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Report on QNP2006

Report on QNP2006. Michael Wood University of Massachusetts, Amherst. Overview of Conference. IVth International Conference on Quarks and Nuclear Physics which was held in Madrid, Spain from June 5-10, 2006. The conference was held at the Universidad Complutense de Madrid.

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Report on QNP2006

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  1. Report on QNP2006 Michael Wood University of Massachusetts, Amherst

  2. Overview of Conference IVth International Conference on Quarks and Nuclear Physics which was held in Madrid, Spain from June 5-10, 2006. The conference was held at the Universidad Complutense de Madrid. “The goal of the conference is to advance the knowledge of the strong interactions. We intend to cover a broad spectrum of topics in both Nuclear and Particle physics. The conference will be structured in two parts, with technical talks scheduled first and review talks in the last days. There will be a poster session.” Here is a brief list of session topics: Lattice, Meson Physics, Baryon Physics, Light Meson Spectroscopy, Hadron Structure, Heavy Quarks, Non-perturbative QCD, Topics in Nuclear Physics, Matter Under Extreme Conditions, Some Classic QCD Topics, ….

  3. Some Classic QCD Topics Session chair was Craig Roberts of ANL. Session Program: • Preliminary Results of the Primex Experiment - me • On Dynamical Gluon Mass Generation - Joannis Papavassiliou (Barcelona) • Infrared Properties of QCD from  Dyson-Schwinger Equations - Christian S. Fischer • Aspects of QCD Modeling for Hadrons and Form Factors – Peter Tandy (Kent State U.) • Jerry Miller of U. of Washington – “Any new theory calculations?” • Lengthy discussion with Craig Roberts during the coffee break. He is • interested in this results. He also asked about measuring the Primakoff • effect of the p(1300).

  4. Primakoff Effect and p(1300) C. Roberts has 2 papers on radial excitations of the pion: Electromagnetic properties of ground and excited state pseudoscalar mesons A. Höll, A. Krassnigg, P. Maris, C.D. Roberts and S.V. Wrightnucl-th/0503043, Phys. Rev. C 71 (2005) 065204 (12 pages)Pseudoscalar meson radial excitationsA. Höll, A. Krassnigg and C.D. Robertsnucl-th/0406030, Phys. Rev. C 70 (2004) 042203(R) (5 pages) According to his theory, the ground p0 is interesting since it comes primarily from the chiral anomaly. The heavier pions are complimentary since the chiral anomaly plays almost no role, and the main contribution is from QCD dynamics. • Experimental problems: • The Primex setup would not detect the p(1300) even at 11 GeV. • The PDG has no information on p(1300), and its width is estimated at • 200-500 MeV.

  5. Final Thoughts • There were a wide variety of topics from few-nucleon physics to RHIC. • Primex experiment was received well, even if it was just a few people. • Majority of the talks were from theorists. • Conference length (6 days) was 1 day too long. • All in all, I enjoyed the conference very much.

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