Stefania Xella

Stefania Xella

Guest Researcher, Associate Professor

Member of:

    ORCID: 0000-0002-0988-1655

    Publication year:
    All
    626 - 650 out of 1,301Page size: 25
    Sort by: Title
    1. Published

      Observation of electroweak production of W+W- in association with jets in proton-proton 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, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 26 Jul 2024, In: Journal of High Energy Physics (Online). 2024, 07, 43 p., 254.

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

    2. 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

    3. Published

      Observation of electroweak production of two jets in association with an isolated photon and missing transverse momentum, and search for a Higgs boson decaying into invisible particles at 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, P. H., Hansen, Jørn Dines, Hansen, Jørgen Beck, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 3 Feb 2022, In: European Physical Journal C. 82, 2, 41 p., 105.

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

    4. 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

    5. Published

      Observation of gauge boson joint-polarisation states in W±Z production from 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, P. H., Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Aug 2023, In: Physics Letters B. 843, 27 p., 137895.

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

    6. Published

      Observation of photon-induced W+W- production in pp collisions at √s ​=13 TeV using the ATLAS detector

      Aad, G., Abbott, B., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Alonso Diaz, A., Camplani, A., Dam, M., Galster, G. A. G. K., hqz214, H., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R. & 6 others, Monk, J. W., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 4 Mar 2021, In: Physics Letters B. 816, 24 p., 136190.

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

    7. Published

      Observation of spin correlation in ttbar events from pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

      Aad, G., Boelaert, N. M. P., Dam, Mogens, Hansen, Jørgen Beck, Hansen, P. H., Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 24 May 2012, In: Physical Review Letters. 108, 21, p. 212001 19 p.

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

    8. Published

      Observation of the associated production of a top quark and a Z boson in pp collisions at root s=13 TeV 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., hqz214, H., Bajic, M., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, J. D. & 8 others, Hansen, P. H., Ignazzi, R., Monk, J. W., Stark, S. H., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 20 Jul 2020, In: Journal of High Energy Physics (Online). 2020, 7, 46 p., 124.

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

    9. Published

      Observation of the γγ → ττ Process in Pb plus Pb Collisions and Constraints on the τ-Lepton Anomalous Magnetic Moment with the ATLAS Detector

      Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Dam, Mogens, Camplani, Alessandra, Hansen, P. H., Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 12 Oct 2023, In: Physical Review Letters. 131, 15, 23 p., 151802.

      Research output: Contribution to journal › Letter › Research › peer-review

    10. Published

      Observation of top-quark pair production in association with a photon and measurement of the t(t)over-bar gamma production cross section in pp collisions at root s=7 TeV using 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., 28 Apr 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 91, 7, 072007.

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

    11. Published

      Operation and performance of the ATLAS Tile Calorimeter in Run 1

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., 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. & 20 others, Affolder, A. A., Afik, Y., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Alonso Diaz, A., Bajic, M., Besjes, G., de Almeida Dias, F., Dam, Mogens, Galster, G. A. G. K., Hansen, Jørn Dines, Hansen, P. H., Hansen, Jørgen Beck, Monk, J. W., hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 30 Nov 2018, In: European Physical Journal C. 78, 12, 48 p., 987.

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

    12. Published

      Operation and performance of the ATLAS semiconductor tracker

      Aad, G., 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., Jørgensen, M. D., Petersen, T. C., Thomsen, L. A., Alonso Diaz, A., Galster, G. A. G. K., Mehlhase, S., Pingel, A. M. & 4 others, Løvschall-Jensen, A. E., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 29 Apr 2014, In: Journal of Instrumentation. 9, 80 p., P08009.

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

    13. Published

      Operation and performance of the ATLAS semiconductor tracker in LHC Run 2

      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, Hansen, Jørn Dines, Hansen, P. H., Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 1 Jan 2022, In: Journal of Instrumentation. 17, 1, 56 p., P01013.

