Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2020
  2. Published

    Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using s \sqrt{s} s= 13 TeV proton-proton collisions recorded by ATLAS in Run 2 of the LHC

    Bajic, M., Alonso Diaz, A. & ATLAS Collaboration, A. C., 13 Aug 2020, In: Journal of High Energy Physics (Online). 2020, 10, 53 p., 062.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 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

  4. Published

    Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton - proton collisions at root s=13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adachi, S., Adam, L., Camplani, A., Dam, M., hqz214, H., Hansen, J. D. & 10 others, Hansen, Jørgen Beck, Hansen, Peter Henrik, Galster, G. A. G. K., Ignazzi, R., Petersen, Troels Christian, Monk, J. W., Wiglesworth, Graig, Stark, S. H., Xella, Stefania & ATLAS Collaboration, A. C., 17 Dec 2020, In: Physical Review D. 102, 11, 27 p., 112008.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb(-1) of data collected 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, R., Alonso Diaz, A., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Hansen, J. B., Galster, G. A. G. K., Monk, J. W., hqz214, H. & 6 others, Ignazzi, R., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 4 Jun 2020, In: Journal of High Energy Physics. 2020, 6, 44 p., 046.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for top squarks in events with a Higgs or Z boson using 139 fb-1 pp collision data at √s =13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adam, L., Bourdarios, CA., Adamczyk, L., Adamek, L., Alonso Diaz, A., Bajic, M. & 14 others, Camplani, Alessandra, Dam, Mogens, hqz214, H., Galster, G. A. G. K., 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., 23 Nov 2020, In: European Physical Journal C. 80, 11, 33 p., 1080.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for tt‾ resonances in fully hadronic final states in pp collisions at √s = 13 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adam, L., Adamczyk, L., Adelman, J., Alonso Diaz, A., Bajic, M., Camplani, A. & 13 others, Dam, Mogens, Galster, G. A. G. K., hqz214, H., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Stark, S. H., Monk, J. W., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 9 Oct 2020, In: The Journal of High Energy Physics. 2020, 10, 40 p., 061.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Searches for electroweak production of supersymmetric particles with compressed mass spectra 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., Acharya, B. S., Alonso Diaz, A., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, J. D. & 8 others, Hansen, Peter Henrik, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 11 Mar 2020, In: Physical Review D. 101, 5, 46 p., 052005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 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

  10. Published

    Test of CP invariance in vector-boson fusion production of the Higgs boson in the H -> tau tau channel in proton-proton collisions at root s=13TeV 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., Dam, M., Alonso Diaz, A., Galster, G. A. G. K., Hansen, J. D., hqz214, H., Hansen, P. H., Hansen, J. B., Ignazzi, R. & 7 others, Camplani, Alessandra, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Jun 2020, In: Physics Letters B. 805, 25 p., 135426.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Z boson production in Pb+Pb collisions at√sNN ​= 5.02 TeV measured by the ATLAS experiment

    Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adachi, S., Adam, L., Bajic, M., Camplani, A., Dam, M., hqz214, H. & 11 others, Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Mar 2020, In: Physics Letters B. 802, 23 p., 135262.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector

    Aad, G., Abbott, B., Abbott, D. C., Abud, A. A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abraham, N., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adam, L., AbouZeid, O. S. A., Hansen, P. H., Petersen, T. C., Monk, J. W., Camplani, A., Stark, S. H. & 11 others, Ignazzi, R., Galster, G. A. G. K., Dam, Mogens, hqz214, H., Hansen, Jørgen Beck, Xella, Stefania, Hansen, Jørn Dines, Wiglesworth, Graig, Bajic, M., Alonso Diaz, A. & ATLAS Collaboration, A. C., 23 Jun 2020, In: Journal of High Energy Physics (Online). 2020, 11, 37 p., 005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target

    Ahdida, C., Akmete, A., Albanser, R., Alexandrov, A. V., Anokhina, A., Aoki, S., Arduini, G., Atkin, E., Azorsky, N., Back, J. J., Bagulya, A., Boiarska, I., Ruchayskiy, Oleg, Tastet, J., Xella, Stefania & SHIP collaboration, S. C., 29 Apr 2020, In: European Physical Journal C. 80, 3, 11 p., 284.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    The magnet of the scattering and neutrino detector for the SHiP experiment at CERN

