Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2022
  2. Published

    Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb(-1) of pp collision data at root s=13 TeV

    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, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 8 Mar 2022, In: Journal of High Energy Physics (Online). 2022, 3, 64 p., 041.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    The ATLAS inner detector trigger performance in pp collisions at 13 TeV during LHC Run 2

    Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 8 Mar 2022, In: European Physical Journal C. 82, 3, 57 p., 206.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S. A., Abramowicz, H., Abreu, H., Abreu, R., Dam, Mogens, Hansen, Peter Henrik, Ignazzi, R., Hansen, Jørgen Beck, Hansen, Jørn Dines, Petersen, Troels Christian, Xella, Stefania, Camplani, Alessandra, Wiglesworth, Graig & ATLAS Collaboration, A. C., 19 Feb 2022, In: European Physical Journal C. 82, 15 p., 70.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for resonant pair production of Higgs bosons in the bb ̄bb ̄final state using pp collisions at √s = 13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 15 Feb 2022, In: Physical Review D. 105, 9, 36 p., 092002.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 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

  7. Published

    Measurement of the c-jet mistagging efficiency in t(t)over-bar events using pp collision data at root s=13 TeV collected 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., 31 Jan 2022, In: European Physical Journal C. 82, 1, 27 p., 95.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for exotic decays of the Higgs boson into b(b)over-bar and missing transverse momentum in pp collisions at root s=13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & Alice Collaboration, A. C., 13 Jan 2022, In: Journal of High Energy Physics (Online). 2022, 38 p., 063.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for Higgs boson decays into a pair of pseudoscalar particles in the bb mu mu final state with the ATLAS detector in pp collisions at root s=13 TeV

    Aad, G., Abbott, B., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 11 Jan 2022, In: Physical Review D. 105, 1, 29 p., 012006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Search for Higgs boson decays into a pair of pseudoscalar particles in the bbμμ final state with the ATLAS detector in pp collisions at √s ​=13  TeV

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Dam, M., Camplani, A., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 11 Jan 2022, In: Physical Review D. 105, 29 p., 012006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Search for heavy particles in the b-tagged dijet mass distribution with additional b-tagged jets in proton-proton collisions at p root s=13 TeV with the ATLAS experiment

    Aad, G., Abbott, B., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 7 Jan 2022, In: Physical Review D. 105, 1, 22 p., 012001.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582