Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher

Member of:

    ORCID: 0000-0002-0988-1655

    Publication year:
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    951 - 975 out of 1,282Page size: 25
    1. Published

      Search for pair production of heavy top-like quarks decaying to a high-p(T) W boson and a b quark in the lepton plus jets final state at root s=7 TeV with the ATLAS detector

      Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Klinkby, E. B., Jørgensen, M. D., Boelaert, N. M. P., Heisterkamp, S. J. F., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 29 Jan 2013, In: Physics Letters B. 718, 4-5, p. 1284-1302

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

    2. Published

      Measurement of W+W- production in pp collisions at root s=7 TeV with the ATLAS detector and limits on anomalous WWZ and WW gamma couplings

      Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Klinkby, E. B., Løvschall-Jensen, A. E., Nilsson, B. S., Mehlhase, S., Petersen, Troels Christian & Xella, Stefania, 3 Jun 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 87, 11, UNSP 112001.

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

    3. Published

      Measurement of Spin Correlation in Top-Antitop Quark Events and Search for Top Squark Pair Production in pp Collisions at root s=8 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., 8 Apr 2015, In: Physical Review Letters. 114, 14, 142001.

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

    4. Published

      Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at root s=8 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., 18 Feb 2015, In: European Physical Journal C. 75, 2, 79.

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

    5. Published

      Measurement of the transverse polarization of Lambda and (Lambda)over-bar hyperons produced in proton-proton 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., 10 Feb 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 91, 3, 032004.

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

    6. Published

      Measurements of jet vetoes and azimuthal decorrelations in dijet events produced in pp collisions at √s = 7 TeV using the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Dam, Mogens, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, Petersen, Troels Christian, Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 22 Jul 2014, In: European Physical Journal C. 74, 27 p., 3117.

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

    7. Published

      Measurement of Higgs boson production in the diphoton decay channel in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., 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., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E., Wiglesworth, G. & 1 others, Galster, G. A. G. K., 24 Dec 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 11, 112015.

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

    8. Published

      Measurement of χc1 and χc2 production with √s = 7 TeV pp collisions at ATLAS

      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., Petersen, T. C., Pedersen, L. E., Thomsen, L. A., Alonso Diaz, A., Galster, G. A. G. K., Mehlhase, S., Jørgensen, M. D. & 4 others, Pingel, A. M., Løvschall-Jensen, A. E., Monk, J. W. & Wiglesworth, Graig, 28 Apr 2014, In: Journal of High Energy Physics (Online). 2014, 154, 52 p., 1407.

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

    9. Published

      Search for top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in √s=8 TeV pp collisions with the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., 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., Galster, G. A. G. K., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 2014, In: Journal of High Energy Physics (Online). 2014, 118, 1411.

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

    10. Published

      Search for the direct production of charginos, neutralinos and staus in final states with at least two hadronically decaying taus and missing transverse momentum in pp collisions at √s= 8 TeV with the ATLAS detector

      Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Galster, G. A. G. K., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 1 Jul 2014, In: Journal of High Energy Physics (Online). 2014, 096, 1410.

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

    11. Published

      Monitoring and data quality assessment of the ATLAS liquid argon calorimeter

      Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., Dam, M., Hansen, J. D., Galster, G. A. G. K., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Alonso Diaz, A. & 4 others, Løvschall-Jensen, A. E., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 16 May 2014, In: Journal of Instrumentation. 9, 39 p., P07024.

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

    12. Published

      Light-quark and gluon jet discrimination in pp collisions at √s=7 TeV with the ATLAS detector

      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., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., 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., 26 May 2014, In: European Physical Journal C. 74, 29 p., 3023.

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

    13. Published

      Measurement of the azimuthal anisotropy of charged-particle production in Xe plus Xe collisions at root S-NN=5.44 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., Dam, M., Camplani, A., Galster, G. A. G. K., Hansen, P. H., Hansen, J. B., Hansen, J. D. & 7 others, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Feb 2020, In: Physical Review C. 101, 2, 35 p., 024906.

