Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher

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    ORCID: 0000-0002-0988-1655

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    1. Published

      Measurements of electroweak W j j production and constraints on anomalous gauge couplings with the ATLAS detector

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S., 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. & 15 others, Hansen, Peter Henrik, Petersen, Troels Christian, Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K., Besjes, G., Stark, S. H., Løvschall-Jensen, A. E., Thiele, F. A. J., de Almeida Dias, F., Bajic, M., Arnold, H. & Barr, J., 17 Jul 2017, In: European Physical Journal C. 77, 7, 474.

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

    2. Published

      Search for flavour-changing neutral current top-quark decays t -> qZ in proton-proton 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., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y., Agheorghiesei, C. & 17 others, Aguilar-Saavedra, J. A., Ahmadov, F., Alonso Diaz, A., Besjes, G., Bajic, M., de Almeida Dias, F., Dam, Mogens, Galster, G. A. G. K., Hansen, Jørn Dines, Hansen, Jørgen Beck, Hansen, Peter Henrik, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 31 Jul 2018, In: The Journal of High Energy Physics. 2018, 7, 41 p., 176.

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

    3. Published

      Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in root S=13 TeV pp collisions 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., Agatonovic-Jovin, T. & 20 others, Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., Aielli, G., Dam, Mogens, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Alonso Diaz, A., Monk, J. W., Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., Besjes, G., Bajic, M., Thiele, F. A. J. & de Almeida Dias, F., 28 Mar 2018, In: Physical Review D. 97, 5, 29 p., 052012.

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

    4. Published

      Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at root s=13 TeV

      Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., Camplani, Alessandra, Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 24 Jun 2021, In: Journal of High Energy Physics (Online). 2021, 6, 54 p., 146.

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

    5. Published

      Search for pair and single production of vectorlike quarks in final states with at least one Z boson decaying into a pair of electrons or muons in pp collision data collected with the ATLAS detector at root s=13 TeV

      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. & 19 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Alonso Diaz, A., Dam, Mogens, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, de Almeida Dias, F., Besjes, G., Bajic, M., Galster, G. A. G. K., Petersen, Troels Christian, Thiele, F. A. J., Monk, J. W., Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 20 Dec 2018, In: Physical Review D. 98, 11, 53 p., 112010.

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

    6. Published

      Search for new phenomena using the invariant mass distribution of same-flavour opposite-sign dilepton pairs in events with missing transverse momentum in root s=13 TeV pp collisions 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., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y., Agheorghiesei, C. & 16 others, Aguilar-Saavedra, J. A., Besjes, G., Bajic, M., Alonso Diaz, A., Dam, Mogens, de Almeida Dias, F., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Monk, J. W., Galster, G. A. G. K., Stark, S. H., Petersen, Troels Christian, Thiele, F. A. J., Xella, Stefania & Wiglesworth, Graig, 6 Aug 2018, In: European Physical Journal C. 78, 8, 38 p., 625.

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

    7. Published

      Measurement of the W-boson mass in pp collisions at root s=7 TeV with the ATLAS detector

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., 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., Adams, D. L., Adelman, J., Adersberger, M., Adye, T. & 17 others, Affolder, A. A., Agatonovic-Jovin, T., Besjes, G., Hansen, Peter Henrik, Xella, Stefania, Monk, J. W., Dam, Mogens, Thiele, F. A. J., Petersen, Troels Christian, Hansen, Jørn Dines, Stark, S. H., Galster, G. A. G. K., Alonso Diaz, A., Wiglesworth, Graig, de Almeida Dias, F., Hansen, Jørgen Beck & Bajic, M., 6 Feb 2018, In: European Physical Journal C. 78, 2, 61 p., 110.

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

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

    9. Published

      Search for excited electrons singly produced in proton-proton collisions at root s=13 TeV with the ATLAS experiment at the LHC

      ATLAS, A., 3 Oct 2019, In: European Physical Journal C. 79, 9, 30 p., 803.

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

    10. Published

      Properties of g -> b(b)over-bar at small opening angles in pp collisions with the ATLAS detector at root s=13 TeV

      ATLAS, A., 14 Mar 2019, In: Physical Review D. 99, 5, 26 p., 052004.

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

    11. Published

      Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abramowicz, H., Abraham, NL., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, J., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Affolder, A. A. & 14 others, Alonso Diaz, A., Bajic, M., Besjes, G., Dam, Mogens, de Almeida Dias, F., Galster, G. A. G. K., Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Monk, J. W., Stark, S. H., Xella, Stefania, Petersen, Troels Christian & Wiglesworth, Graig, 11 Oct 2017, In: European Physical Journal C. 77, 673.

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

    12. Published

      Measurement of longitudinal flow decorrelations in Pb plus Pb collisions at root s(NN)=2.76 and 5.02 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., Alonso Diaz, A., Bajic, M., Besjes, G., Dam, Mogens, de Almeida Dias, F., Hansen, Peter Henrik, Xella, Stefania, Monk, J. W., Thiele, F. A. J., Petersen, Troels Christian, Hansen, Jørn Dines, Stark, S. H., Galster, G. A. G. K., Wiglesworth, Graig & Hansen, Jørgen Beck, 1 Feb 2018, In: European Physical Journal C. 78, 2, 37 p., 142.

