CDF II Exotics Group Public Page



Please contact conveners in case of questions: Chris Hays and Ben Brau

Preliminary Run 2 Results
2008 results are highlighted in blue

(Published Run 2 Results can be found here)

Signature-based

Search Result Dataset Documentation Last Update
Global Search (Vista/Sleuth/Bump Hunter)
New physics not discovered in 2.0 fb-1
2.0 fb-1
Moriond proceedings
(arXiv:0805.0742)

2/28/08
Global Search (Vista + Sleuth)
New physics not discovered in 927 pb-1
927 pb-1
arXiv:0712.2534
arXiv:0712.1311
12/15/07
Diphoton + X
(X = e, &mu, &gamma, missing ET, &tau)
Observation consistent with SM expectation
1.0 - 2.0 fb-1
Public note
8/9/07
Lepton + Photon + b-jet + Missing ET
15 (14.3 ± 1.6) events observed (expected)
HT > 200 GeV, Njets > 2:
7 (3.6 ± 0.8) events observed (expected)
929 pb-1
Public note
7/19/07
Z Boson Production at High pTZ d&sigma/dpT < 10 fb/GeV for pT = 100 GeV 305 pb-1
Public note 8/17/06
Photon + Heavy Quark (b, c)
Cross sections as a function of &gamma ET 66.7 pb-1 N/A 11/7/03

(Publications)


High Mass Resonances (Z', W', Graviton, Sneutrino, Axigluon)

Search Result Dataset Documentation Last Update
Dijet Channel Excited quark exclusion m = 260 - 870 GeV
Color-octet technirho exclusion m = 260 - 1100 GeV
Axigluon, flavor-universal coloron exclusion m = 260 - 1250 GeV
E6 diquark exclusion m = 260 - 630 GeV
1.1 fb-1
Public note
3/19/08
ee Channel Most significant excess at mee &asymp 240 GeV (3.8&sigma)
mZ' > 966 GeV (SM couplings)
mgraviton > 850 GeV (k/MPl = 0.1)
2.5 fb-1
Public note 3/6/08
ZZ Channel (Graviton) &sigma× BF(G &rarr ZZ) <~ 4 pb for mgraviton = 500-800 GeV 1.1 fb-1
arXiv:0801.1129
1/7/08
tb Channel (W') mW' > 800 GeV for mW' > m&nuR
mW' > 825 GeV for mW' < m&nuR
1.9 fb-1
Public note
12/20/07
tt Channel (massive gluon) Limits on gluon coupling as a function of width
1.9 fb-1
Public note
12/13/06

(Publications)


SUSY

-
Search Result Dataset Documentation Last Update
Squark and/or Gluino Production
Squarks and Gluinos in Jets + Missing ET m > 392 GeV for m = msquark = mgluino
mgluino > 280 GeV for msquark up to 600 GeV
2.0 fb-1 Public note
2/14/08
Chargino + Neutralino Production
Unified Trilepton and Dilepton + Track
mchargino > 140 GeV (mSUGRA, m0=60, tan&beta=3, A0=0, &mu>0)
Trilepton: 1 (0.9 ± 0.1) events observed (expected)
Dilepton+Track: 6 (5.5 ± 1.0) events observed (expected)
2.0 fb-1 Public note 1/10/08
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
arXiv:0711.3161
11/20/07
Low pT &mu + &mu + l (l=e or &mu)
1 (0.4 ± 0.1) events observed (expected) 976 pb-1 N/A 9/14/06
Low pT ee+track
3 (1.0 ± 0.3) events observed (expected) 1.0 fb-1 Public note 8/24/06
R-parity Violation
Stop decay to b&tau
mstop > 153 GeV
322 pb-1
arXiv:0802.3887 2/26/08
Rare Decays and Stable particles
Long-Lived Stop Production
mstop > 250 GeV 1.0 fb-1 Public note 2/8/07

(Publications)


Flavor-Violating Couplings

Search Result Dataset Documentation Last Update
New scalars in same-sign tops
&xi < 0.85 (m&eta = 200 GeV) 2.0 fb-1   Public note
5/8/08


Leptoquarks

Search Result Dataset Documentation Last Update
LQ in Dijets + Missing Energy
mLQ > 177 GeV (&beta = 0, first or second generation)
mLQ > 167 GeV (&beta = 0, third generation)
2.0 fb-1   N/A 4/3/08
3rd generation Vector LQ in Ditau + Dijets
mLQ > 317 GeV (&beta = 1, Y-M couplings) 322 pb-1   arXiv:0706.2832 6/19/07

(Publications)


Extra Dimensions

Search Result Dataset Documentation Last Update
Combination Jet/Photon + missing ET
MD > 1.42 TeV for n = 2;
MD > 0.95 TeV for n = 6
1.1 - 2.0 fb-1
N/A
2/21/08
Photon + missing ET
MD > 1.08 TeV for n = 2;
MD > 0.90 TeV for n = 6
2.0 fb-1
N/A
2/21/08
Jet + missing ET
MD > 1.31 TeV (R < 0.28 mm) for n = 2;
MD > 0.88 TeV (R < 3.2 x 10-11 mm) for n = 6
1.1 fb-1
N/A
5/24/07

(Publications)


Technicolor

Search Result Dataset Documentation Last Update
&rhoT &rarr &piTW (W &rarr l&nu, &piT b-bbar) Exclusion region for m&rhoT from 180-250 GeV
(depending on m&piT)
1.9 fb-1
Public note 04/11/08

New or Excited Fermions

Search Result Dataset Documentation Last Update
t' in Lepton + Jets + Missing ET mt' > 284 GeV
2.3 fb-1
Public note
3/7/08
Right-Handed Quarks in Dileptons + X mQ > 295 GeV for mH = 120 GeV 1.2 fb-1
N/A
8/9/07
Long-Lived b' Quarks in the Z + X Channel mb' > 170 GeV for &taub' = 3 - 20 mm 163 pb-1 Public note 8/28/04

(Publications)


Papers & Talks


Chris Hays, Ben Brau
Last modified: Mon Nov 1 2007