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

    14. Published

      Operation of the ATLAS trigger system in Run 2

      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., Abreu, R., Abulaiti, Y., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R. & 7 others, Monk, J. W., hqz214, H., Wiglesworth, Graig, Stark, S. H., Petersen, Troels Christian, Xella, Stefania & ATLAS Collaboration, A. C., 10 Feb 2020, In: Journal of Instrumentation. 15, 60 p., P10004.

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

    15. Published

      Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions

      Aad, G., Abbott, B., Abbott, DC., Abud, A. A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Alonso Diaz, A., Camplani, A., Dam, M., Galster, G. A. G. K., hqz214, H., Hansen, J. B., Hansen, J. D., Hansen, P. H., Ignazzi, R. & 6 others, Petersen, Troels Christian, Monk, J. W., Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Apr 2021, In: European Physical Journal C. 81, 47 p., 334.

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

    16. Published

      Performance and calibration of quark/gluon-jet taggers using 140 fb-1 of 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, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 1 Feb 2024, In: Chinese Physics C. 48, 2, 26 p., 023001.

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

    17. Published

      Performance of algorithms that reconstruct missing transverse momentum in root s=8 TeV proton-proton collisions in the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adamczyk, L., Adams, D. L., Adelman, J. P., Adomeit, S., Adye, T., Affolder, A. A., 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., 13 Apr 2017, In: European Physical Journal C. 77, 4, 241.

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

    18. Published

      Performance of b-jet identification in the ATLAS experiment

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Acharya, B. S., Adye, T., Adamczyk, L., Adams, D. L., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C. & 8 others, 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., 4 Apr 2016, In: Journal of Instrumentation. 11, P04008.

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

    19. Published

      Performance of electron and photon triggers in ATLAS during LHC Run 2

      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., Alonso Diaz, A., Camplani, A., Dam, M., Hansen, J. D., Hansen, J. B., Hansen, P. H., Ignazzi, R. & 9 others, Galster, G. A. G. K., Bajic, M., Monk, J. W., hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 22 Jan 2020, In: European Physical Journal C. 80, 1, 41 p., 47.

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

    20. Published

      Performance of jet substructure techniques for large-R jets in proton-proton collisions at root s=7 TeV using the ATLAS detector

      Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, P. H., Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 13 Sep 2013, In: Journal of High Energy Physics (Online). 2013, 9, 076.

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

    21. Published

      Performance of missing transverse momentum reconstruction in proton-proton collisions at 7 TeV with ATLAS

      Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, P. H., Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Klinkby, E. B., Jørgensen, M. D., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 3 Jan 2012, In: European Physical Journal C. 72, p. 1844 22 p.

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

    22. Published

      Performance of missing transverse momentum reconstruction with the ATLAS detector using proton proton collisions 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., Bajic, M., Besjes, G., Dam, Mogens, Galster, G. A. G. K., Hansen, P. H., Hansen, Jørn Dines, Hansen, Jørgen Beck, Monk, J. W., de Almeida Dias, F., hqz214, H., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 8 Nov 2018, In: European Physical Journal C. 78, 11, 46 p., 903.

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

    23. Published

      Performance of pile-up mitigation techniques for jets in pp collisions at root s=8 TeV using the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Adye, T., Adams, D. L., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., 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 Oct 2016, In: European Physical Journal C. 76, 11, 581.

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

    24. Published

      Performance of the ATLAS Level-1 topological trigger in Run 2

      Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., 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., 5 Jan 2022, In: European Physical Journal C. 82, 1, 26 p., 7.

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

    25. Published

      Performance of the ATLAS RPC detector and Level-1 muon barrel trigger at root s=13 TeV

      Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., Camplani, Alessandra, Dam, Mogens, Hansen, P. H., Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Jul 2021, In: Journal of Instrumentation. 16, 7, 64 p., P07029.

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

    Previous 1...22 23 24 25 26 27 28 29 ...53 Next

    ID: 7582