Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    A search for heavy Higgs bosons decaying into vector bosons in same-sign two-lepton final states in 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, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 26 Jul 2023, In: Journal of High Energy Physics (Online). 2023, 07, 51 p., 200.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Measurement of muon pairs produced via γγ scattering in nonultraperipheral Pb + Pb collisions at √s NN = 5.02 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, A., 5 May 2023, In: Physical Review C. 107, 5, 42 p., 054907.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Combination of searches for invisible decays of the Higgs boson using 139 fb−1 of proton-proton collision data at √s = 13 TeV collected with the ATLAS experiment

    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, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Jul 2023, In: Physics Letters B. 842, 19 p., 137963.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for exclusive Higgs and Z boson decays to ωγ and Higgs boson decays to K*γ 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, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 10 Dec 2023, In: Physics Letters B. 847, 23 p., 138292.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Calibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 fb-1 of ATLAS proton–proton collision data at √s = 13 TeV

    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, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 14 Aug 2023, In: European Physical Journal C. 83, 30 p., 728.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for nonresonant pair production of Higgs bosons in the bb- bb- final state in pp collisions at √s=13  TeV 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, Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Xella, Stefania, Wiglesworth, Graig & ATLAS, A., 5 Sep 2023, In: Physical Review D. 108, 5, 38 p., 052003.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Strong Constraints on Jet Quenching in Centrality-Dependent p + Pb Collisions at 5.02 TeV from ATLAS

    Aad, G., Abbott, B., Abbott, DC., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 16 Aug 2023, In: Physical Review Letters. 131, 7, 21 p., 072301.

    Research output: Contribution to journalLetterResearchpeer-review

  8. Published

    Search for direct production of electroweakinos in final states with one lepton, jets and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., 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., 27 Dec 2023, In: Journal of High Energy Physics. 2023, 12, 63 p., 167.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., 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 Dec 2023, In: Physics Letters B. 848, 25 p., 138376.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data

    Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, Mogens, Hansen, Peter Henrik, Camplani, Alessandra, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Wiglesworth, Graig, Petersen, Troels Christian, Xella, Stefania & ATLAS Collaboration, A. C., 5 Feb 2023, In: Journal of Instrumentation. 2024, 19, 58 p., P02009.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582