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_ b _ q b 1 0 1 g b g _ g b _ 0 q b 1 1 b ~ ~ - PDF document

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_ b _ q b 1 0 1 g b g _ g b _ 0 q b 1 1 b ~ ~ Search for Gluino b b Search for Gluino b b 1 1 7 7 20 20 Tagged Jets Tagged Jets -1 Tagged Jets Tagged Jets -1 CDF Run II Preliminary, 156pb CDF Run II

  2. _ b _ q b 1 0 1 g b g _ g b _ 0 q b 1 1 b

  6. ~ ~ Search for Gluino b b Search for Gluino b b 1 1 7 7 20 20 Tagged Jets Tagged Jets -1 Tagged Jets Tagged Jets -1 CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb Data Data 6 6 QCD-multijet QCD-multijet 15 15 5 5 Top Top W/Z+jets,Diboson W/Z+jets,Diboson 4 4 10 10 3 3 2 2 5 5 1 1 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 st st ( ( E E ,Jet) ,Jet) ( ( E E ,1 ,1 Jet) Jet) T T T T ~ ~ Search for Gluino b b Search for Gluino b b 1 1 12 12 -1 -1 Tagged Jets Tagged Jets Tagged Jets Tagged Jets CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 5 5 Data 10 10 QCD-multijet 4 4 Top 8 8 W/Z+jets,Diboson 3 3 6 6 2 2 4 4 1 1 2 2 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 nd nd rd rd ( ( E E ,2 ,2 Jet) Jet) ( ( E E ,3 ,3 Jet) Jet) T T T T

  7. ~ ~ Search for Gluino b b Search for Gluino b b 1 1 Tagged Jets -1 Tagged Jets -1 CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 16 16 45 45 Data Data 40 40 14 14 QCD-multijet QCD-multijet 35 35 Top 12 12 Top W/Z+jets,Diboson 30 30 10 10 W/Z+jets,Diboson 25 25 8 8 20 20 6 6 15 15 4 4 10 10 2 2 5 5 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 st ( E ,Jet) ( E ,1 Jet) T T ~ ~ Search for Gluino b b Search for Gluino b b 1 1 -1 -1 Tagged Jets Tagged Jets 25 25 CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 25 25 Data QCD-multijet 20 20 20 20 Top W/Z+jets,Diboson 15 15 15 15 10 10 10 10 5 5 5 5 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 rd nd ( E ,2 Jet) ( E ,3 Jet) T T

  8. ~ ~ Search for Gluino b b Search for Gluino b b 1 1 Tagged Jets Tagged Jets -1 Tagged Jets Tagged Jets -1 CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 14 14 30 30 Data Data QCD-multijet 12 12 QCD-multijet 25 25 Top Top 10 10 W/Z+jets,Diboson W/Z+jets,Diboson 20 20 8 8 15 15 6 6 10 10 4 4 5 5 2 2 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 st st ( ( E E ,Jet) ,Jet) ( ( E E ,1 ,1 Jet) Jet) T T T T ~ ~ Search for Gluino b b Search for Gluino b b 1 1 -1 -1 Tagged Jets Tagged Jets 9 9 Tagged Jets Tagged Jets CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb Data 10 10 8 8 QCD-multijet 7 7 Top 8 8 6 6 W/Z+jets,Diboson 5 5 6 6 4 4 4 4 3 3 2 2 2 2 1 1 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 nd nd rd rd ( ( E E ,2 ,2 Jet) Jet) ( ( E E ,3 ,3 Jet) Jet) T T T T

