Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher

Member of:

    ORCID: 0000-0002-0988-1655

    Publication year:
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    1 - 25 out of 123Page size: 25
    1. 2023
    2. Published

      Measurement of exclusive pion pair production in proton-proton collisions at √s=7 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, Hansen, Jørn Dines, Camplani, Alessandra, Hansen, Jørgen Beck, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 2023, In: European Physical Journal C. 83, 7, 28 p., 627.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC

      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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 2023, In: Journal of Instrumentation. 18, 61 p., T11004.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. 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 journal › Journal article › Research › peer-review

    5. Published

      Observation of electroweak production of two jets and a Z-boson pair

      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., Dam, M., Camplani, A., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R., Wiglesworth, G., Petersen, T. C., Xella, S. & 1 others, ATLAS, A., 9 Feb 2023, In: Nature Physics. 19, p. 237-253 18 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    6. Published

      Probing the CP nature of the top–Higgs Yukawa coupling in tt¯H and tH events with H→bb¯ decays using the ATLAS detector at the LHC

      Aad, G., Abbott, B., Abbott, DC., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme, L., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Wiglesworth, G., Petersen, T. C., Xella, S. & 1 others, ATLAS Collaboration, A. C., 10 Mar 2023, In: Physics Letters B. 849, 25 p., 138469.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. Published

      Differential t(t)over-tilde cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb-1 of ATLAS data

      Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. 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. B., Hansen, J. D., Ignazzi, R., Petersen, T. C. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 18 Apr 2023, In: Journal of High Energy Physics (Online). 2023, 04, 108 p., 080.

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      Measurement of the total and differential Higgs boson production cross-sections at √s = 13 TeV with the ATLAS detector by combining the H → ZZ* → 4l and H → γγ decay channels

      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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 4 May 2023, In: Journal of High Energy Physics (Online). 2023, 5, 42 p., 028.

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. Published

      Measurement of muon pairs produced via γγ scattering in nonultraperipheral Pb + Pb collisions at √s NN = 5.02 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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 5 May 2023, In: Physical Review C. 107, 5, 42 p., 054907.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      Measurements of the suppression and correlations of dijets in Pb+Pb collisions at √s NN = 5.02 TeV

      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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 11 May 2023, In: Physical Review C. 107, 5, 31 p., 054908.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Published

      Correlations between flow and transverse momentum in Xe plus Xe and Pb plus Pb collisions at the LHC with the ATLAS detector: A probe of the heavy-ion initial state and nuclear deformation

      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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 15 May 2023, In: Physical Review C. 107, 5, 28 p., 054910.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      Production of Upsilon(nS) mesons in Pb + Pb and pp collisions at 5.02 TeV

      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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 22 May 2023, In: Physical Review C. 107, 5, 25 p., 054912.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Measurement of the nuclear modification factor of b-jets in 5.02 TeV Pb+Pb collisions with the ATLAS detector

      Aad, G., Abbott, B., Abbott, D., Abeling, K., Abidi, S. H., Aboulhosn, J. 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., 25 May 2023, In: European Physical Journal C. 83, 32 p., 438.

      Research output: Contribution to journal › Journal article › Research › peer-review

    14. Published

      Measurement of the total cross section and ρ-parameter from elastic scattering in pp collisions at √s=13 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, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 26 May 2023, In: European Physical Journal C. 83, 5, 49 p., 441.

      Research output: Contribution to journal › Journal article › Research › peer-review

    15. Published

      Intel Stratix 10 FPGA design for track reconstruction for the ATLAS experiment at the HL-LHC

      Camplani, A., Dittmeier, S., Annovi, A., Axiotis, K., Beccherle, R., Biesuz, N., Brenner, R., Débieux, S., Ellert, M., Francavilla, P., Giannetti, P., Kordas, K., Mårtensson, M., Mastrandrea, P., Noulas, C., Oechsle, J., Piendibene, M., Poggi, R., Schöning, A., Sfyrla, A. & 5 others, Sotiropoulou, C. L., Steentoft, J., Tsiakiris, T., Xella, Stefania & Zinßer, J., 1 Jun 2023, In: Journal of Instrumentation. 18, 06, 23 p., P06029.

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      Measurement of the top-quark mass using a leptonic invariant mass 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., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. B., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS, A., 5 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 06, 56 p., 019.

      Research output: Contribution to journal › Journal article › Research › peer-review

    17. Published

      Search for heavy resonances decaying into a Z or W boson and a Higgs boson in final states with leptons and b-jets in 139 fb-1 of pp collisions at √s=13 TeV 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., Achkar, B., 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, A., 5 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 6, 68 p., 16.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. Published

      Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the W-boson mass 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., Achkar, B., 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, A., 6 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 6, 59 p., 31.

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      Observation of four-top-quark production in the multilepton 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., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Hansen, J. B., Hansen, P. H., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 12 Jun 2023, In: European Physical Journal C. 83, 6, 35 p., 496.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Constraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV pp collision data with two top quarks and missing transverse momentum in the final state

      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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 13 Jun 2023, In: European Physical Journal C. 83, 6, 35 p., 503.

      Research output: Contribution to journal › Journal article › Research › peer-review

    21. Published

      Cross-section measurements for the production of a Z boson in association with high-transverse-momentum jets in pp collisions at √ s=13 TeV 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., Achkar, B., 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, A., 14 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 6, 53 p., 80.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Published

      Measurement of electroweak Z(νν¯)γjj production and limits on anomalous quartic gauge couplings in pp collisions at √s = 13 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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 14 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 6, 48 p., 82.

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. 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 journal › Journal article › Research › peer-review

    24. Published

      Measurements of observables sensitive to colour reconnection in t(t)over-bar events with the ATLAS detector at √s=13TeV

      Aad, G., Abbott, B., Abbott, D., Abeling, K., Abidi, S. H., Aboulhosn, J. A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., 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., 20 Jun 2023, In: European Physical Journal C. 83, 6, 52 p., 518.

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Published

      Search for Higgs boson pair production in association with a vector boson in pp collisions at √s=13TeV 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., 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., 20 Jun 2023, In: European Physical Journal C. 83, 6, 41 p., 519.

      Research output: Contribution to journal › Journal article › Research › peer-review

    26. Published

      Measurement of the tt¯ production cross-section in pp collisions at √s= 5.02 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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 23 Jun 2023, In: Journal of High Energy Physics (Online). 2023, 6, 54 p., 138.

      Research output: Contribution to journal › Journal article › Research › peer-review

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