CDF II Exotics Group Public Page |
Published Run 2 Results
|
| Search | Result | Dataset | Publication | Date |
|---|---|---|---|---|
| Lepton + Photon + X (X = e, &mu, &gamma, Missing ET) | ll'&gamma: 74 (66.1 ± 7.7) events observed (expected) l&gamma MET: 163 (151 ± 13) events observed (expected) l&gamma&gamma: 0 (0.62 ± 0.15) events observed (expected) | 929 pb-1 | PRD 75, 112001 (2007) | 6/28/07 |
| Lepton + Photon + X (X = e, &mu, Missing ET) | ll&gamma: 42 (37.3 ± 5.4) events observed (expected) l&gamma MET: 31 (23.0 ± 2.7) events observed (expected) | 305 pb-1 |
PRL 97, 031801 (2006) | 7/17/06 |
| Search | Result | Dataset | Publication | Date |
|---|---|---|---|---|
| ee Channel (Z' and RS Graviton) | mZ' > 923 GeV (SM couplings) mgraviton > 807 GeV (k/MPl = 0.1) | 1.3 fb-1 | PRL 99, 171802 (2007) | 10/22/07 |
| &gamma&gamma Channel (RS Graviton) | mgraviton > 850 GeV (k/MPl = 0.1) | 1.2 fb-1 | PRL 99, 171801 (2007) | 10/22/07 |
| e&nu Channel (W') | mW' > 788 GeV (LRSM) | 205 pb-1 | PRD 75, 091101 (2007) | 5/1/07 |
| e&mu Channel (Z' and Sneutrino) | msneutrino > 300 GeV for &lambda'311 &ge 0.01
and &lambda132 &ge 0.02 mZ' > 700 GeV for LFV coupling Q12l = 0.1 (&eta model) |
344 pb-1 | PRL 96, 211802 (2006) | 5/30/06 |
| ee Channel (Z') | mZ' > 850 GeV (SM couplings) | 0.45 fb-1 | PRL 96, 211801 (2006) | 5/30/06 |
| ee and &mu&mu Channels
(Z', Graviton, Sneutrino, Techniparticle) | msneutrino > 680 (665) GeV for &lambda2Br = 0.01 in
ee (&mu &mu) channel mZ' > 825 GeV (SM couplings) m&rhoTC (&omegaTC) > 280 (270) GeV, MV = MA = 500 (400) GeV mgraviton > 710 GeV (k/MPl = 0.1) | 200 pb-1 | PRL 95, 252001 (2005) | 12/12/05 |
| &tau&tau Channel (Z' and Sneutrino) | mZ' > 399 GeV (SM couplings) msneutrino > 377 GeV for &lambda2Br = 0.01 | 195 pb-1 | PRL 95, 131801 (2005) | 9/21/05 |
| Search | Result | Dataset | Publication | Date |
|---|---|---|---|---|
| Squark and/or Gluino Production | ||||
| Stop and Sbottom in 2 b/c Jets + Missing ET | mstop > 132 GeV for mneutralino = 48 GeV msbottom > 193 for mneutralino = 40 GeV |
295 pb-1 |
PRD 76, 072010 (2007) | 10/25/07 |
| Gluino &rarr
sbottom + bottom in 4 b-jets + Missing ET | mgluino > 270 GeV for msbottom < 220 GeV and mgluino - msbottom > 6 GeV | 156 pb-1 | PRL 96, 171802 (2006) | 5/4/06 |
| Chargino + Neutralino Production | ||||
| High pT e l l and &mu l l Channels (l=e or &mu) | e l l: 0 (0.9 ± 0.1) events observed (expected) &mu l l: 1 (1.4 ± 0.3) events observed (expected) |
e l l: 1.0 fb-1 &mu l l: 0.7 fb-1 |
PRD 77, 052002 (2008) (arXiv:0711.3161) |
3/7/08 |
| Like-Sign Dilepton Channel (One High PT e or &mu) |
13 (7.8 ± 1.1) events observed (expected) | 1.0 fb-1 |
PRL 98, 221803 (2007) | 6/1/07 |
| Combination of Searches in 2 or 3 Leptons + Missing ET | mchargino > 129 GeV in the MSSM | 0.7 - 1.1 fb-1 | PRL 99, 191806 (2007)
