???????????????????????

1
QGP???????RHIC?????QGP??
??????(??????)???????????????????????????????????
?????? ????????????????????????????????????????
?????????????????????????????????
??????????????????????? Quark Gluon Plasma (QGP)
??? ? Big Bang ?10??????????????????????????????
???????????????????QGP? ???????????????
????????? jet ??????
jet
energy loss
QGP???????
???(RHIC)
????(CERN-SPS)

• ?????????????????????????????????????????????????
  ?????????
• ?????jet ??????????? jet ?????????

??
?????? ???? (QGP)
???? ???? ud??
?? ????
?? jet ? ?????
jet
???
??

• QGP????????????
• ????? jet ?????
• (jet quenching)

• two particles azimuthal distribution
• ??????? ????
• ??????(?????? jet ?
• ???????)

CERN NA50 Exp?QGP?????????(2000?)? ????????
Relativistic Heavy Ion Collider (RHIC)
STAR ???
PHENIX???
RHIC???? (20002003)
d-Au ??(QGP???????)??Au-Au??(QGP?????)??????
Azimuthal distribution (?????)
Jet ???(hadron?PT??)
nucler modification factor
Au-Au
????????????????????????? jet???????-?????????????
????
Au-Au ???? d-Au ????? jet ????????
?? (?????????????) ??
(??????????2??jet?????)
jet quenching
??RAB ??PT(??????????????)
nucl-ex/0306024
(???????RHIC????)
Au-Au ???? ? ???????????? ????????
??d-Au?Au-Au??? ??Au-Au??p0?charged hadron ?
??
jet ????????(QGP ?) ????????????
nucl-ex/0306021
???
???????
RHIC????? d-Au, Au-Au ?????????????Au-Au?????????
????????????????????

• Heavy Quark State ???
• ????? Probe

??????????
???????
QGP???????????????