducted to realize BN600 vipac fuel option, which is MOX vipac fuel made with W-Pu is burned in BN600 reactor, based on experiences of Pu utilization and fast reactor technology in a decade years. Technical feasibility is established through several cooperative studies with Russian Institutes. Since this option is confirmed as a low-cost and early disposition method, recently, US and RF seek to accelerate this option prior to VVER1000 option. This paper will provide a description of progress on BN600 vipac fuel option and future prospects of whole plan of Russian Surplus W-Pu disposition of 34 ton.
Tanaka, Yasumasa*; Kasai, Yoshimitsu*; Himeno, Yoshiaki*; Kawata, Norio; Yano, Soichiro; Aratani, Kiyonori; Kisly, V.*; Bychikov, A.*
no journal, ,
no abstracts in English
Komiyama, Kazumasa*; Tanaka, Yasumasa*; Shikakura, Sakae*; Kasai, Yoshimitsu*; Kawata, Norio; Yano, Soichiro; Kisly, V.*; Lipatov, A.*
no journal, ,
no abstracts in English