  10. ~ ~ Search for Gluino b b Search for Gluino b b 1 1 Tagged Jets Tagged Jets -1 Tagged Jets -1 CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 6 6 Data Data 12 12 QCD-multijet QCD-multijet 5 5 Top 10 10 Top W/Z+jets,Diboson W/Z+jets,Diboson 4 4 8 8 3 3 6 6 2 2 4 4 1 1 2 2 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 st ( ( E E ,Jet) ,Jet) ( E ,1 Jet) T T T ~ ~ Search for Gluino b b Search for Gluino b b 1 1 -1 -1 Tagged Jets Tagged Jets Tagged Jets Tagged Jets CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 9 9 4 4 8 8 3.5 3.5 7 7 3 3 6 6 2.5 2.5 5 5 2 2 4 4 1.5 1.5 3 3 1 1 2 2 0.5 0.5 1 1 0 0 0 0 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 0 0 0.5 0.5 1 1 1.5 1.5 2 2 2.5 2.5 3 3 nd nd rd rd ( ( E E ,2 ,2 Jet) Jet) ( ( E E ,3 ,3 Jet) Jet) T T T T

  11. Exclusive Single B-Tagged Events Inclusive Double B-Tagged Events GeV GeV -1 GeV GeV -1 CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 2 2 10 10 B-Tagged Events / 15 B-Tagged Events / 15 B-Tagged Events / 15 B-Tagged Events / 15 Data Data 10 10 QCD-multijet QCD-multijet Top Top W/Z+jets,Diboson W/Z+jets,Diboson 10 10 1 1 1 1 0 0 50 50 100 100 150 150 200 200 250 250 0 0 50 50 100 100 150 150 200 200 250 250 Missing E Missing E [ [ ] ] Missing E Missing E [ [ ] ] GeV GeV GeV GeV T T T T

  12. Exclusive Single B-Tagged Events Inclusive Double B-Tagged Events 3 3 10 10 -1 -1 GeV GeV CDF Run II Preliminary, 156pb CDF Run II Preliminary, 156pb 2 2 B-Tagged Events / 15 B-Tagged Events / 15 10 10 CDF Data CDF Data QCD-multijet 2 2 10 10 QCD-multijet Top Top W/Z+jets,Diboson W/Z+jets,Diboson 10 10 10 10 1 1 1 1 0 0 50 50 100 100 150 150 200 200 250 250 0 0 50 50 100 100 150 150 200 200 250 250 Missing E [ GeV ] Missing E [ GeV ] T T ~ Gluino b b , 95% C.L. Cross Section Limit 1 ] -1 CDF Run II Preliminary, 156pb pb PROSPINO, NLO Cross Section [ 2 Q Scale Uncertainty 2 ~ 10 ( q ) = 500 GeV / 2 m c ~ ~ ( g , b ) = 60 / m GeV c 2 1 0 ( ) = 60 GeV / 2 m c 1 Excl. Single B-Tag 10 Incl. Double B-Tag 1 180 200 220 240 260 280 300 Mass of the Gluino [ GeV / ] c 2

  13. ~ -1 Gluino b b , 95% C.L. Exclusion Limit, 156 pb 1 ] CDF Run II Preliminary ~ ~ 2 280 BR( g b b )=100% c 1 / ( 0 )=60 GeV / GeV m c 2 1 260 ~ ( q ) = 500 GeV / 2 m c Sbottom mass [ 240 n e d d i b r o 220 f y l a l c i t a m e n i 200 ~ k b b 1 ~ g (incl. double tag) 180 (excl. single tag) 160 140 120 CDF Run I excluded 100 180 200 220 240 260 280 Gluino mass [ GeV / ] 2 c ~ Gluino b b , 95% C.L. Cross Section Limit 1 3.5 ] -1 CDF Run II Preliminary, 156pb pb ~ Cross Section [ Prospino CTEQ5M, Q=m( g ) 2 3 Q Scale Uncertainty ~ ( q ) = 500 GeV / 2 m c ~ ( g ) = 240 GeV / m c 2 ( 0 ) = 60 GeV / 2 2.5 m c 1 2 1.5 1 0.5 Excl. Single B-Tag Incl. Double B-Tag 0 140 160 180 200 220 240 Mass of the Sbottom [ GeV / ] 2 c

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