Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher


  1. Published

    Search for a Supersymmetric Partner to the Top Quark in Final States with Jets and Missing Transverse Momentum at root s=7 TeV with the ATLAS Detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Boelaert, N. M. P., Mehlhase, S., Klinkby, E. B., Petersen, Troels Christian, Nilsson, B. S., Xella, Stefania & Løvschall-Jensen, A. E., 22 Nov 2012, In: Physical Review Letters. 109, 21, p. 211802 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Search for a Structure in the B-s(0) pi(+/-) Invariant Mass Spectrum with the ATLAS Experiment

    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. & 18 others, Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., 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., Bajic, M., Besjes, G., Thiele, F. A. J. & de Almeida Dias, F., 18 May 2018, In: Physical Review Letters. 120, 20, 202007.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector

    Aad, G., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Jørgensen, M. D., Hansen, Jørn Dines, Løvschall-Jensen, A. E., Boelaert, N. M. P., Heisterkamp, S. J. F., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 22 Nov 2012, In: Physics Letters B. 717, 1-3, p. 70-88

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Search for a Standard Model Higgs Boson in the H¿ZZ¿l+l- ¿¿¯ Decay Channel with the ATLAS Detector

    Aad...[et al.], G., Abbott, B., Abdallah, J., Dam, Mogens, Hansen, Jørn Dines, Hansen, Jørgen Beck, Hansen, John Renner, Hansen, Peter Henrik, Jørgensen, M. D., Klinkby, E. B., Petersen, Troels Christian & Xella, Stefania, 22 Nov 2011, In: Physical Review Letters. 107, 22, p. 221802

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Search for a Light Higgs Boson Decaying to Long-Lived Weakly Interacting Particles in Proton-Proton Collisions at vs=7¿¿TeV with the ATLAS Detector

    Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Heisterkamp, S. J. F., Jørgensen, M. D., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 19 Jun 2012, In: Physical Review Letters. 108, 25, p. 251801 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Search for a Charged Higgs Boson Produced in the Vector-Boson Fusion Mode with Decay H-+/- -> W(+/-)Z using pp Collisions at root S=8 TeV with the ATLAS Experiment

    Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., 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., 9 Jun 2015, In: Physical Review Letters. 114, 23, 231801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Search for a CP-odd Higgs boson decaying to Zh in pp 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., 11 May 2015, In: Physics Letters B. 744, p. 163-183

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Search for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a Z boson in the l+l-t(t)over-bar and ν(ν)over-barb(b)over-bar final states using 140 fb-1 of data collected 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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Wiglesworth, Graig, Petersen, Troels Christian, Xella, Stefania & ATLAS, A., 26 Feb 2024, In: Journal of High Energy Physics. 2024, 02, 56 p., 197.

    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

    Search for WW/WZ resonance production in lvqq final states in pp collisions at root s=13 TeV with the ATLAS detector

    Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., 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., Agatonovic-Jovin, T. & 20 others, Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., Aielli, G., Dam, Mogens, Besjes, G., Galster, G. A. G. K., Alonso Diaz, A., Stark, S. H., Bajic, M., Monk, J. W., Hansen, Jørn Dines, de Almeida Dias, F., Wiglesworth, Graig, Xella, Stefania, Thiele, F. A. J., Hansen, Jørgen Beck, Petersen, Troels Christian & Hansen, Peter Henrik, 8 Mar 2018, In: Journal of High Energy Physics. 2018, 3, 45 p., 042.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Search for WH production with a light Higgs boson decaying to prompt electron-jets in proton-proton collisions at root s=7 TeV with the ATLAS detector

    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., Mehlhase, S., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 8 Apr 2013, In: New Journal of Physics. 15, 043009.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Search for W ' -> tb -> qqbb decays in pp 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., 24 Apr 2015, In: The European Physical Journal C: Particles and Fields. 75, 4, 165.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Search for W ' -> t(b)over-bar in the lepton plus jets final state in proton-proton collisions at a centre-of-mass energy of 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., 9 Apr 2015, In: Physics Letters B. 743, p. 235-255

