Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Searches for exclusive Higgs and Z boson decays into J/psi gamma, psi (2S) gamma, and Upsilon(nS) gamma 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., Aguilar-Saavedra, J. A., Alonso Diaz, A., Bajic, M., Besjes, G., Dam, Mogens, de Almeida Dias, F., Galster, G. A. G. K., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 10 Nov 2018, In: Physics Letters B. 786, p. 134-155 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Searches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb-1 of ATLAS √s = 13 TeV proton–proton collision data

    Aad, G., Abbott, B., Abbott, DC., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS, A., 5 Sep 2023, In: European Physical Journal C. 83, 9, 33 p., 781.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Searches for heavy ZZ and ZW resonances in the llqq and vvqq final states in pp 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. & 19 others, Agatonovic-Jovin, T., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahlen, S. P., Besjes, G., Alonso Diaz, A., Bajic, M., de Almeida Dias, F., Galster, G. A. G. K., Hansen, Peter Henrik, Dam, Mogens, Monk, J. W., Thiele, F. A. J., Hansen, Jørn Dines, Stark, S. H., Hansen, Jørgen Beck, Petersen, Troels Christian, Wiglesworth, Graig & Xella, Stefania, 5 Mar 2018, In: Journal of High Energy Physics. 2018, 3, 53 p., 009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Searches for heavy diboson resonances in pp collisions at root S=13 TeV with the ATLAS detector

    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., 29 Sep 2016, In: Journal of High Energy Physics (Online). 2016, 9, 173.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at root s=8 TeV

    Aad, G., 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., 14 Jan 2015, In: Journal of High Energy Physics (Online). 2015, 1, 068.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 TeV

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., 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., Galster, G. A. G. K., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 25 Nov 2014, In: Journal of High Energy Physics (Online). 2014, 068, p. 01

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV

    Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Løvschall-Jensen, A. E., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 26 Mar 2013, In: Physics Letters B. 720, 4-5, p. 277-308

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Searches for lepton-flavour-violating decays of the Higgs boson in root s=13 TeV pp collisions 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., Alonso Diaz, A., Bajic, M., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D. & 8 others, Hansen, Jørgen Beck, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Jan 2020, In: Physics Letters B. 800, 23 p., 135069.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Searches for lepton-flavour-violating decays of the Higgs boson into eτ and μτ in √s = 13 TeV pp collisions with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Ignazzi, R., Hansen, J. B., Hansen, J. D., Hansen, P. H., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS, A., 21 Jul 2023, In: Journal of High Energy Physics (Online). 2023, 07, 74 p., 166.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Searches for new phenomena in events with two leptons, jets, and missing transverse momentum in 139 fb-1 of √s=13 TeV pp collisions with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 19 Jun 2023, In: European Physical Journal C. 83, 6, 52 p., 515.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582