Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2022
  2. Published

    Measurement of the polarisation of single top quarks and antiquarks produced in the t-channel at root s=13 TeV and bounds on the tWb dipole operator from the ATLAS experiment

    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, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 9 Nov 2022, In: Journal of High Energy Physics (Online). 2022, 11, 62 p., 40.

    Research output: Contribution to journalJournal articlepeer-review

  3. Published

    Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at root s=13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, DK., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., Dam, M., Camplani, A., Petersen, T. C., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Wiglesworth, G., Petersen, T. C., Xella, S. & 1 others, ATLAS, A., 3 Nov 2022, In: European Physical Journal C. 82, 11, 30 p., 988.

    Research output: Contribution to journalJournal articlepeer-review

  4. Published

    Search for Higgs boson pair production in the two bottom quarks plus two photons final state 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, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Wiglesworth, Graig, Petersen, Troels Christian, Xella, Stefania & ATLAS Collaboration, A. C., 6 Sep 2022, In: Physical Review D. 106, 5, 35 p., 052001.

    Research output: Contribution to journalJournal articlepeer-review

  5. Published

    Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at root s=13 TeV

    ATLAS Collaboration, A. C., 1 Sep 2022, In: Physical Review D. 106, 3, 28 p., 032005.

    Research output: Contribution to journalJournal articlepeer-review

  6. Published

    Direct constraint on the Higgs-charm coupling from a search for Higgs boson decays into charm quarks 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, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 18 Aug 2022, In: European Physical Journal C. 82, 42 p., 717.

    Research output: Contribution to journalJournal articlepeer-review

  7. Published

    Measurements of Higgs boson production cross-sections in the H ->tau+ tau- decay channel 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., 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., 18 Aug 2022, In: Journal of High Energy Physics (Online). 2022, 8, 81 p., 175.

    Research output: Contribution to journalJournal articlepeer-review

  8. Published

    Measurements of jet observables sensitive to b-quark fragmentation in (tt)over-bar events at the LHC with the ATLAS detector

    ATLAS Collaboration, A. C., 9 Aug 2022, In: Physical Review D. 106, 33 p., 032008.

    Research output: Contribution to journalJournal articlepeer-review

  9. Published

    Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb-1 of proton-proton data recorded by the ATLAS experiment

    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, Jørgen Beck, Hansen, Jørn Dines, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 8 Aug 2022, In: Journal of High Energy Physics (Online). 2022, 08, 66 p., 104.

    Research output: Contribution to journalJournal articlepeer-review

  10. Published

    Modelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment

    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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Petersen, Troels Christian, Ignazzi, R., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 5 Aug 2022, In: Journal of High Energy Physics (Online). 8, 61 p., 089.

    Research output: Contribution to journalJournal articlepeer-review

  11. Published

    Study of B-c(+) -> J/psi D-s(+) and B-c(+)-> J/psi D-s*(+)decays 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., Aboulhorma, A., Abramowicz, H., Abreu, H., Dam, Mogens, Camplani, Alessandra, Ignazzi, R., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 5 Aug 2022, In: Journal of High Energy Physics (Online). 2022, 8, 42 p., 087.

    Research output: Contribution to journalJournal articlepeer-review

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