Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Study of the rare decays of B0 and B-0 mesons into muon pairs using data collected during 2015 and 2016 with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S., 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., Affolder, A. A., Afik, Y. & 20 others, Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Alonso Diaz, A., Besjes, G., de Almeida Dias, F., Dam, Mogens, hqz214, H., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Monk, J. W., Bajic, M., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Petersen, Troels Christian, Xella, Stefania & The ATLAS collaboration, T. A. C., 15 Apr 2019, In: Journal of High Energy Physics. 2019, 4, 47 p., 089.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Search for single production of vector-like quarks decaying into Wb in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 27 May 2019, In: Journal of High Energy Physics. 2019, 5, 56 p., 164.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Measurement of fiducial and differential W+W- production cross-sections at root s=13 TeV with the ATLAS detector

    ATLAS, A., 1 Oct 2019, In: European Physical Journal C. 79, 10, 34 p., 884.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Properties of jet fragmentation using charged particles measured with the ATLAS detector in pp collisions at root s=13 TeV

    ATLAS, A., 9 Sep 2019, In: Physical Review D. 100, 5, 38 p., 052011.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for long-lived particles in final states with displaced dimuon vertices in pp 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., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., Affolder, A. A. & 25 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Akatsuka, S., Akesson, T. P. A., Alonso Diaz, A., Besjes, G., Hansen, Peter Henrik, Dam, Mogens, de Almeida Dias, F., Bajic, M., Hansen, Jørgen Beck, Monk, J. W., Petersen, Troels Christian, hqz214, H., Galster, G. A. G. K., Hansen, Jørn Dines, Stark, S. H., Wiglesworth, Graig, Xella, Stefania, Camplani, Alessandra, Ignazzi, R. & ATLAS, A., 3 Jan 2019, In: Physical Review D. 99, 1, 32 p., 012001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Measurement of the W boson polarisation in t(t)over-bar events from pp collisions at root s = 8 TeV in the lepton + jets channel with ATLAS

    Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adams, D. L., Adelman, J., Adomeit, S., Adye, T., Affolder, A. A., Agatonovic-Jovin, T. & 20 others, Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., Aielli, G., Hansen, Jørgen Beck, Hansen, Peter Henrik, Monk, J. W., Alonso Diaz, A., Petersen, Troels Christian, Wiglesworth, Graig, Besjes, G., Bajic, M., Xella, Stefania, Galster, G. A. G. K., Hansen, Jørn Dines, Dam, Mogens, hqz214, H., Stark, S. H., de Almeida Dias, F. & ATLAS, A., 9 Jan 2019, In: European Physical Journal C. 79, 14 p., 19.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for chargino and neutralino production in final states with a Higgs boson and missing transverse momentum at root s=13 TeV with the ATLAS detector

    ATLAS, A., 30 Jul 2019, In: Physical Review D. 100, 1, 37 p., 012006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Correlated long-range mixed-harmonic fluctuations measured in pp, p plus Pb and low-multiplicity Pb plus Pb collisions with the ATLAS detector

    ATLAS, A., 10 Feb 2019, In: Physics Letters B. 789, p. 444-471

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for squarks and gluinos in final states with hadronically decaying tau-leptons, jets, and missing transverse momentum using pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 18 Jan 2019, In: Physical Review D. 99, 1, 34 p., 012009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Measurements of gluon-gluon fusion and vector-boson fusion Higgs boson production cross-sections in the H -> WW* -> e nu mu nu decay channel in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 10 Feb 2019, In: Physics Letters B. 789, p. 508-529 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Search for scalar resonances decaying into mu(+)mu(-) in events with and without b-tagged jets produced in proton-proton collisions at root s=13 TeV with the ATLAS detector

    ATLAS Collaboration, A. C., 19 Jul 2019, In: The Journal of High Energy Physics. 2019, 7, 41 p., 117.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Performance of top-quark and W-boson tagging with ATLAS in Run 2 of the LHC

    ATLAS, A., 30 Apr 2019, In: European Physical Journal C. 79, 54 p., 375.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Searches for third-generation scalar leptoquarks in root s=13 TeV pp collisions with the ATLAS detector