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

    13. Published

      Search for resonant W Z production in the fully leptonic final state 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. & 20 others, Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., Alonso Diaz, A., Bajic, M., Besjes, G., de Almeida Dias, F., Dam, Mogens, Galster, G. A. G. K., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 10 Dec 2018, In: Physics Letters B. 787, p. 68-88 21 p.

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

    14. Published

      Measurements of top-quark pair to Z-boson cross-section ratios at root s=13, 8, 7 TeV with the ATLAS detector

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adams, D. L., Adelman, J. P., Adye, T., Dam, M. & 16 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Løvschall-Jensen, A. E., xtf324, X., 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., 23 Feb 2017, In: Journal of High Energy Physics. 2017, 2, p. 1-54 117.

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

    15. Published

      Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at root s=8 TeV

      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., Thiele, F. A. J., de Almeida Dias, F. & Bajic, M., 10 Nov 2017, In: Journal of High Energy Physics. 2017, 11, 062.

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

    16. Published

      Measurements of the production cross-section for a Z boson in association with b-jets 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., Alonso Diaz, A., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, P. H. & 10 others, Hansen, Jørn Dines, hqz214, H., Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania, Bajic, M. & ATLAS Collaboration, A. C., 7 Jul 2020, In: Journal of High Energy Physics (Online). 2020, 7, 58 p., 044.

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

    17. Published

      Measurement of jet activity in top quark events using the e mu final state with two b-tagged jets in pp collisions at root s=8 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., 15 Sep 2016, In: Journal of High Energy Physics (Online). 2016, 9, 074.

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

    18. Published

      Search for new phenomena in high-mass final states with a photon and a jet from 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. & 17 others, Agatonovic-Jovin, T., Agheorghiesei, C., Bajic, M., de Almeida Dias, F., Alonso Diaz, A., Galster, G. A. G. K., Dam, Mogens, Besjes, G., Hansen, Peter Henrik, Petersen, Troels Christian, Hansen, Jørgen Beck, Thiele, F. A. J., Hansen, Jørn Dines, Xella, Stefania, Monk, J. W., Stark, S. H. & Wiglesworth, Graig, 3 Feb 2018, In: European Physical Journal C. 78, 2, 25 p., 102.

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

    19. Published

      Measurement of detector-corrected observables sensitive to the anomalous production of events with jets and large missing transverse momentum in pp collisions at root s=13 TeV using 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., Thiele, F. A. J., de Almeida Dias, F. & Bajic, M., 15 Nov 2017, In: European Physical Journal C. 77, 11, 765.

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

    20. Published

      Search for dark matter at root s=13 TeV in final states containing an energetic photon and large missing transverse momentum with the ATLAS detector

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Abidi, S., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, J., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H. & 12 others, Petersen, Troels Christian, Alonso Diaz, A., Wiglesworth, Graig, Monk, J. W., Stark, S. H., Løvschall-Jensen, A. E., Galster, G. A. G. K., Besjes, G., de Almeida Dias, F., Thiele, F. A. J., Pedersen, L. E. & Bajic, M., 14 Jun 2017, In: European Physical Journal C. 77, 6, 393.

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

    21. Published

      Measurement of the top-quark mass in tt 1-jet events collected with the ATLAS detector in pp collisions at=8 TeV

      ATLAS, A., 26 Dec 2019, In: Journal of High Energy Physics. 2019, 11, 40 p., 150.

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

    22. Published

      Search for type-III seesaw heavy leptons in dilepton final states in pp collisions at root s=13TeV 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., Alonso Diaz, A., Bajic, M., Camplani, A., Dam, M., Ignazzi, R., Hansen, J. D., Hansen, J. B., Hansen, P. H., Petersen, T. C., Xella, S. & 7 others, Wiglesworth, Graig, Galster, G. A. G. K., Stark, S. H., hqz214, H., Monk, J. W., de Almeida Dias, F. & ATLAS Collaboration, A. C., 5 Mar 2021, In: European Physical Journal C. 81, 3, 30 p., 218.

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

    23. Published

      Measurement of the production cross-section of a single top quark in association with a Z boson in proton-proton collisions at 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. & 15 others, Bajic, M., Besjes, G., Alonso Diaz, A., Dam, Mogens, de Almeida Dias, F., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Galster, G. A. G. K., Petersen, Troels Christian, Monk, J. W., Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 10 May 2018, In: Physics Letters B. 780, p. 557-577 21 p.

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

    24. Published

      Search for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at root s=13 TeV

      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., Alonso Diaz, A., Besjes, G., Bajic, M., de Almeida Dias, F., Dam, Mogens, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Galster, G. A. G. K., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 29 Jun 2018, In: Journal of High Energy Physics. 2018, 6, 51 p., 166.

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

    25. Published

      Measurement of W+W- production in association with one jet in proton-proton collisions at root s=8 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., 10 Dec 2016, In: Physics Letters B. 763, p. 114-133

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

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