Workshop on two-pion and e+e- production in hadronic reactions

Our main objective in this workshop  is to discuss in an informal interactive format the two-pion and e+e- production in pp and pi p reactions in connection with the interpretation of HADES data and the preparation of new experiments at GSI and  FAIR,

In particular, the following subjects will be addressed

• Baryon spectroscopy ( e.g. 2piN branching ratios from PWA of pion beam together with photon beam,  cascade resonances, triangular singularities,......)
• Rho contribution ( direct production and production via resonances,   check of Vector Dominance for baryons )
• Time-like electromagnetic form factors
• Nucleon-Nucleon reaction mechanisms (single/double baryon resonance contributions, meson production)
• Search for dibaryons (consistency of the measurement in different decay channels,...)
• Impact for medium effects study

Preliminary list of speakers and topics:

• Amel Belounnas (IPN Orsay) :HADES results for the pp->pppi+pi- reaction at 3.5 GeV.
• Mikhail Bashkanov (Edinburgh University) electro-magnetic properties of the d* dibaryon
• Xu Cao (CAS Lanzhou) Lagrangian models for two pion production.
• Izabela Ciepal (UJ Cracow) event generator for pi-p->ne+e- reaction.
• Tetyana Galatyuk (TU Darmstadt) e+e- production in heavy-ion reactions: HADES data
• Malgorzata Gumberidze (GSI Darmstadt)  HADES results for the pp->pppi+pi- reaction at 1.25 GeV incident beam energy.
• Georgy Kornakov (GSI Darmstadt) HADES results concerning baryon resonances in medium
• Alexander Jerusalimov (JINR Dubna) OPER model for multipion production.
• Gennady Lykasov (Dubna) remotely phenomenology of pion beam experiments
• Stefan Leupold (Uppsala) Models for hyperon electromagnetic form factors
• Victor Mokeev (Jlab, USA) remotely: results form two-pion production in electron scattering experiments
• Krzystof Nowakowski (UJ Cracow) simulations for hyperon Dalitz decays with HADES.
• Eulogio Oset (Valencia University)  Highlights of  two pion production channels.
• Teresa Pena (IST Lisbon) Electromagnetic time like transition form factor models.
• Witek Przygoda (Cracow) pi+pi- production in pion beams:HADES data
• Pablo Ramos (NPI Rez) e+e- production in pion beams: HADES experiments
• Victor Nikonov (NRC KI Gatchina and Bonn University) Bonn-Gatchina PWA results of pi- p and K- p reactions
• Piotr Salabura (UJ Cracow) HADES results in elementary reactions.
• Tatiana Skorodko (Tübingen University) Search for dibaryons in two-pion experiments
• Jan Staudenmaier (FIAS Frankfurt)  SMASH transport model for hadronic reactions.
• Joachim Stroth (GSI and Frankfurt University) seminar "Dense matter studies at GSI and FAIR".
• Miklos Zetenyi (Wigner RCP Budapest) Microscopic model for pi-p->ne+e- reaction.

The workshop will take place in the room "salle des conseils", located in building 100 at IPN Orsay.

information on the access can be found here http://ipnwww.in2p3.fr/Infos-pratiques?lang=en

information for accomodation can be obtained by contacting the organizers