Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.082001
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Funding
- DOE, USA
- NSF, USA
- CEA, France
- CNRS/IN2P3, France
- FASI, Russia
- RFBR, Russia
- CNPq, Brazil
- FAPERJ, Brazil
- FAPESP, Brazil
- FUNDUNESP, Brazil
- DAE, India
- DST, India
- Colciencias, Colombia
- CONACyT, Mexico
- KRF, Korea
- KOSEF, Korea
- CONICET, Argentina
- UBACyT, Argentina
- FOM (The Netherlands)
- STFC, United Kingdom
- Royal Society, United Kingdom
- MSMT, Czech Republic
- GACR, Czech Republic
- CRC Program
- NSERC (Canada)
- BMBF, Germany
- DFG, Germany
- SFI, Ireland
- Swedish Research Council (Sweden)
- CAS, China
- CNSF, China
- Science and Technology Facilities Council [ST/H00095X/2, PP/E000487/1, ST/J501074/1, ST/H00095X/1, ST/F007418/1, ST/I505756/1, ST/F00754X/1] Funding Source: researchfish
- ICREA Funding Source: Custom
- STFC [PP/E000487/1, ST/F00754X/1, ST/F007418/1, ST/H00095X/1, ST/J501074/1, ST/H00095X/2, ST/I505756/1] Funding Source: UKRI
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We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of 5: 3 fb(-1) of proton-antiproton collisions at root s = 1.96 TeV collected by the D0 Collaboration at the Fermilab Tevatron Collider. We set upper limits on the t'(t) over bar' production cross section that exclude at the 95% C. L. a t' quark that decays exclusively to W + jet with a mass below 285 GeV. We observe a small excess in the mu + jets channel which reduces the mass range excluded compared to the expected limit of 320 GeV in the absence of a signal.
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