EStruct Home Page

Welcome to the STAR Event Structure Home Page!

Some of the methods commonly used in EStruct are described in the Tutorials (public).  Conference and seminar talks are linked from Talks (public) and publications are found Publications (public).  To see our work in progress visit In Progress (internal).

 

In Progress

Quick-Reference Guide

Papers by Event Structure group and selected papers by group members. Suggestions and updates are welcome.

Project Title Paper URL Analysis URL Version Notes:
Dynamic Texture Transverse-momentum dependent modification of dynamic texture in central Au+Au collisions at sqrt(sNN) = 200 GeV arxiv page final nucl-ex/0407001
PRC
71, 031901(R)
Mean Pt Event-by-Event <pt> fluctuations in Au-Au collisions at 130 GeV PRC
arxiv
page final nucl-ex/0308033
PRC 71, 064906 (2005)
Inversion method Autocorrelations from fluctuation scale dependence by inversion arxiv   final hep-ph/0410182
J Phys G 31 809-824
Hijing Scaling Autocorrelations from the scale dependence of transverse-momentum fluctuations in Hijing-simulated Au-Au collisions at 200 sqrt(s_NN) = GeV arxiv   final hep-ph/0410180
PLB 632, 197
Axial CD Hadronization Geometry and charge-dependent number autocorrelations on axial momentum space in Au-Au collisions at 130 GeV PLB
arxiv
page
final nucl-ex/0406035
PLB 634, 347
Axial CI Minijet deformation on axial momentum space observed with charge-independent number autocorrelations from Au-Au collisions at root-s = 130 GeV PRC
arxiv
page final nucl-ex/0411003
PRC 73, 064907 (2006)
Pt Scaling Transverse-momentum pt correlations on momentum subspace (eta,p hi) from mean-pt fluctuations in Au-Au collisions at 200 GeV JPG
arxiv
page final nucl-ex/0509030
J Phys G 32 L37
p-p spectra Multiplicity dependence of inclusive pt spectra from p-p collisions at sqrt {s} = 200 GeV PRD
arxiv
page final nucl-ex/0606028
PRD 74, 032006
Xt-Xt Two-particle correlations on tranverse momentum and minijet dissipation in Au-Au collisions at 130 GeV JPG
arxiv
page final nucl-ex/0408012
J Phys G 34 799
Energy Dep The energy dependence of mean-pt fluctuations and corresponding pt correlations in heavy ion collisions at the SPS and RHIC arxiv page final nucl-ex/0605021
J Phys G 34 451
ytxyt Two-particle correlations on transverse rapidity in p-p collisions at sqrt(s) = 200 GeV draft page 1.13 In GPC
power law centrality A power-law description of heavy-ion collision centrality arxiv     hep-ph/0411217
fragmentation function Extrapolating parton fragmentation to low Q^2 in e+e- collisions PRD
arxiv
  final hep-ph/0606249
PRD 74 034012

 

Analysis Results

These are some links to analysis results (not necessarily papers), some in progress, some published. This section is under construction, please contribute pages.

PID Results
Hijing Correlations
Fluctuations and Inversions (defunct?)

 

Papers in progress

Note: The papers in draft stages (may be in pwg review or collaboration review) are listed in "Papers in progress". Not all papers are from ES PWG (ex: simulation/methods paper or some belong to the other PWG) but strongly related with ES studies.
The papers before a draft exists but a plan and outline exist are listed in "Planned papers".

 

"Anomalous centrality evolution of minijet angular correlations from Au-Au collisions at sqrt{s_NN} = 62 and 200 GeV"

Information - PAs: Michael Daugherity, Lanny Ray, Tom Trainor, Duncan Prindle

Status: In GPC

"Energy and centrality dependence of the azimuth quadrupole moment of pt-integrated hadron distributions from Au-Au collisions at sqrt{s_NN}= 62 and 200 GeV"

PAs:  David Kettler, Tom Trainor

Target Journal: PRL

Status: Out of GPC, with spokesperson

"Transverse rapidity correlations of minimum-bias parton fragments from p-p collisions at sqrt(s) = 200 GeV"

Information - PAs: R.J. Porter, T.A. Trainor

"Energy dependence of mean-pt fluctuations and corresponding pt correlations in heavy ion collisions at the SPS and RHIC"

Information - PAs: Q.J. Liu, D.J. Prindle, R.L. Ray and T.A. Trainor

 

Planned Papers

proton-proton axial correlations
PAs: R. J. Porter and T. A. Trainor

Publications

 

Links to the papers in public

Publications

Two-particle correlations on transverse momentum and minijet dissipation in Au-Au collisions at $\sqrt{s_{NN}} = 130$ GeV
J. Phys. G 34 (2007) 799, and nucl-ex/0408012

The energy dependence of $p_{\rm t}$ angular correlations inferred from mean-$p_{\rm t}$ fluctuation scale dependence in heavy ion collisions at the SPS and RHIC
J. Phys. G 34 (2007) 451, and nucl-ex/0605021

