Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 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

  2. Published

    Search for direct top squark pair production in events with a Higgs or Z boson, and missing transverse momentum in root s=13 TeV pp collisions with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Løvschall-Jensen, A. E. & 14 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Thiele, F. A. J., de Almeida Dias, F., Bajic, M., Barr, J., Arnold, H., Zhu, H. & Zwalinski, L., 1 Aug 2017, In: Journal of High Energy Physics. 2017, 8, 006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Search for direct top squark pair production in events with a Z boson, b-jets and missing transverse momentum in √s = 8 TeV pp collisions with the ATLAS detector

    Aad, G., 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., Petersen, T. C., Hansen, P. H., Xella, S., Thomsen, L. A., Pedersen, L. E., Galster, G. A. G. K., Wiglesworth, G. & 6 others, Monk, J. W., Løvschall-Jensen, A. E., Alonso Diaz, A., Pingel, A. M., Jørgensen, M. D. & Mehlhase, S., 3 Jun 2014, In: The European Physical Journal C: Particles and Fields. 74, 2883.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for direct top squark pair production in final states with two leptons in root s=13 TeV pp collisions with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Affolder, A. A., Dam, M. & 16 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Bajic, M., Thiele, F. A. J. & de Almeida Dias, F., 21 Dec 2017, In: European Physical Journal C. 77, 12, 898.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for direct top squark pair production in final states with two tau leptons in pp collisions at root s=8 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Acharya, B. S., Aielli, G., Ahlen, S. P., Adomeit, S., Adams, D. L., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H. & 9 others, Petersen, Troels Christian, Thomsen, L. A., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 16 Feb 2016, In: European Physical Journal C. 76, 2, 81.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for direct top-squark pair production in final states with two leptons in pp collisions at √s= 8TeV 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., Galster, G. A. G. K., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 19 Mar 2014, In: Journal of High Energy Physics (Online). 2014, 124, 66 p., 1406.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 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

  8. Published

    Search for displaced photons produced in exotic decays of the Higgs boson using 13 TeV pp collisions with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, Mogens, Camplani, Alessandra, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 21 Aug 2023, In: Physical Review D. 108, 3, 33 p., 032016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for displaced vertices arising from decays of new heavy particles in 7 TeV pp collisions at ATLAS

    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, 7 Feb 2012, In: Physics Letters B. 707, 5, p. 478-496 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in pp collisions at root s=13 TeV with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Alonso Diaz, A., Bajic, M., hqz214, H., Camplani, A., Dam, M., Hansen, P. H., Hansen, J. B., Hansen, J. D. & 8 others, Galster, G. A. G. K., Monk, J. W., Ignazzi, R., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Feb 2020, In: Physics Letters B. 801, 21 p., 135114.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582