Stefania Xella

Stefania Xella

Associate Professor, Guest Researcher

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    ORCID: 0000-0002-0988-1655

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    1. Published

      Reconstruction of primary vertices at the ATLAS experiment in Run 1 proton-proton collisions at the LHC

      Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adams, D. L., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H. & 15 others, Petersen, Troels Christian, Thomsen, L. A., Alonso Diaz, A., Monk, J. W., Wiglesworth, Graig, Pedersen, L. E., Besjes, G., Stark, S. H., Galster, G. A. G. K., Løvschall-Jensen, A. E., Thiele, F. A. J., de Almeida Dias, F., Bajic, M., Barr, J. & Zhu, H., 19 May 2017, In: European Physical Journal C. 77, 5, 332.

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

    2. Published

      Resolution of the ATLAS muon spectrometer monitored drift tubes in LHC Run 2

      ATLAS, A., 16 Sep 2019, In: Journal of Instrumentation. 14, 36 p., P09011.

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

    3. Published

      Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions 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., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y. & 17 others, Agatonovic-Jovin, T., Aguilar-Saavedra, J. A., Hansen, Peter Henrik, Dam, Mogens, Monk, J. W., Thiele, F. A. J., Petersen, Troels Christian, Hansen, Jørn Dines, Besjes, G., Stark, S. H., Galster, G. A. G. K., Alonso Diaz, A., Bajic, M., de Almeida Dias, F., Wiglesworth, Graig, Hansen, Jørgen Beck & Xella, Stefania, 1 Feb 2018, In: Physical Review D. 97, 3, 28 p., 032003.

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

    4. Published

      Search for B-L R -parity-violating top squarks in s√ =13 TeV pp collisions 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., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y. & 21 others, Agatonovic-Jovin, T., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., Aielli, G., Alonso Diaz, A., Bajic, M., Besjes, G., Dam, Mogens, Galster, G. A. G. K., Hansen, Jørgen Beck, Monk, J. W., Hansen, Peter Henrik, Hansen, Jørn Dines, de Almeida Dias, F., Petersen, Troels Christian, hqz214, H., Stark, S. H., Wiglesworth, Graig & Xella, Stefania, 6 Feb 2018, In: Physical Review D. 97, 3, 28 p., 032003.

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

    5. Published

      Search for Dark Matter Candidates and Large Extra Dimensions in Events with a Photon and Missing Transverse Momentum in pp Collision Data 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., Boelaert, N. M. P., Jørgensen, M. D., Klinkby, E. B., Løvschall-Jensen, A. E., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian & Xella, Stefania, 3 Jan 2013, In: Physical Review Letters. 110, 1, 011802.

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

    6. Published

      Search for Dark Matter Produced in Association with a Dark Higgs Boson Decaying into W±W∓ or ZZ in Fully Hadronic Final States from √s ​=13 TeV pp Collisions Recorded with the ATLAS Detector

      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., Abulaiti, Y., Camplani, A., Dam, M., Hansen, P. H., Hansen, J. B., Hansen, J. D., Ignazzi, R., Monk, J. W., hqz214, H. & 6 others, Stark, S. H., Wiglesworth, Graig, Petersen, Troels Christian, Galster, G. A. G. K., Xella, Stefania & ATLAS Collaboration, A. C., 26 Mar 2021, In: Physical Review Letters. 126, 12, 21 p., 121802.

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

    7. Published

      Search for Dark Matter Produced in Association with a Higgs Boson Decaying to b(b)over-bar Using 36 fb(-1) of pp Collisions at root s=13 TeV with the ATLAS Detector

      Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Affolder, A. A., Dam, M. & 16 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, 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., 1 Nov 2017, In: Physical Review Letters. 119, 18, 181804.

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

    8. Published

      Search for Dark Matter in Events with Missing Transverse Momentum and a Higgs Boson Decaying to Two Photons in pp Collisions at root s=8 TeV with the ATLAS Detector

      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., 22 Sep 2015, In: Physical Review Letters. 115, 13, 131801.

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

    9. Published

      Search for Dark Matter in Events with a Hadronically Decaying W or Z Boson and Missing Transverse Momentum in pp Collisions at root s=8 TeV with the ATLAS Detector

      Aad, A., Abajyan, T., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., 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. & 6 others, Pingel, A. M., Løvschall-Jensen, A. E., Alonso Diaz, A., Monk, J. W., Pedersen, L. E. & Wiglesworth, Graig, 29 Jan 2014, In: Physical Review Letters. 112, 4, 041802.

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

    10. Published

      Search for Dark Photons in Rare Z Boson Decays 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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 18 Dec 2023, In: Physical Review Letters. 131, 25, 23 p., 251801.

