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Freeze-out from classical and continuous systems Csaba Anderlik Subatomic theory progress report Bergen, September 2002.

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Presentation on theme: "Freeze-out from classical and continuous systems Csaba Anderlik Subatomic theory progress report Bergen, September 2002."— Presentation transcript:

1 Freeze-out from classical and continuous systems Csaba Anderlik Subatomic theory progress report Bergen, September 2002

2 Principal Investigators : Subatomic theory progress report Bergen, September 2002 L. P. CsernaiUiB T. EngelandUiO M. Hjort-JensenUiO E. OsnesUiO J. S. VaagenUiB

3 Doctoral students : Subatomic theory progress report Bergen, September 2002 Imante RaskinyteUiB, SLU 1998-present Karolis TamosiunasUiB, SLU 2002- Maxim P. KartamychevUiB/UiO, SLU 2001-present Gaute HagenUiB/UiO, NFR 2001-present Agnes NyiriUiB, NFR 2002- Elise Bergli UiO, NFR 2002-

4 Master of Science students : Subatomic theory progress report Bergen, September 2002 Eivind BrodalUiO, 2001- Eirik OvrunUiO, 2001- Simen KvaalUiO, 2002- Mateusz Marek RøstadUiO, 2002- Victoria PopsuevaUiO, 2002- Simen Sommerfelt ReineUiO, 2002- Jon Kristian NilsenUiO, 2002- Andreas SæbjørnsenUiO, 2002-

5 Subatomic theory progress report Bergen, September 2002 Knut BjørkliNTNU, 2001- Ronny KjelsbergNTNU, 2001- Ann Cecilie GuldbransenUiB, 2000- Olav LilleskareUiB, 2001- Øyvind Heggo HansenUiB, 2000- Andrea AnderlikUiB, 2000- Etele MolnarUiB, 2002-

6 Alumni : Subatomic theory progress report Bergen, September 2002 F. V. De BlasioUiO, EU-MC 1998-1999, postdoc Østein ElgarøyUiO, 1999 Dr. Scient Lars EngvikUiO, 1999 Dr. Scient Zsolt LazarUiB, SLU, 1999 Dr. Scient Anne HoltUiO, priv, 1999 Dr. Scient Csaba AnderlikUiB, SLU, 2001 Dr. Scient Volodymyr MagasUiB, SLU, 2001 Dr. Scient Henning Heiberg-AndersenUiB, 2002 Dr. Scient Dmitriy GridnevUiB, SLU, 2001 Dr. Scient

7 Subatomic theory progress report Bergen, September 2002 Giedre SapragonaiteUiB, SLU, 2002 Dr. Scient Remi S. AagersborgUiB, 2002 Cand. Scient Karolis TamosiunasUiB, SLU, 2002 Cand. Scient Agnes NyiriUiB, SLU, 2002 Cand. Scient Gaute HagenUiB, 2001 Cand. Scient

8 Subatomic theory progress report Bergen, September 2002

9 Subatomic theory progress report Bergen, September 2002 Research Topics Heavy Ion Physics –Initial condition –Nuclear flow –Freeze-out Radioactive Nuclear Beams Nuclear Structure Neural Networks Astro/Particle Physics

10 Subatomic theory progress report Bergen, September 2002 Research Topics: Radioactive Nuclear Beams

11 Subatomic theory progress report Bergen, September 2002 Nuclear Structure Importance –Exotic nuclei far from the valley of beta stability –Nuclear astrophysics Development of many-body techniques for the nuclear shell model Close collaboration with several experiments: –CERN (Isolde), GSI (Germany), Lund (Sweden), NBI (Denmark), Surrey (UK), etc. Studies of the thermodinamical properties of finite nuclei, collaboration with Oslo cyclotron laboratory Properties of dense matter

12 Subatomic theory progress report Bergen, September 2002 Freeze-out Describes the final stages of heavy-ion collisions: –all interaction cease in the systems Different theoretical models have been hired: –Kinetic models –Field theoretical approach

13 Subatomic theory progress report Bergen, September 2002 Freeze-out: kinetic approach Express macroscopic measurables using the microscopic properties of the system Important issues: »Timelike, spacelike freeze-out surfaces »Conservation laws »Coooper-Frye formula Our models: »cut Juttner distribution »idealized model with drain term »freeze-out distribution with rescattering »four volume emission model

14 Subatomic theory progress report Bergen, September 2002 Freeze-out: field theory approach Linear sigma model

15 Subatomic theory progress report Bergen, September 2002

16 Subatomic theory progress report Bergen, September 2002

17 Subatomic theory progress report Bergen, September 2002

18 Subatomic theory progress report Bergen, September 2002

19 Subatomic theory progress report Bergen, September 2002


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