Name: Experimental and theoretical status of and perspectives for XYZ states
Start: 2021-04-12T09:00:00+02:00
End: 2021-04-15T18:00:00+02:00
Location: No location set

Experimental and theoretical status of and perspectives for XYZ states

from Monday, April 12, 2021 (9:00 AM) to Thursday, April 15, 2021 (6:00 PM)

Monday, April 12, 2021
9:00 AM session 1
session 1
9:00 AM - 10:25 AM
Room: online
Contributions

9:00 AM Opening - Frank Nerling (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))

9:05 AM BESIII results on vector Y states - Changzheng Yuan (IHEP Beijing)

9:45 AM BESIII results on X, Z states - Zhiqing Liu (Shandong University)
10:25 AM Coffeebreak
Coffeebreak
10:25 AM - 10:45 AM
Room: online
10:45 AM session 2
session 2
10:45 AM - 12:00 PM
Room: online
Contributions

10:45 AM Dissecting XYZ-states with functional methods - Christian Fischer (JLU Giessen)

11:10 AM Test of the nature of $P_{cs}(4459)$ as a hadronic molecule in the $\Xi_b^-\to J/\psi \Lambda K^-$ decay - Li-Sheng Geng (Beihang University)

11:35 AM X(3872) in the hybrid model of charmonium and hadronic molecule - Yasuhiro Yamaguchi (Japan Atomic Energy Agency)
12:00 PM Lunchbreak
Lunchbreak
12:00 PM - 2:00 PM
Room: online
2:00 PM session 3
session 3
2:00 PM - 3:20 PM
Room: online
Contributions

2:00 PM Effective field theories for regular quarkonia and exotics - Nora Brambilla (TUM)

2:40 PM Hadronic Molecules - Ulf-G. Meißner (Univ. Bonn/FZ Jülich)
3:20 PM Coffeebreak
Coffeebreak
3:20 PM - 3:40 PM
Room: online
3:40 PM session 4
session 4
3:40 PM - 4:55 PM
Room: online
Contributions

3:40 PM Nonrelativistic effective field theories for exotic heavy hadrons - Jaume Tarrús (IFAE)

4:05 PM Heavy fourquarks and dibaryon states - Nilmani Mathur (Tata Institute of Fundamental Research)

4:30 PM On history of the bottomonium-like states Z_b discovery (In Memoriam Misha Voloshin) - Alex Bondar (Budker Institute, Novosibirsk )
Tuesday, April 13, 2021
9:00 AM session 5
session 5
9:00 AM - 10:20 AM
Room: online
Contributions

9:00 AM Belle(II) results in the charm sector - Chengping Shen (Fudan University)

9:40 AM Belle(II) XYZ results in the B sector - Kirill Chilikin (Lebedev Physical Institute of the Russian Academy of Sciences)
10:20 AM Coffeebreak
Coffeebreak
10:20 AM - 10:40 AM
Room: online
10:40 AM session 6
session 6
10:40 AM - 12:05 PM
Room: online
Contributions

10:40 AM Coupled-channel interpretation of the LHCb double-J/psi spectrum - Alexey Nefediev (Lebedev Physics Institute)

11:05 AM X0(2900) in the molecular picture - Qian Wang (South China Normal University)

11:30 AM Production of 1++ states in e+e- collision - Yuping Guo (Fudan University)

11:55 AM ExtreMe Matter Institute EMMI - Carlo Ewerz (EMMI/GSI)
12:05 PM Lunchbreak
Lunchbreak
12:05 PM - 2:00 PM
Room: online
2:00 PM session 7
session 7
2:00 PM - 3:20 PM
Room: online
Contributions

2:00 PM Production of X(3872) - Alessandro Pilloni (INFN Roma)

2:40 PM Production of X(3872) - Eric Braaten (Ohio State Univerity)
3:20 PM Coffeebreak
Coffeebreak
3:20 PM - 3:40 PM
Room: online
3:40 PM session 8
session 8
3:40 PM - 5:10 PM
Room: online
Contributions

3:40 PM Loosely bound states in relativistic nuclear collisions at the LHC - Peter Braun-Munzinger (EMMI/GSI )

4:20 PM X(3872) and DDbar* interactions in a nuclear medium - Miguel Albaladejo Serrano (JLAB)

