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1.
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Absolute-mass threshold resummation for the production of four top quarks
/ van Beekveld, Melissa (Oxford U., Theor. Phys.) ; Kulesza, Anna (CERN ; Munster U., ITP) ; Moreno Valero, Laura (Munster U., ITP)
We study the effects of soft gluon resummation in the absolute mass threshold limit for the production of four top quarks at the LHC. We obtain predictions for the cross section at next-to-leading logarithmic (NLL) accuracy, additionally considering $\mathcal{O}(\alpha_s)$ non-logarithmic contributions that do not vanish at threshold. [...]
2022 - 6 p.
- Published in : PoS: ICHEP2022, pp. 881
Fulltext: PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.881
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Scalar leptoquarks at the LHC and flavour anomalies: a comparison of pair-production modes at NLO-QCD
/ Borschensky, Christoph (KIT, Karlsruhe, TP) ; Fuks, Benjamin (Paris, LPTHE) ; Jueid, Adil (Korea Inst. Advanced Study, Seoul) ; Kulesza, Anna (Munster U., ITP ; CERN)
We analyse scalar leptoquark pair production at the LHC with predictions including $t$-channel lepton exchange contributions up to next-to-leading order (NLO) in QCD. In particular, we calculate NLO-QCD predictions for off-diagonal production channels, {\it i.e.} channels that involve two different leptoquark eigenstates and are driven solely by diagrams involving Standard Model leptons in the $t$-channel at leading order, as opposed to diagonal channels where a pair of the same leptoquark eigenstate is produced. [...]
arXiv:2207.02879; KIAS-Q22010; CTPU-PTC-22-24; CERN-TH-2022-106; KA-TP-17-2022; MS-TP-22-18.-
2022-11-02 - 35 p.
- Published in : JHEP 11 (2022) 006
Fulltext: document - PDF; 2207.02879 - PDF;
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4.
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5.
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Associated top-pair production with a heavy boson production through NLO+NNLL accuracy at the LHC
/ Kulesza, Anna (Munster U., ITP) ; Motyka, Leszek (Jagiellonian U.) ; Schwartländer, Daniel (Munster U., ITP) ; Stebel, Tomasz (Cracow, INP) ; Theeuwes, Vincent (Gottingen U.)
In this talk we present results of our recent calculations of cross sections and distributions for the associate production of top-antitop quark pairs with a heavy boson (Higgs, W, Z) at the LHC, obtained using threshold resummation in direct QCD, i.e. in the Mellin-space approach..
arXiv:1905.07815.-
ARISF, 2019 - 4 p.
- Published in : , pp. 39-42
Fulltext: PDF;
In : 54th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 23 - 30 Mar 2019, pp.39-42
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Report from Working Group 3 : Beyond the Standard Model physics at the HL-LHC and HE-LHC
/ Cid Vidal, Xabier (Santiago de Compostela U., IGFAE) ; D'Onofrio, Monica (Liverpool U.) ; Fox, Patrick J (Fermilab) ; Torre, Riccardo (CERN ; INFN, Genoa) ; Ulmer, Keith A (Colorado U.) ; Aboubrahim, Amin (Northeastern U.) ; Albert, Andreas (RWTH Aachen U.) ; Alimena, Juliette (Ohio State U., Columbus (main)) ; Allanach, Benjamin C (Cambridge U., DAMTP) ; Alpigiani, Cristiano (Washington U., Seattle) et al.
This is the third out of five chapters of the final report [1] of the Workshop on Physics at HL-LHC, and perspectives on HE-LHC [2]. It is devoted to the study of the potential, in the search for Beyond the Standard Model (BSM) physics, of the High Luminosity (HL) phase of the LHC, defined as $3$ ab$^{-1}$ of data taken at a centre-of-mass energy of 14 TeV, and of a possible future upgrade, the High Energy (HE) LHC, defined as $15$ ab$^{-1}$ of data at a centre-of-mass energy of 27 TeV. [...]
arXiv:1812.07831; CERN-LPCC-2018-05.-
Geneva : CERN, 2019-12-02 - 281 p.
- Published in : CERN Yellow Rep. Monogr. 7 (2019) 585-865
Fulltext: PDF; arXiv: PDF; External link: Published Fulltext
In : HL/HE-LHC Workshop : Workshop on the Physics of HL-LHC, and Perspectives at HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018
Report on the Physics at the HL-LHC, and Perspectives for the HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018, pp.585-865
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7.
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Squark and gluino production cross sections in pp collisions at $\sqrt{s}$ = 13, 14, 33 and 100 TeV
/ Borschensky, Christoph (Munster U., ITP) ; Krämer, Michael (RWTH Aachen U.) ; Kulesza, Anna (Munster U., ITP) ; Mangano, Michelangelo (CERN) ; Padhi, Sanjay (UC, San Diego) ; Plehn, Tilman (U. Heidelberg, ITP) ; Portell, Xavier (CERN)
We present state-of-the-art cross section predictions for the production of supersymmetric squarks and gluinos at the upcoming LHC run with a centre-of-mass energy of $\sqrt{s} = 13$ and $14$ TeV, and at potential future $pp$ colliders operating at $\sqrt{s} = 33$ and $100$ TeV. The results are based on calculations which include the resummation of soft-gluon emission at next-to-leading logarithmic accuracy, matched to next-to-leading order supersymmetric QCD corrections. [...]
arXiv:1407.5066; MS-TP-14-25; CERN-PH-TH-2014-137; TTK-14-13; MS-TP-14-25; CERN-PH-TH-2014-137.-
2014-12-04 - 22 p.
- Published in : Eur. Phys. J. C 74 (2014) 3174
Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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8.
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Supersymmetry production cross sections in pp collisions at sqrt{s} = 7 TeV
/ Krämer, Michael (RWTH Aachen U.) ; Kulesza, Anna (Munster U., ITP) ; van der Leeuw, Robin (Vrije U., Amsterdam) ; Mangano, Michelangelo (CERN) ; Padhi, Sanjay (San Diego U.) ; Plehn, Tilman (Heidelberg U.) ; Portell, Xavier (CERN)
This document emerged from work that started in January 2012 as a joint effort by the ATLAS, CMS and LPCC supersymmetry (SUSY) working groups to compile state-of-the-art cross section predictions for SUSY particle production at the LHC. [...]
arXiv:1206.2892 ; CERN-PH-TH-2012-163.
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2012.
Preprint
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Supersymmetric top and bottom squark production at hadron colliders
/ Beenakker, Wim (Nijmegen U., IMAPP) ; Brensing, Silja (Aachen, Tech. Hochsch. ; NIKHEF, Amsterdam) ; Kramer, Michael (CERN ; Aachen, Tech. Hochsch.) ; Kulesza, Anna (Aachen, Tech. Hochsch.) ; Laenen, Eric (Amsterdam U. ; Utrecht U. ; NIKHEF, Amsterdam) ; Niessen, Irene (Nijmegen U., IMAPP)
The scalar partners of top and bottom quarks are expected to be the lightest squarks in supersymmetric theories, with potentially large cross sections at hadron colliders. We present predictions for the production of top and bottom squarks at the Tevatron and the LHC, including next-to-leading order corrections in supersymmetric QCD and the resummation of soft gluon emission at next-to-leading-logarithmic accuracy. [...]
arXiv:1006.4771; CERN-PH-TH-2010-142.-
2010 - 29 p.
- Published in : JHEP 08 (2010) 098
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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