Anna Kulesza
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View article: Invariant-mass threshold resummation for the production of four top quarks at the LHC
Invariant-mass threshold resummation for the production of four top quarks at the LHC Open
A bstract Using invariant-mass threshold resummation, we compute the invariant-mass distribution and the total cross section for $$ t\overline{t}t\overline{t} $$ production at the LHC with centre-of-mass energy of 13 . 6 TeV at NL…
View article: State-of-the-art cross sections for $t\bar t H$: NNLO predictions matched with NNLL resummation and EW corrections
State-of-the-art cross sections for $t\bar t H$: NNLO predictions matched with NNLL resummation and EW corrections Open
We present new, state-of-the-art predictions for the associated production of the SM Higgs boson with top quarks, computed in accordance with the recommendations of the LHC Higgs Working Group. The NNLO QCD predictions, derived through sui…
View article: Higher-spin effects in black hole and neutron star binary dynamics: worldline supersymmetry beyond minimal coupling
Higher-spin effects in black hole and neutron star binary dynamics: worldline supersymmetry beyond minimal coupling Open
The inclusion of spin effects in the binary dynamics for black hole and neutron stars is crucial for the computation of gravitational wave observables. Worldline supersymmetric models have shown to be particularly efficient at this task up…
View article: Generalized Wilson lines and the gravitational scattering of spinning bodies
Generalized Wilson lines and the gravitational scattering of spinning bodies Open
A bstract A generalization of Wilson line operators at subleading power in the soft expansion has been recently introduced as an efficient building block of gravitational scattering amplitudes for non-spinning objects. The classical limit …
View article: Generalized Wilson lines and the gravitational scattering of spinning bodies
Generalized Wilson lines and the gravitational scattering of spinning bodies Open
A generalization of Wilson line operators at subleading power in the soft expansion has been recently introduced as an efficient building block of gravitational scattering amplitudes for non-spinning objects. The classical limit in this pi…
View article: NNLL-fast 2.0: Coloured sparticle production at the LHC run 3 with $\sqrt{S}$ = 13.6 TeV
NNLL-fast 2.0: Coloured sparticle production at the LHC run 3 with $\sqrt{S}$ = 13.6 TeV Open
We report on updated precision predictions for total cross sections of coloured supersymmetric particle production at the LHC with a centre-of-mass energy of \sqrt{S} = 13.6 TeV, computed with the modern PDF4LHC21 set. The cross sect…
View article: Soft-photon spectra and the Low-Burnett-Kroll theorem
Soft-photon spectra and the Low-Burnett-Kroll theorem Open
The study of next-to-leading-power (NLP) corrections in soft emissions continues to attract interest both in quantum chromodynamics (QCD) and in quantum electrodynamics (QED). Soft-photon spectra in particular provide a clean case-study fo…
View article: Soft gluon resummation for the production of four top quarks at the LHC
Soft gluon resummation for the production of four top quarks at the LHC Open
We consider the effects of multiple soft gluon emission 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, inclu…
View article: The emission of soft-photons and the LBK theorem, revisited
The emission of soft-photons and the LBK theorem, revisited Open
Predictions for processes involving soft photons, up to next-to-leading power (NLP) in the photon energy, can be obtained using the Low-Burnett-Kroll (LBK) theorem. The consistency of the theorem has been a recent topic of investigation si…
View article: Soft-photon spectra and the LBK theorem
Soft-photon spectra and the LBK theorem Open
The study of next-to-leading-power (NLP) corrections in soft emissions continues to attract interest both in QCD and in QED. Soft-photon spectra in particular provide a clean case-study for the experimental verification of the Low-Burnett-…
View article: Threshold Resummation for the Production of Four Top Quarks at the LHC
Threshold Resummation for the Production of Four Top Quarks at the LHC Open
We compute the total cross section for tt[over ¯]tt[over ¯] production at next-to-leading logarithmic (NLL^{'}) accuracy. This is the first time resummation is performed for a hadron-collider process with four colored particles in the fina…
View article: On soft gluon resummation for associated single top production with a Higgs boson at the LHC
On soft gluon resummation for associated single top production with a Higgs boson at the LHC Open
We investigate threshold resummation of soft gluon corrections for the s -channel process of a single top quark production in association with a Higgs boson in the Standard Model. We choose to work in the three-particle invariant mass kine…
View article: Next-to-leading power corrections for soft photon bremsstrahlung
Next-to-leading power corrections for soft photon bremsstrahlung Open
A long-standing discrepancy in the soft photon bremsstrahlung has attracted a renewed attention in view of the proposed measurements with a future upgrade of the ALICE detector in the upcoming runs of the LHC. We discuss the possibility to…
View article: Threshold resummation for the production of four top quarks at the LHC
