PHOTON '97

Preliminary program (May 1st)

( scheduled talks can still be shifted in time)

Saturday  May 10th
------------------

16.00-21.00  Secretariat open for registration  


Sunday   May 11th
-----------------

Morning session: Session A (Photon Structure)
+++++++++++++++
                 (6 talks + welcome)

     Welcome
            F.Erne                                     [15']

     Introduction talk to Session A
            A. Vogt                                    [35']


     Measurement of QED Photon Structure Functions
     using Azimuthal Correlations
     Mathieu Doucet                                    [15']

                  _____

     Muonic Structure Functions of the Photon
     C.A. Brew                                         [15']

     Photon structure function study at LEP1 and LEP2
     I. Tyapkin                                        [20']

     The Photon Structure in Electron-Photon Scattering at
     low   Q^2  at LEP1
     Joerg Bechtluft                                   [15']

     A Measurement of the Photon Structure Function
     and Final State Topology in Tagged Hadronic Events
     Alex Finch                                        [20']



Afternoon Session: Session B (Inclusive Processes)
+++++++++++++++++
                 (8 talks)
      Introduction talk to Session B
      P.Aurenche                                        [35']

      Dijet Events and Inclusive Hadron Production
      in Photon-Photon Collisions at
       \sqrt{s_{ee}}=161  and 172 GeV
      Roland Buergin                                    [20']

     Jets in real and virtual photoproduction
      H. Rick (H1)                                      [20']

                 _____


      ZEUS results on Jet shapes and Multi jet events
      E.Strickland                                      [15']

      ZEUS results on Dijet cross sections and Rapidity
      Gaps between jets
      M.Hayes                                           [15']

      High-pT charged particles and Strangeness
      Photoproduction and comparison with DIS at HERA
      D. Milstead (H1)                                      [15']

      Direct Photon Production at p-pbar Collider
      Wei Chen                                          [20']

      ZEUS results on Prompt photon measurements in gammaP
      T.Vaiciulis                                        [15']





Evening Session:  Continuation Session A (Photon Structure)
+++++++++++++++++ Continuation Session B (Inclusive Processes)
               (6 talks )

     Photon Structure, Energy flows and Jet Production
     at medium x and  Q^2  in Deep Inelastic
     Electron-Photon Scattering at
     sqrt{s_{ee}}  = 90-172  GeV
     Richard Nisius                                     [20']

      KEDR tagging system for study of two photon
      processes
      L. Romanov                                        [15']

                       ++++

      Virtual photon structure from jet production
      in ep and e^+ e^- collisions
      J. Chyla                                          [15']

      Probing the Structure of a Virtual Photon in
      the Deep Inelastic Compton scattering at HERA
      Maria Krawczyk                                    [15']

      Photon structure function and dijet at HERA
      L.Bourhis                                         [15']

      Photoproduction of a Prompt Photon in
      Association with a Heavy Quark or Jet at
      Next-to-Leading Order in QCD
      L. E. Gordon                                      [15']



Monday  May 12th
-----------------

Morning Session:  Session C
+++++++++++++++++ (Exclusive Processes in gamma-gamma interactions)

                (8 talks  )

      Introduction talk to Session C
      S.J. Brodsky                                      [35']

      Resonance production in gamma-gamma collisions
      at CLEO
      V. Savinov                                        [15']

      Vector Meson Production in gamma-gamma Interactions
      at LEP with the L3 Detector
      A. Csilling                                       [15']

                 ________________

      Resonances in Multi-Photon Final States in Positron
      Proton Scattering at HERA
      S. Tapprogge (H1)                                 [15']

      Study of the glueball candidate f_J(2220) at CLEO
      H. Paar                                           [15']

      Resonances in gamma-gamma Collisions at L3
      S. Braccini                                       [15']


      Two-Photon Physics at the ARGUS
      G. Medin                                          [15']

      K0_s production in two-photon processes at LEP 1
      W. da Silva                                       [10']


Afternoon Session:  Continuation Session B (Inclusive Processes)
+++++++++++++++++                        C

                  (11 talks )

      ZEUS results on D*, J/psi inelastic and K0 photoproduction
      L.Gladilin                                        [15']


      Measurement of Inclusive Charm Production in
      gamma-gamma Collisions with the L3 Detector
      V.P.Andreev                                       [20']


      Search for Single Leptoquark Production in
      Electron-Photon Scattering at cms(ee)=172 GeV
      Stefan Soeldner-Rembold                           [15']


                   +++++

      Experiment on photon splitting in Coulomb field
      of nucleus
      A.Maslennikov                                     [15']

      Photoproduction of Neutral Pion Pairs in the
      Coulomb Field of the Nucleus
      A.A.Bel'kov                                       [15']

