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University of Colorado, Boulder

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??????? ??? ? ?????? ???????????? ?? ???????????? ????????? ????????? (ILC) M. ?????????? ?. ... Laboratoire de l Acc l rateur Lin aire, Orsay. Royal Holloway ... – PowerPoint PPT presentation

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Title: University of Colorado, Boulder


1
(No Transcript)
2
  • University of Colorado, Boulder
  • Brookhaven National Lab, Upton
  • Yale University, New Haven
  • Laboratoire de l Accélérateur Linéaire, Orsay
  • Royal Holloway University, London
  • AGH University, Krakow
  • Institute of Nuclear Physics, Krakow
  • DESY, Hamburg Zeuthen
  • Joint Institute Nuclear Research, Dubna
  • National Center of Particle HEP, Minsk
  • Academy of Science, Prague
  • VINCA Inst. f. Nuclear Science, Belgrade
  • University of Tel Aviv
  • Cooperation with SLAC

3
(No Transcript)
4
LDC ??????? ??????? ?????????
5
????????????? ? ??????? ???????
  • BCAL, LCAL, GamCal
  • ?????? ?????????? ????? ? online monitoring
    ???????????? , ???????? ?????? ????????????, ???
    ? ?? ??????? ?????????? ????????? ?? ??????
    ????????? ??????? ? ???????????? ?????????????
    ?????????
  • ???????? ?????? ???????????? ?? ????? ???
    ?????????? ??????????? ??????????? ?????? ??????
    ????????? ?????? ? ???????????? ????????? ??
    ????? ???????? ? ??????? ?? ????? ?????????
    (SUSY)

6
(No Transcript)
7
??????????? ???????? ???????? ILC
  • ????????? ???????? (ee-)
  • ????????? ??????
  • - ???????? 500 GeV ? ??????? ?????? ???? (1
    TeV)
  • - ????????? ??????????? - 2 1034 cm -2s-1
  • ?
  • - ??????? ???????? ? ???. ??????????? ?????????
    ??????????
  • - ??????? ????? ??????????
  • - ??????? ?????????????? ???????? ?????
  • - ????????? ???
  • ILC je ?????????????? ??????????? ???????
    ?????????? ????????? (LHC)
  • ???????? ?????? ??????? ?????????????? ??????? ??
    LHC
  • ???????????? ???????? ?????????? ?????e ????? ??

8
ILC Reference Design Report
9
M????? ???????????? ?? ILC
  • O?????? ?????? LCAL je ?????? y????? ????????????
    ?? ??????????? ???? 10-4
  • ?????? ?????????? ?????????? ?? ??????? ??????
    ?????? ??????? ????????? ??????? ?? ?????????
    ??????? Z0, ????????? ??????? ?? ?????????????
    ?????????? ?? ??????? ??????????, ??? ? ??
    ??????? ?????? EWSB ??????? (???????? ????????
    ???????????? ??????)
  • ???????????? ??????? ? ?????? ???????????? (
    ??????????? ?????????) ????? ????????? ?????????
    ? ???????? ????
  • ????? ?????????? ??????? ??????? ? ???????? ????
    ? ??????????? ?? ?????? ????????????, ???????
    ??? ???????????? ?????????? ????? ?? ???????
    ???????????? ???????
  • ???? ??????? ???????? ????? ????????? ???????,
    ??? ? ?????? ???????? ???? ?? ?????? ??????? ??
    ????????? LCA L (read-out system)

10
  • ?????? ??????????? ?? ???????? ?? ?????? ???????
    ????? Bhabha ???????? ? ??????? ?????? LCAL ?
    ????????????? ?????????? ????????? ???????- ??
    ???????? ?? ???? ???????? ???? ????????
    ??????????????? ??? ??????, ??? ? ?? ??????????
    ?????????
  • LintNbha/?B ?
    Lint(Nexp-Nbck)/???B
  • ?? ????? ????????, ???????? ?????? Bhabha
    ????????
  • ds/d??32 p a2 / (s ?3)

11
?????? LCAL
  • ??????????????? ??????? ???????????
  • 30 ??????? - ?????? ???????, ??????? ????????
  • Z2270 mm ?? ????????????? ?????
  • ?????? ?????
  • X-???? 14 mrad 44 155 mrad
  • (????? ????? 26 - 155 mrad)
  • ????? ??????? ?? ???????? ????????? ? ???????? ??
    ?????? (96x48) pad ??????
  • ??????? ???? ?????????? ??? ????????? ????????a ?
    ???? ???????? ??????????
  • ? L/L ?? ???????o? ????

12
?????????? ????????? ? ?????????? ????????
  • ???????? ?? ????????? ????????? BARBIE V4.1
    (Geant3), ?? 500 GeV ? ??????? ?????? ????,
    ?????? ????? ????????? 26-82 mrad, ?????????
    ????? ??????????? ???????????? (????? ?????????
    - 64 ???????, ??????? ??????? - 120 ???????)
    ??? .strip design
  • ?????? ???? 105 ???????? ??????????? BHLUMI
    Bhabha ??????????? ??? ????? ????????, s (4.58 ?
    0.02) nb. ???????? ?? s ? t ?????, ????????????
    ??????? ? ?????????? ???????? ?????. ??????? ??
    ?????? 8 x 10-3 ???????/BX ? LCAL
  • ????????????????? ???????, ?????????? ??????????
    ?????? ?? ?????????? ?? ???????? ?????
    ??????????? WHIZARD V1.4. ???????????? ?????? ??
    ???? ???????? ???????. ?????????? ?? 106
    ?????????? (ee-?ee-ll-) (le,?) i 105
    ?????????? (ee-?ee-qq) (qu,d,s,c,b) ????????
    ?a ??????? ????????? ???????? (2.680.03) nb

