Физика столкновений ультрарелятивистских ядер (экспериментальные закономерности). Коротких В.Л. - 15 стр.

UptoLike

ВУЗ: 

МГУ | Москва

Составители: 

Рубрика: 

(GeV/c)
T
p
0 1 2 3 4 5
-2
dy) (GeV/c)
2
T
dpπN/(
2
d
-9
10
-8
10
-7
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
1
10
2
10
3
10
4
10
5
10
Au+Au (central) calculations:
[0-5%]
-
πHydro
-2
10× [0-5%]
-
Hydro K
-4
10×Hydro p [0-5%]
0
π[0-5%]*0.2,
AA
T×[NLO pQCD]
-2
10×
-
[0-5%]*0.2, K
AA
T×[NLO pQCD]
-4
10×[0-5%]*0.2, p
AA
T×[NLO pQCD]
Au+Au (central) data:
[0-5%]
-
πPHENIX
[0-10%]
0
πPHENIX
[5-10%]
+
πSTAR
[0-15%]πPHOBOS
[0-5%]
-
πBRAHMS
-2
10× [0-5%]
+
PHENIX K
-2
10× [5-10%]
+
STAR K
-2
10× [0-5%]
s
0
STAR K
-2
10×PHOBOS K [0-15%]
-2
10× [0-5%]
-
BRAHMS K
-4
10×PHENIX p [0-5%]
-4
10×STAR p [0-5%]
-4
10×PHOBOS p [0-15%]
-4
10×BRAHMS p [0-10%] 
                              105          Au+Au (central) calculations:                        Au+Au (central) data:
          -2




                                                     Hydro π - [0-5%]
                                                                                                      PHENIX π- [0-5%]
          d2N/(π dpTdy) (GeV/c)




                                                                                                      PHENIX π0 [0-10%]
                              104
                                                             -               -2
                                                     Hydro K [0-5%] ×10
                                                                                                      STAR π+ [5-10%]
                                                     Hydro p [0-5%] ×10
                                                                        -4
                                                                                                      PHOBOS π [0-15%]
                              103                    [NLO pQCD] × TAA [0-5%]*0.2, π 0                 BRAHMS π- [0-5%]
                                                                                                                               -2
                                                                                    -
                                                     [NLO pQCD] × TAA [0-5%]*0.2, K × 10
                                                                                           -2         PHENIX K+ [0-5%] × 10

                              102
                                                                                                              +              -2
                                                     [NLO pQCD] × TAA [0-5%]*0.2, p × 10-4
                                                                                                      STAR K [5-10%] × 10
                                                                                                              0            -2
                                                                                                      STAR Ks [0-5%] × 10
                                                                                                                                  -2
                                                                                                      PHOBOS K [0-15%] × 10
                                  10                                                                              -
                                                                                                      BRAHMS K [0-5%] × 10
                                                                                                                                -2
          2




                                                                                                                             -4
                                                                                                      PHENIX p [0-5%] × 10
                                                                                                                         -4
                                   1                                                                  STAR p [0-5%] × 10
                                                                                                                                 -4
                                                                                                      PHOBOS p [0-15%] × 10
                             10-1
                                                                                                                                 -4
                                                                                                      BRAHMS p [0-10%] × 10


                            10-2
                            10-3
                            10-4
                            10-5
                            10-6
                                  -7
                            10
                            10-8
                            10-9
                                0      1                    2                     3                    4                 5
                                                                                                           pT (GeV/c)

èñ. 4: Äàííûå RHIC äëÿ ñïåêòðîâ ïî ïîïåðå÷íîìó èìïóëüñó ïèîíîâ, êàîíîâ è
(àíòè)ïðîòîíîâ â öåíòðàëüíûõ 010% AuAu-ñòîëêíîâåíèÿõ â ñðàâíåíèè ñ êîì-
áèíèðîâàííûì ðàñ÷åòîì â ãèäðîäèíàìè÷åñêîé ìîäåëè è ïåðòóðáàòèâíîé ÊÕÄ
[23℄. Äëÿ íàãëÿäíîñòè êðèâûå ñäâèíóòû íà àêòîð, óêàçàííûé íà âðåçêå.




                                                                   14

Страницы