Identified charged hadron production in collisions at = 200 and 62.4 GeV

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

https://doi.org/10.1103/PhysRevC.83.064903

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.

Azimuthal correlations of electrons from heavy-flavor decay with hadrons in and Au+Au collisions at = 200 GeV

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

https://doi.org/10.1103/PhysRevC.83.044912

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.

Evidence for a narrow = +1 Baryon resonance in photoproduction from the neutron

Nakano, Takashi*; Ahn, D. S.*; Ahn, J. K.*; Akimune, Hidetoshi*; Asano, Yoshihiro; Chang, W. C.*; Date, S.*; Ejiri, Hiroyasu*; Fujimura, Hisako*; Fujiwara, Mamoru; et al.

Physical Review Letters, 91(1), p.012002_1 - 012002_4, 2003/07

https://doi.org/10.1103/PhysRevLett.91.012002

no abstracts in English

Fission Track Ages of Several Quaternary Tephras in Kanto and Chubu Regions, Central Japan

Fujihara, Osamu; Suzuki, Takehiko*; Danhara, Toru*

Chigaku Zasshi, 107(3), p.348 - 367 , 1998/00

https://doi.org/10.5026/jgeography.107.3_348

None

Operational test (II) of falled fuel detection and location system (FFDL) of Joyo

Morimoto, Makoto; Okubo, Toshiyuki; ; ; ; ;

PNC TN9410 91-334, 64 Pages, 1991/10

PNC-TN9410-91-334.pdf:1.72MB

An failed fuel detection and location system (FFDL) using a sipping method is adopted as the FFDL of Joyo. FFDL has not operated since the first falled fuel simulated (FFDL-I) test in April, 1985 because Joyo has not yet experienced any operation with breached fuels. Therefore, the operational test (II) of FFDL was carried out on July 1219, 1991 for a preparation of the FFDL-II test which is scheduled in 1992. Main results from the test are as follows ; (1)The adequacy of the functions and operating procedure of FFDL was reaffirmed and the operating experience was gained. (2)Radioactivity measurement was conducted by FFDL for six subassemblies and their integrity was confirmed.

JAEA thermodynamic database for performance assessment of geological disposal of high-level radioactive and TRU wastes; Fundamental plan and status of selection of thermodynamic data

Kitamura, Akira; Fujiwara, Kenso; Shibata, Masahiro; Tachi, Yukio; Doi, Reisuke; Yoshida, Yasushi*; Yamaguchi, Tetsuji; Yui, Mikazu

no journal, , 

A fundamental plan has been established to develop a thermodynamic database for performance assessment of geological disposal of high-level and TRU radioactive wastes. Number of selected elements is 24 (actinides, fission products and their daughters), which are of importance for the performance assessment of geological disposal. The fundamental plan is in principle based on the guidelines established by the Nuclear Energy Agency in the Organization for Economic Co-operation and Development (OECD/NEA). Additional unique guidelines have been established due to a requirement from the performance assessment to select tentative thermodynamic values obtained from chemical analogues and/or models for some elements of which thermodynamic values are insufficient. Status on selection of thermodynamic data of cobalt, nickel and palladium has been introduced as well as the fundamental plan.

Phloem-specific transporter OsLCT1 at nodes regulates preferential Cd transport to upper nodes and grains

Uraguchi, Shimpei*; Suzui, Nobuo; Yin, Y.-G.; Ishii, Satomi; Fujimaki, Shu; Fujiwara, Toru*

no journal, ,