13
??????? ??????? ? ???????? ????
  • ??????????????? ????????? Bhabha ???????? ?? ???
    ??????????????? ??????? ???? ???? ???? ????????
    ????? ? ?????? ?? ??????????? ? ????????????
    Bhabha ???????
  • ?? ?????? ???? ??????? ????????? ?? ???????????
    ?????????? ???????
  • ?? ???????? ????
  • ??????????? ??????????????? ??????????
    ?????????? ?????? ???????? ???. ????????????????
    Feynmann-?? ???????? (103 ???? ???????????)
  • ???????????????? ??????? ??? ee- ?????? ???
    beam-pipe, ??? ??????????????? ff ??? ??? ????
    ????????????
  • ?? ???????? ????

14
?????????? ??????? ? ???????? ????
  • ??????????????? Bhabha ?????????? ?????????
    ???????????? ??????????? ?? ??????????? ???????
    ?? ???????? ????
  • ???????????? ??lt 0.06 deg
  • ????????????? ?? lt 5 deg
  • ?????????? ?????? EF(R)-EB(L)? lt 0.1 Emin ,
  • Eminmin(EF(R)-EB(L)?)
  • ????????? ???????? (EFEB)/2Ebeamgt0.75
  • ?????????????? ?? ??????? ?????????????? ???????,
    ??? ? 100 ?????????? ??????????????

15
???
??????
16
???
??????
17
??????????? ????????? ? ???????????
?????????? ????????? ??????? ?????????? ????????? ??????? ????????? ??? -?????????? ??????????? ????????? ??? -?????????? ???????????
1. ?? lt0.06 deg 81.87 81.87 95.20 95.27
2. ?f lt 5 deg 97.96 97.96 89.53 90.42
3. Ebal lt 0.1 Emin 90.61 90.61 94.58 95.45
4. Erel gt 0.75 99.08 99.08 88.73 95.96
B/S (1,2,3)? B/S (1,2,4)? 1.3 10-4 2.6 10-4 80.6 80.8 99.38 99.26 99.78 99.47
?L/L (B/S) ??B 10-6
18
?????????? ???????? ?? ???? ????? ??????? ??
????????? (????) ? ????????? ??? (?????), ???
(????) ? ????? ?????????(????)
(??????????? 123)
19
????????? ??????? ?? ?????????
B.Pawlik
20
  • ????????? ??????? ?? ????????? (occupancy) ??
    ??????? ????????? ?? strip ?? pad??????
    ????? ???????? ??????????? ????????? ???????.
  • ? ??? ??????? ??????? ????????? ?????? ??
    ????????? ??? ????? ???????? ?????? ????????????
    ?? beamstrahlung-? (???????? ???)
  • 10 x ???? ?? ??????? (????? 100 x ???? ??
    ???????? ????)

21
??????? ? ??????? ?????????? ?????????
  • ????????? ???????? ?????????? ?? ?? ?? ??????
    ????? ???????? ???? ? ??????? ?? ????? 10-4,
    100 ???? ?? ???? (??????) ?? ???????? ??????????
    ?????????? ?? ? (???? ?? ???? 10-2 mrad)

22
??????? ??? ? ?????? ??????????? ???????
  • ?????? ??????????? ??????? (Beamstrahlung ?
    ??????????????? ?????????? ) ??????????
    ?????????????? ???????? ? ???????? ????? ???
    ?????? ?? ??????? ??????? ???? 4.4
    (BH?bhaSuppressionEffect)
  • ?????????? ?????????? ?? ????????
    (????????????) ?????????????
  • - Erel gt 0.8
  • - 30lt?lt75 mrad (??????????? ?????????? ?? e
    ? e-),
  • ????????? ?? BHSE ?????? ?? 1 ? ?L/L BHSE
    X

23
?????????? ????????? ??????? ? ???????????
???????? ???? ???????? ???????? ????????????
???????????
?????????? ????????? ??????? ????????? ??? ?????????? ??????????? ????????? ??? ?????????? ???????????
1. 30lt?lt75 mrad 64.99 42.11 41.95
2. Erelgt0.8 98.50 90.74 96.57
All cuts (1,2) 64.33 93.69 97.48
B/S 1.87 x 10 -3 1.87 x 10 -3 1.87 x 10 -3
24
????????
  • ?? ?????????? ?????????? ???????? ???? ?????? ??
    ????????? ??????????? ????????? ?? ???? ??
    ??????? ??????? ??????????? ?????????? 20 , ?
    ?????????? ????????? ??????????? ?????? ??????
    ???????????? ???? ?? 10 -4
  • ??????? ??????????? ??????, ??? ????? ??
    ??????????, ???? ?? ???????????, ? ???????
    ??????????????? ????????, ????? ??????????
    ?????????? ??????????? ??????, ??? ????? BHSE
    ???? ????????
  • ??? ??????? ?? ??????????? ?????????? ?????????
    ??????????? ???????????? ??????? (??????????
    ?????????, ??????? ???, BHSE) ? ???? ???????????
    ?????????? ??????????? ????????? ??? ?????? ??
    ?????? ??????????? ?????? ?????? ????????????
    ???? ???? ?? 10 -4
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