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Differential cross-section measurements of coherent production of singly and doubly resonant top-quark in WWbb events with one lepton at s=13 TeV with the ATLAS detector.

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Τίτλος: Differential cross-section measurements of coherent production of singly and doubly resonant top-quark in WWbb events with one lepton at s=13 TeV with the ATLAS detector.
Συγγραφείς: Aad, G., Aakvaag, E., Abbott, B., Abdelhameed, S., Abeling, K., Abicht, N. J., Abidi, S. H., Aboelela, M., Aboulhorma, A., Abramowicz, H., Abulaiti, Y., Acharya, B. S., Ackermann, A., Adam Bourdarios, C., Adamczyk, L., Addepalli, S. V., Addison, M. J., Adelman, J., Adiguzel, A., Adye, T.
Πηγή: Journal of High Energy Physics; Jul2026, Vol. 2026 Issue 7, p1-59, 59p
Περίληψη: This paper presents differential cross-section measurements of events containing a charged lepton, missing transverse momentum, two b-jets, and two light jets, consistent with the W + W − b b ¯ final state. The analysis is based on 140 fb−1 of proton-proton collision data at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider (2015–2018). Differential cross-sections are unfolded at particle level for a range of kinematic observables and in three kinematic regions. Both regions and observables are optimised for sensitivity to the interference between W + W − b b ¯ produced with singly and doubly resonant top quarks. Results are compared with various theoretical predictions and deviations are observed in regions sensitive to the interference between singly and doubly resonant top-quark production. The unfolded results provide new information about the modelling of interference and off-shell effects of the W + W − b b ¯ final state, improving the understanding of top-quark production mechanisms and providing new inputs for future Monte Carlo generator development. [ABSTRACT FROM AUTHOR]
Copyright of Journal of High Energy Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  – Url: https://dx.doi.org/doi:10.1007/JHEP07%282026%29028
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  Data: Differential cross-section measurements of coherent production of singly and doubly resonant top-quark in WWbb events with one lepton at s=13 TeV with the ATLAS detector.
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  Data: Journal of High Energy Physics; Jul2026, Vol. 2026 Issue 7, p1-59, 59p
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  Data: This paper presents differential cross-section measurements of events containing a charged lepton, missing transverse momentum, two b-jets, and two light jets, consistent with the W + W − b b ¯ final state. The analysis is based on 140 fb<superscript>−1</superscript> of proton-proton collision data at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider (2015–2018). Differential cross-sections are unfolded at particle level for a range of kinematic observables and in three kinematic regions. Both regions and observables are optimised for sensitivity to the interference between W + W − b b ¯ produced with singly and doubly resonant top quarks. Results are compared with various theoretical predictions and deviations are observed in regions sensitive to the interference between singly and doubly resonant top-quark production. The unfolded results provide new information about the modelling of interference and off-shell effects of the W + W − b b ¯ final state, improving the understanding of top-quark production mechanisms and providing new inputs for future Monte Carlo generator development. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of High Energy Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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