    ATLAS, A., 28 Jun 2019, In: Journal of High Energy Physics. 2019, 6, 48 p., 144.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions 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, J., 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, Hansen, Jørgen Beck, Hansen, Jørn Dines, Galster, G. A. G. K., Hansen, Peter Henrik, Monk, J. W., hqz214, H., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & The ATLAS collaboration, T. A. C., 5 Apr 2019, In: Journal of High Energy Physics. 2019, 4, 50 p., 048.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Dijet azimuthal correlations and conditional yields in pp and p plus Pb collisions ats root S-NN=5.02 TeV with the ATLAS detector

    ATLAS, A., 6 Sep 2019, In: Physical Review C. 100, 6, 24 p., 034903.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Measurement of ZZ production in the ll nu nu final state with the ATLAS detector in pp collisions at root s=13 TeV

    ATLAS, A., 9 Oct 2019, In: Journal of High Energy Physics (Online). 2019, 10, 48 p., 127.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb-1 of proton-proton collision data at root s=13 Te V

    Aaboud, M., Aad, G., Abbott, B., Abbott, DC., 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., Adamek, L., Adelman, J., Adersberger, M. & 23 others, Adiguzel, A., Adye, T., Affolder, A. A., Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Bajic, M., Hansen, Jørgen Beck, Hansen, Peter Henrik, de Almeida Dias, F., Galster, G. A. G. K., Besjes, G., Dam, Mogens, Wiglesworth, Graig, Stark, S. H., Petersen, Troels Christian, Hansen, Jørn Dines, Monk, J. W., hqz214, H., Alonso Diaz, A. & Xella, Stefania, 28 May 2019, In: Physical Review D. 99, 34 p., 092007.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Searches for scalar leptoquarks and differential cross-section measurements in dilepton-dijet events in proton-proton collisions at a centre-of-mass energy of root s=13TeV with the ATLAS experiment

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Besjes, G-J., de Almeida Dias, F., Dam, M., Alonso Diaz, A., Bajic, M., Camplani, A., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D., Hansen, J. B. & 7 others, Ignazzi, R., Monk, J. W., hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 1 Sep 2019, In: European Physical Journal C. 79, 9, 45 p., 733.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Search for heavy particles decaying into a top-quark pair in the fully hadronic final state in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 14 May 2019, In: Physical Review D. 99, 9, 38 p., 092004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

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

    ATLAS, A., 10 Mar 2019, In: Physics Letters B. 790, p. 22-34 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Search for Higgs boson pair production in the WW(*)WW(*) decay channel using ATLAS data recorded 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., hqz214, H., Dam, M., de Almeida Dias, F., Xella, S., Stark, S. H., Hansen, J. B., Wiglesworth, G., Alonso Diaz, A., Hansen, P. H., Besjes, G-J. & 7 others, Petersen, Troels Christian, Ignazzi, R., Galster, G. A. G. K., Camplani, Alessandra, Bajic, M., Monk, J. W. & Hansen, Jørn Dines, 21 May 2019, In: Journal of High Energy Physics. 2019, 5, 38 p., 124.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

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

    ATLAS, A., 15 Mar 2019, In: Physical Review D. 99, 5, 36 p., 052005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Measurement of prompt photon production in root s(NN)=8.16 TeV p Pb collisions with ATLAS

    Aaboud, M., Aad, G., Abbott, B., Abbott, DC., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Bajic, M., Besjes, G-J., Alonso Diaz, A., Camplani, A., Dam, M., de Almeida Dias, F., hqz214, H., Galster, G. A. G. K., Hansen, J. D., Hansen, P. H. & 8 others, Hansen, Jørgen Beck, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Xella, Stefania, Wiglesworth, Graig & ATLAS, A., 10 Sep 2019, In: Physics Letters B. 796, p. 230-252 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Search for heavy charged long-lived particles in proton-proton collisions at root s=13 TeV using an ionisation measurement with the ATLAS detector

    ATLAS, A., 10 Jan 2019, In: Physics Letters B. 788, p. 96-116 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Combinations of single-top-quark production cross-section measurements and vertical bar f(LV)V(tb)vertical bar determinations at root s=7 and 8 TeV with the ATLAS and CMS experiments

    ATLAS, A. & The CMS collaboration, T. C. C., 16 May 2019, In: Journal of High Energy Physics. 2019, 5, 81 p., 088.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582