    Ahdida, C., Albanser, R., Alexandrov, A. V., Anokhina, A., Aoki, S., Arduini, G., Atkin, E., Azorskiy, N., Back, J., Bagulya, A., Ruchayskiy, Oleg, Tastet, J., Xella, Stefania & SHIP collaboration, S. C., 23 Jan 2020, In: Journal of Instrumentation. 15, 1, 26 p., P01027.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    The ABC130 barrel module prototyping programme for the ATLAS strip tracker

    Poley, L., Sawyer, C., Addepalli, S., Affolder, A. A., Allongue, B., Allport, P., Anderssen, E., Anghinolfi, F., Arguin, J-F., Arling, J-H., Arnaez, O., Asbah, N. A., Ashby, J., Asimakopoulou, E. M., Atlay, N. B., Bartsch, L., Basso, M. J., Beacham, J., Beaupre, S. L., Beck, G. & 229 others, Beichert, C., Bergsten, L., Bernabeu, J., Bhattarai, P., Bloch, T., Blue, A. J., Bochenek, M., Botte, J., Boynton, L., Brenner, R., Brueers, B., Buchanan, E., Bullard, B., Capocasa, F., Carr, A. M., Carra, S., Chao, C. W., Chen, J., Chen, L., Chen, Y., Chen, X., Cindro, Ciocio, A., Civera, J., Cormier, K., Cornell, E., Crick, B., Dabrowski, W., Dam, Mogens, David, C., Demontigny, G., Dette, K., DeWitt, J., Diez, S., Doherty, F., Dopke, J., Dressnandt, N., Edwards, S., Fadeyev, Farrington, S., Fawcett, W., Fernandez-Tejero, J., Filmer, E., Fleta, C., Gallop, B., Galloway, Z., Argos, C. G., Garg, D., Gignac, M., Gillberg, D., Giovinazzo, D., Glover, J., Goettlicher, P., Gonella, L., Gorisek, A., Grant, C., Grant, F., Gray, C., Greenall, A., Gregor, I., Greig, G., Grillo, A. A., Gu, S., Guescini, F., da Costa, J. B. G., Gunnell, J., Gupta, R., Haber, C., Halgheri, A., Hamersly, D., Haugen, T. E., Hauser, M., Heim, S., Heim, T., Helling, C., Herde, H., Hessey, N. P., Hommels, B., Hoenig, J. C., Hunter, A., Jackson, P., Jewkes, K., John, J. J., Johnson, T. A., Jones, T., Kachiguin, S., Kang, N., Kaplon, J., Kareem, M., Keener, P., Keller, J., Key-Charriere, M., Kilani, S., Kisliuk, D., Klein, C. T., Koffas, T., Kramberger, G., Krizka, K., Kroll, J., Kuehn, S., Kurth, M., Labitan, C., Lacasta, C., Lacker, H., Leon, P., Li, B., Li, C., Li, Y., Li, Z., Liang, Z., Liberatore, M., Lister, A., Liu, K., Liu, P., Lohse, T., Loenker, J., Lou, X., Lu, W., Luce, Z., Lynn, D., MacFadyen, R., Maegdefessel, S., Mahboubi, K., Malik, U., Mandic, V., La Marra, D., Martin, J., Martinez-Mckinney, F., Mikestikova, M., Mikuz, M., Mitra, A., Mladina, E., Montalbano, A., Monzat, D., Morii, M., Mullier, G., Neundorf, J., Newcomer, M., Ng, Y., Nikolica, A., Nikolopoulos, K., Oechsle, J., Oliver, J., Orr, R. S., Ottino, G., Paillard, C., Pani, P., Paowell, S., Parzefall, U., Phillips, P. W., Platero, A., Platero, G., Prahl, J., Pyatt, S., Ran, K., Reardon, N., Rehnisch, L., Renardi, A., Renzmann, M., Rifki, O., Rodriguez, A. R., Rosin, G., Rossi, E., Ruggeri, T., Ruehr, F., Rymaszewski, P., Sadrozinski, H. F., Sanethavong, P., Santpur, S. N., Scharf, C., Schillaci, Z., Schmitt, S., Sharma, A., Sciolla, G., Seiden, A., Shi, X., Simpson-Allsop, C., Snoek, H., Snow, S., Solaz, C., Soldevila, U., Sousa, F., Sperlich, D., Staats, E., Stack, T. L., Stanitzki, M., Starinsky, N., Steentoft, J., Stegler, M., Stelzer, B., Stucci, S., Swientek, K., Taylor, G. N., Taylor, W., Teoh, J. J., Teuscher, R., Thomas, J., Tigchelaar, A., Tran, T., Tricoli, A., Trischuk, D. A., Unno, Y., van Nieuwenhuizen, G., Ullan, M., Vermeulen, J., Leitao, P. V., Vickey, T., Vidal, G., Vreeswijk, M., Warren, M., Weidberg, T., Wiehe, M., Wiglesworth, C., Wiik-Fuchs, L., Williams, S., Wilson, J., Witharm, R., Wizemann, F., Wonsak, S., Worm, S., Wormald, M., Xella, Stefania, Yang, Y., Yarwick, J., Yu, T., Zhang, D., Zhang, K., Zhou, M. & Zhu, H., 18 May 2020, In: Journal of Instrumentation. 15, 9, 78 p., 09004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 2019
  17. Published

