QCD Evolution Workshop 2021

10 May 2021, 08:00 → 14 May 2021, 18:00 US/Eastern

ZOOM

Zhongbo Kang (UCLA)

Workshop Twitter page: https://twitter.com/qcd_evolution. Our Twitter team has posted tweets about every talk presented at the workshop. We compiled a conference photo from the screenshots taken at the workshop, please view or download it from the indico page below. 

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The QCD Evolution Workshop 2021 will be conducted online via ZOOM platform, hosted by the University of California Los Angeles (UCLA), during May 10 - 14, 2021. Only registered participants will recive the links to join the conference. 

The QCD Evolution workshop series started in 2011 with a two-day meeting held at Jefferson Lab that addressed the theoretical underpinnings of generalized parton distributions (GPDs) and transverse momentum distributions (TMDs), with a particular focus on the QCD evolution of the non-collinear TMDs. Since this initial meeting, QCD Evolution has grown to be a leading hadron physics meeting with a focus on hadron tomography.

The main objective of QCD Evolution Workshop is to provide a forum to discuss the recent scientific accomplishments in areas such as Transverse Momentum Distributions (TMDs), Generalized Parton Distributions (GPDs), and small-x physics, together with advances in perturbative and non-perturbative techniques within Quantum Chromodynamics (QCD), such as lattice QCD and effective field theory techniques.

In doing so this workshop also aims to support and guide the physics programs at facilities such as Jefferson Lab, the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Lab, Fermi National Accelerator Laboratory, and the Large Hadron Collider (LHC) complex at CERN. The workshop is also central to the planning for the next-generation nuclear physics facility in the US, the Electron-Ion Collider (EIC).

To register for the workshop, and submit an abstract if you plan to give a talk, please refer to the registration page.

Local organizing committee:
Zhongbo Kang (UCLA), chair
Kyle Lee (LBL)
Jared Reiten (UCLA)
Dingyu Shao (UCLA/Fudan U.)
John Terry (UCLA)
Fanyi Zhao (UCLA)

Organizing committee:
Alexei Prokudin (Penn State Berks & JLab)
Ian Cloet (ANL)
Martha Constantinou (Temple)
Leonard Gamberg (Penn State Berks)
Yoshitaka Hatta (BNL)
Simonetta Liuti (UVA)
Anatoly Radyushkin (JLab)
Ivan Vitev (LANL)

Conference Photo

Monday, 10 May

09:30 → 11:20 QCD: Monday session 1

Convener: Zhongbo Kang (UCLA)

09:30 Welcome

Speaker: Zvi Bern (UCLA)

09:35 Introduction

Speaker: Zhongbo Kang (UCLA)

QCD Evolution_ Introduction.pdf

09:40 Milestones of evolution

Speaker: George Sterman (Stony Brook University)

qcd evolution 21 sterman v2.pdf

10:05 Jets and Longitudinal Proton Structure at the EIC

Speaker: Radja Boughezal (Argonne)

Boughezal-QCDevolution.pdf

10:30 QCD Resummation for Jet Observables at Colliders

Speaker: Feng Yuan (Lawrence Berkeley National Laboratory)

QCD_evolution_jet_Yuan.pdf

10:55 Projections of jet measurements at the EIC and recent HERA results

Speaker: Miguel Arratia (University of California, Riverside)

Talk_ QCD evolution 2021.pdf

11:20 → 11:50 Social and Coffee Break

11:50 → 13:30 QCD: Monday Session 2

Convener: Alexei Prokudin (Penn State Berks)

11:50 Overview of recent HERMES results on transverse-momentum dependent spin asymmetries

Speaker: Gunar Schnell (University of the Basque Country & IKERBASQUE)

QCD-E-2021_gunar.schnell.pdf

12:15 Sivers and Qiu-Sterman functions from SIDIS and Drell-Yan data

Speaker: Vladimirov Alexey (Regensburg University)

QCDevol21.pdf

12:40 Reweighting the quark Sivers function with STAR jet data

Speaker: Carlo Flore (IJCLab Orsay)

Sivers-reweighting-QCDEvo.pdf

13:05 Gluon TMDs and J/ψ polarization in e p collisions

Speaker: Cristian Pisano

QCDevo-cristian-pisano.pdf

13:30 → 14:00 Social and Coffee Break

14:00 → 16:05 QCD: Monday session 3

Convener: Leonard Gamberg (Penn State)

