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Research

Dr Andre Sopczak

Formerly at Lancaster University

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  1. Published

    Search for the associated production of a b quark and a neutral supersymmetric Higgs boson which decays to tau pairs

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P. & Sopczak, A., 14/04/2010, In: Physical review letters. 104, 15, 7 p., 151801.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  2. Published

    Double parton interactions in photon+3 jet events in ppbar collisions sqrt{s}=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P. & Sopczak, A., 31/03/2010, In: Physical Review D. 81, 5, 15 p., 052012.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    Search for the Standard Model Higgs Boson in the ZH->vvbb Channel in 5.2 fb-1 of p-pbar Collisions at sqrt(s)=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P. & Sopczak, A., 18/02/2010, In: Physical review letters. 104, 7, 7 p., 071801.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. Published

    Determination of the strong coupling constant from the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P. & Sopczak, A., 29/12/2009, In: Physical Review D. 80, 11, 7 p., 111107(R) .

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. Published

    Direct measurement of the W boson width

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Rakitin, A., Love, P. & Sopczak, A., 4/12/2009, In: Physical review letters. 103, 23, 7 p., 231802.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    Measurement of the top quark mass in final states with two leptons

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 20/11/2009, In: Physical Review D. 80, 9, 20 p., 092006.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  7. Published

    Measurement of the t-channel single top quark production cross section

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 4/01/2010, In: Physics Letters B. 682, 4-5, p. 363-369 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    Measurement of Z/gamma*+jet+X angular distributions in ppbar collisions at sqrt{s}=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 4/01/2010, In: Physics Letters B. 682, 4-5, p. 370-380 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    Search for charged Higgs bosons in top quark decays

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Rakitin, A. & Sopczak, A., 7/12/2009, In: Physics Letters B. 682, 3, p. 278-286 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Measurement of dijet angular distributions at sqrt{s}=1.96TeV and searches for quark compositeness and extra spatial dimensions

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Rakitin, A., Love, P. & Sopczak, A., 5/11/2009, In: Physical review letters. 103, 19, 7 p., 191803.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    Combination of ttbar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons

    Collaboration, D., Abazov, V., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 19/10/2009, In: Physical Review D. 80, 7, 8 p., 071102(R) .

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    Direct measurement of the mass difference between top and antitop quarks

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 21/09/2009, In: Physical review letters. 103, 13, 7 p., 132001.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. Published

    Search for dark photons from supersymmetric hidden valleys

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 17/08/2009, In: Physical review letters. 103, 8, 7 p., 081802.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  14. Published

    Search for NMSSM Higgs bosons in the h->aa->mumu mumu, mumu tautau channels using ppbar collisions at sqrt{s}=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 3/08/2009, In: Physical review letters. 103, 6, 7 p., 061801.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Search for the standard model Higgs boson in tau final states

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 25/06/2009, In: Physical review letters. 102, 25, 7 p., 251801.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. Published

    Relative rates of B meson decays into psi(2S) and J/psi mesons

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Ratoff, P., Rakitin, A., Love, P. & Sopczak, A., 10/06/2009, In: Physical Review D. 79, 11, 7 p., 111102(R).

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  17. Published

    Measurements of differential cross sections of Z/gamma*+jets+X events in proton anti-proton collisions at sqrt{s}=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P. & Sopczak, A., 6/07/2009, In: Physics Letters B. 678, 1, p. 45-54 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    Search for charged Higgs bosons decaying to top and bottom quarks in ppbar collisions

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Ratoff, P., Love, P., Love, P., Rakitin, A. & Sopczak, A., 14/05/2009, In: Physical review letters. 102, 19, 7 p., 191802.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. Published

    Measurement of photon+b+X and photon+c+X production cross sections in ppbar collisions at sqrt(s)=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 12/05/2009, In: Physical review letters. 102, 19, 7 p., 192002.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. Published

    Search for charged massive long-lived particles with the D0 detector

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 22/04/2009, In: Physical review letters. 102, 16, 7 p., 161802.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  21. Published

    Evidence of WW+WZ production with lepton + jets final states in proton-antiproton collisions at sqrt(s)=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 21/04/2009, In: Physical review letters. 102, 16, 7 p., 161801.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    Search for the lightest scalar top quark in events with two leptons in ppbar collisions at sqrt(s)=1.96 TeV

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Ross, A., Rakitin, A. & Sopczak, A., 18/05/2009, In: Physics Letters B. 675, 3-4, p. 289-296

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    Search for anomalous top quark couplings with the D0 detector

    Collaboration, D., Abazov, V., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 4/03/2009, In: Physical review letters. 102, 9, 7 p., 092002.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  24. Published

    Evidence for the decay B_s^0 --> D_s^(*)D_s^(*) and a measurement of Delta_Gamma_s^CP/Gamma_s

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 3/03/2009, In: Physical review letters. 102, 9, 7 p., 091801.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    Measurement of the lifetime of the B_c meson in the semileptonic decay channel

    Collaboration, D., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., Rakitin, A. & Sopczak, A., 2/03/2009, In: Physical review letters. 102, 9, 7 p., 092001.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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