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Page 1: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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Page 2: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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Page 3: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

D0 LIQUID ARGON CALORIMETER

1m

CENTRAL CALORIMETER

END CALORIMETER

Outer Hadronic(Coarse)

Middle Hadronic(Fine & Coarse)

Inner Hadronic(Fine & Coarse)

Electromagnetic

Coarse Hadronic

Fine Hadronic

Electromagnetic

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Page 4: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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Page 5: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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Mass (GeV/c2)

Cro

ss S

ectio

n (fb

)

10-1

1

10

10 2

100 150 200 250 300

Mass (GeV/c2)

Cro

ss S

ectio

n (p

b)

10-1

1

10

10 2

150 200 250 300 350 400

pp e e X→ +~~

pp q g X→ +~ / ~

m mq g~ ~=

m me eR L~ ~=

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s = 18. TeV

~q

~q

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g

g

g

~q

~q

q

q

Page 6: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

1 fb

1 pb

1 nb

1 µb

1 mb

Cross Section

Jet

bb_

W/Z

tt_

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103

106

109

1012

Events

pp_ → X

TeV 8.1s =

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Page 7: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

pp WZ E E XWW E E X

T T

T T

→ → + / ⇒ + / +→ + / ⇒ + / +

±

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1 11 2

l

l

pp qq X jets Ejets Ejets Ejets Ejets E

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→ → + ⇒ + /+ ⇒ + / ++ ⇒ + / ++ ⇒ + / ++ ⇒ + / ++

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Page 8: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

t∼1 → cχ

∼10

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∼1+

t∼1 → bWχ

∼10 t

∼1 → tχ

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Page 9: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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Page 10: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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1

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10-6

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10-3

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W/Z/Top + QCD

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1 140 GeV/c2 LSP 40 GeV/c2

min JP

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BR (t∼1 → c + χ

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BR (b∼

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Page 11: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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CDF PRELIMINARY

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80 90 100 110 120 130M(t∼1) (GeV)

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GeV

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Page 12: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

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350

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Page 13: 5XQ,5HVXOWVDQ G5XQ,,3URVSHFWVqianj/susy2k.pdf · 2000. 6. 16. · yyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyy 0 100 200 300 400 500 600 0 100 200 300 400 CDF E T m gluino

95% C.L. Excluded Region

DØ Preliminary

LEP I Excluded(dotted lines)

tan 2.0

3.0

4.0

5.06.0

β

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GeV

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40

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MS > 13. TeV (n = 2) 1.4 TeV (n = 3) 1.2 TeV (n = 4) @ 95% C.L.

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CPS

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0

250

500

750

1000

1250

1500

1750

2000

-10 -8 -6 -4 -2 0 2 4 6 8 10

436.2 / 193Constant 1812. 7.347Mean -0.7222E-02 0.6948E-02Sigma 2.192 0.5494E-02

a)

Impact parameter, Run II

0

500

1000

1500

2000

2500

3000

-10 -8 -6 -4 -2 0 2 4 6 8 10

700.7 / 195Constant 2882. 11.58Mean 0.2570E-02 0.4352E-02Sigma 1.368 0.3325E-02

b)

0.1mm 1mm 1cm 10cm 1m 10m

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parameter

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σ rz = 2 2. cm

σ φr = 1.4 cm

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10-4

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cy, %

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SMT CFT CALTracks as we know Kinks Large dE/dx

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500

1000

1500

2000

2500

3000

x 102

0 20 40 60 80 100 120ADC counts

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nts

68% 95% 99%

SMT

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