Stefania Xella
Associate Professor, Guest Researcher
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Search for displaced vertices of oppositely charged leptons from decays of long-lived particles 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., Alonso Diaz, A., Bajic, M., hqz214, H., Camplani, A., Dam, M., Hansen, P. H., Hansen, J. B., Hansen, J. D. & 8 others, , 10 Feb 2020, In: Physics Letters B. 801, 21 p., 135114.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states 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., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D., Hansen, J. B., Ignazzi, R., Monk, J. W., Petersen, T. C., Wiglesworth, G. & 3 others, , 7 Apr 2020, In: Physical Review D. 101, 7, 32 p., 072001.Research output: Contribution to journal › Journal article › Research › peer-review
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Search for flavour-changing neutral currents in processes with one top quark and a photon using 81 fb(-1) of pp collisions at root s=13 TeV with the ATLAS experiment
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., Bajic, M., Camplani, A., Dam, M., Galster, G. A. G. K., hqz214, H., Hansen, J. B., Hansen, P. H. & 7 others, , 10 Jan 2020, In: Physics Letters B. 800, 21 p., 135082.Research output: Contribution to journal › Journal article › Research › peer-review
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Combination of the W boson polarization measurements in top quark decays using ATLAS and CMS data at root s=8 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., Acharya, B. S., Alonso Diaz, A., Camplani, A., hqz214, H., Dam, M., Galster, G. A. G. K., Hansen, P. H., Hansen, J. D. & 9 others, , 12 Sep 2020, In: Journal of High Energy Physics (Online). 2020, 8, 67 p., 051.Research output: Contribution to journal › Journal article › Research › peer-review
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Dijet Resonance Search with Weak Supervision Using root S=13 TeV pp Collisions in 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., Achkar, B., Alonso Diaz, A., Camplani, A., Dam, M., Galster, G. A. G. K., Hansen, J. B., Hansen, P. H. & 9 others, , 21 Sep 2020, In: Physical Review Letters. 125, 13, 23 p., 131801.Research output: Contribution to journal › Journal article › Research › peer-review
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Constraints on Higgs boson production with large transverse momentum using H -> b(b)over-bar decays in 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. B., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, , 11 May 2022, In: Physical Review D. 105, 9, 37 p., 092003.Research output: Contribution to journal › Journal article › Research › peer-review
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Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment
Aad, G., Abbott, B., Abbott, DC., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, , 10 Aug 2023, In: Physics Letters B. 843, 21 p., 137848.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measurement of the B0s → μμ effective lifetime 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, Jørn Dines, Hansen, Jørgen Beck, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 28 Sep 2023, In: Journal of High Energy Physics (Online). 2023, 09, 32 p., 199.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measurements of W+W- production in decay topologies inspired by searches for electroweak supersymmetry
Aad, G., Abbott, B., Abbott, DC., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Acharya, B. S., Dam, M., Camplani, A., Hansen, J. D., Hansen, P. H., Hansen, J. B., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, , 10 Aug 2023, In: European Physical Journal C. 83, 8, 29 p., 718.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measurement of exclusive pion pair production in proton-proton collisions at √s=7 TeV with the ATLAS detector
Aad, G., Abbott, B., Abbott, D., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Hansen, Jørn Dines, Camplani, Alessandra, Hansen, Jørgen Beck, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 2023, In: European Physical Journal C. 83, 7, 28 p., 627.Research output: Contribution to journal › Journal article › Research › peer-review
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Measurements of differential cross sections of Higgs boson production through gluon fusion in the H → W W* → eνμν final state at √s = 13 TeV with the ATLAS detector
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, Peter Henrik, Hansen, Jørgen Beck, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 27 Jul 2023, In: European Physical Journal C. 83, 9, 40 p., 774.Research output: Contribution to journal › Journal article › Research › peer-review
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Search for leptoquarks decaying into the bt final state in pp collisions at √s=13 TeV with the ATLAS detector
Aad, G., Abbott, B., Abbott, D., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Camplani, Alessandra, Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Petersen, Troels Christian, Ignazzi, R., Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 2 Oct 2023, In: Journal of High Energy Physics (Online). 2023, 10, 55 p., 001.Research output: Contribution to journal › Journal article › Research › peer-review
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Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC
