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Measurement of t-ch...
Measurement of t-channel single-top-quark production in pp collisions at s=5.02 TeV with the ATLAS detector
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- Aad, G. (författare)
- CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille; France
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- Leopold, Alexander (författare)
- KTH,Fysik
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- Lundberg, Olof (författare)
- KTH,Fysik
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- Lund-Jensen, Bengt (författare)
- KTH,Fysik
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- Ohm, Christian (författare)
- KTH,Fysik
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- Shaheen, Rabia (författare)
- KTH,Fysik
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- Strandberg, Jonas (författare)
- KTH,Fysik
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- Zwalinski, L. (författare)
- CERN, Geneva; Switzerland
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(creator_code:org_t)
- Elsevier B.V. 2024
- 2024
- Engelska.
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Ingår i: Physics Letters B. - : Elsevier B.V.. - 0370-2693 .- 1873-2445. ; 854
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The observation of the electroweak production of single-top-quarks is made using 255 pb−1 of proton-proton collision data recorded at s=5.02 TeV with the ATLAS detector at the Large Hadron Collider. An event selection is used to identify single-top-quark candidates arising from t-channel production with the top quark decaying semi-leptonically. Events passing the selection are then used to measure the inclusive cross-section for the combined production of single-top-quarks and antiquarks, σ(tq+t¯q), and the ratio Rt between these two. They are measured to be σ(tq+t¯q)=27.1−4.1+4.4(stat.)−3.7+4.4(syst.) pb and Rt=2.73−0.82+1.43(stat.)−0.29+1.01(syst.). The individual single-top-quark (tq) and single-top-antiquark (t¯q) production cross-sections are measured to be σ(tq)=19.8−3.1+3.9(stat.)−2.2+2.9(syst.) pb and σ(t¯q)=7.3−2.1+3.2(stat.)−1.5+2.8(syst.) pb. All measurements are in good agreement with the Standard Model predictions.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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