????????%20????????????????%20??????????%20?????????%20?????%20?%20???????%20FAIR%20?%20??????????

1
???????? ???????????????? ?????????? ?????????
????? ? ??????? FAIR ? ??????????

• ?.?. ??????? ????, ????????
• ??????? ????14 ??????? 2009

2

• ???????????????? ??????????? ????????? ?????
• ??? ????????? ????????????
• ?????????? ?? ????????? ???
• ??????? ?????? ??? ???? ??????
• ?????????? ???????????? ??????????????? ?
  ????????????? ?????????? ????????? ??? ?? ????? ?
  ????

3
???????????????? ???????????
??? ???????????? ????????????
??? ????????? ????????????
4
EMC ????????? ????????????

• 7 ?????? ?? ????? ??????????????
• ??????? 4 ?2
• ????????? ??? ??????? ????????? ?????
  (?????????????? ???????????? ???)
• ???????? ??????? 10 ??? 15 ???
• ?????????? ????????????? ???? ? ??????
  ???????????? ? ??????????? ??? ??????
  ???????????????? ???????, ?????????? ?????
  ????????? ? ????? ?????? ? ????????????? (??????)

5
????????? ??????? ??????? ??? ??? ?????
????? 5 GeV/c
?????? ?????? ??? ??????, ??????? ??? ?????????
???
????? 15 GeV/c
6
?????? ? ???????? ???, ????? 6.27 GeV/c
7
??????? ????????, ????? 6.27 GeV/c
??????? ??????? ? ???????? ??? ?? ????????
???????? ???????????? ??????, ?.?. ?????
??????????? ?????? ???? ??????? ? ????????????
???.
8
????????? ??????????? ??????????? ???? ??????
9
???????????? ??????????? ? ?????????????
10
????? ??? ????????? ??? ????? (???? ??????)
11
???????? ????????? ??? ?????
12
?????? ?????? ?? ????? ?????? ? ????
13
????????? ????????? ???????? ??????

• 9 ??????? ??????? ? ??????? 3?3
• 380 ????? ??????? 0.3-?? ?????? 1.5-??
  ?????????????, ????? ????? 680 ??
• ?????????? ??????? ?????? 110x110 ??2
• ?????? ??????? RM59 ??
• ???????????? ????? X034 ??
• ?????????? ???.???? 20X0
• ???? ????? 144 (12?12) ??????? BCF-91A (?1.2 ??)
• ???????????? ??? Hamamtsu R5800

14
????? ????????? ?? ???????? ?????
DC1
M14
DC2
DC3
ECAL prototype
Beam
DC4

• ???????? ??????????? ?? 4 ????????? ????? ?
  ??????? ??? ??????? ????????? ???????? ????????
  ???????
• ???????? ??????????? ?? ??????????? ?????????
• ????? ? ????????? 1-19 ???/c, 70 ??????????

15
???????? ??????????? ?? ???????? ?????
???????? ??????????? ?? ??????? ???(?????) ?
????????? ??????? ? ?????????? (??????)
16
?????? MIP
17
??????????? ??????????????? ?????????? ?? ???????
18
????????? ??????????????? ??????????

• sE /E a/E ? b/vE ? c , E ? ???
• ????????? ??? ????. MC
• a 3.5 0.3 a 0.0
• b 2.8 0.2 b 3.0 0.3
• c 1.3 0.04 c 1.1 0.7
• ??????? ???????? ???????????? ? MC ??? ?????
  ???????? ?????.
• ??????? ???????? ? ??????????? ???????????
  ??????????? ? ??????????? ?????? ?????????? ???
  ?????? ???????? (2.9/ vE ??? 220-370 ??? Test
  beam study of the KOPIO shashlyk calorimeter
  prototype, G.Atoian, S.Dhawan,V.Issakov et al.
  CALOR-2004 Proceedings )

19
?????????? S-?????? ??? 19 GeV/c
?????????? ?? ?????? ???????
???????? ??????????, ??
20
??????????? ????????????? ?????????? (? ??????)
?? ???????
21
????????? ????????????? ??????????

• sx a/vE ? b mm, E ? ???
• ????????? ??? ????. MC
• a 17.6 0.9 a 14.2 0.6
• b 4.6 0.9 b 5.5 0.9
• ????????? ??? ?????????? ? ?????? ??????.
• ?????????? ?? ????? ? 3 ???? ????

22
??????????? p ?????????? ???
??????
DC1
Beam
S1
S2
S3
St
SA

• ???????? ????????? ??? ?? 64 ????? 55?55??2
• ?????? (Al 20 ??) ?? ?????????? 1.5 ? ? 3 ?
  ????? ??????????

23
????????? ?????????? (55?55 ??2)
???????????? ?????????? ??? 55?55 ??? 19 ??? ?
?????? ?????? 3 ?? (6 ?? ??? ???????), ?? ????
1.5 ?? ??? ????? ???????? ??????
sE /E 5.6/E ? 2.4/vE ? 1.3 sE /E 3.5/E
? 2.8/vE ? 1.3 (??????? ??????)
24
????????????? ??????????? ?????? ( 1.5 ? )
p0 1-2 GeV, sm 12.5 MeV
25

• Backup slides

26
Active elements area of detector - 2970 x 1540
mm Total active elements (supermodules) number
(27 x 14) 4 374 Detector width along beam
pipe line 1100 mm (20 mm gap shared with
neighbors) Window for the beam pipe 174 x 174
mm (beam pipe size???)
27
MC shashlyk parameters

• Shashlyk module geometry including holes
• Tile att. length 70 cm
• Fiber att length 400 cm
• Reflection from tile edges diffusive
• Tot. internal reflection 0.97
• Tile light output 100 eV/photon
• Reemission probability in fiber 0.1
• Refraction in tiles and fibers 1.59

28
Shashlyk module internal structure
29
?????? ?????, ????? 2? ?-70, 10 ???/?
30
S-curve MC (0.5 10 GeV)