Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Searches for exclusive Higgs boson decays into D⁎γ and Z boson decays into D0γ and K0sγ in pp collisions at √s=13TeV with the ATLAS detector

    Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G. & 2 others, Xella, Stefania & ATLAS Collaboration, A. C., 3 Jun 2024, In: Physics Letters B. 855, 25 p., 138762.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. Published

    Searches for scalar leptoquarks and differential cross-section measurements in dilepton-dijet events in proton-proton collisions at a centre-of-mass energy of root s=13TeV with the ATLAS experiment

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Besjes, G-J., de Almeida Dias, F., Dam, M., Alonso Diaz, A., Bajic, M., Camplani, A., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D., Hansen, J. B. & 7 others, Ignazzi, R., Monk, J. W., hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 1 Sep 2019, In: European Physical Journal C. 79, 9, 45 p., 733.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Searches for scalar leptoquarks in pp collisions at root s=8TeV 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., Abulaiti, Y., Acharya, B. S., Adamczyk, L., Adams, D. L., Adye, T., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H. & 9 others, Petersen, Troels Christian, 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., 1 May 2016, In: European Physical Journal C. 76, 1, 5.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Searches for supersymmetry with the ATLAS detector using final states with two leptons and missing transverse momentum in proton–proton collisions

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 19 Mar 2012, In: Physics Letters B. 709, 3, p. 137-157 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Searches for the Z gamma decay mode of the Higgs boson and for new high-mass resonances 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., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J. P., Adye, T., Adersberger, M., 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., Thiele, F. A. J., de Almeida Dias, F. & Bajic, M., 17 Oct 2017, In: Journal of High Energy Physics. 2017, 10, 112.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Searches for third-generation scalar leptoquarks in root s=13 TeV pp collisions with the ATLAS detector

    ATLAS, A., 28 Jun 2019, In: Journal of High Energy Physics. 2019, 6, 48 p., 144.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Sensitivity of the SHiP experiment to Heavy Neutral Leptons

    Ahdida, C., Albanese, R., Alexandrov, A. V., Anokhina, A., Aoki, S., Arduini, G., Atkin, E., Azorskiy, N., Dos Santos, F. B., Bache, J. J., Bagulya, A., Baranov, A., Bardou, F., Barker, G. J., Battistin, M., Bay, A., Bayliss, V., Bencivenni, G., Ruchayskiy, O., Xella, S. & 1 others, SHIP collaboration, S. C., 9 Apr 2019, In: Journal of High Energy Physics. 2019, 4, 20 p., 077.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Sensitivity of the SHiP experiment to dark photons decaying to a pair of charged particles

    Ahdida, C., Akmete, A., Albanese, R., Alexandrov, A., Anokhina, A., Aoki, S., Arduini, G., Atkin, E., Azorskiy, N., Back, J. J., Bagulya, A., Baaltasar Dos Santos, F., Baranov, A., Bardou, F., Barker, G. J., Battistin, M., Bauche, J., Bay, A., Bayliss, M. B., Bencivenni, G. & 31 others, Berdnikov, A. Y., Berdnikov, Y. A., Bertani, M., Betancourt, C., Bezshyiko, Bezshyyko, O., Bick, D., Bieschke, S., Blanco, A., Boehm, J., Bogomilov, M., Boiarska, Bondarenko, K., Bonivento, W. M., Borburgh, J., Boyarsky, A., Brenner, R., Breton, D., Buescher, M., Buonaura, A., Buontempo, S., Cadeddu, S., Calcaterra, A., Calviani, M., Campanelli, M., Casolino, M., Lee, K. S., Ruchayskiy, Oleg, Tastet, J. L., Xella, Stefania & SHiP Collaboration, S. C., May 2021, In: European Physical Journal C. 81, 5, 17 p., 451.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Sensitivity of the SHiP experiment to light dark matter

    Ahdida, C., Akmete, A., Albanese, R., Alexandrov, A. V., Anokhina, A., Aoki, S., Ardini, E., Azorskiy, N., Back, J. J., Bagulya, A., Boiarska, I., Ruchayskiy, Oleg, Tastet, J., Xella, Stefania & SHIP collaboration, S. C., 20 Dec 2021, In: Journal of High Energy Physics (Online). 2021, 04, 32 p., 199.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Simultaneous measurements of the t(t)over-bar, W+W-, and Z/gamma* -> tau tau production cross-sections in pp collisions at root s=7 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., 6 Mar 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 91, 5, 052005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Single hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHC

    Aad, G., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, 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, 1 Mar 2013, In: European Physical Journal C. 73, 3, 2305.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Software Performance of the ATLAS Track Reconstruction for LHC Run 3

    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., 2 Apr 2024, In: Computing and Software for Big Science. 8, 32 p., 9.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Standalone vertex finding in the ATLAS muon spectrometer

    Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Galster, G. A. G. K., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M. & 5 others, Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 1 Feb 2014, In: Journal of Instrumentation. 9, P02001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Strong Constraints on Jet Quenching in Centrality-Dependent p + Pb Collisions at 5.02 TeV from ATLAS

    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, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 16 Aug 2023, In: Physical Review Letters. 131, 7, 21 p., 072301.

    Research output: Contribution to journalLetterResearchpeer-review

  23. Published

    Studies of Z gamma production in association with a high-mass dijet system in pp collisions at root s=8 TeV 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., Dam, M. & 16 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. & Bajic, M., 21 Jul 2017, In: Journal of High Energy Physics. 2017, 7, 107.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Studies of new Higgs boson interactions through nonresonant HH production in the b(b)over-barγγ final state 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., Acharya, B. S., Dam, Mogens, Camplani, Alessandra, Hansen, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 21 Jan 2024, In: Journal of High Energy Physics. 2024, 01, 48 p., 66.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Studies of the muon momentum calibration and performance of the ATLAS detector with pp collisions at √s = 13 TeV

    Aad, G., Abbott, B., Abeling, K., Abidi, S. H., Aboulhorma, A., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Adam Bourdarios, C., Adamczyk, L., Adamek, L., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G. & 2 others, Xella, Stefania & ATLAS, A., 1 Aug 2023, In: European Physical Journal C. 83, 8, 37 p., 686.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582