14:00 Measurement of the Drell-Yan transverse momentum dependence over a wide mass range from CMS

Speaker: Louis Moureaux

Moureaux_QCDEvolution_v3.pdf

14:25 TMD Parton Distributions up to N3LL from Drell-Yan data

Speaker: Giuseppe Bozzi (University of Pavia)

PV19.pdf

14:50 Using TMD formalism for predictions of the W and Z spectrum

Speaker: ignazio Scimemi (Unniiversidad Complutense Madrid)

Scimemi-QCDEV2021.pdf

15:15 Factorization & Resummation of Fiducial Power Corrections

Speaker: Johannes K. L. Michel (MIT CTP)

Johannes_Michel_QCD_Evolution_2021_05_10.pdf.pdf

15:40 Renormalization schemes for parton densities

Speaker: Ted Rogers (Old Dominion University/Jefferson Lab)

QCD_Evolution_2021.pdf

Tuesday, 11 May

09:30 → 11:10 QCD: Tuesday session 1

Convener: Martha Constantinou (Temple University)

09:30 Recent Progress in Large-Momentum Effective Theory

Speaker: Xiangdong Ji (University of Maryland)

progress_in_lamet.pdf

09:55 QCD factorization for twist-three quasi(pseudo) parton distributions

Speaker: Vladimir Braun (Regensburg University)

braun-QCDEV2021.pdf

10:20 Precision calculation of the x-dependence of PDFs from lattice QCD

Speaker: Dr Yong Zhao (Brookhaven National Laboratory)

QCDevo2021_yzhao.pdf

10:45 Determination of the Collins-Soper Kernel from Lattice QCD

Speaker: Maximilian Schlemmer (University of Regensburg)

QCDEvolution_Schlemmer_2021.pdf

11:10 → 11:40 Social and Coffee Break

11:40 → 13:20 QCD: Tuesday session 2

Convener: Ian Cloet (Argonne National Laboratory)

11:40 Recent Progress in Lattice Parton Distribution Calculations

Speaker: Prof. Huey-Wen Lin (Michigan State University)

Recent Progress in Lattice Parton Distribution Calculations

12:05 x-dependent GPDs from Lattice QCD

Speaker: Martha Constantinou (Temple University)

QCD_evol_Constantinou.pdf

12:30 Valence PDF of pion from lattice QCD

Speaker: Swagato Mukherjee (BNL)

Swagato Mukherjee.pdf

12:55 Gluon distribution from lattice QCD

Speaker: Raza Sufian (Jefferson Lab)

QCD-Evolution2021_RSS.pdf

13:20 → 13:50 Social and Coffee Break

13:50 → 16:20 QCD: Tuesday session 3

Convener: simonetta liuti (university of virginia)

13:50 Transverse spin sum rule

Speaker: Cédric Lorcé (Ecole Polytechnique)

Transverse spin sum rule - QCDevolution2021.pdf

14:15 Twist-3 GPDs and Orbital Angular Momentum

Speaker: Dr Kyle Shiells (Center for Nuclear Femtography)

QCDEvol_workshop_KShiells PDF.pdf

14:40 Exclusive massive photon-pair production in meson-baryon collisions

Speaker: Zhite Yu (Michigan State University)

QCD-Evolution_ZhiteYu.pdf

15:00 Lorentz Invariance and Equation of Motion Relations for polarized GTMDs and Angular Momentum

Speaker: Michael Engelhardt (New Mexico State University)

talk.pdf

15:20 Two-loop coefficient function for DVCS: Vector contributions

Speaker: Jakob Schönleber (University of Regensburg)

CF_evo2021.pdf

15:40 Revisiting GPD evolution equations

Speaker: Dr Valerio Bertone (IRFU, CEA, Université Paris-Saclay)

bertone_QCD_Evolution_10_05_2021_v2.pdf

Wednesday, 12 May

09:30 → 11:10 QCD: Wednesday session 1

Convener: Yoshitaka Hatta (BNL)

09:30 Update on helicity at small x

Speaker: Yuri Kovchegov (The Ohio State University)