Threshold resummation for the production of four top quarks at the LHC Open
We compute the total cross section for $t\bar{t}t\bar{t}$ production at next-to-leading logarithmic (NLL$^{\prime}$) accuracy. This is the first time resummation is performed for a hadron-collider process with four colored particles in the…
View article: A Wilson line approach to classical and quantum effects in gravitational scattering
A Wilson line approach to classical and quantum effects in gravitational scattering Open
The all-order structure of scattering amplitudes is greatly simplified by the use of (generalized) Wilson line operators, describing (subleading) soft emissions from straight lines extending to infinity. We discuss how these techniques, or…
View article: Absolute-mass threshold resummation for the production of four top quarks
Absolute-mass threshold resummation for the production of four top quarks Open
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 c…
View article: Scalar leptoquarks at the LHC and flavour anomalies: a comparison of pair-production modes at NLO-QCD
Scalar leptoquarks at the LHC and flavour anomalies: a comparison of pair-production modes at NLO-QCD Open
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 product…
View article: Precision predictions for scalar leptoquark pair production at the LHC
Precision predictions for scalar leptoquark pair production at the LHC Open
We present precision predictions for scalar leptoquark pair production at the LHC. Apart from QCD contributions, included are the lepton $t$-channel exchange diagrams relevant in the light of the recent $B$-flavour anomalies. All contribut…
View article: Classical and quantum gravitational scattering with Generalized Wilson Lines
Classical and quantum gravitational scattering with Generalized Wilson Lines Open
A bstract The all-order structure of scattering amplitudes is greatly simplified by the use of Wilson line operators, describing eikonal emissions from straight lines extending to infinity. A generalization at subleading powers in the eiko…
View article: Soft Gluon Resummation for the Associated Single Top and Higgs Production at the LHC
Soft Gluon Resummation for the Associated Single Top and Higgs Production at the LHC Open
We study the effects of soft gluon resummation on the $s$-channel $pp\rightarrow Htj$ cross section at the LHC. We perform resummation in the invariant mass threshold at next-to-leading-logarithmic accuracy (NLL), additionally including $\…
View article: On soft gluon resummation for associated single top production with a Higgs boson at the LHC
On soft gluon resummation for associated single top production with a Higgs boson at the LHC Open
We investigate threshold resummation of soft gluon corrections for the s-channel process of a single top quark production in association with a Higgs boson in the Standard Model. We choose to work in the three-particle invariant mass kinem…
View article: Double parton scattering in four-jet production in proton-proton collisions at the LHC
Double parton scattering in four-jet production in proton-proton collisions at the LHC Open
We study the contribution from double parton scattering (DPS) to four-jet production at the LHC, both at the leading order accuracy and after incorporating the effects of QCD radiation. Apart from DPS, we also include and discuss the contr…
View article: Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies
Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies Open
We comprehensively examine precision predictions for scalar leptoquark pair production at the LHC. In particular, we investigate the impact of lepton $t$-channel exchange diagrams that are potentially relevant in the context of leptoquark …
View article: Associated top quark pair production with a heavy boson: differential cross sections at NLO + NNLL accuracy
Associated top quark pair production with a heavy boson: differential cross sections at NLO + NNLL accuracy Open
We present theoretical predictions for selected differential cross sections for the process $$pp \rightarrow t {\bar{t}}B$$ at the LHC, where B can be a Higgs ( H ), a Z or a W boson. The predictions are calculated in the direct QCD frame…
View article: Precision predictions for scalar leptoquark pair-production at hadron colliders
Precision predictions for scalar leptoquark pair-production at hadron colliders Open
We revisit scalar leptoquark pair-production at hadron colliders and significantly improve the level of precision of the cross section calculations. Apart from QCD contributions, we include lepton t-channel exchange diagrams that turn out …
View article: Associate production of a $H, W or Z$ with a $t\bar{t}$ pair at the LHC: theoretical predictions at NLO+NNLL
Associate production of a $H, W or Z$ with a $t\bar{t}$ pair at the LHC: theoretical predictions at NLO+NNLL Open
In this talk we review the status of the theoretical prediction for the associate production of top-antitop quark pairs with a heavy boson (Higgs, W, Z) at the LHC. In particular, we focus on recent calculations of the resummed cross secti…
View article: Associated top-pair production with a heavy boson production through NLO+NNLL accuracy at the LHC
Associated top-pair production with a heavy boson production through NLO+NNLL accuracy at the LHC Open
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 dir…