Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Measurements of inclusive and differential fiducial cross-sections of t(t)over-bar production with additional heavy-flavour jets in proton-proton 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., Acharya, B. S., Adachi, S., Adam, L., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T. & 22 others, Affolder, A. A., Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Alonso Diaz, A., de Almeida Dias, F., Bajic, M., Besjes, G., Dam, Mogens, Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Monk, J. W., hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & The ATLAS collaboration, T. A. C., 4 Apr 2019, In: Journal of High Energy Physics. 2019, 4, 66 p., 046.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Measurement of the nuclear modification factor for inclusive jets in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector

    ATLAS, A., 10 Mar 2019, In: Physics Letters B. 790, p. 108-128 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Comparison of Fragmentation Functions for Jets Dominated by Light Quarks and Gluons from pp and Pb plus Pb Collisions in ATLAS

    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., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., Affolder, A. A. & 21 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Alonso Diaz, A., hqz214, H., Dam, Mogens, Bajic, M., Monk, J. W., Besjes, G., Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, de Almeida Dias, F., Petersen, Troels Christian, Xella, Stefania, Wiglesworth, Graig, Stark, S. H., Ignazzi, R., Camplani, Alessandra & ATLAS Collaboration, A. C., 22 Jul 2019, In: Physical Review Letters. 123, 4, 21 p., 042001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for top-quark decays t -> Hq with 36 fb(-1) of pp collision data 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., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., Affolder, A. A. & 24 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Akatsuka, S., Akesson, T. P. A., Akilli, E., de Almeida Dias, F., Besjes, G., Bajic, M., Dam, Mogens, Galster, G. A. G. K., Alonso Diaz, A., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Monk, J. W., hqz214, H., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 21 May 2019, In: The Journal of High Energy Physics. 2019, 5, 67 p., 123.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Measurement of the ratio of cross sections for inclusive isolated-photon production in pp collisions at root s=13 and 8 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., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., Affolder, A. A. & 21 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Alonso Diaz, A., Besjes, G., Bajic, M., de Almeida Dias, F., Dam, Mogens, hqz214, H., Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Monk, J. W., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & The ATLAS collaboration, T. A. C., 12 Apr 2019, In: Journal of High Energy Physics. 2019, 4, 47 p., 093.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for large missing transverse momentum in association with one top-quark in proton-proton collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 7 May 2019, In: Journal of High Energy Physics. 2019, 5, 50 p., 041.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for heavy long-lived multicharged particles in proton-proton collisions at root s=13 TeV using the ATLAS detector

    ATLAS, A., 14 Mar 2019, In: Physical Review D. 99, 5, 26 p., 052003.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for invisible Higgs boson decays in vector boson fusion at root s=13 TeV with the ATLAS detector

    ATLAS, A., 10 Jun 2019, In: Physics Letters B. 793, p. 499-519 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Measurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 2 Aug 2019, In: Journal of High Energy Physics (Online). 2019, 8, 47 p., 33.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Observation of Electroweak Production of a Same-Sign W Boson Pair in Association with Two Jets in pp Collisions root s=13 TeV with the ATLAS Detector

    ATLAS, A., 15 Oct 2019, In: Physical Review Letters. 123, 16, 21 p., 161801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Combination of Searches for Invisible Higgs Boson Decays with the ATLAS Experiment

    ATLAS, A., 13 Jun 2019, In: Physical Review Letters. 122, 23, 20 p., 231801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Measurement of the production cross section for a Higgs boson in association with a vector boson in the H -> WW* -> l nu l nu channel in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 10 Nov 2019, In: Physics Letters B. 798, 24 p., 134949.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Search for doubly charged scalar bosons decaying into same-sign W boson pairs with the ATLAS detector

    ATLAS, A., 23 Jan 2019, In: European Physical Journal C. 79, 1, 30 p., 58.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Search for four-top-quark production in the single-lepton and opposite-sign dilepton final states in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 26 Mar 2019, In: Physical Review D. 99, 5, 36 p., 052009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at root s=13 TeV

    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., Acharya, B. S., Adachi, S., Adam, L., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T. & 21 others, Affolder, A. A., Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Dam, Mogens, Stark, S. H., de Almeida Dias, F., Alonso Diaz, A., Galster, G. A. G. K., Besjes, G., Hansen, Jørgen Beck, Bajic, M., hqz214, H., Hansen, Jørn Dines, Hansen, Peter Henrik, Petersen, Troels Christian, Wiglesworth, Graig, Monk, J. W., Xella, Stefania & The ATLAS collaboration, T. A. C., 15 Apr 2019, In: Physical Review Letters. 122, 15, 151801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Search for long-lived neutral particles in pp collisions at root s=13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter

    ATLAS, A., 7 Jun 2019, In: European Physical Journal C. 79, 6, 31 p., 481.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Measurement of the t(t)over-barZ and t(t)over-barW cross sections in proton-proton collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 29 Apr 2019, In: Physical Review D. 99, 7, 38 p., 072009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Study of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at root s=8 TeV with the ATLAS detector

    ATLAS, A., 10 Mar 2019, In: Physics Letters B. 790, p. 595-614 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Search for pairs of highly collimated photon-jets in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 18 Jan 2019, In: Physical Review D. 99, 1, 29 p., 012008.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Measurements of top-quark pair differential and double-differential cross-sections in the l plus jets channel with pp collisions at root s=13 TeV using the ATLAS detector

    ATLAS, A., 1 Dec 2019, In: European Physical Journal C. 79, 12, 84 p., 1028.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Measurement of W-+/- boson production in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector

    ATLAS, A., 2 Nov 2019, In: European Physical Journal C. 79, 11, 32 p., 935.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Measurement of flow harmonics correlations with mean transverse momentum in lead-lead and proton-lead collisions at root s(NN)=5.02 TeV with the ATLAS detector

    ATLAS, A., 10 Dec 2019, In: European Physical Journal C. 79, 12, 29 p., 985.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Identification of boosted Higgs bosons decaying into b-quark pairs with the ATLAS detector at 13 TeV

    ATLAS, A., 1 Oct 2019, In: European Physical Journal C. 79, 10, 38 p., 836.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Search for a heavy charged boson in events with a charged lepton and missing transverse momentum from pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 23 Sep 2019, In: Physical Review D. 100, 5, 29 p., 052013.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Measurement of the cross-section and charge asymmetry of W bosons produced in proton-proton collisions at root s=8 TeV with the ATLAS detector

    ATLAS, A., 12 Sep 2019, In: European Physical Journal C. 79, 9, 25 p., 760.

    Research output: Contribution to journalJournal articleResearchpeer-review

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