Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.241803
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Funding
- DOE (USA)
- NSF (USA)
- CEA (France)
- CNRS/IN2P3 (France)
- FASI (Russia)
- Rosatom (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 (Canada)
- NSERC (Canada)
- BMBF (Germany)
- DFG (Germany)
- SFI (Ireland)
- Swedish Research Council (Sweden)
- CAS (China)
- CNSF (China)
- STFC [PP/E000487/1, ST/F00754X/1, ST/F007418/1, ST/I505756/1, ST/H00095X/2, ST/J501074/1, ST/H00095X/1] Funding Source: UKRI
- ICREA Funding Source: Custom
- 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, PP/D004284/1] Funding Source: researchfish
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We measure the cross section and the difference in rapidities between photons and charged leptons for inclusive W(-> l nu) + gamma production in e gamma and mu gamma final states. Using data corresponding to an integrated luminosity of 4.2 fb(-1) collected with the D0 detector at the Fermilab Tevatron Collider, the measured cross section times branching fraction for the process p (p) over bar -> W gamma + X -> l nu gamma + X and the distribution of the charge-signed photon-lepton rapidity difference are found to be in agreement with the standard model. These results provide the most stringent limits on anomalous WW gamma couplings for data from hadron colliders: -0.4 < Delta kappa(gamma) < 0.4 and -0.08 < lambda(gamma) < 0.07 at the 95% C.L.
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