Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 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

  2. 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

  3. Published

    Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector

    Aad, G., Abbott, B., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, Mogens, Camplani, Alessandra, Ignazzi, R., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 2023, In: Physical Review Letters. 131, 15, 22 p., 151902.

    Research output: Contribution to journalLetterResearchpeer-review

  4. Published

    Observation of an Excited Meson State with the ATLAS 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., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W. & 3 others, Pedersen, L. E., Galster, G. A. G. K. & Wiglesworth, Graig, 3 Jul 2014, In: Physical Review Letters. 113, 212004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Observation of electroweak W(+/-)Z boson pair production in association with two jets in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 10 Jun 2019, In: Physics Letters B. 793, p. 469-492 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Observation of electroweak production of two jets and a Z-boson pair

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Dam, M., Camplani, A., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R., Wiglesworth, G., Petersen, T. C., Xella, S. & 1 others, ATLAS, A., 9 Feb 2023, In: Nature Physics. 19, p. 237-253 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Observation of electroweak production of two jets in association with an isolated photon and missing transverse momentum, and search for a Higgs boson decaying into invisible particles at 13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Dam, Mogens, Camplani, Alessandra, Ignazzi, R., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 3 Feb 2022, In: European Physical Journal C. 82, 2, 41 p., 105.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Observation of four-top-quark production in the multilepton final state with the ATLAS detector

    Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Hansen, J. B., Hansen, P. H., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 12 Jun 2023, In: European Physical Journal C. 83, 6, 35 p., 496.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Observation of gauge boson joint-polarisation states in W±Z production from pp collisions at √s=13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Aug 2023, In: Physics Letters B. 843, 27 p., 137895.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Observation of photon-induced W+W- production in pp collisions at √s ​=13 TeV using the ATLAS detector

    Aad, G., Abbott, B., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Alonso Diaz, A., Camplani, A., Dam, M., Galster, G. A. G. K., hqz214, H., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R. & 6 others, Monk, J. W., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 4 Mar 2021, In: Physics Letters B. 816, 24 p., 136190.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582