Evolution_2021.pdf

Evolution_2021.pptx

09:50 Single Logarithmic Contribution to Small-x Helicity Evolution

Speaker: Yossathorn Tawabutr (The Ohio State University)

presentation_1.pdf

10:05 Quark Sivers Function at Small-x: Return of a Spin-Dependent Odderon

Speaker: Melvin Santiago (Ohio State University)

santiago_evolution_2021.pptx

10:20 High-energy OPE for polarized DIS

Speaker: Giovanni Antonio Chirilli (University of Regensburg)

QCDevolution-12may2021.pdf

10:45 Threshold resummation in forward hadron production

Speaker: xiaohui liu

QCD-EVOLUTION.pdf

11:10 → 11:40 Social and Coffee Break

11:40 → 13:20 QCD: Wednesday session 2

Convener: Ivan Vitev (LANL)

11:40 Towards a unification of gluon distributions at small and moderate x

Speaker: Dr Yacine Mehtar-Tani (Brookhaven National Laboratory)

QCD-evol-05:2021.pdf

12:05 ITMD factorization and its recent applications

Speaker: Krzysztof Kutak (Institute of Nuclear Physics Polish Academy of Sciences)

evolution2021.pdf

12:30 Small-x dijet/dihadron production the EIC: beyond the TMD factorization and progress towards NLO

Speaker: Farid Salazar (Stony Brook University)

QCD_evolution_Salazar.pdf

12:55 Forward dijets in proton-nucleus collisions at next-to-leading order: the real corrections

Speaker: Yair Mulian (University of Jyväskylä)

NLO_DIJETS.pdf

13:20 → 13:50 Social and Coffee Break

13:50 → 15:55 QCD: Wednesday session 3

Convener: Alexei Prokudin (Penn State Berks)

13:50 Gauge-invariant TMD factorization for Drell-Yan hadronic tensor at small-x

Speaker: Ian Balitsky (JLab/ODU)

QCDevolution_21.pdf

14:15 Evolution with transverse momentum dependent splitting functions

Speaker: Dr Martin Hentschinski (Universidad de las Americas Puebla)

QCDevolution21.pdf

14:40 Exclusive Double Drell-Yan factorization and GTMDs

Speaker: Patricia Gutierrez

QCD_Evolution_2021_Patricia_Gutierrez.pdf

15:05 JIMWLK Evolution, Lindblad Equation and Quantum-Classical Correspondence

Speaker: Ming Li (North Carolina State University)

JIMWLK_LINDBLAD_QM_correspondence.pdf

15:30 Entanglement, partial set of measurements, and diagonality of the density matrix in the parton model

Speaker: Vladimir Skokov (BNL)

QCDEvo2021.pdf

16:00 → 17:00 John Collins: Berkeley Lab Nuclear Theory Seminar

Convener: Kyle Lee (LBNL)

16:00 Berkeley Seminar: Mismatches between Perturbative and Non-perturbative Views of Hadronization in QCD

Speaker: John Collins (Penn State University)

LBL-May-2021.pdf

Thursday, 13 May

09:30 → 11:10 QCD: Thursday session 1

Convener: Prof. Dingyu Shao (Fudan University)

09:30 Leading jets and energy loss

Speaker: Felix Ringer (UC Berkeley/LBNL)

QCDEV21_FRinger.pdf

09:55 Rethinking Jets with the Lightray OPE

Speaker: Ian Moult

IanMoult_QCDevolution_2021.pdf

10:20 The Time-reversal Odd Side of a Jet

Speaker: Hongxi Xing (South China Normal University)

QCD_evolution_xing.pdf

10:45 Azimuthal decorrelation in V+jet production with the WTA axis

Speaker: Rudi Rahn (University of Amsterdam)

QCDEvo_Rahn.pdf

11:10 → 11:40 Social and Coffee Break

11:40 → 13:20 QCD: Thursday session 2

Convener: Kyle Lee (LBNL)

11:40 The track functions and their QCD evolution

Speaker: Wouter Waalewijn (University of Amsterdam)

trackfunctions.pdf

12:05 Two-loop splitting in double parton distributions: the colour non-singlet case

Speaker: Peter Plößl (DESY)

2021_05_13_QCD_Evolution_Ploessl.pdf

12:30 Two-loop evolution equation for the B-meson distribution amplitude

Speaker: Yao Ji (University of Siegen)

presentation.pdf

12:55 Energy-energy correlators in DIS (as a probe to TMDPDFs)

Speaker: Yiannis Makris (INFN PAVIA)

