Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2013
  2. Published

    Search for Dark Matter Candidates and Large Extra Dimensions in Events with a Photon and Missing Transverse Momentum in pp Collision Data at root s=7 TeV with the ATLAS Detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 3 Jan 2013, In: Physical Review Letters. 110, 1, 011802.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Search for WH production with a light Higgs boson decaying to prompt electron-jets in proton-proton collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 8 Apr 2013, In: New Journal of Physics. 15, 043009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for a heavy narrow resonance decaying to e mu, e tau, or mu tau with the ATLAS detector in root s=7 TeV pp collisions at the LHC

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 10 Jun 2013, In: Physics Letters B. 723, 1-3, p. 15-32

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for a light charged Higgs boson in the decay channel H+ -> c(s)over-bar in t(t)over-bar events using pp collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Jun 2013, In: European Physical Journal C. 73, 6, 2465.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for charged Higgs bosons through the violation of lepton universality in t(t)over-bar events using pp collision data at root s=7 TeV with the ATLAS experiment

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Mar 2013, In: Journal of High Energy Physics (Online). 2013, 3, 076.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for charginos nearly mass degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at root(s)=8 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Jørgensen, M. D., Løvschall-Jensen, A. E., Boelaert, N. M. P., Mehlhase, S., Heisterkamp, S. J. F., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 6 Dec 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 11, 112006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for contact interactions and large extra dimensions in dilepton events from pp collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 4 Jan 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 87, 1, 015010.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abadallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Apr 2013, In: Journal of High Energy Physics (Online). 2103, 4, UNSP 075.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Boelaert, N. M. P., Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Jan 2013, In: Journal of High Energy Physics (Online). 2013, 1, 131.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in root s=7 TeV pp collisions with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Boelaert, N. M. P., Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 8 Jan 2013, In: Physics Letters B. 718, 3, p. 841-859

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in root s=8 TeV pp collisions with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, A. S., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, John Renner, Hansen, Peter Henrik, Boelaert, N. M. P., Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Nilsson, B. S., Løvschall-Jensen, A. E., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 29 Oct 2013, In: Journal of High Energy Physics (Online). 2013, 10, 189.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Search for displaced muonic lepton jets from light Higgs boson decay in proton-proton collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 10 Apr 2013, In: Physics Letters B. 721, 1-3, p. 32-50

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Search for excited electrons and muons in root s=8 TeV proton-proton collisions with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 6 Sep 2013, In: New Journal of Physics. 15, 093011.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Search for extra dimensions in diphoton events from proton-proton collisions at root s=7 TeV in the ATLAS detector at the LHC

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 4 Apr 2013, In: New Journal of Physics. 15, 043007.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Search for light top squark pair production in final states with leptons and b-jets with the ATLAS detector in root s=7 TeV proton-proton collisions

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S., 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., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 13 Mar 2013, In: Physics Letters B. 720, 1-3, p. 13-31

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Search for long-lived stopped R-hadrons decaying out of time with pp collisions using the ATLAS detecto

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 3 Dec 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 11, p. 88 11 p., 112003.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Search for long-lived, heavy particles in final states with a muon and multi-track displaced vertex in proton-proton collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 26 Feb 2013, In: Physics Letters B. 719, 4-5, p. 280-298

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Search for long-lived, multi-charged particles in pp collisions at root s=7 TeV using the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, A. S., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 24 May 2013, In: Physics Letters B. 722, 4-5, p. 305-323

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Search for microscopic black holes in a like-sign dimuon final state using large track multiplicity with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Klinkby, E. B., Heisterkamp, S. J. F., Boelaert, N. M. P., Jørgensen, M. D., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Oct 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 7, 072001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Search for new phenomena in events with three charged leptons at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 4 Mar 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 87, 5, 052002.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Search for new phenomena in final states with large jet multiplicities and missing transverse momentum at root s=8 TeV proton-proton collisions using the ATLAS experiment

    Aad, G., Abajyan, T., Abbott, B., Dam, Mogens, Hansen, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, John Renner, Boelaert, N. M. P., Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 21 Oct 2013, In: Journal of High Energy Physics (Online). 2013, 10, 130.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Search for new phenomena in the WW -> vertical bar v vertical bar ' v ' final state in pp collisions at root s=7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 8 Jan 2013, In: Physics Letters B. 718, 3, p. 860-876

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Search for nonpointing photons in the diphoton and E-T(miss) final state in root s=7 TeV proton-proton collisions using the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., 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., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Jul 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 1, 012001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Search for pair-produced massive coloured scalars in four-jet final states with the ATLAS detector in proton-proton collisions at root s=7 TeV

    Aad, G., Abajyan, T., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Boelaert, N. M. P., Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Løvschall-Jensen, A. E., Petersen, Troels Christian & Xella, Stefania, 1 Jan 2013, In: The European Physical Journal C: Particles and Fields. 73, 1, 2263.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at root s=7 TeV

    Aad, G., Abajyan, T., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Boelaert, N. M. P., Løvschall-Jensen, A. E., Klinkby, E. B., Mehlhase, S., Jørgensen, M. D., Heisterkamp, S. J. F., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Jan 2013, In: Journal of High Energy Physics (Online). 2013, 1, 116.

    Research output: Contribution to journalJournal articleResearchpeer-review

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