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

    14. Published

      CP Properties of Higgs Boson Interactions with Top Quarks in the (tt)over-barH and tH Processes Using H -> gamma gamma 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., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. D., Hansen, P. H., Hansen, J. B. & 7 others, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Wiglesworth, Graig, Stark, S. H., Xella, Stefania & ATLAS Collaboration, A. C., 5 Aug 2020, In: Physical Review Letters. 125, 6, 21 p., 061802.

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

    15. Published

      Measurement of heavy flavor production and azimuthal anisotropy in small and large systems with ATLAS

      ATLAS, A., 1 Feb 2019, In: Nuclear Physics A. 982, p. 687-690

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

    16. Published

      Searches for electroweak production of supersymmetric particles with compressed mass spectra in root s=13 TeV pp collisions 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., Acharya, B. S., Alonso Diaz, A., hqz214, H., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, J. D. & 8 others, Hansen, Peter Henrik, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 11 Mar 2020, In: Physical Review D. 101, 5, 46 p., 052005.

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

    17. Published

      ATLAS data quality operations and performance for 2015-2018 data-taking

      Aad, G., Aaboud, M., 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., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Galster, G. A. G. K., Hansen, J. B. & 8 others, hqz214, H., Ignazzi, R., Stark, S. H., Petersen, Troels Christian, Monk, J. W., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 1 Apr 2020, In: Journal of Instrumentation. 15, 4, 44 p., P04003.

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

    18. Published

      Search for long-lived neutral particles produced in pp collisions at root s=13 TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer

      Aad, A., Abbott, B., Abbott, DC., Abud, AA., Abeling, K., Abhayasinghe, DK., Abidi, S. H., Abraham, NL., Abramowicz, H., AbouZeid, O. S. A., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, J. D., Hansen, P. H., Monk, J. W., Ignazzi, R., Petersen, T. C., Wiglesworth, G. & 3 others, hqz214, H., Xella, Stefania & ATLAS Collaboration, A. C., 30 Mar 2020, In: Physical Review D. 101, 5, 29 p., 052013.

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

    19. Published

      Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb(-1) of data collected 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, R., Alonso Diaz, A., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Hansen, J. B., Galster, G. A. G. K., Monk, J. W., hqz214, H. & 6 others, Ignazzi, R., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 4 Jun 2020, In: Journal of High Energy Physics. 2020, 6, 44 p., 046.

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

    20. Published

      Search for heavy particles in the b-tagged dijet mass distribution with additional b-tagged jets in proton-proton collisions at p root s=13 TeV with the ATLAS experiment

      Aad, G., Abbott, B., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., 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., 7 Jan 2022, In: Physical Review D. 105, 1, 22 p., 012001.

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

    21. Published

      Search for Higgs boson decays into a pair of pseudoscalar particles in the bb mu mu final state with the ATLAS detector in pp collisions at root s=13 TeV

      Aad, G., Abbott, B., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., 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., 11 Jan 2022, In: Physical Review D. 105, 1, 29 p., 012006.

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

    22. Published

      Search for single production of a vectorlike T quark decaying into a Higgs boson and top quark with fully hadronic final states using 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., 25 May 2022, In: Physical Review D. 105, 9, 34 p., 092012.

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

    23. Published

      The SHiP experiment at the proposed CERN SPS Beam Dump Facility

      Ahdida, C., Akmete, A., Alt, J. C., Alexandrov, A., Anokhina, A., Aoki, S., Atkin, E., Azorsky, N., Back, J. J., Bagulya, A., Boiarska, I., Ruchayskiy, Oleg, Tastet, J., Xella, Stefania & SHIP collaboration, S. C., 26 May 2022, In: European Physical Journal C. 82, 23 p., 486.

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

    24. Published

      Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb(-1) of pp collision data at root s=13 TeV

      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, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 8 Mar 2022, In: Journal of High Energy Physics (Online). 2022, 3, 64 p., 041.

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

    25. Published

      Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb-1 of proton-proton data recorded by the ATLAS experiment

      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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 8 Aug 2022, In: Journal of High Energy Physics (Online). 2022, 08, 66 p., 104.

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

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