International Workshop on Partial Wave Analyses and Advanced Tools for Hadron Spectroscopy (PWA 12 / ATHOS 7)

6 Sept 2021, 07:59 → 10 Sept 2021, 17:00 Europe/London

Jonas Rademacker, Konstantinos Petridis, Patricia Magalhaes, Paras Naik (University of Bristol (GB)), Daniel O'Hanlon (University of Bristol (GB)), Mark Peter Whitehead (University of Bristol (GB))

The International Workshop on Partial Wave Analyses and Advanced Tools for Hadron Spectroscopy, PWA12/ATHOS7, is a joint meeting combining the 12th International Workshop on Pion-Nucleon Partial Wave Analysis and the Interpretation of Baryon Resonances and the 7th Workshop on Amplitude Analysis Tools for Hadron Spectroscopy.

The purpose of the workshop is to bring together experimental and theoretical groups working in hadron spectroscopy. The emphasis of the workshop is on methods and tools for data analysis, addressing issues that are common in the study of baryons, mesons and the new hadrons. 

This "hybrid" workshop is taking place at Engineers' House (Bristol, England, UK) and online. 
Additional information for those who can participate in Bristol may be found here: 
Local Participation Info

Full registration details for the workshop may be found here: Registration

Topics - Conveners

1.  Heavy mesons, Baryons and exotics spectroscopy -
       Feng-Kun Guo, César Fernández Ramírez, Sebastian Neubert

2.  PWA for Baryons -
       Volker Burkert, Ulrike Thoma 

3.  Tools and for PWA and Amplitude analysis (merged with 4) -
       Emilie Passemar, Anton Poluektov  

4.  Models for PWA and Amplitude analysis (merged with 3) - 
       Adam Szczepaniak + LOC  

5.  Light mesons spectroscopy -
       Boris Grube, Raquel Molina    

6.  Amplitude Analysis for input for others -
       Mikhail Mikhasenko + LOC     

7.  Tools for amplitude analysis  -  
       LOC

The main Zoom room for the workshop can be found here: Main Zoom Room
There is a separate Zoom room for parallel discussions, here: Discussion Zoom Room

Please make certain that your time zone appears in the upper right hand corner of this page, in order to insure the global synchronization of the workshop. The default time zone is Europe/London (British Summer Time = GMT+1).
                                                               _____________________

This workshop was postponed from 2020 due to the COVID-19 Pandemic. Previous editions of this workshop were held at Centro Brasileiro de Pesquisas Físicas - CBPF, Rio de Janeiro, Brazil (2019), IHEP, Beijing (2018), George Washington University (2017) and University of Bonn (2015).

                     

Monday 6 September

07:59 → 08:00 Welcome

Speakers: Jonas Rademacker (University of Bristol (GB)), Patricia Magalhaes (University of Bristol (GB))

PWA_Athos_Bristol (2).key

PWA_Athos_Bristol (2).pdf

08:00 → 09:00 Topic 2

Convener: Mark Peter Whitehead (University of Bristol (GB))

08:00 Sequential single pion production explaining the di-Baryon "$d^*(2380)$" peak

Speakers: Raquel Molina Peralta (The George Washington University), Raquel Molina Peralta

dibarion_twostep.pdf

08:30 Amplitude analysis of $\Lambda_{c}\to pK\pi$

Speaker: Daniele Marangotto (Università degli Studi e INFN Milano (IT))

PWA_Lc2pKpi_AmpAna.pdf

09:00 → 10:00 Topics 3 & 4

Convener: Paras Naik (University of Bristol (GB))

09:00 Reach on the partial wave analysis tools with auto differential

Speaker: Hao Cai (Wuhan University (CN))

TFPWA.pdf

09:30 Hybrid to standard bottomonium transitions

Speaker: Jaume Tarrus (IFAE)

talk_PAW12.pdf

10:00 → 10:30 Coffee

10:30 → 12:30 Topic 1

Convener: Patricia Magalhaes (University of Bristol (GB))

