1 / 10

Understanding HBT and Hydrodynamic Models in Proton-AntiProton Collisions

This document reviews significant research related to proton-antiproton collisions, focusing on HBT (Hanbury Brown-Twiss) correlations and hydrodynamic models used for analysis. It references key studies and results from the E735 and OPAL collaborations, as well as the NA22 collaboration's investigation into the spatial and momentum anisotropies in high-energy collisions. The findings detail how blast-wave-type fits and the estimation of hydrodynamical parameters contribute to understanding particle interactions and flow characteristics in these high-energy physics contexts.

carter
Télécharger la présentation

Understanding HBT and Hydrodynamic Models in Proton-AntiProton Collisions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. π+/p NA22 e+/e- AMY E735 UA1 OPAL HBT in pp collisions? Just a sampling • Dowell., Proc. Of the VII Topical Workshop on Proton-AntiProton Collider Physics, p115, Word Scientific 1989. • Lindsey. “Results from E735 at the Tevetron Proton-AntiProton Collider with root s= 1.8TeV”, Presented at the Quarkmatter 1991, Gatlinberg, Tennessee, Nov 11-15, 1991. • OPAL Collaboration. Physics Letters B. Vol 267 #1, 5 September, 1991. • NA22 Collaboration “Estimation of Hydrodynamical model parameters from the invariant spectrum and the Bose-Einstein Corrilations…”, Nijmegen preprint, HEN-405, Dec. 97. fm p/pbar

  2. Centrality dependence of Rout/Rside 0.2<kT<2.0GeV/c ,　<kT>=0.46GeV/c

  3. HBT dN/dt  ~ 2 fm/c Blast-wave type fits 0~8-9 fm/c time F. Retière, QM04; F. Retière & MAL nucl-th/0312024 “BlastWave” fits • Hydro (blast wave) • Input Short emission time • Multiplicity • Flow • Hbt

  4. Almond shape overlap region incoordinate space Pressure? “elliptic flow” barometer Origin:spatial anisotropy of the system when created, followed by multiple scattering of particles in the evolving system spatial anisotropy  momentum anisotropy v2:2nd harmonic Fourier coefficient in azimuthal distribution of particles with respect to the reaction plane

  5. E. Shuryak

  6. STAR nucl-ex/0312009 Time From hbt From Glauber model

More Related