Jefferson Lab, Newport News, Virginia 23606
November 6-8, 2003

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First Announcement

During the past few months there have been several announcements of experimental evidence for the existence of a baryon with exotic quantum number S=+1, called the Theta+. This object cannot be understood as a 3-quark state but requires minimally five quarks (pentaquark). A flurry of theoretical papers followed the first announcement in July of this year, many of them expressing the need to determine unambigously the quantum numbers (spin-parity, isospin), the natural widths, and the urgency to search for more than just one of the five-quark states.

This is the appropriate time to address the specific experimental and theoretical issues that must be resolved to make progress. To help this process along we are organizing a three-day workshop of a group of active workers in the field to brainstorm on the issues before us, develop ideas and strategies on how to address these issues experimentally and theoretically. We are pleased to invite you to actively participate in this workshop.

The current plan for the workshop is as follows:

Begin of Workshop: Thursday, November 6, 1:15 p.m. at Jefferson Lab.
End of Workshop: Saturday, November 8, noon.

We expect to have about half the time allocated for presentations of new research both experimentally and theoretically. The other half should be allocated for focus discussions on specific issues. These could be held in smaller groups co-organized by two convenors, one theorist and one experimentalist. Each focus group will give a report to the plenary session.

Organizing committee:

V. Burkert
K. Hicks
V. Kubarovsky
B. Mecking
W. Roberts
R. Schiavila
E. Smith
S. Stepanyan