10:30 The $\Omega_c$ and $\Omega_b$ puzzle

Speaker: Elena Santopinto (INFN e Universita Genova (IT))

Omegac_new_with_penta.pdf

The Ω𝑐 and Ω𝑏 puzzle

11:00 Analysis of Zc

Speakers: Dr Pablo Garcia Ortega (University of Salamanca), Pablo Garcia Ortega

OrtegaPG-Zc.pdf

11:30 Tetraquarks: successes, challenges and new avenues

Speaker: Angelo Esposito (Princeton Institute for Advanced Study)

ATHOS_2021.pdf

12:00 Pentaquark Photoproduction

Speaker: Astrid Hiller Blin (Thomas Jefferson National Accelerator Facility)

2021-09-06_PWA-ATHOS_AN-Hiller-Blin.pdf

12:30 → 14:00 Lunch

14:00 → 15:00 Topics 3 & 4

Convener: Adam Szczepaniak (Indiana University)

14:00 "Three-body dynamics of the $a_1(1260)$ resonance from lattice QCD"

Speaker: Maxim Mai (The George Washington University)

PWA21-MM.pdf

14:30 PWA of $\eta' \rightarrow \eta \pi \pi$ decay in connection with BESIII and A2 recent measurements and GlueX expected result

Speakers: Sergi Gonzalez-Solis (Indiana University), Sergi Gonzalez-Solis

Sergi_PWA12:ATHOS7.pdf

15:00 → 16:00 Discussion: How should the PDG record amplitude analysis?

Conveners: Christoph Hanhart (IAS/IKP Forschungszentrum Jülich), Jonas Rademacker (University of Bristol (GB)), Paras Naik (University of Bristol (GB)), Sebastian Neubert (University of Bonn (DE)), Timothy David Evans

16:00 → 17:00 Wine reception

Tuesday 7 September

08:00 → 10:00 Topic 1

Convener: Sebastian Neubert (University of Bonn (DE))

08:30 LHCb: Heavy baryons (non exotic)

Speaker: Paolo Gandini (INFN Milano (IT))

gandini_Bristol2021.pdf

09:00 BES: X(3872) branching fraction and charmonium

Speaker: Chun Hua Li

X3872-chunhuali-pwa-update.pdf

09:30 Molecular interpretation of the Pc states

Speaker: Menglin Du

PWAATHOS.pdf

10:00 → 10:30 Coffee

10:30 → 12:30 Topic 6

Convener: Mikhail Mikhasenko (Excellence Cluster ORIGINS)

10:30 Amplitude for polarisation measurements, future BSM searches

Speaker: Elisabeth Maria Niel (Université Paris-Saclay (FR))

Elisabeth_Niel_Amplitude_for_polarization_measurements_vf.pdf

11:00 Amplitude Analyses for CPV and $\gamma$

Speaker: Philippe D'Argent (CERN)

pwa-athos21_dargent.pdf

11:30 FSI and CPV in B->hhh decays

Speaker: Tobias Frederico (Instituto Tecnologico de Aeronautica)

Frederico_ATHOS7.pdf

12:00 $B\to K\pi$ form factors for $B\to K\pi\mu\mu$

Speaker: Keri Vos (University of Maastricht)

talkSwave.pdf

12:30 → 14:00 Lunch

14:00 → 16:00 Topic 5

Convener: Emilie Passemar

14:00 Light-meson spectroscopy at BESIII

Speakers: Marc Pelizaeus (Ruhr-Universitaet Bochum, Germany), Marc Pelizäus

pelizaeus_besiii_pwa12.pdf

14:30 GlueX: New results and future prospects

Speaker: Malte Albrecht (Indiana University)

20210907_PWA_Athos_Albrecht.pdf

15:00 a0(980)-f0(980) mixing in chi_c1 decays

Speakers: Melahat Bayar (Kocaeli University), Dr Melahat Bayar (Kocaeli University)

