Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Evidence of off-shell Higgs boson production from ZZ leptonic decay channels and constraints on its total width with the ATLAS detector

    Aad, G., Abbott, B., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., 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, A., 5 Oct 2023, In: Physics Letters B. 846, 29 p., 138223.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Evidence of pair production of longitudinally polarised vector bosons and study of CP properties in ZZ → 4l events with the ATLAS detector at √s=13 TeV

    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., 15 Dec 2023, In: Journal of High Energy Physics. 2023, 12, 48 p., 107.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Exclusive dielectron production in ultraperipheral Pb+Pb collisions at √sNN = 5.02 TeV with ATLAS

    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, Jørn Dines, Hansen, Jørgen Beck, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 27 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 06, 42 p., 182.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Exclusive dimuon production in ultraperipheral Pb plus Pb collisions at root S-NN=5.02 TeV with ATLAS

    Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., Camplani, Alessandra, Dam, Mogens, Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Aug 2021, In: Physical Review C. 104, 2, 32 p., 024906.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Fast b-tagging at the high-level trigger of the ATLAS experiment in LHC Run 3

    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, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 10 Nov 2023, In: Journal of Instrumentation. 18, 11, 38 p., P11006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Fast simulation of muons produced at the SHiP experiment using Generative Adversarial Networks

    SHIP collaboration, S. C., 2 Nov 2019, In: Journal of Instrumentation. 14, 20 p., P11028.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Femtoscopy with identified charged pions in proton-lead collisions at root s(NN)=5.02 TeV with ATLAS

    Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adamczyk, L., Adams, D. L., Adelman, J. P., Adye, T., Affolder, A. A., Dam, M. & 15 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Thiele, F. A. J. & de Almeida Dias, F., 28 Dec 2017, In: Physical Review C. 96, 6, 064908.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in pp collisions at √s=8 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., 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., Pedersen, L. E., Wiglesworth, G. & 1 others, Galster, G. A. G. K., 14 Aug 2014, In: Physics Letters B. 738, p. 234-253

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Fiducial, total and differential cross-section measurements of t-channel single top-quark production in pp collisions at 8TeV using data collected by the ATLAS detector

    Aad, G., Aaboud, M., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adams, D. L., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H. & 15 others, Petersen, Troels Christian, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Stark, S. H., Besjes, G., Galster, G. A. G. K., Thiele, F. A. J., de Almeida Dias, F., Bajic, M., Barr, J., Arnold, H. & Zwalinski, L., 9 Aug 2017, In: European Physical Journal C. 77, 8, 531.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Flavor tagged time-dependent angular analysis of the Bs→J/ψΦ decay and extraction of ΔΓs and the weak phase Φs in ATLAS

    Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abdel Khalek, S., 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., Galster, G. A. G. K., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 7 Jul 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 052007.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Flow fluctuations in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector

    ATLAS, A., 1 Feb 2019, In: Nuclear Physics A. 982, p. 323-326

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Fluctuations of anisotropic flow in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abbott, DC., Abdinov, O., Abud, AA., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Camplani, A., hqz214, H., Alonso Diaz, A., Dam, M., Hansen, P. H., Galster, G. A. G. K., Ignazzi, R. & 8 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 9 Jan 2020, In: Journal of High Energy Physics (Online). 2020, 1, 59 p., 51.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Forward-backward correlations and charged-particle azimuthal distributions in pp interactions using the ATLAS detector

    Aad, G., Boelaert, N. M. P., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 11 Jul 2012, In: Journal of High Energy Physics (Online). 2012, 7, p. 019

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Further search for supersymmetry at root s=7 TeV in final states with jets, missing transverse momentum, and isolated leptons with the ATLAS detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian, Boelaert, N. M. P., Xella, Stefania & Løvschall-Jensen, A. E., 2 Nov 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 86, 9, p. 092002 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Hardware and firmware developments for the upgrade of the ATLAS Level-1 Central Trigger Processor

