47 citations · 195 across the 21 of their papers we have counts for
23 papers
Bound-state production in MadGraph5_aMC@NLO
Alice Colpani Serri, Chris A. Flett, Jean-Philippe Lansberg +3
I present the first implementation in MadGraph5_aMC@NLO for bound-state production, including quarkonium, leptonium, and B(c) mesons within Non-Relativistic Quantum Chromo-Dynamics…
Observables in exclusive heavy quarkonium electroproduction at NLO and prospects for the EIC
Chris A. Flett
We perform various phenomenological studies of exclusive heavy-quarkonium electroproduction in collisions that are relevant for both the existing measurements from HERA and th…
Low- parton densities accounting for absorptive effects and exclusive and data from the LHC
V. Bertone, C. A. Flett, A. D. Martin +1
Based on the combined Deep-Inelastic Scattering (DIS) data from HERA and the exclusive and cross sections measured at the LHC, we investigate the role of absorptive corre…
Phenomenological studies of exclusive heavy-quarkonium electroproduction at NLO
Chris A. Flett
Using the next-to-leading order (NLO) coefficient functions for exclusive electroproduction of heavy vector mesons derived in our previous work, we perform various phenomenological…
Exclusive vector-quarkonium photoproduction at NLO in alpha_s in collinear factorisation with evolution of the generalised parton distributions and high-energy resummation
C. A. Flett, J. P. Lansberg, S. Nabeebaccus +3
We perform the first complete one-loop study of exclusive photoproduction of vector quarkonia off protons in Collinear Factorisation (CF) including the scale evolution of the Gener…
A method to include exclusive heavy vector-meson production data at small in global parton analyses
C. A. Flett, A. D. Martin, M. G. Ryskin +1
We propose a method which allows the inclusion of exclusive heavy vector-meson production data at low in future global parton analyses. As an example we perform a study within…
QCD challenges from pp to AA collisions -- 4th edition
Javira Altmann, Carlota Andres, Anton Andronic +57
This paper is a write-up of the ideas that were presented, developed and discussed at the fourth International Workshop on QCD Challenges from pp to AA, which took place in Februar…
Exclusive quarkonium photoproduction in + UPCs at the LHC in NLO pQCD
Kari J. Eskola, Christopher A. Flett, Vadim Guzey +2
We present the first study of coherent exclusive quarkonium (, ) photoproduction in ultraperipheral nucleus-nucleus collisions (UPCs) at the LHC in the framework of colline…
Exclusive heavy vector meson photoproduction on nuclei in NLO perturbative QCD
K. J. Eskola, V. Guzey, T. Löytäinen +2
We make predictions for the cross section of coherent photoproduction in Pb-Pb and O-O ultraperipheral collisions (UPCs) at the LHC as a function of the rapidity in…
Next-to-leading order perturbative QCD predictions for exclusive photoproduction in oxygen-oxygen and lead-lead collisions at the LHC
Kari J. Eskola, Christopher A. Flett, Vadim Guzey +2
We present predictions for the cross sections of coherent photoproduction in lead-lead and oxygen-oxygen ultraperipheral collisions (UPCs) as a function of the rapidity…
Implications of exclusive photoproduction in a tamed collinear factorisation approach to NLO
Chris A. Flett, Alan D. Martin, Misha G. Ryskin +1
We discuss exclusive photoproduction, initially in conventional collinear factorisation at NLO and then subsequently in a refined approach with a programme of low resumma…
Exclusive production in ultraperipheral Pb+Pb collisions to NLO pQCD
K. J. Eskola, C. A. Flett, V. Guzey +2
We present the first NLO pQCD study of coherent exclusive photoproduction in ultraperipheral heavy-ion collisions (UPCs) at the LHC. Taking the generalized parton distributio…
Towards the phenomenological implications of the Physical Scheme in PDF fits
Valerio Bertone, Chris A. Flett, Alan D. Martin +1
We describe the impact on PDF extractions of the 'Physical Scheme', a heavy-quark mass scheme that accounts for the effects of intrinsic heavy-quarks and provides a way to smoothly…
Next-to-leading order QCD predictions for exclusive photoproduction in ultraperipheral Pb+Pb collisions at the LHC
Kari J. Eskola, Chris A. Flett, Vadim Guzey +2
We present the first study of rapidity-differential cross sections of coherent exclusive photoproduction in heavy-ion ultraperipheral collisions (UPCs) at the LHC, $\text{d}σ…
Exclusive and production in high energy and Pb collisions
Chris A. Flett, Stephen P. Jones, Alan D. Martin +2
We present a formalism for determining the cross section for exclusive heavy vector meson production () as a function of rapidity, in both high energy proton-proton and pro…
Exclusive photoproduction in ultraperipheral Pb+Pb collisions at the LHC to next-to-leading order perturbative QCD
Kari J. Eskola, Christopher A. Flett, Vadim Guzey +2
We present the first next-to-leading-order (NLO) perturbative QCD (pQCD) study of rapidity-differential cross sections of coherent exclusive photoproduction of mesons in heav…
Predictions of exclusive photoproduction at the LHC and future colliders
Chris A. Flett, Stephen P. Jones, Alan D. Martin +2
The cross section for exclusive ultraperipheral photoproduction at present and future colliders is determined using the low gluon PDF extracted from an analysis of exclusiv…
Exclusive heavy vector meson electroproduction to NLO in collinear factorisation
Chris A. Flett, John A. Gracey, Stephen P. Jones +1
We compute the exclusive electroproduction, , of heavy quarkonia to NLO in the collinear factorisation scheme, which has been formally proven for this pr…
Prospects for quarkonium studies at the high-luminosity LHC
Emilien Chapon, David d'Enterria, Bertrand Ducloue +48
Prospects for quarkonium-production studies accessible during the upcoming high-luminosity phases of the CERN Large Hadron Collider operation after 2021 are reviewed. Current exper…
Very low gluon density determined by LHCb exclusive data
Chris A. Flett, Alan D. Martin, Misha G. Ryskin +1
The low behaviour of the gluon density at scale GeV is determined using exclusive production data from HERA and LHCb within the framework of col…
Exclusive production of heavy quarkonia as a probe of the low x and low scale gluon PDF
C. A. Flett, S. P. Jones, A. D. Martin +2
We discuss the exclusive photoproduction process, as measured recently at LHCb, as a means of constraining and ultimately determining the low and low gluon PDF. The s…
How to include exclusive production data in global PDF analyses
Chris A. Flett, Stephen P. Jones, Alan D. Martin +2
We compare the cross section for exclusive photoproduction calculated at NLO in the collinear factorization approach with HERA and LHCb data. Using the optimum scale formalis…
Towards a determination of the low gluon via exclusive production
Chris A. Flett, Stephen P. Jones, Alan D. Martin +2
We discuss how the stability of the theoretical prediction for exclusive photoproduction has been improved through a systematic taming of the known coe…