Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher

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    ORCID: 0000-0002-0988-1655

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    1. Published

      Search for heavy long-lived multi-charged particles in pp collisions at root s=8 TeV using the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 8 Aug 2015, In: The European Physical Journal C: Particles and Fields. 75, 8, 362.

      Research output: Contribution to journal › Journal article › Research › peer-review

    2. Published

      Search for heavy long-lived charged particles with the ATLAS detector in pp collisions at root s=7 TeV

      Aad..[et al.], G., Abbott, B., Abdallah, J., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, John Renner, Hansen, Peter Henrik, Klinkby, E. B., Jørgensen, M. D., Petersen, Troels Christian, Xella, Stefania, Kittelmann, T. H. & Boelaert, N. M. P., 20 Sep 2011, In: Physics Letters B. 703, 4, p. 428-446

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      Search for heavy long-lived charged R-hadrons with the ATLAS detector in 3.2 fb(-1) of proton-proton collision data at root s=13 TeV

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 4 others, Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 10 Sep 2016, In: Physics Letters B. 760, p. 647-665

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      Search for heavy lepton resonances decaying to a Z boson and a lepton in pp collisions at root s=8 TeV with the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 16 Sep 2015, In: Journal of High Energy Physics (Online). 2015, 9, 108.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. 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 journal › Journal article › Research › peer-review

    6. 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 journal › Journal article › Research › peer-review

    7. 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 journal › Journal article › Research › peer-review

    8. Published

      Search for heavy ZZ resonances in the l(+) l(-) l(+) l(-) and l(+) l(-) nu(nu)over-bar final states using proton-proton collisions at root s=13 TeV with the ATLAS detector

      Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., Abouzeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y. & 18 others, Agatonovic-Jovin, T., Alonso Diaz, A., Dam, Mogens, Bajic, M., Besjes, G., de Almeida Dias, F., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig, Xella, Stefania, Galster, G. A. G. K., Ahlen, S. P. & Ahmadov, F., 11 Apr 2018, In: European Physical Journal C. 78, 4, 35 p., 293.

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. Published

      Search for heavy Majorana or Dirac neutrinos and right-handed W gauge bosons in final states with two charged leptons and two jets 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. & 26 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Akatsuka, S., Akesson, T. P. A., Akilli, E., 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., Ignazzi, R., Camplani, Alessandra & ATLAS, A., 3 Jan 2019, In: The Journal of High Energy Physics. 2019, 1, 45 p., 016.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      Search for heavy Majorana neutrinos with the ATLAS detector in pp collisions at root s=8 TeV

      Aad, A., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Abramowicz, H., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 29 Jul 2015, In: Journal of High Energy Physics (Online). 2015, 7, 162.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Published

      Search for heavy Higgs bosons with flavour-violating couplings in multi-lepton plus b-jets final states in pp collisions at 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., Abusleme Hoffman, A. C., 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., 12 Dec 2023, In: Journal of High Energy Physics. 2023, 12, 68 p., 81.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      Search for gluinos in events with two same-sign leptons, jets and missing transverse momentum with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

      Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Boelaert, N. M. P., Heisterkamp, S. J. F., Mehlhase, S., Jørgensen, M. D., Nilsson, B. S., Klinkby, E. B., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 15 Jun 2012, In: Physical Review Letters. 108, 24, p. 241802

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at root s=13 TeV with the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 4 others, Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 21 Oct 2016, In: European Physical Journal C. 76, 10, 565.

      Research output: Contribution to journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-review

    15. Published

      Search for flavour-changing neutral-current interactions of a top quark and a gluon in pp collisions at 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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Apr 2022, In: European Physical Journal C. 82, 4, 50 p., 334.

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      Search for flavour-changing neutral-current couplings between the top quark and the photon with the ATLAS detector at √s = 13 TeV

      Aad, G., Abbott, B., Abbott, D. C., Abud, AA., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. B., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS, A., 18 Aug 2023, In: Physics Letters B. 842, 22 p., 137379.

      Research output: Contribution to journal › Journal article › Research › peer-review

    17. Published

      Search for flavour-changing neutral tqH interactions with H → γγ in pp collisions at √s=13 TeV using the ATLAS detector

      Aad, G., 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., 28 Dec 2023, In: Journal of High Energy Physics. 2023, 12, 53 p., 195.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. 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 journal › Journal article › Research › peer-review

    19. Published

      Search for flavour-changing neutral current top-quark decays to q Z in pp collision data collected with the ATLAS detector at root s=8 TeV

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Acharya, B. S., Adamczyk, L., Adams, D. L., Adye, T., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C. & 8 others, Thomsen, L. A., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 8 Jan 2016, In: European Physical Journal C. 76, 1, 12.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Search for flavour-changing neutral current top-quark decays t -> qZ in proton-proton collisions at root s=13 TeV with the ATLAS detector

      Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., 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., Adye, T., Affolder, A. A., Afik, Y., Agheorghiesei, C. & 17 others, Aguilar-Saavedra, J. A., Ahmadov, F., Alonso Diaz, A., Besjes, G., Bajic, M., de Almeida Dias, F., Dam, Mogens, Galster, G. A. G. K., Hansen, Jørn Dines, Hansen, Jørgen Beck, Hansen, Peter Henrik, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 31 Jul 2018, In: The Journal of High Energy Physics. 2018, 7, 41 p., 176.

      Research output: Contribution to journal › Journal article › Research › peer-review

    21. Published

      Search for flavour-changing neutral current top quark decays t -> Hq in pp collisions at root s=8 TeV with the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 6 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 10 Dec 2015, In: Journal of High Energy Physics (Online). 2015, 12, 061.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Published

      Search for flavour-changing neutral current interactions of the top quark and the Higgs boson in events with a pair of τ -leptons 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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 23 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 6, 57 p., 155.

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. Published

      Search for flavor-changing neutral-current couplings between the top quark and the Z boson with proton-proton collisions at √s=13  TeV with the ATLAS detector

      Aad, G., Abbott, B., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, M., Camplani, A., Hansen, J. B., Hansen, J. D., Hansen, P. H., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS, A., 30 Aug 2023, In: Physical Review D. 108, 3, 34 p., 032019.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      Search for flavor-changing neutral currents in top quark decays t -> Hc and t -> Hu in multilepton final states 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., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., Affolder, A. A. & 18 others, Afik, Y., Agheorghiesei, C., Ahmadov, F., Alonso Diaz, A., Besjes, G., Bajic, M., Galster, G. A. G. K., Dam, Mogens, Hansen, Jørgen Beck, de Almeida Dias, F., Hansen, Peter Henrik, Hansen, Jørn Dines, Monk, J. W., Thiele, F. A. J., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 6 Aug 2018, In: Physical Review D. 98, 3, 25 p., 032002.

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Published

      Search for first generation scalar leptoquarks in pp collisions at sqrt(s) = 7 TeV with the ATLAS detecto

      Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, John Renner, Heisterkamp, S. J. F., Klinkby, E. B., Jørgensen, M. D., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania, Lundqvist, J. M. & Løvschall-Jensen, A. E., 23 Mar 2012, In: Physics Letters B. 711, 5, p. 442-455 13 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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