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

    11. Published

      Search for Dilepton Resonances in pp Collisions at root s 7 TeV with the ATLAS Detector

      Aad..[et al.], G., Abbott, B., Abdallah, J., Dam, Mogens, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, John Renner, Hansen, Peter Henrik, Jørgensen, M. D., Klinkby, E. B., Petersen, Troels Christian, Xella, Stefania, Boelaert, N. M. P. & Kittelmann, T. H., 29 Dec 2011, In: Physical Review Letters. 107, 27, p. 272002

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

    12. Published

      Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector

      Aad [et al..], G., Dam, Mogens, Hansen, John Renner, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Jørgensen, M. D., Klinkby, E. B., Petersen, Troels Christian, Xella, Stefania, Kittelmann, T. H. & Boelaert, N. M. P., 23 Mar 2011, In: Physical Review Letters. 106, 12, p. 121803 19 p.

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

    13. Published

      Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in root s=7 TeV pp Collisions Using 4.7 fb-1 of ATLAS Data

      Aad, G., 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, Xella, Stefania & Løvschall-Jensen, A. E., 20 Nov 2012, In: Physical Review Letters. 109, 21, p. 211803 18 p.

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

    14. Published

      Search for Displaced Leptons in root s=13 TeV pp Collisions with the ATLAS Detector

      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, Ignazzi, R., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 27 Jul 2021, In: Physical Review Letters. 127, 5, 21 p., 051802.

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

    15. Published

      Search for FCNC single top-quark production at sqrt(s) = 7 TeV with the ATLAS detector

      Aad, G., Dam, Mogens, Boelaert, N. M. P., Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, John Renner, Hansen, Jørn Dines, Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Nilsson, B. S., Petersen, Troels Christian, Xella, Stefania & Løvschall-Jensen, A. E., 12 Jun 2012, In: Physics Letters B. 712, 4-5, p. 351-369

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

    16. Published

      Search for Heavy Higgs Bosons A/H Decaying to a Top Quark Pair in pp Collisions at root s=8 TeV with the ATLAS Detector

      Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J. P., Adersberger, M., Adye, T., Affolder, A. A., Dam, M. & 15 others, Hansen, Jørn Dines, Hansen, Jørgen Beck, Xella, Stefania, Hansen, Peter Henrik, 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., 9 Nov 2017, In: Physical Review Letters. 119, 19, 191803.

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

    17. Published

      Search for Heavy Higgs Bosons Decaying into Two Tau Leptons with the ATLAS Detector Using pp Collisions at root s=13 TeV

      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., Camplani, A., Dam, M., hqz214, H., Hansen, J. B., Hansen, J. D., Hansen, P. H., Ignazzi, R. & 7 others, Galster, G. A. G. K., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 27 Jul 2020, In: Physical Review Letters. 125, 5, 22 p., 051801.

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

    18. Published

      Search for Heavy Neutral Leptons in Decays of W Bosons Using a Dilepton Displaced Vertex in √s=13  TeV pp Collisions with the ATLAS Detector

      Aad, G., Abbott, B., Abbott, D. C., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Camplani, Alessandra, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 7 Aug 2023, In: Physical Review Letters. 131, 6, 23 p., 061803.

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

    19. Published

      Search for Heavy Resonances Decaying into a Photon and a Hadronically Decaying Higgs Boson in pp Collisions at root s=13 TeV with the ATLAS Detector

      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., Abulaiti, Y., Acharya, B. S., Achkar, B., Adam, L., Camplani, A., Dam, M., Galster, G. A. G. K., hqz214, H., Hansen, J. B. & 9 others, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 18 Dec 2020, In: Physical Review Letters. 125, 25, 20 p., 251802.

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

    20. Published

      Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector

      Aaboud, M., Aad, G., Abbott, B., Abbott, DC., Abdinov, O., Abud, AA., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, S., Adam, L., Alonso Diaz, A., Camplani, A., Dam, M., Bajic, M. & 12 others, Galster, G. A. G. K., Hansen, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, hqz214, H., Ignazzi, R., Monk, J. W., Petersen, Troels Christian, Stark, S. H., Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 25 Nov 2020, In: Physical Review Letters. 125, 22, 22 p., 221802.

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

    21. Published

      Search for Higgs Boson Pair Production in the gamma gamma b(b)over-bar Final State Using pp Collision Data at root s=8 TeV from 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., 26 Feb 2015, In: Physical Review Letters. 114, 8, 081802.

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

    22. Published

      Search for Higgs and Z Boson Decays to J/psi gamma and Upsilon(nS)gamma 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., 26 Mar 2015, In: Physical Review Letters. 114, 12, 121801.

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

    23. Published

      Search for Higgs and Z Boson Decays to phi gamma with the ATLAS Detector

      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., 6 Sep 2016, In: Physical Review Letters. 117, 11, 11802.

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

    24. Published

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

      ATLAS, A., 10 Mar 2019, In: Physics Letters B. 790, p. 22-34 21 p.

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

    25. 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

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