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Search for TeV-scale gravity signatures in high-mass final states with leptons and jets with the ATLAS detector at root s=13 TeV

    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 Sep 2016, In: Physics Letters B. 760, p. 520-537

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Search for TeV-scale gravity signatures in final states with leptons and jets with the ATLAS detector at root s=7 TeV

    Aad, G., Abbott, B., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Boelaert, N. M. P., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania & Løvschall-Jensen, A. E., 17 Sep 2012, In: Physics Letters B. 716, 1, p. 122-141 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Search for Supersymmetry in Events with Three Leptons and Missing Transverse Momentum in root s=7 TeV pp Collisions with the ATLAS Detector

    Aad, G., Abbott, B., 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., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 29 Jun 2012, In: Physical Review Letters. 108, 26, p. 261804

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Search for Scalar Diphoton Resonances in the Mass Range 65−600 GeV with the ATLAS Detector in pp Collision Data at √s = 8 TeV

    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 Jul 2014, In: Physical Review Letters. 113, 171801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Search for Scalar Charm Quark Pair Production in pp 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, M. A., 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., 22 Apr 2015, In: Physical Review Letters. 114, 16, 161801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Search for Scalar Bottom Quark Pair Production with the ATLAS Detector in pp Collisions at vs=7¿¿TeV

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Jørgensen, M. D., Heisterkamp, S. J. F., Boelaert, N. M. P., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, Troels Christian, Løvschall-Jensen, A. E. & Xella, Stefania, 2 May 2012, In: Physical Review Letters. 108, 18, p. 181802 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Search for SUSY R-Hadrons

    Dam, Mogens, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, John Renner, Klinkby, E. B., Jørgensen, M. D., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 2012, 16 p. Niles Bohr Institute, Københavns Universitet

    Research output: Other contributionResearch

  21. Published

    Search for Resonant and Nonresonant Higgs Boson Pair Production in the b(b)over-bar tau(+) tau(-) Decay Channel in pp 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. & 19 others, Afik, Y., Agheorghiesei, C., 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, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Monk, J. W., Petersen, Troels Christian, Stark, S. H., Thiele, F. A. J., Wiglesworth, Graig & Xella, Stefania, 2018, In: Physical Review Letters. 121, 19, 24 p., 191801.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Search for R-parity-violating supersymmetry in events with four or more leptons in root s=7 TeV pp collisions with the ATLAS detector

    Aad, G., Abajyan, T., Abbott, B., Dam, Mogens, Klinkby, E. B., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, John Renner, Jørgensen, M. D., Heisterkamp, S. J. F., Løvschall-Jensen, A. E., Mehlhase, S., Petersen, Troels Christian, Boelaert, N. M. P., Nilsson, B. S. & Xella, Stefania, 1 Dec 2012, In: Journal of High Energy Physics (Online). 2012, 12, p. 124

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Search for R-parity-violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using root s=13 TeV proton-proton collision data

    Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., 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., 17 Nov 2021, In: European Physical Journal C. 81, 11, 39 p., 1023.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Search for R-parity-violating supersymmetric particles in multi-jet final states produced in p-p collisions at root s=13 TeV using the ATLAS detector at the LHC

    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. & 18 others, Aguilar-Saavedra, J. A., Ahmadov, F., Aielli, G., 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., Wiglesworth, Graig, Petersen, Troels Christian, Thiele, F. A. J., Stark, S. H. & Xella, Stefania, 10 Oct 2018, In: Physics Letters B. 785, p. 136-158 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Search for Production of Resonant States in the Photon-Jet Mass Distribution Using pp Collisions at vs=7¿¿TeV Collected by the ATLAS Detector

    Aad, G., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Boelaert, N. M. P., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Petersen, Troels Christian, Nilsson, B. S., Xella, Stefania & Løvschall-Jensen, A. E., 22 May 2012, In: Physical Review Letters. 108, 21, p. 211802 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 7582