4:45 PM The properties and production of fully-heavy tetraquarks in a strongly interacting medium - Jiaxing Zhao (Tsinghua University)
Wednesday, April 14, 2021
9:00 AM session 9
session 9
9:00 AM - 10:20 AM
Room: online
Contributions

9:00 AM LHCB results on charmonia - Marco Pappagallo (Università e INFN Bari)

9:40 AM LHCB results on exotic charmonia - Sebastian Neubert (HISKP Uni Bonn)
10:20 AM Coffeebreak
Coffeebreak
10:20 AM - 10:40 AM
Room: online
10:40 AM session 10
session 10
10:40 AM - 11:55 AM
Room: online
Contributions

10:40 AM Observation of the Zcs(3985) state at BESIII - Ying-Chao Xu (UCAS)

11:05 AM Zcs exotics in B -> J/psi phi / K decays at LHCb - Zehua Xu (Peking University)

11:30 AM Heavy fourquark states from lattice QCD - Sasa Prelovsek
11:55 AM Lunchbreak
Lunchbreak
11:55 AM - 2:00 PM
Room: online
2:00 PM session 11
session 11
2:00 PM - 3:20 PM
Room: online
Contributions

2:00 PM Radiative a pionic transitions of Y(4320) and the new Z_sc(3982) - Luciano Maiani (Universita' di Roma La Sapienza)

2:40 PM Inclusion of pi pi interactions in heavy meson decays - Igor Danilkin (JGU Mainz)
3:20 PM Coffeebreak
Coffeebreak
3:20 PM - 3:40 PM
Room: online
3:40 PM session 12
session 12
3:40 PM - 4:55 PM
Room: online
Contributions

3:40 PM Insights on the Z_b(10610) and Z_b(10650) from the dipion decays - Vadim Baru (Ruhr University Bochum)

4:05 PM CMS results and prospects on XYZ states - Ruslan Chistov (P.N.Lebedev Institute, Russian Academy of Sciences (LPI RAS))

4:30 PM GlueX results - Sean Dobbs (Florida State University(FSU))
Thursday, April 15, 2021
9:00 AM session 13
session 13
9:00 AM - 10:20 AM
Room: online
Contributions

9:00 AM Triangle singularities and new ideas about the X(3872) - Feng-Kun Guo (Institute of Theoretical Physics, CAS)

9:40 AM Importance of meson-meson and of diquark-antidiquark creation operators for a b-bar b-bar u d tetraquark - Marc Wagner (Johann Wolfgang Goethe-Universität Frankfurt am Main)
10:20 AM Coffeebreak
Coffeebreak
10:20 AM - 10:40 AM
Room: online
10:40 AM session 14
session 14
10:40 AM - 12:00 PM
Room: online
Contributions

10:40 AM Bottomonium resonances in the Born-Oppenheimer approximation using static potentials from lattice QCD - Lasse Mueller (Goethe University Frankfurt)

11:05 AM Long ranged part of static potential - Naeem Anwar (FZJ)

11:30 AM Hybrid static potentials at small quark-antiquark separations - Carolin Riehl (Goethe University Frankfurt)

11:55 AM Workshop Photo - Screenshot - Participants online
12:00 PM Lunchbreak
Lunchbreak
12:00 PM - 2:00 PM
Room: online
2:00 PM session 15
session 15
2:00 PM - 3:30 PM
Room: online
Contributions

2:00 PM Lattice QCD in the doubly heavy sector - Sinéad Ryan (Trinity College Dublin)

2:40 PM Heavy-Light Tetraquarks with Lattice QCD - Martin Pflaumer (Goethe Universität Frankfurt)

3:05 PM COMPASS results on XYZ states - Alexey Guskov (Joint Institute for Nuclear Research)
3:30 PM Coffeebreak
Coffeebreak
3:30 PM - 3:50 PM
Room: online
3:50 PM session 16
session 16
3:50 PM - 5:20 PM
Room: online
Contributions

3:50 PM Can We Resolve the Nature of χc1(3872) with PANDA? - Klaus Götzen (GSI Helmholtzzentrum für Schwerionenforschung GmbH(GSI))

4:15 PM Future relevant experiments - Simon Eidelman (Budker Institute, Novosibirsk and Lebedev Institute, Moscow)

4:55 PM Closing of the workshop - Christoph Hanhart (FZ Jülich)

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