Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. 2014
  2. Published

    Jet energy measurement and its systematic uncertainty in proton-proton collisions at √s=7 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdullah, 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. & 5 others, Monk, J. W., Pedersen, L. E., Wiglesworth, Graig, Galster, G. A. G. K. & The ATLAS collaboration, T. A. C., 31 May 2014, In: The European Physical Journal C: Particles and Fields. 75, 100 p., 17.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Measurement of the underlying event in jet events from 7 TeV proton-proton collisions 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., Galster, G. A. G. K., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 2 Jun 2014, In: European Physical Journal C. 74, 29 p., 2965.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for direct top squark pair production in events with a Z boson, b-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., Abolins, M., AbouZeid, O. S., Abramowicz, H., Dam, M., Hansen, J. D., Hansen, J. B., Petersen, T. C., Hansen, P. H., Xella, S., Thomsen, L. A., Pedersen, L. E., Galster, G. A. G. K., Wiglesworth, G. & 6 others, Monk, J. W., Løvschall-Jensen, A. E., Alonso Diaz, A., Pingel, A. M., Jørgensen, M. D. & Mehlhase, S., 3 Jun 2014, In: The European Physical Journal C: Particles and Fields. 74, 2883.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for direct pair production of the top squark in all-hadronic final states in proton-proton collisions at √s=8 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., Galster, G. A. G. K., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 4 Jun 2014, In: Journal of High Energy Physics (Online). 2014, 015, 51 p., 1409.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Measurement of inclusive jet charged-particle fragmentation functions in Pb+Pb collisions at √sNN=2.76 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., Galster, G. A. G. K., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 11 Jun 2014, In: Physics Letters B. 739, p. 320-342 33 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Measurement of the Z/γ∗ boson transverse momentum distribution 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. B., Hansen, J. D., 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. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 13 Jun 2014, In: Journal of High Energy Physics (Online). 2014, 145, 55 p., 1409.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Measurement of the Higgs boson mass from the H→γγ and H→ZZ∗→4ℓ channels with the ATLAS detector using 25 fb-1 of pp collision data

    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., Galster, G. A. G. K., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 15 Jun 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 35 p., 052004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Search for WZ resonances in the fully leptonic channel using 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., Abolins, M., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Galster, G. A. G. K., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E. & 4 others, Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 17 Jun 2014, In: Physics Letters B. 737, p. 223-243 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Measurement of the tt¯ production cross-section using eμ events with b -tagged jets in pp collisions at √s=7 and 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., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W. & 3 others, Pedersen, L. E., Galster, G. A. G. K. & Wiglesworth, Graig, 20 Jun 2014, In: European Physical Journal C. 74, 3109.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    A neural network clustering algorithm for the ATLAS silicon pixel 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., Galster, G. A. G. K., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 30 Jun 2014, In: Journal of Instrumentation. 9, P09009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Comprehensive measurements of t-channel single top-quark production cross sections at √s=7 TeV with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Dam, M., Hansen, J. B., Hansen, J. D., Xella, S., Hansen, P. H., Petersen, T. C., Thomsen, L. A., Galster, G. A. G. K., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 30 Jun 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 112006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Search for the Standard Model Higgs boson decay to μ+μ− 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., Galster, G. A. G. K., Petersen, T. C., Thomsen, L. A., Mehlhase, S., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 30 Jun 2014, In: Physics Letters B. 738, p. 68-86

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Measurements of normalized differential cross sections for tt¯ production in pp collisions at √s=7  TeV using 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, 1 Jul 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 072004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. 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 journalJournal articleResearchpeer-review

  16. Published

    Search for pair-produced third-generation squarks decaying via charm quarks or in compressed supersymmetric scenarios 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, 2 Jul 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 052008.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 20 fb-1 of √s= 8 TeV proton-proton collision data 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., Løvschall-Jensen, A. E., Galster, G. A. G. K., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 2 Jul 2014, In: Journal of High Energy Physics (Online). 2014, 103, 1409.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure 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., 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, 3 Jul 2014, In: New Journal of Physics. 16, 113013.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Observation of an Excited Meson State 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., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W. & 3 others, Pedersen, L. E., Galster, G. A. G. K. & Wiglesworth, Graig, 3 Jul 2014, In: Physical Review Letters. 113, 212004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Flavor tagged time-dependent angular analysis of the Bs→J/ψΦ decay and extraction of ΔΓs and the weak phase Φs in ATLAS

    Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abdel Khalek, S., 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, 7 Jul 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 052007.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton 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., Galster, G. A. G. K., Jørgensen, M. D., Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A. & 3 others, Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 9 Jul 2014, In: European Physical Journal C. 74, 3134.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Measurement of differential production cross-sections for a Z boson in association with b-jets in 7 TeV proton-proton collisions with the ATLAS detector

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Dam, M., Hansen, J. B., Hansen, J. D., 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, 14 Jul 2014, In: Journal of High Energy Physics (Online). 2014, 141, 1410.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton-proton collision data

    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Dam, M., Hansen, J. B., Hansen, J. D., 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. & 2 others, Pedersen, L. E. & Wiglesworth, Graig, 15 Jul 2014, In: European Physical Journal C. 74, 34 p., 3130.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Measurements of fiducial and differential cross sections for Higgs boson production in the diphoton decay channel at √s=8 TeV with ATLAS

    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., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W. & 3 others, Pedersen, L. E., Wiglesworth, Graig & Galster, G. A. G. K., 16 Jul 2014, In: Journal of High Energy Physics (Online). 2014, 112, 1409.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Measurements of spin correlation in top-antitop quark events from proton-proton collisions at √s=7 TeV using 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., 16 Jul 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 90, 112016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Electron and photon energy calibration with the ATLAS detector using LHC Run 1 data

    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., 18 Jul 2014, In: The European Physical Journal C: Particles and Fields. 74, 3071.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582