15:30 g-2

Speakers: Gilberto Colangelo (Universität Bern), Gilberto Colangelo

g-2_PWATHOS_21.pdf

16:00 → 16:30 Coffee

16:30 → 17:30 Discussion: $(g-2)_{\mu}$ and Big Picture

Conveners: Daniel Mohler (GSI Helmholtzzentrum fuer Schwerionenforschung), Kalman Szabo (Forschungszentrum Jülich GmbH), Mark Lancaster (University of Manchester), Raquel Molina Peralta, Thomas Blum

Wednesday 8 September

08:00 → 10:00 Topic 2

Convener: Boris Grube (Technische Universitat Munchen)

08:00 Baryon spectroscopy with CLAS and CLAS12

Speaker: Annalisa D'Angelo (Universita' di Roma Tor Vergata & INFN Roma Tor Vergata)

DAngelo_Bristol_PWA2021.pdf

08:30 Baryon spectroscopy results within the Jülich-Bonn dynamical coupled channel approach

Speaker: Deborah Rönchen (Forschungszentrum Jülich GmbH)

PWA12-ATHOS7_roenchen.pdf

09:00 Strange baryon resonance results based on the Bonn-Gatchina-PWA

Speaker: Andrey Sarantsev (HISKP)

andrey_sarantsev.pdf

09:30 Amplitude and truncated partial-wave analyses combined: A single-channel method for extracting photoproduction multipoles directly from measured data

Speaker: Alfred Švarc

Svarc-PWA12-ATHOS7.pdf

Svarc-PWA12-ATHOS7.pptx

10:00 → 10:30 Coffee

10:30 → 12:30 Topics 3 & 4

Convener: Anton Poluektov (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)

10:30 News on freed Isobar technique applied to Dalitz Plots

Speaker: Fabian Michael Krinner (Technische Universitaet Muenchen (DE))

talk_ATHOS21.pdf

11:00 The ComPWA project

Speaker: Remco De Boer (CERN)

Slides

slides_ComPWA_PWA12-ATHOS7.pdf

Website

11:30 Recent results on the Khuri-Treiman formalism and its application

Speakers: Miguel Albaladejo, Miguel Albaladejo Serrano (IFIC)

Albaladejo_2021_Sep_KT.pdf

12:00 $\eta$ and $\eta'$ physics at JLab

Speaker: Liping Gan (Univerisity of North Carolina Wilmington)

Jlab-eta-program.pdf

Jlab-eta-program.pptx

12:30 → 14:00 Lunch

12:30 What happens this afternoon?

Speaker: Paras Naik (University of Bristol (GB))

ATHOS-PWA Social Afternoon

14:00 → 21:30 Social afternoon

ATHOS-PWA Social Afternoon.pdf

14:00 Free Time

Time to Explore Bristol! (and/or lay on the sun loungers in the lunch area)

You will be "on your own" during this time [though there may be subgroups with common interests]. Some tourist information is being attached here.

If spending your free time at Engineers' House (a shame, but people may have to work), you should reserve at least 45 minutes to get from Engineers' House to the boat landing by foot [more details below].

Banksy Guide - Info

Banksy Guide - Map

City Centre Tourist Map

Clifton Village Tourist Map

Harbour Trails Maps

18:00 Boat trip: Bristol's Floating Harbour

Start Location: City Centre (Bristol City Centre Landing, Cascade Steps), 18:00 BST
Finish Location: Wapping Wharf, 19:00 BST

Please note: You will need to find your own way to the Boat Tour boarding point. Make sure you arrive there on time (18:00 local time), as we do not want to leave without you!

If coming from Engineers' House, you should reserve at least 45 minutes to get to the boat landing by foot.