The multiplicity dependence of inclusive pt spectra from p-p collisions at $\sqrt{s}$ = 200 GeV
Phys. Rev. D 74, 032006 (2006), and nucl-ex/0606028

Transverse-momentum pt correlations on momentum subspace (eta,phi) from mean-pt fluct uations in Au-Au collisions at 200 GeV
J. Phys. G 32 (2006) L37, and nucl-ex/0509030

Minijet deformation and charge-independent two-particle correlations on momentum subspace $(\eta,\phi)$ in Au-Au collisions at $\sqrt{s_{NN}}$ = 130 GeV
Phys. Rev. C 73 (2006) 064907, and nucl-ex/0411003

Hadronization geometry and charge-dependent two-particle correlations on momentum subspace ($\eta,\phi$) in Au-Au collisions at $\sqrt{s_{NN}} = 130$ GeV
Phys. Let. B 634 (2006) 347, and nucl-ex/0406035

Event-wise fluctuations in Au-Au collisions at sqrt(s[sub NN])=130 GeV
Phys. Rev. C 71 (2005) 064906, and nucl-ex/0308033

Transverse-momentum dependent modification of dynamic texture in central Au+Au collisions at sqrt(sNN ) = 200 GeV
Phys. Rev. C 71 (2005) 031901(R), and nucl-ex/0407001
 

From ES PWG Group members

Publications

Azimuth quadrupole component spectra on transverse rapidity y[sub t] for identified hadrons from Au-Au collisions at sqrt(s[sub NN]) = 200 GeV by T. A. Trainor
Phys. Rev. C 78, 064908 (2008)

Autocorrelations from fluctuation scale dependence by inversion by T. A. Trainor, R. J. Porter and D. J . Prindle
J. Phys. G 31 809-824, and hep-ph/0410182

Transverse-momentum $p_t$ correlations from mean-$p_{t}$ fluctuation scale dependence in Hijing-1.37-simulated Au-Au collisions at $\sqrt{s_{NN}} = $ 200 GeV by Qingjun Liu, Duncan J. Prindle, Thomas A. Trainor
Phys. Let. B 632 197, and hep-ph/0410180

Extrapolating parton fragmentation to low $Q^2$ in $e^+$-$e^-$ collisions by T. A. Trainor and D. Kettler
Phys. Rev. D 74, 034012 (2006), and hep-ph/0606249
 

Proceedings

Low-Q^2 partons in p-p and Au-Au collisions at XXXV International Symposium on Multiparticle Dynamics 2005 (ISMD2005) by T. A. Trainor

Transverse momentum correlations in relativistic nuclear collisions invited talk at Correlations and Fluctuations in Relativistic Nuclear Collisions Workshop (MIT, 2005) by T. A. Trainor

Probing the bulk medium in relativistic heavy ion collisions using two-particle correlations invited talk at Correlations and Fluctuations in Relativistic Nuclear Collisions Workshop (MIT, 2005) by R. L. Ray

The equivalence of fluctuation scale dependence and autocorrelations invited talk at Correlations and Fluctuations in Relativistic Nuclear Collisions Workshop (MIT, 2005) by D. J. Prindle and T. A. Trainor

Correlations from p-p collisions at sqrt(s) = 200 GeV invited talk at Correlations and Fluctuations in Relativistic Nuclear Collisions Workshop (MIT, 2005) by R. J. Porter and T. A. Trainor

Correlation structure of STAR events plenary talk at the International Conference on Contemporary Issues in Nuclear and Particle Physics (CINPP 2005) by Mikhail Kopytine

Correlations in STAR: interferometry and event structure plenary talk at the 5th International Conference on Physics and Astrophysics of Quark Gluon Plasma (ICPAQGP-2005) by Mikhail Kopytine

"Event Structure at RHIC from p-p to Au-Au," at the 20th Winter Workshop on Nuclear Dynamics (2004) by Tom Trainor (hep-ph/0406116)

"Soft and hard components of two-particle distributions on (yt,eta,phi) from p-p collisions at sqrt(s)=200 GeV" at QM2004 by R.J. Porter, T.A. Trainor

Long range hadron density fluctuations at soft pT in Au+Au collisions at RHIC invited talk at Xth International Wokshop on Multiparticle Production (Correlation and Flucutations in QCD) by Mikhail Kopytine

Correlations, Fluctuations, and Flow Measurements from the STAR Experiment at Quark Matter 2002 by Lanny Ray


Preprints

A power-law description of heavy-ion collision centrality by Thomas A. Trainor and Duncan J. Prindle (hep-p h/0411217)

Extrapolating parton fragmentation to low Q^2 in e+e- collisions by Thomas A. Trainor and David T. Kettler (hep-ph/0606249)

What Does the Balance Function Measure? by Thomas A. Trainor (hep-ph/0301122)

Jet quenching and event-wise mean-pt fluctuations in Au-Au collisions at sqrt-sNN = 200 GeV in Hijing-1.37 by Qingjun Liu, