| $B#Q#C#D$K$*$1$k%G%P%$ |
| $BC^GHBg3X!&J*M}3X7O(B | |
| $B;0L@9/O:(B |
| $B#J!?&WN3;R(B |
| $B&R(B〜$B#1#G#e#V!?#f#m!"#c(B〜$B#0!%#1#G#e#V#f#m$GNI$$0lCW(B | |||
| Satz$B!">>0f$NDs0F(B |
| $B#Q#C#D$K$*$1$k%G%P%$ |
||||
| $B%W%i%:%^BN@Q$N$h$jBg$-$JCf?4>WFM$G$O!"#J!?&W$N<}NLDc2<(B | ||||
| ⇨$B>WFM78?t0MB8@-$N4QB,(B | ||||
| $BH>7B$NBg$-$J&W!G$O#J!?&W$h$jM^@)$5$l$k(B | ||||
| ⇨$B#J!?&W!?&W!GHf$N4QB,(B | ||||
| $B2#1?F0NL$NBg$-$J#J!?&W$OAjBPO@E*8z2L$K$h$j%O%I%m%s2=A0$K%W%i%:%^NN0h$rDL$jH4$1$k!#(B | ||||
| ⇨$B2#1?F0NL0MB8@-$N4QB,(B | ||||
| $B8EE5E*%G%P%$ |
| $B9b29$G$O |
||||
| $B#Q#G#P>Z5r$H$7$F$N#J!?&WM^@)8z2L$NFCD'(B |
| $B#1!K(BPrimary n-n collisions$B$G$N$_#J!?&W@8@.$5$l$k!#(B | ||||
| $B$=$N |
||||
| ⇨$B@8B8N($,DL$jH4$1$F$/$kJ* |
||||
| $B#2!K(BInitial/Final State Interaction$B$,LdBj(B | ||||
| $B2?$i$+$N=i4|2aDx$G>/$J$/@8@.$5$l$F$$$J$$$+!)(B | ||||
| ⇨Drell-Yan$B2aDx$N4QB,(B | ||||
| $B#J!?&W$H&W!G$O(BInitial/Final State Interaction$B$OF1DxEY!*!)(B | ||||
| ⇨$B#J!?&W!?&W!GHf$N4QB,(B | ||||
| $B#J!?&W$NB,Dj(B |
| Dimuon Spectrometer = | |||
| $B!!!!!!!!!!!!!!!!!!(B Muon Absorber + Magnetic Spectrometer | |||
| B(I%(Bdl ~ 1~2 Tm | |||
| Mass Resolution ~ 3.3 % | |||
| $BB,Dj$NFq$7$5(B | |||
| Rare object | |||
| Small cross section; <$B&L(B-barn in pp | |||
| Small branching ratio ; B$B&L&L(B ~ 7% | |||
| $B!!!!(B⇩ | |||
| Thick Target ; 17% of Int. Len. | |||
| High Beam Intensity ; 107$B!!(B ions/sec. | |||
| Normalization of cross section | |||
| $B |
| $B#J!?&WM^@)8z2L$N2r |
| $B%/%)!<%/J* |
||
| $B!!(B6) 1987 Nordkirchen, Germany | ||
| $B!!(B7) 1988 Lenox, USA | ||
| $B!!(B8) 1990 Menton, France | ||
| $B!!(B9) 1991 Gatlinburg, USA | ||
| 10) 1993 Borlange, Sweden | ||
| 11) 1995 Montrey, USA | ||
| 12) 1996 Heidelberg, Germany | ||
| 13) 1997 Tsukuba, Japan | ||
| 14) 1999 Torino, Italy | ||
| $B#J!?&W@8@.NL$N@dBPCM(B |
| $B%P%C%/%0%i%&%s%IItJ,$NA}2C$N$?$a$K!"#J!?&WM^@)$H!I8+$($?!I$N$G$O$J$$!#(B | |
| $B@dBPCM$K$*$$$F#73dDxEY$K8:>/!*(B |
| Drell-Yan Process |
| Drell-Yan Process | ||
| $B%/%)!<%/!&%/%)!<%/>WFM(B | ||
| $B3K;R!&3K;R#1WFM$NIQEY$KBP1~(B | ||
| $B0lDj$G$"$k$3$H$+$i!"#J!?&W@8@.$^$G$N=i4|>WFM$G%(%M%k%.!<$rB;<:$7!"$=$N$?$a$K<}NL$,8:>/$7$?$b$N$G$O$J$$$3$H$N>Z5r$H9M$($i$l$k!#(B | ||
| $B#J!?&W<}NL$H(BDrell-Yan$B2aDx$NHf(B |
| $B#L!J#f#m!K!((B | ||
| $B#J!?&W$,DL2a$9$k3KJ* |
||
| $B#1#9#9#9G/$N>u67(B |
| $B@55,2=$NJ}K!$NJQ99$K$h$j8m:9$r>.$5$/!*(B | ||
| Drell-Yan$B$NE}7W8m:9$,7hDj(B | ||
| Drell-Yan$B$+$i(BInclusivePair$B$K$h$k@55,2=(B | ||
| $B$h$jJ#(B$B;($J9=B$$r<(:6!*!)(B |
| $B#2=EogCM!)(B | ||
| $B$h$j9b29$G$O!"&V$,M;$1!"(B | ||
| $B$=$7$F!"#J!?&W$,M;$1$k!)(B | ||
| $B#2=EogCM$,3NG'$G$-$l$P!"4V0c$$$J$/#Q#G#P!*(B | ||
| $B%/%)!<%/!&%0%k%*%s%W%i%:%^@8@.!*!)(B |
| CERN(I%(BSPS$B$NA4=E%$%*%s |
||
| $B9qFb!&30$NJsF;(B | ||
| $B#27n#1#0F|3F |
||
| $B#27n#2#4F|FIGd?7J92J3XMs$J$I(B | ||
| $B!H3N>Z$G$O$J$$$b$N$N#Q#G#P@8@.$r<(:6$9$k |
||
| $BF|K\J*M}3X2q;o!"J?@.#1#2G/#1#17n9f$G>R2p(B | ||
| $B3N>Z$O!"$h$j9b%(%M%k%.!< |
||
| $B#2#0#0#1G/$N8=>u(B |
| 2 Accidents !? |
| $B$h$jE}7W@:EY$N9b$/$J$k8+J}(B | |
| $B!H(B2 Accidents$B!I$r |
| Non-QGP Model$B$K$h$k@bL@!J#1!K(B |
| Co-Mover Model | ||
| $B%O%I%m%K%C%/$J#2 | ||
| Non-QGP Model$B$K$h$k@bL@!J#2!K(B |
| Et fluctuations incluided | |
| $BogCME*?6$kIq$$$,$J$$!)(B | |
| $BM[;R!&86;R3K>WFM%G!<%?$rL5;k(B |
| QGP$B@8@.$r2>Dj$7$?LO7?(B |
| Blaizot;gradual suppression, Et fluctuation | |
| Nardi; two thresholds(X,J/psi), no Et fluctuations |
| Pt$B0MB8@-(B |
| $B$h$jDc$$(Bpt$BNN0h$GM^@)$,Bg$-$$!*(B | ||||
| QGP$B%7%J%j%*$H9gCW(B | ||||