Directions to Boat Tour starting point

19:30 Dinner at The Olive Shed

"A fantastic feasting menu" (attached)

Please let us know ASAP if you have any allergies or dietary requirements that we should be aware of.
(You may do this when you pay the in-Bristol supplement, or contact us at athos.pwa.2020.bristol@gmail.com)

Directions

Map

Menu

Thursday 9 September

10:30 → 12:00 Topic 6

Convener: Jonas Rademacker (University of Bristol (GB))

10:30 $B\to DDX$ for flavour anomalies - theory

Speakers: Meril Reboud (Centre National de la Recherche Scientifique (FR)), Meril Reboud

Reboud_Kmatrix_Bristol.pdf

11:00 $B\to DDX$ for flavour anomalies - experiment

Speaker: Jake Lewis Amey (University of Bristol (GB))

JAmey_B2DDX_ATHPWA21.pdf

11:30 CPV in B baryon decays at LHCb

Speaker: Anton Poluektov (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)

poluektov_cpv_b_baryons.pdf

12:30 → 14:00 Lunch

14:00 → 16:00 Topic 5

Convener: Cesar Fernandez Ramirez (Syracuse University (US))

14:00 The energy-dependent of $\pi^+\pi^+ \pi^+$ scattering amplitude from QCD

Speaker: Maxwell Hansen (The University of Edinburgh (GB))

HansenPWA.pdf

14:30 Pole determination from dispersive data analysis of the kappa resonance

Speaker: Mr Arkaitz Rodas Bilbao (Universidad Complutense de Madrid)

AR-PWA:ATHOS-2021.pdf

15:00 Light meson spectroscopy at COMPASS

Speaker: Stefan Wallner (Technische Universitaet Muenchen (DE))

2021-09-09_Wallner_PWA-ATHOS_COMPASS_upload.pdf

15:30 Decays of an exotic 1-+ hybrid meson resonance in QCD

Speakers: Jozef Dudek, Jozef Dudek, Jozef Dudek

PWA-ATHOS.pdf

16:00 → 17:00 Coffee

Friday 10 September

10:30 → 11:00 Topics 3 & 4

Convener: Daniel O'Hanlon (University of Bristol (GB))

10:30 The Role of Deck-like Processes and Central Production in the $\pi^-\pi^-\pi^+$ Final-State at COMPASS

Speaker: Florian Markus Kaspar (Technische Universitaet Muenchen (DE))

athos_2021_talk_fkaspar.pdf

11:00 → 13:00 Topic 1

Convener: Feng-Kun Guo (Insitute of Theoretical Physics, Chinese Academy of Sciences)

11:00 Heavy quarkonium at Belle II + DsDs1 from Belle

Speakers: Sen Jia, Sen Jia (Beihang University)

Quarknium@Belle2.pdf

11:30 Charm meson decays: spectroscopy and strong phase distribution

Speaker: Yu Zhang

PWA12-ATHOS7_yuzhang.pdf

12:00 X(3872)

Speaker: Liping He (Ohio State University)

X(3872)-PWA.pdf

12:30 LHCb: Exotic hadrons

Speaker: Nicole Skidmore (University of Bonn (DE))

PWA_workshop-3.pdf

13:00 → 14:00 Lunch

14:00 → 15:30 Topic 7

Convener: Konstantinos Petridis (University of Bristol (GB))

14:00 Introduction to Intelligence Processing Units

Speaker: Dr Alex Titterton (Graphcore)

Graphcore_IPU_PWA_ATHOS.pdf

14:25 Conference photo

Speaker: Jonas Rademacker (University of Bristol (GB))

14:30 Analysis using IPUs

Speaker: Daniel O'Hanlon (University of Bristol (GB))

20210910-IPU-PWA.pdf

15:00 TensorFlow-based fitters

Speaker: Abhijit Mathad (Universitaet Zuerich (CH))

PWA_Bristol_talk.pdf

15:30 → 16:00 Closing

15:30 Closing remarks & location of next meeting

Speakers: Curtis Meyer (Carnegie Mellon University), Jonas Rademacker (University of Bristol (GB))

16:00 → 16:30 Coffee: END