Public note | 11/9/07 |
| GMSB | ||||
|
Long-Lived Neutralinos Decaying to &gamma G in the &gamma + Jet + Missing ET Channel |
mneutralino > 101 GeV for &tauneutralino = 5 ns | 570 pb-1 |
arXiv:0804.1043 (2008) PRL 99, 121801 (2007) |
4/7/08 |
|
Chargino + Neutralino Production in the &gamma &gamma + Missing ET Channel |
mchargino > 167 GeV (mneutralino > 93 GeV) |
202 pb-1 | PRD 71, 031104 (2005) | 2/18/05 |
| Rare Decays and Stable particles | ||||
|
Bs and Bd &rarr &mu &mu |
BR(Bs &rarr &mu &mu) < 5.8 x 10-8 BR(Bd &rarr &mu &mu) < 1.8 x 10-8 |
2 fb-1 |
PRL 100, 101802 (2008) | 3/14/08 |
|
Bs and Bd &rarr &mu &mu |
BR(Bs &rarr &mu &mu) < 2.0 x 10-7 BR(Bd &rarr &mu &mu) < 5.1 x 10-8 |
364 pb-1 |
PRL 95, 221805 (2005) | 11/23/05 |
|
Bs and Bd &rarr &mu &mu |
BR(Bs &rarr &mu &mu) < 7.5 x 10-7 BR(Bd &rarr &mu &mu) < 1.9 x 10-8 |
171 pb-1 |
PRL 93, 032001 (2004) | 7/13/04 |
| R-parity Violation | ||||
|
LSP Decay via &lambda121 and &lambda122 in the 3 or 4 Lepton Channel (e or &mu) |
mneutralino > 101 GeV, mchargino > 192 GeV | 346 pb-1 | PRL 98, 131804 (2007) | 3/30/07 |
| Search | Result | Dataset | Publication | Date |
|---|---|---|---|---|
| 2nd Generation Scalar LQ in Dimuon + Dijets and Muon + Missing ET + Dijets (Combination) |
mLQ > 226 GeV (&beta = 1) mLQ > 208 GeV (&beta = 0.5) mLQ > 143 GeV (&beta = 0.1) |
198 pb-1 | PRD 73, 051101 (2006) | 3/1/06 |
| 1st Generation Scalar LQ in Dielectron + Dijets and Electron + Missing ET + Dijets (Combination) |
mLQ > 236 GeV (&beta = 1) mLQ > 205 GeV (&beta = 0.5) mLQ > 145 GeV (&beta = 0.1) |
203 pb-1 | PRD 72, 051107 (2005) | 9/29/05 |
|
1st and 2nd Generation Scalar LQ in Dijets + Missing ET |
mLQ > 117 GeV (&beta = 0) |
191 pb-1 |
PRD 71, 112001 (2005) | 6/10/05 |
| Search | Result | Dataset | Publication | Date |
|---|---|---|---|---|
|
Large Extra Dimensions in
Jet + missing ET | M > 1.18 TeV (R < 0.35 mm) for n = 2; M > 0.83 (R < 3.4 x 10-11 mm) for n = 6 | 368 pb-1 | PRL 97, 171802 (2006) | 10/24/06 |
| Magnetic Monopoles | &sigma < 0.2 pb for mmonopole = 200 - 700 GeV | 36 pb-1 | PRL 96, 201801 (2006) | 5/26/06 |
| Search | Result | Dataset | Publication | Date |
|---|---|---|---|---|
| b' Quarks in the Z + Jets Channel | mb' > 268 GeV for Br(b' &rarr bZ) = 100% | 1.06 fb-1 | PRD 76, 072006 (2007) | 10/18/07 |
| Excited Muon in &mu&mu&gamma | m&mu* > 853 GeV (contact interaction model, &Lambda = m&mu*) m&mu* > 410 GeV (gauge-mediated model, f/&Lambda = 10-2 GeV-1) | 371 pb-1 | PRL 97, 191802 (2006) | 11/9/06 |
| Excited Electron in ee&gamma | me* > 879 GeV (contact interaction model, &Lambda = me*) me* > 430 GeV (gauge-mediated model, f/&Lambda = 10-2 GeV-1) | 202 pb-1 | PRL 94, 101802 (2005) | 3/16/05 |
Run I Exotics results |