Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in root s=13 TeV pp collisions using the ATLAS detector

    Aad, G., Aaboud, M., 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., Alonso Diaz, A., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, P. H., Hansen, J. B. & 9 others, Hansen, Jørn Dines, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania, Bajic, M. & ATLAS Collaboration, A. C., 14 Feb 2020, In: European Physical Journal C. 80, 2, 33 p., 123.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Search for flavour-changing neutral currents in processes with one top quark and a photon using 81 fb(-1) of pp collisions at root s=13 TeV with the ATLAS experiment

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Alonso Diaz, A., Bajic, M., Camplani, A., Dam, M., Galster, G. A. G. K., hqz214, H., Hansen, J. B., Hansen, P. H. & 7 others, Hansen, Jørn Dines, Monk, J. W., Ignazzi, R., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig & Xella, Stefania, 10 Jan 2020, In: Physics Letters B. 800, 21 p., 135082.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Search for heavy diboson resonances in semileptonic final states in pp collisions at root s=13 TeV with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Alonso Diaz, A., Bajic, M., hqz214, H., Camplani, A. & 12 others, Dam, Mogens, Ignazzi, R., Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 17 Dec 2020, In: European Physical Journal C. 80, 12, 41 p., 1165.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for heavy neutral Higgs bosons produced in association with b-quarks and decaying into b-quarks at root s=13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abdinov, O., Abud, AA., Abeling, K., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Alonso Diaz, A., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. D., Hansen, J. B. & 9 others, Hansen, Peter Henrik, Bajic, M., Ignazzi, R., Monk, J. W., Wiglesworth, Graig, Petersen, Troels Christian, Stark, S. H., Xella, Stefania & ATLAS Collaboration, A. C., 13 Aug 2020, In: Physical Review D. 102, 3, 31 p., 032004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for light long-lived neutral particles produced in pp collisions at root s=13 TeV and decaying into collimated leptons or light hadrons with the ATLAS detector

    Aad, G., Aaboud, M., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, R., Alonso Diaz, A., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D., Hansen, J. B., Monk, J. W., Ignazzi, R. & 6 others, hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 20 May 2020, In: European Physical Journal C. 80, 5, 29 p., 450.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for long-lived neutral particles produced in pp collisions at root s=13 TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer

    Aad, A., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, DK., Abidi, S. H., Abraham, NL., Abramowicz, H., AbouZeid, O. S. A., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, J. D., Hansen, P. H., Monk, J. W., Ignazzi, R., Petersen, T. C., Wiglesworth, G. & 3 others, hqz214, H., Xella, Stefania & ATLAS Collaboration, A. C., 30 Mar 2020, In: Physical Review D. 101, 5, 29 p., 052013.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for long-lived, massive particles in events with a displaced vertex and a muon with large impact parameter 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., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Alonso Diaz, A., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Ignazzi, R., Hansen, J. D. & 7 others, Hansen, Jørgen Beck, Hansen, Peter Henrik, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 14 Aug 2020, In: Physical Review D. 102, 3, 30 p., 032006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D. C., Abud, A. A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abraham, N., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adam, L., AbouZeid, O. S. A., Hansen, P. H., Petersen, T. C., Monk, J. W., Camplani, A., Stark, S. H. & 11 others, Ignazzi, R., Galster, G. A. G. K., Dam, Mogens, hqz214, H., Hansen, Jørgen Beck, Xella, Stefania, Hansen, Jørn Dines, Wiglesworth, Graig, Bajic, M., Alonso Diaz, A. & ATLAS Collaboration, A. C., 23 Jun 2020, In: Journal of High Energy Physics (Online). 2020, 11, 37 p., 005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using s \sqrt{s} s= 13 TeV proton-proton collisions recorded by ATLAS in Run 2 of the LHC

    Bajic, M., Alonso Diaz, A. & ATLAS Collaboration, A. C., 13 Aug 2020, In: Journal of High Energy Physics (Online). 2020, 10, 53 p., 062.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Search for new resonances in mass distributions of jet pairs using 139 fb(-1) of pp collisions at root s=13TeV with the ATLAS detector

    Aad, A., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Monk, J. W., Petersen, T. C., Stark, S. H. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 25 Apr 2020, In: Journal of High Energy Physics (Online). 2020, 3, 41 p., 145.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582