Stefania Xella

Stefania Xella

Guest Researcher, Associate Professor

Member of:

    ORCID: 0000-0002-0988-1655

    Publication year:
    All
    1 - 25 out of 65Page size: 25
    1. 2024
    2. Published

      Search for vector-boson resonances decaying into a top quark and a bottom quark using 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., 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, A., 12 Dec 2024, In: Journal of High Energy Physics (Online). 2023, 12, 63 p., 73.

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

    3. Published

      Luminosity determination in pp collisions at √s=13TeV using the ATLAS detector at the LHC

      Aad, G., Abbott, B., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, Mogens, Camplani, Alessandra, Hansen, P. H., Hansen, Jørn Dines, Ignazzi, R., Hansen, Jørgen Beck, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 31 Oct 2024, In: European Physical Journal C. 83, 10, 67 p., 982.

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

    4. Published

      Search for dark mesons decaying to top and bottom quarks in proton-proton collisions at √s= 13 TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abdelhameed, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 2 Sep 2024, In: Journal of High Energy Physics (Online). 2024, 09, 55 p., 5.

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

    5. Published

      Accuracy versus precision in boosted top tagging with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abdelhameed, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 27 Aug 2024, In: Journal of Instrumentation. 19, 45 p., P08018.

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

    6. Published

      Measurement of differential cross-sections in tt‾ and tt‾+jets production in the lepton+jets final state in pp collisions at √s ​ = 13 TeV using 140 fb-1 of ATLAS data

      Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Bourdarios, CA., Adamczyk, L., 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 Collaboration, A. C., 22 Aug 2024, In: Journal of High Energy Physics (Online). 2024, 08, 87 p., 180.

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

    7. Published

      Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at √s= 13 TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abdelhamid, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., 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. & 2 others, Xella, Stefania & ATLAS Collaboration, A. C., 20 Aug 2024, In: Journal of High Energy Physics (Online). 2024, 08, 35 p., 153.

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

    8. Published

      Calibration of a soft secondary vertex tagger using proton-proton collisions at √s=13  TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abdelhamid, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Aug 2024, In: Physical Review D. 110, 30 p., 032015.

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

    9. Published

      Search for the nonresonant production of Higgs boson pairs via gluon fusion and vector-boson fusion in the bb¯τ+τ- final state in proton-proton collisions at √s=13  TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., 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., 9 Aug 2024, In: Physical Review D. 110, 3, 35 p., 032012.

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

    10. Published

      Search for pair-produced higgsinos decaying via Higgs or Z bosons to final states containing a pair of photons and a pair of b-jets 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, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, ATLAS Collaboration, A. C., 8 Aug 2024, In: Physics Letters B. 856, 24 p., 138938.

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

    11. Published

      Search for low-mass resonances decaying into two jets and produced in association with a photon or a jet at √s=13  TeV with the ATLAS detector ATLAS Collaboration

      Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., 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 Collaboration, A. C., 2 Aug 2024, In: Physical Review D. 110, 3, 30 p., 032002.

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

    12. Published

      Search for flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV pp collisions with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., 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 Collaboration, A. C., 29 Jul 2024, In: European Physical Journal C. 84, 7, 42 p., 757.

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

    13. Published

      A search for top-squark pair production, in final states containing a top quark, a charm quark and missing transverse momentum, using the 139 fb-1 of pp collision data collected by 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, 49 p., 250.

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

    14. 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

    15. Published

      Search for charged-lepton-flavor violating μτqt interactions in top-quark production and decay in pp collisions at √s=13  TeV with the ATLAS detector at the LHC

      Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., 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 Collaboration, A. C., 25 Jul 2024, In: Physical Review D. 110, 1, 35 p., 012014.

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

    16. 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 journal › Letter › Research › peer-review

    17. Published

      Search for heavy Majorana neutrinos in e±e± and e±μ± final states via WW scattering in pp collisions at √s=13 TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abdelhameed, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 14 Jul 2024, In: Physics Letters B. 856, 24 p., 138865.

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

    18. Published

      Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at √s=7 and 8 TeV

      Hayrapetyan, A., Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., Damanakis, K., Dragicevic, M., Hussain, P. S., Jeitler, M., Aad, G., Abbott, B., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G. & 3 others, Xella, Stefania, ATLAS Collaboration, A. C. & The CMS collaboration, T. C. C., 27 Jun 2024, In: Physical Review Letters. 132, 26, 37 p., 261902.

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

    19. Published

      Measurements of electroweak W±Z boson pair production in association with two jets in pp collisions at √s= 13 TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abdelhameed, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Dam, M., Camplani, A., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Petersen, T. C. & 3 others, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 27 Jun 2024, In: Journal of High Energy Physics (Online). 2024, 06, 55 p., 192.

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

    20. Published

      The ATLAS trigger system for LHC Run 3 and trigger performance in 2022

      Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., 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., 25 Jun 2024, In: Journal of Instrumentation. 19, 06, 112 p., P06029.

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

    21. Published

      Beam-induced backgrounds measured in the ATLAS detector during local gas injection into the LHC beam vacuum

      Aad, G., Aakvaag, E., Abbott, B., Abdelhameed, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., 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. & 2 others, Xella, Stefania & The ATLAS collaboration, T. A. C., 11 Jun 2024, In: Journal of Instrumentation. 19, 61 p., P06014.

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

    22. Published

      Search for high-mass resonances in final states with a τ-lepton and missing transverse momentum with the ATLAS detector

      Aad, G., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., 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., 10 Jun 2024, In: Physical Review D. 109, 11, 28 p., 112008.

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

    23. Published

      Reconstruction of 400 GeV/c proton interactions with the SHiP-charm project

      Ahdida, C., Akmete, A., Albanese, R., Alexandrov, A., Alicante, F., Alt, J. E., Aoki, S., Arduini, G., Back, J. J., Boiarska, I., Ruchayskiy, Oleg, Timiryasov, Inar, Tastet, J., Xella, Stefania & SHIP collaboration, S. C., 4 Jun 2024, In: European Physical Journal C. 84, 6, 10 p., 562.

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

    24. Published

      Searches for exclusive Higgs boson decays into D⁎γ and Z boson decays into D0γ and K0sγ in pp collisions at √s=13TeV with the ATLAS detector

      Aad, G., Aakvaag, E., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., 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 Collaboration, A. C., 3 Jun 2024, In: Physics Letters B. 855, 25 p., 138762.

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

    25. Published

      Measurement of t-channel production of single top quarks and antiquarks in pp collisions at 13 TeV using the full ATLAS Run 2 data sample

      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., Adam Bourdarios, C., 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 Collaboration, A. C., 28 May 2024, In: Journal of High Energy Physics (Online). 2024, 05, 60 p., 305.

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

    26. Published

      Search for new particles in final states with a boosted top quark and missing transverse momentum 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., Bourdarios, CA., 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 Collaboration, A. C., 23 May 2024, In: Journal of High Energy Physics (Online). 2024, 05, 57 p., 263.

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

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