Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 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., 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., 7 Dec 2023, In: Physics Letters B. 848, 25 p., 138376.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data

    Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, Mogens, Hansen, Peter Henrik, Camplani, Alessandra, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Wiglesworth, Graig, Petersen, Troels Christian, Xella, Stefania & ATLAS Collaboration, A. C., 5 Feb 2023, In: Journal of Instrumentation. 2024, 19, 58 p., P02009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Measurement of the mass difference between top and anti-top quarks in pp collisions at root s=7 TeV using the ATLAS detector

    Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., 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 Jan 2014, In: Physics Letters B. 728, p. 363-379

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Measurement of the top quark pair production charge asymmetry in proton-proton collisions at 7 TeV using the ATLAS detector

    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., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W. & 3 others, Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 25 Feb 2014, In: Journal of High Energy Physics (Online). 2014, 177, 107.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for high-mass diphoton resonances in pp collisions at pffisffi root s=8 TeV with the ATLAS detector

    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., 14 Jul 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 92, 3, 032004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for Higgs bosons decaying to aa in the mu mu tau tau final state in pp collisions at root s=8 TeV with the ATLAS experiment

    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., 9 Sep 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 92, 5, 052002.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Measurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 2 Aug 2019, In: Journal of High Energy Physics (Online). 2019, 8, 47 p., 33.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. 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

  9. Published

    Observation of electroweak W(+/-)Z boson pair production in association with two jets in pp collisions at root s=13 TeV with the ATLAS detector

    ATLAS, A., 10 Jun 2019, In: Physics Letters B. 793, p. 469-492 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Measurement of the inclusive cross-section for the production of jets in association with a Z boson in proton-proton collisions at 8 TeV using the ATLAS detector

    ATLAS, A., 10 Oct 2019, In: European Physical Journal C. 79, 10, 47 p., 847.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582