      New determination of scalar meson couplings
      to two photons from gamma-gamma--> pi pi
      experimental results
      M. Boglione                                       [15']

      Predictions for the eta_c\gamma transition
      form factor
      T. Feldmann                                       [15']

      A Generalization of the Brodsky-Lepage Formalism
      F. Murgia                                         [15']


      Gamma*-gamma* --> pi^0 reaction at large photon
      virtualities
      Saro Ong                                          [15']

      The Asymptotics of the Transition Form Factor
      gamma-gamma^* --> pi^o and QCD sum rules
      R. Ruskov                                         [15']

      A complete and exact Monte-Carlo for
      \gamma \gamma ---> l^{+}l^{-}
      A. Courau                                         [15']



Tuesday May 13th
----------------

Morning Session: Continuation Session A
+++++++++++++++++ (Photon Structure)

                    (9 talks )

      Tuning Monte Carlo models to fit DIS
      electron-gamma scattering events at LEP
      J.A. Lauber                                       [15']


      Radiative QED corrections in e- gamma collisions
      G. Schuler                                        [15']

      An approach to the invariant mass reconstruction
      for the single-tagged gamma-gamma^* events
      V.N. Pozdnyakov                                   [15']


      Parton Distributions in the Photon from
      gamma^* gamma and gamma^* p scattering
      E. Gurvich                                        [15']


                    _________


      Study of multihadron production in gamma-gamma
      collisions at LEP1 and LEP2
      N. Zimin                                          [15']

      Cross-section of Hadron Production in
      $\gamma\gamma$ Collisions at LEP
      W.van Rossum                                      [15']

      Scale Influence on the Energy Dependence
      of Photon-Proton Cross Sections and F2 at low Q^2
      N. Gogitidze (H1)                                 [20']



      Photon-photon Total Cross-sections
      G. Pancheri                                       [15']


      Off-shell Photon Scattering as a Probe of the
      Short Distance Pomeron
      F. Hautmann                                       [15']



Afternoon Session: Session D (Diffractive and Elastic Scattering)
+++++++++++++++++

                 (8 talks)

      Introduction to Session D
      M.Arneodo                                         [35']

      Elastic and dissociative production of vector
      mesons at small and larger Q^2 at H1
      J. Koehne                                         [15']

      ZEUS results on VM production (in photoproduction
      and DIS)
      J. Crittenden                                     [20']


      Diffractive rho^{0} Production at HERMES
      M. Kolstein                                       [15']
                      -------------

      Inelastic diffraction at low Q^2 and high
      Q^2 at H1
      T. Ebert                                          [35']

      ZEUS results on inclusive diffraction
      (in photoproduction and DIS)
      K. Piotrzkowski                                   [25']


      ZEUS results on diffractive dijet and
        charm production.
      J. Puga                                           [15']



      Hard Diffraction and the Pomeron in D0 at
      the p-pbar collider [15 min]
      B.May                                             [15']

Wednesday May 14th
------------------

Morning Session: Continuation Session D
+++++++++++++++++ (Diffractive and Elastic Scattering)

                (4 talks )

      Coherent Photon and Pomeron Interactions at RHIC
      S. Spencer Klein                                     [15']

      Multiparticle production in high-mass diffraction
      dissociation and the interplay of photons and pomerons
      R. Engel                                          [15']

      Behaviour of the Forward Peak in Hard Diffractive
      Leptoproduction of Vector Mesons
      E.~Gotsman                                        [15']

      Diffractive electroproduction at intermediate
      and low Q^2 and the wave function of the photon
      T. Gousset                                        [15']

            ____________________


11.30-12.20h
      Cosmic photons
      H. Meyer                                          [50']


Afternoon:
+++++++++++++++++
            Free for Excursions

Evening:
            Conference Dinner



Thursday May 15th
-----------------

Morning Session: Session E
+++++++++++++++++ (Future Directions)

                ( 6 talks )
      Progress in photon colliders
      V.I. Telnov                                      [35']

      Physics at high energy photon linear colliders
      G.Jikia                                          [35']

                  _______________

      Higgs studies in polarized gamma-gamma collisions
      V.S. Fadin                                      [15']

      Some new possibilities for photon colliders
      I.F. Ginzburg                                    [15']

      A possibility to control the polarization of
      high-energy photons by means of a laser beam.
      V.G. Serbo                                       [15']

      Measuring the two-photon decay width of
      Intermediate Higgs at a photon-photon collider
      T. Takahashi                                     [15']


Afternoon Session: Summary Talks
+++++++++++++++++

      Experimental summary
      D. Miller                                        [40']

      Theoretical summary
      J. Forshaw                                       [40']

H. Tiecke, Fri Apr 18 15:08:28 MET DST 1997