Stefania Xella

Stefania Xella

Guest Researcher, Associate Professor

Member of:


    1. 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

    2. 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

    3. 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

    4. 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, P. H., 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

    5. 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, P. H., 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

    6. 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

    7. 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

    8. 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

    9. 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

    10. 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

    11. 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, P. H., 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

    12. 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, P. H., 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

    13. 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

    14. Published

      Statistical Combination of ATLAS Run 2 Searches for Charginos and Neutralinos at the LHC

      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, P. H., Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Jul 2024, In: Physical Review Letters. 133, 03, 21 p., 031802.

      Research output: Contribution to journalLetterResearchpeer-review

    15. 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

    16. 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, P. H., 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

    17. 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, P. H., 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

    18. 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

    19. Published

      Studies of the performance of the ATLAS detector using cosmic-ray muons

      Aad...[et al.], G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, John Renner, Hansen, Jørn Dines, Klinkby, E. B., Hansen, P. H., Jørgensen, M. D., Petersen, Troels Christian, Kittelmann, T. H., Xella, Stefania & Boelaert, N. M. P., 1 Mar 2011, In: European Physical Journal C. 71, 3, p. 1593 36 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      Study of (W/Z)H production and Higgs boson couplings using H -> WW* decays 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., 27 Aug 2015, In: Journal of High Energy Physics (Online). 2015, 8, 137.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. Published

      Study of B-c(+) -> J/psi D-s(+) and B-c(+)-> J/psi D-s*(+)decays in pp collisions at root s=13 TeV with the ATLAS detector

      Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Dam, Mogens, Camplani, Alessandra, Ignazzi, R., Hansen, Jørgen Beck, Hansen, P. H., Hansen, Jørn Dines, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 5 Aug 2022, In: Journal of High Energy Physics (Online). 2022, 8, 42 p., 087.

      Research output: Contribution to journalJournal articleResearchpeer-review

    22. Published

      Study of High-Transverse-Momentum Higgs Boson Production in Association with a Vector Boson in the qqbb Final State 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, P. H., Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 28 Mar 2024, In: Physical Review Letters. 132, 13, 23 p., 131802.

      Research output: Contribution to journalLetterResearchpeer-review

    23. Published

      Study of Jet Shapes in Inclusive Jet production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

      Aad..[et al.], G., Dam, Mogens, Hansen, John Renner, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, P. H., Jørgensen, M. D., Klinkby, E. B., Petersen, Troels Christian, Kittelmann, T. H., Xella, Stefania & Boelaert, N. M. P., 8 Mar 2011, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 83, 5, p. 052003 25 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      Study of WW gamma and WZ gamma production in pp collisions at root s=8 TeV and search for anomalous quartic gauge couplings with the ATLAS experiment

      Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, T., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Dam, M., Hansen, J. D., Hansen, J. B. & 15 others, Xella, Stefania, Hansen, P. H., 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. & Barr, J., 25 Sep 2017, In: European Physical Journal C. 77, 9, 646.

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Study of Z → llγ decays at √s=8 TeV with the ATLAS detector

      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, P. H., Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 26 Feb 2024, In: European Physical Journal C. 84, 2, 29 p., 195.

      Research output: Contribution to journalJournal articleResearchpeer-review

    ID: 7582