Aad, G., Abbott, B., Abbott, D., Abeling, K., 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., 2023, In: Journal of Instrumentation. 18, 61 p., T11004.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Search for pair-production of vector-like quarks in pp collision events at √s=13 TeV with at least one leptonically decaying Z boson and a third-generation quark with the ATLAS detector
Aad, G., Abbott, B., Abbott, D., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Camplani, Alessandra, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 10 Aug 2023, In: Physics Letters B. 843, 25 p., 138019.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New techniques for jet calibration 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, Jørn Dines, Hansen, Jørgen Beck, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 29 Aug 2023, In: European Physical Journal C. 83, 8, 41 p., 761.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Search for a new scalar resonance in flavour-changing neutral-current top-quark decays t → qX (q = u, c), with X → b(b)over-bar, in proton-proton collisions at √s=13 TeV with the ATLAS detector
Aad, G., Abbott, B., Abbott, D. C., Abeling, K., Abidi, S. H., Aboulhosn, J. 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., 26 Jul 2023, In: Journal of High Energy Physics (Online). 2023, 07, 51 p., 199.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Evidence of off-shell Higgs boson production from ZZ leptonic decay channels and constraints on its total width with the ATLAS detector
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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 5 Oct 2023, In: Physics Letters B. 846, 29 p., 138223.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Observation of four-top-quark production in the multilepton final state 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, J. B., Hansen, P. H., Hansen, J. D., Ignazzi, R., Petersen, T. C., Wiglesworth, G., Xella, S. & 1 others, , 12 Jun 2023, In: European Physical Journal C. 83, 6, 35 p., 496.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measurement of the production of a W boson in association with a charmed hadron in pp collisions at √s=13 TeV with the ATLAS detector
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, Peter Henrik, Hansen, Jørn Dines, Hansen, Jørgen Beck, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS, A., 14 Aug 2023, In: Physical Review D. 108, 3, 54 p., 032012.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Determination of the strong coupling constant from transverse energy-energy correlations in multijet events at √s= 13 TeV with the ATLAS detector
Aad, G., Abbott, B., Abeling, K., Abidi, S. H., Aboulhorma, A., Abramowicz, H., Abreu, H., Abulaiti, Y., Abusleme Hoffman, A. C., Dam, Mogens, Camplani, Alessandra, Hansen, Jørn Dines, Hansen, Peter Henrik, Hansen, Jørgen Beck, Ignazzi, R., Wiglesworth, Graig, Petersen, Troels Christian, Xella, Stefania & ATLAS Collaboration, A. C., 11 Jul 2023, In: Journal of High Energy Physics. 2023, 07, 54 p., 85.Research output: Contribution to journal › Journal article › Research › peer-review
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Measurement of single top-quark production in association with a W boson in the single-lepton channel at root s=8 TeV 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, Hansen, Jørgen Beck, Hansen, Peter Henrik, Hansen, Jørn Dines, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 10 Aug 2021, In: European Physical Journal C. 81, 8, 29 p., 720.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- Published
Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at root s=13 TeV
Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., 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., 24 Jun 2021, In: Journal of High Energy Physics (Online). 2021, 6, 54 p., 146.Research output: Contribution to journal › Journal article › Research › peer-review
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Search for dark matter produced in association with a single top quark in root s=13 TeV pp collisions with the ATLAS detector
Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D., Abidi, S. H., AbouZeid, O. S. A., Abraham, N., Abramowicz, H., Camplani, Alessandra, Dam, Mogens, Hansen, Jørgen Beck, Hansen, Jørn Dines, Hansen, Peter Henrik, Ignazzi, R., Petersen, Troels Christian, Wiglesworth, Graig, Xella, Stefania & ATLAS Collaboration, A. C., 19 Oct 2021, In: European Physical Journal C. 81, 10, 37 p., 860.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector
Aad, G., Abbott, B., Abbott, D., Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S. A., Abramowicz, H., Abreu, 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., 26 Nov 2021, In: Journal of High Energy Physics (Online). 2021, 11, 50 p., 209.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 7582
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Measurement of the W-+/- Z boson pair-production cross section in pp collisions at root s=13 TeV with the ATLAS detector
Research output: Contribution to journal › Journal article › Research › peer-review
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The ATLAS Data Acquisition and High Level Trigger system
Research output: Contribution to journal › Journal article › Research › peer-review
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Electron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton-proton collision data
Research output: Contribution to journal › Journal article › Research › peer-review
Published