PICO-LON Project PICO-LON Project to search for WIMPs Dark to search for WIMPs Dark MatterMatter

Ken-Ichi Fushimi for PICO-LON Project

Planar Inorganic Crystal Observatory for LOw-background Neutr(al)ino•Aim

•Search for WIMPs dark matter•Detector

•Thin NaI(Tl) 18cmX18cmX0.5cm

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Natsuko Izutani (Univ. of Tokyo), Hideyuki Umeda (Univ. of Tokyo), Takashi Yoshida (Univ. of Tokyo)

HNe?orSNe?

EMP star(high Zn, Co)

shocks/kb ～ 15 (HN)→ high Zn, Co s/kb ～　 3 (SN)→ low Zn, Co

Fe,Zn,CoFe,Cr,Mn

SiFe

SiC+OHe

Ye > 0.5

Ye < 0.5

hot bubble(near Fe-core)

(Janka et al. 2003)center

How the Abundance Patterns ofEjected Matter is changed ??

What is the origin of EMP stars ? 　　　　　ー HNe or SNe ?

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The neutron-rich matter in relativistic Hartree-Fock model with bare NN interaction

Jinniu Hu, Hiroshi Toki, Wu Wen and Hong Shen

Object of study: The equation of state of neutron-rich matterMethods: The relativistic Hartree-Fock (RHF) methodThe unitary correlation operator method (UCOM)NN Interactions:Bare interactions----Bonn interactions

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