    Anders, G., Bertelsen, Henrik, Boisen, A., Childers, T., Dam, Mogens, Ellis, N., Farthouat, P., Ruiz, C. G., Ghibaudi, M., Gorini, B., Haas, S., Kaneda, M., Ohm, C., Silva Oliveira, M., Pauly, T., Poettgen, R., Schmieden, K., Spiwoks, R. & Xella, Stefania, 1 Jan 2014, In: Journal of Instrumentation. 9, C01035.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Heavy Ion Results from ATLAS

    Jiangyong, J., Aaboud, M., Aad, G., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Dam, M. & 16 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Hansen, Peter Henrik, Alonso Diaz, A., Besjes, G., Galster, G. A. G. K., Petersen, Troels Christian, Løvschall-Jensen, A. E., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Stark, S. H., Xella, Stefania, Thiele, F. A. J., de Almeida Dias, F. & Bajic, M., 10 Nov 2017, In: Nuclear Physics A. 967, p. 51-58

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Higgs boson production cross-section measurements and their EFT interpretation in the 4l decay channel 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., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Alonso Diaz, A., Bajic, M., Camplani, A., Dam, M. & 12 others, Galster, G. A. G. K., hqz214, H., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 16 Oct 2020, In: European Physical Journal C. 80, 10, 54 p., 957.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    High-ET isolated-photon plus jets production in pp collisions at root s=8 TeV with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H. & 15 others, Petersen, Troels Christian, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Thiele, F. A. J., de Almeida Dias, F., Bajic, M., Bold, T., Brock, I. & Calvete, D., 2 May 2017, In: Nuclear Physics B. 918, p. 257-316

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Higher level trigger systems for the HERA-B experiment

    Dam, Mogens, Hansen, Jørn Dines, Hansen, John Renner, Xella, Stefania & Dippel...[et al.], R., 1 Aug 1998, In: IEEE Transactions on Nuclear Science. 45, 4, Part 1, p. 1787-1792 5 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  20. Published

    Highlights from the ATLAS experiment

    ATLAS, A., 2 Feb 2019, In: Nuclear Physics A. 982, p. 8-14

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Hunt for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in 4.7 fb^-1 of sqrt(s) = 7 TeV proton-proton collisions

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Klinkby, E. B., Mehlhase, S., Jørgensen, M. D., Nilsson, B. S., Petersen, Troels Christian, Boelaert, N. M. P., Løvschall-Jensen, A. E. & Xella, Stefania, 4 Aug 2012, In: Journal of High Energy Physics (Online). 2012, 7, p. 167

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Identification and energy calibration of hadronically decaying tau leptons with the ATLAS experiment

    Pingel, A. M., Hansen, J. D., Hansen, J. B., Dam, M., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, G., Aad, G., Galster, G. A. G. K., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M. & 4 others, AbouZeid, O. S., Abramowicz, H., Abreu, H. & Abreu, R., 4 Apr 2016, In: Nuclear and Particle Physics Proceedings. 273, p. 1141-1146

    Research output: Contribution to journalConference articleResearchpeer-review

  23. Published

    Identification and energy calibration of hadronically decaying tau leptons with the ATLAS experiment in pp collisions at root s=8 TeV

    Aad, A., Abbott, B., Abdallah, J., Abdel-Khalek, S. A., 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., Løvschall-Jensen, A. E. & 5 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 2 Jul 2015, In: European Physical Journal C. 75, 7, 303.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Affolder, A. A. & 17 others, Dam, Mogens, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Bajic, M., Thiele, F. A. J. & de Almeida Dias, F., 26 Oct 2017, In: European Physical Journal C. 77, 9, 32 p., 580.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector ( vol 77,580, 2017)

    Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, R., Abreu, H., Abulaiti, Y., Acharya, B. S., Adye, T., Adachi, S., Adamczyk, L., Adelman, J. P., Dam, M., Hansen, J. D. & 15 others, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., de Almeida Dias, F., Thiele, F. A. J. & Bajic, M., 2 Sep 2017, In: European Physical Journal C. 77, 9, 580.

    Research output: Contribution to journalJournal articleResearchpeer-review

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