Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2012
  2. Published

    Measurement of the cross-section for b-jets produced in association with a Z boson at sqrt(s)=7 TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 5 Jan 2012, In: Physics Letters B. 706, 4-5, p. 295-313 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Jørgensen, M. D., Heisterkamp, S. J. F., Boelaert, N. M. P., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 23 Apr 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 85, 7, p. 072004 39 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Measurement of the polarisation of W bosons produced with large transverse momentum in pp collisions at sqrt(s) = 7 TeV with the ATLAS experiment

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 23 May 2012, In: European Physical Journal C. 72, 5, p. 2001

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Measurement of the production cross section for Z/¿* in association with jets in pp collisions at vs=7¿¿TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 28 Feb 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 85, 3, p. 032009 42 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

    Aad, G., Boelaert, N. M. P., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 23 May 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 85, 9, p. 092014 30 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Measurement of the pseudorapidity and transverse momentum dependence of the elliptic flow of charged particles in lead-lead collisions at sqrt(s_NN) = 2.76 TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 1 Feb 2012, In: Physics Letters B. 707, 3-4, p. 330-348 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Measurement of the t-channel single top-quark production cross section in pp collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Boelaert, N. M. P., Jørgensen, M. D., Klinkby, E. B., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 31 Oct 2012, In: Physics Letters B. 717, 4-5, p. 330-350 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Measurement of the top quark mass with the template method in the top antitop -> lepton + jets channel using ATLAS data

    Aad, G., Boelaert, N. M. P., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 12 Jun 2012, In: European Physical Journal C. 72, p. 2046

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Measurement of the top quark pair cross section with ATLAS in pp collisions at root s=7 TeV using final states with an electron or a muon and a hadronically decaying tau lepton

    Aad, G., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Løvschall-Jensen, A. E., Boelaert, N. M. P., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Xella, Stefania & Petersen, Troels Christian, 22 Oct 2012, In: Physics Letters B. 717, 1-3, p. 89-108

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Heisterkamp, S. J. F., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 7 Feb 2012, In: Physics Letters B. 707, 5, p. 459-477 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, John Renner, Hansen, Peter Henrik, Hansen, Jørn Dines, Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania & Løvschall-Jensen, A. E., 15 May 2012, In: Physics Letters B. 711, 3-4, p. 244-263

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Measurement of the transverse momentum distribution of W bosons in pp collisions at vs=7¿¿TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Boelaert, N. M. P., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 18 Jan 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 85, 1, p. 012005 30 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Measurement of ttbar production with a veto on additional central jet activity in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

    Aad, G., Boelaert, N. M. P., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 20 Jun 2012, In: European Physical Journal C. 72, p. 2043

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Measurements of the electron and muon inclusive cross-sections in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 7 Feb 2012, In: Physics Letters B. 707, 5, p. 438-458 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Measurements of the pseudorapidity dependence of the total transverse energy in proton-proton collisions at root s=7 TeV with ATLAS

    Aad, G., Abajyan, T., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Løvschall-Jensen, A. E., Jørgensen, M. D., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian, Mehlhase, S., Boelaert, N. M. P. & Xella, Stefania, 1 Nov 2012, In: Journal of High Energy Physics (Online). 2012, 11, p. 033

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Observation of Spin Correlation in t(t)over-bar Events from pp Collisions at root s=7 TeV Using the ATLAS Detector

    Aad, G., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Løvschall-Jensen, A. E., Klinkby, E. B., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 24 May 2012, In: Physical Review Letters. 108, 21, p. 212001

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Observation of a New ¿b State in Radiative Transitions to ¿(1S) and ¿(2S) at ATLAS

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 9 Apr 2012, In: Physical Review Letters. 108, 15, p. 152001

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC

    Aad, G., Dam, Mogens, Hansen, Jørn Dines, Hansen, Jørgen Beck, Hansen, John Renner, Hansen, Peter Henrik, Klinkby, E. B., Boelaert, N. M. P., Jørgensen, M. D., Petersen, Troels Christian, Nilsson, B. S., Xella, Stefania, Heisterkamp, S. J. F., Mehlhase, S., Løvschall-Jensen, A. E. & ATLAS, A., 17 Sep 2012, In: Physics Letters B. 716, 1, p. 1-29 29 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Observation of spin correlation in ttbar events from pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

    Aad, G., Boelaert, N. M. P., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 24 May 2012, In: Physical Review Letters. 108, 21, p. 212001 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Performance of missing transverse momentum reconstruction in proton-proton collisions at 7 TeV with ATLAS

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Klinkby, E. B., Jørgensen, M. D., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 3 Jan 2012, In: European Physical Journal C. 72, p. 1844 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Performance of the ATLAS Trigger System in 2010

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Jørgensen, M. D., Heisterkamp, S. J. F., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Boelaert, N. M. P., Petersen, Troels Christian & Xella, Stefania, 3 Jan 2012, In: European Physical Journal C. 72, 1, p. 1849 49 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Rapidity gap cross sections measured with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 21 Mar 2012, In: European Physical Journal C. 72, 3, p. 1926

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in root s=7 TeV pp Collisions Using 4.7 fb-1 of ATLAS Data

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania & Løvschall-Jensen, A. E., 20 Nov 2012, In: Physical Review Letters. 109, 21, p. 211803 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Search for FCNC single top-quark production at sqrt(s) = 7 TeV with the ATLAS detector

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania & Løvschall-Jensen, A. E., 12 Jun 2012, In: Physics Letters B. 712, 4-5, p. 351-369

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Search for Magnetic Monopoles in root s=7 TeV pp Collisions with the ATLAS Detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania & Løvschall-Jensen, A. E., 27 Dec 2012, In: Physical Review Letters. 109, 26, p. 261803

    Research output: Contribution to journalJournal articleResearchpeer-review

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