Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Search for pair-production of vector-like quarks in pp collision events at √s=13 TeV with at least one leptonically decaying Z boson and a third-generation quark with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Camplani, Alessandra, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 10 Aug 2023, In: Physics Letters B. 843, 25 p., 138019.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. 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

  3. Published

    Search for pairs of muons with small displacements in pp collisions at √s = 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., Acharya, B. S., Dam, M., Camplani, A., Hansen, J. B., Hansen, P. H., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS, A., 10 Oct 2023, In: Physics Letters B. 846, 22 p., 138172.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for pairs of scalar leptoquarks decaying into quarks and electrons or muons in √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., Acharya, B. S., Adam, C., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. D., Hansen, J. B. & 8 others, Hansen, Peter Henrik, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 16 Oct 2020, In: Journal of High Energy Physics (Online). 2020, 10, 40 p., 112.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb-1 of pp collisions at √s = 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, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 13 Oct 2023, In: Journal of High Energy Physics. 2023, 10, 51 p., 079.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC

    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., Bajic, M., Alonso Diaz, A., Camplani, A., hqz214, H. & 13 others, Dam, Mogens, Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., de Almeida Dias, F., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 11 Jan 2021, In: European Physical Journal C. 81, 1, 29 p., 11.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for photonic signatures of gauge-mediated supersymmetry in 13 TeV pp collisions 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. & 19 others, Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., Aielli, G., Hansen, Jørn Dines, Hansen, Jørgen Beck, Dam, Mogens, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Alonso Diaz, A., Monk, J. W., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Bajic, M., Thiele, F. A. J. & de Almeida Dias, F., 22 May 2018, In: Physical Review D. 97, 9, 092006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for photonic signatures of gauge-mediated supersymmetry in 8 TeV pp collisions 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., 6 Oct 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 92, 7, 072001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for production of WW/WZ resonances decaying to a lepton, neutrino and jets in pp collisions at root s=8 TeV with the ATLAS detector

    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., 12 May 2015, In: The European Physical Journal C: Particles and Fields. 75, 5, 209.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Search for production of vector-like quark pairs and of four top quarks in the lepton-plus-jets final state in pp collisions at root 8=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., 20 Aug 2015, In: Journal of High Energy Physics (Online). 2015, 8, 105.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582