Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2013
  2. Published

    Search for resonant diboson production in the WW/WZ -> lvjj decay channels with the ATLAS detector at root s=7 TeV

    Aad, G., Abjyan, 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, 17 Jun 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 87, 11, 112006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Search for single b*-quark production with the ATLAS detector at root s=7 TeV

    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., Mehlhase, S., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 25 Apr 2013, In: Physics Letters B. 721, 4-5, p. 171-189

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using 4:7 fb(-1) of root s=7 TeV proton-proton collision data

    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, 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 87, 1, 012008.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for supersymmetry in events with photons, bottom quarks, and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Adballah, J., Khalek, S. A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, 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. 261-279

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for t(t)over-bar resonances in the lepton plus jets final state with ATLAS using 4.7 fb(-1) of pp collisions at root s=7 TeV

    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., Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Mehlhase, S., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 23 Jul 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 1, 012004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for the neutral Higgs bosons of the minimal supersymmetric standard model 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, 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 Feb 2013, In: Journal of High Energy Physics (Online). 2013, 2, 095.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for third generation scalar leptoquarks 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, 15 Jun 2013, In: Journal of High Energy Physics (Online). 2013, 6, 033.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV

    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., Klinkby, E. B., Løvschall-Jensen, A. E., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 26 Mar 2013, In: Physics Letters B. 720, 4-5, p. 277-308

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Single hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHC

    Aad, G., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Løvschall-Jensen, A. E., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 1 Mar 2013, In: European Physical Journal C. 73, 3, 2305.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Triggers for displaced decays of long-lived neutral particles in 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: Journal of Instrumentation. 8, P07015.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    An upgraded ATLAS Central Trigger for post-2014 LHC luminosities

    Anders, G., Berge, D., Bertelsen, Henrik, Childers, T., Dam, Mogens, Dobson, E., Ellis, N., Farthouat, P., Gabaldon, C., Gorini, B., Haas, S., Kaneda, M., Maettig, S., Messina, A., Ohm, C., Pauly, T., Poettgen, R., Spiwoks, R., Wengler, T. & Xella, Stefania, 1 Feb 2013, In: Journal of Instrumentation. 8, C02031.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    The upgrade of the ATLAS Level-1 Central Trigger Processor

    Anders, G., Berge, D., Bertelsen, P. H., Dam, Mogens, Dobson, E., Ellis, N., Farthoual, P., Gabaldon, C., Ghibaudi, M., Gorini, B., Haas, S., Kaneda, M., Maettig, S., Messina, A., Ohm, C., Pauly, T. & Xella, Stefania, 30 Jan 2013, In: Journal of Instrumentation. 8, C01049.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. 2014
  15. Published

    Measurement of the mass difference between top and anti-top quarks in pp collisions at root s=7 TeV using the ATLAS detector

    Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 20 Jan 2014, In: Physics Letters B. 728, p. 363-379

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Search for Dark Matter in Events with a Hadronically Decaying W or Z Boson and Missing Transverse Momentum in pp Collisions at root s=8 TeV with the ATLAS Detector

    Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Galster, G. A. G. K., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D. & 6 others, Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 29 Jan 2014, In: Physical Review Letters. 112, 4, 041802.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. 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 (vol 10, pg 130, 2013)

    Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 21 Jan 2014, In: Journal of High Energy Physics (Online). 2014, 1, 109.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Search for new phenomena in photon plus jet events collected in proton-proton collisions at root s=8 TeV with the ATLAS detector

    Aad, A., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Abramowicz, H., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 20 Jan 2014, In: Physics Letters B. 728, p. 562-578

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Standalone vertex finding in the ATLAS muon spectrometer

    Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Galster, G. A. G. K., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 5 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 1 Feb 2014, In: Journal of Instrumentation. 9, P02001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    A measurement of the ratio of the production cross sections for W and Z bosons in association with jets with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, G. & 1 others, Galster, G. A. G. K., 27 Aug 2014, In: The European Physical Journal C: Particles and Fields. 74, 3168.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    A neural network clustering algorithm for the ATLAS silicon pixel detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Galster, G. A. G. K., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 30 Jun 2014, In: Journal of Instrumentation. 9, P09009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Comprehensive measurements of t-channel single top-quark production cross sections at √s=7 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Dam, M., Hansen, J. B., Hansen, J. D., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Galster, G. A. G. K., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 30 Jun 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 112006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Electron and photon energy calibration with the ATLAS detector using LHC Run 1 data

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, G. & 1 others, Galster, G. A. G. K., 18 Jul 2014, In: The European Physical Journal C: Particles and Fields. 74, 3071.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Electron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton-proton collision data

    Aad, G., Abbott, B., Abdallah, J., Abdelhalim, A. A., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Galster, G. A. G. K., Pingel, A. M. & 5 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 8 Apr 2014, In: The European Physical Journal C: Particles and Fields. 74, p. 1-38 38 p., 2941.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Evidence for Electroweak Production of W±W±jj in pp Collisions at √s=8 TeV with the ATLAS Detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 4 others, Galster, G. A. G. K., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 23 May 2014, In: Physical Review Letters. 113, 19 p., 141803.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in pp collisions at √s=8 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, G. & 1 others, Galster, G. A. G. K., 14 Aug 2014, In: Physics Letters B. 738, p. 234-253

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Flavor tagged time-dependent angular analysis of the Bs→J/ψΦ decay and extraction of ΔΓs and the weak phase Φs in ATLAS

    Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abdel Khalek, S., Aben, R., Abi, B., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Galster, G. A. G. K., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 7 Jul 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 052007.

    Research output: Contribution to journalJournal articleResearchpeer-review

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