Makris_2021.pdf

13:20 → 13:50 Social and Coffee Break

13:50 → 15:40 QCD: Thursday session 3

Convener: John Terry (UCLA)

13:50 Probing the Quark Gluon Plasma with jets

Speaker: varun vaidya (LANL)

QGPVarun.pdf

14:15 Effects of Non-Gaussian in-medium transverse momentum broadening on di-jet observables

Speaker: Martin Rohrmoser (Institute of Nuclear Physics, Polish Academy of Sciences)

qcd_evolution_workshop.pdf

14:40 Recent updates from JAM collaboration

Speaker: nobuo sato (Jefferson Lab)

QCD evolution.pdf

14:50 Gluon helicity distributions

Speaker: Yiyu Zhou

yiyu_gluon.pdf

15:00 Isovector EMC effect from global QCD analysis with MARATHON data

Speaker: Christopher Cocuzza (Temple University)

QCD Evolution 2021.pdf

15:10 Extractions of Collinear and TMD Parton Distributions in the Pion

Speaker: Patrick Barry (Jefferson Lab)

Barry_QCDevo.pdf

15:20 Small-x Helicity Phenomenology

Speaker: Daniel Adamiak

Daniel Adamiak QCD Evolution 2021 Slideshow.pdf

15:30 Phenomenological Study of the Origin of SSAs and Extraction of the Tensor Charge

Speaker: Daniel Pitonyak (Lebanon Valley College)

Pitonyak_QCDEvo2021.pdf

Friday, 14 May

09:30 → 11:35 QCD: Friday session 1

Convener: Leonard Gamberg (Penn State)

09:30 TMDs for spin-1 hadrons

Speaker: Shunzo Kumano (KEK)

Kumano-TMD-QCD-evolution-2021-05-v2.pdf

09:55 Space-Time Reciprocity Relations and Fragmentation

Speaker: Duff Neill (LANL)

Fragmentation.pdf

10:20 Phenomenological extraction of a universal TMD FF from BELLE single hadron production data

Speaker: Mariaelena Boglione (University of Turin)

Boglione_QCDEvo2021.pdf

10:45 Hadron production in e+e- collisions within the helicity formalism and the Λ polarizing FF

Speaker: Prof. Umberto D'Alesio (University and INFN Cagliari)

QCDevol_2021_PT_Lambda.pdf

11:10 Gravitational Form Factors and Mechanical Properties of the Proton in a Diquark Model

Speaker: Dr Asmita Mukherjee (IIT Bombay)

GFF.pdf

11:35 → 12:05 Social and Coffee Break

12:05 → 13:45 QCD: Friday session 2

Convener: Anatoly Radyushkin (ODU/JLab)

12:05 Accessing the neutron charge radius through electron scattering

Speaker: Nikos Sparveris (Temple University)

Sparveris-QCD-Evolution.pdf

12:30 Vector meson production in the polarized quark fragmentation process

Speaker: Albi Kerbizi (INFN, Trieste Section)

QCDEvolution2021_Kerbizi.pdf

12:55 The Energy Momentum Tensor and the D-term

Speaker: Simone Rodini (University of Pavia & INFN Pavia)

rodini.pdf

13:20 QCD Analysis of Near-Threshold Photon-Proton Production of Heavy Quarkonium

Speaker: Yuxun Guo (University of Maryland)

Near-Threshold Production of Heavy Quarkonium.pdf

13:45 → 14:15 Social and Coffee Break

14:15 → 16:25 QCD: Friday session 3

Convener: Zhongbo Kang (University of California Los Angeles)

14:15 Single spin asymmetry at two loops

Speaker: Yoshitaka Hatta (BNL)

QCDevolution.pptx

14:40 Correlation effects in hadronization

Speaker: Harut Avagyan (JLab)

2021-May14-evolution.pdf

15:05 TMDs in the covariant parton model with a generalized systematic approach

Speaker: Saman Bastami (PhD candidate at University of Connecticut)

Presentation.pdf

15:30 Lorentz invariance relation anomalies and intrinsic parton transverse momentum

Speaker: Fatma Aslan (JLab/UConn)

15:50 A Comprehensive framework for deeply virtual exclusive experiments

Speaker: simonetta liuti (university of virginia)

liuti_QCDevol_2021.pdf

16:10 Summary and future plans

Speaker: Alexei Prokudin (Penn State Berks)

Prokudin_QCD_Evolution.pdf