    A strategy for a general search for new phenomena using data-derived signal regions and its application within the ATLAS experiment

    ATLAS, A., 6 Feb 2019, In: European Physical Journal C. 79, 2, 45 p., 120.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Combination of Searches for Invisible Higgs Boson Decays with the ATLAS Experiment

    ATLAS, A., 13 Jun 2019, In: Physical Review Letters. 122, 23, 20 p., 231801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Combinations of single-top-quark production cross-section measurements and vertical bar f(LV)V(tb)vertical bar determinations at root s=7 and 8 TeV with the ATLAS and CMS experiments

    ATLAS, A. & The CMS collaboration, T. C. C., 16 May 2019, In: Journal of High Energy Physics. 2019, 5, 81 p., 088.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Comparison of Fragmentation Functions for Jets Dominated by Light Quarks and Gluons from pp and Pb plus Pb Collisions in ATLAS

    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. & 21 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Alonso Diaz, A., hqz214, H., Dam, Mogens, Bajic, M., Monk, J. W., Besjes, G., Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, de Almeida Dias, F., Petersen, Troels Christian, Xella, Stefania, Wiglesworth, Graig, Stark, S. H., Ignazzi, R., Camplani, Alessandra & ATLAS Collaboration, A. C., 22 Jul 2019, In: Physical Review Letters. 123, 4, 21 p., 042001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Correlated long-range mixed-harmonic fluctuations measured in pp, p plus Pb and low-multiplicity Pb plus Pb collisions with the ATLAS detector

    ATLAS, A., 10 Feb 2019, In: Physics Letters B. 789, p. 444-471

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Cross-section measurements of the Higgs boson decaying into a pair of tau-leptons in proton-proton collisions 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. & 21 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Alonso Diaz, A., Bajic, M., de Almeida Dias, F., Besjes, G., Dam, Mogens, Galster, G. A. G. K., Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Monk, J. W., hqz214, H., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & The ATLAS collaboration, T. A. C., 10 Apr 2019, In: Physical Review D. 99, 7, 39 p., 072001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Dijet azimuthal correlations and conditional yields in pp and p plus Pb collisions ats root S-NN=5.02 TeV with the ATLAS detector

    ATLAS, A., 6 Sep 2019, In: Physical Review C. 100, 6, 24 p., 034903.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data

    ATLAS, A., 2 Mar 2019, In: Journal of Instrumentation. 14, 61 p., P03017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Electron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton-proton collision data at s=13 TeV

    ATLAS, A., 3 Aug 2019, In: European Physical Journal C. 79, 8, 40 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    In situ calibration of large-radius jet energy and mass in 13TeVproton-proton collisions with the ATLAS detector

    ATLAS, A., 13 Feb 2019, In: European Physical Journal C. 79, 2, 42 p., 135.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Measurement of VH, H -> b(b)over-bar production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector

    ATLAS, A., 23 May 2019, In: Journal of High Energy Physics. 2019, 5, 141.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582