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Motivations & Plans
The interpretation of relativistic heavy-ion collisions at RHIC energies with thermal concepts is largely based on the relative success of ideal (non-dissipative) hydrodynamics. This approach can describe basic observables at RHIC, such as particle spectra and momentum anisotropies, fairly well. On the other hand, recent theoretical efforts indicate that dissipation can play a significant role. Ideally viscous hydrodynamic simulations would extract not only the equation of state but also transport coefficients from RHIC data. There has been a lot of progress with solving relativistic viscous hydrodynamics, however, present calculations by the different groups do not seem to agree.

There are already large uncertainties in ideal hydrodynamics calculations, e.g., uncertainties associated with initial conditions, freezeout, and the simplified equations of state typically utilized. One of the most sensitive observables to the equation of state is the baryon momentum anisotropy, which is also affected by freezeout assumptions. Lately significant progress in lattice QCD calculations of the transition temperature and equation of state has been made using realistic quark masses. However, these have not yet been incorporated into the hydrodynamic calculations.

Therefore it is desirable to have a coherent discussion of these topics within a single workshop.

We aim to discuss the following specific topics:

• Initial geometry and hydrodynamics
• Hydrodynamics, freezeout and equation of state
• Dissipation and hydrodynamics
• Deconfining transition and QCD equation of state
• Dissipation in transport models

The workshop will be followed by a 10 day program "Viscous Hydrodynamics and Transport Models in Heavy Ion Collisions". For further information and/or If you are interested to participate please send an e-mail to Dénes Molnár (molnar@physics.purdue.edu), Péter Petreczky (petreczk@bnl.gov) or Derek Teaney (derek.teaney@gmail.com).

Please note a nearby workshop on related topics http://www.bnl.gov/riken/qgp/.

Proceedings Information for Speakers
All speakers are to submit a 6-page Proceedings Package consisting of:

• 1 cover page with name, affiliation and short summary
• 5 significant pages from your presentation

Please note the following:

• This Proceedings Package must be submitted prior to or during the workshop: a paper copy is preferable; however, if necessary, an electronic copy may be submitted to pesposit@bnl.gov.
• The Proceedings are printed in black and white only…please avoid color.

Your cooperation is appreciated for timely publication of the proceedings after the workshop. Any questions contact Pam Esposito, the Event Coordinator, at 631-344-3097 or pesposit@bnl.gov

Accommodations
Limited on-site male and female dorm rooms are available which will be assigned on a first-come, first-served basis. The Event Coordinator will make dorm room reservations for all visitors according to the arrival and departure dates listed on their registration form. Visitors will be contacted by the Event Coordinator regarding confirmation information.

Organizing Committee
Frithjof Karsch (BNL)
Dmitri Kharzeev(BNL)
Dénes Molnár (RBRC & Purdue Univ.)
Péter Petreczky (BNL)
Ron Soltz (LLNL)
Derek Teaney (RBRC & SUNY, Stony Brook)

Last Modified: April 9, 2008