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.

None

*; *; *; *; *; *; *

PNC TJ9124 97-009, 150 Pages, 1996/12

PNC-TJ9124-97-009.pdf:9.43MB

None

Charge-changing collision cross sections of low-energy carbon ions with carbon containing molecules

Hamamoto, Nariaki*; Tanaka, Takashi*; Ito, Akio*; Imanishi, Nobutsugu*; Saito, Manabu*; Haruyama, Yoichi*; Shirai, Toshizo

JAERI-M 93-202, 45 Pages, 1993/10

JAERI-M-93-202.pdf:1.09MB

no abstracts in English

Experimentall and theoretical studies of the heavy-water homogeneous two-region system

Katsuragi, Satoru; ; ; Takehiko Yasuno*

Journal of Nuclear Science and Technology, 2(4), p.132 - 140, 1965/00

https://doi.org/10.3327/jnst.2.132

no abstracts in English

AMOC measurement for fused quartz during ion irradiation

Konishi, Suzuka*; Minagawa, Hideaki*; Majima, Takuya*; Imai, Makoto*; Saito, Manabu*; Hirade, Tetsuya; Tsuchida, Hidetsugu*

no journal, , 

To clarify the damage behavior under ion irradiation in quartz glass, Age-Momentum Correlation measurement that is a coincidence measurement of positron annihilation lifetime and annihilation gamma ray Doppler broadening was performed under 2 MeV proton irradiation. From the change in momentum distribution of electrons involved in positron annihilation in voids of the quartz glass, flux dependence of damage behavior could be detected.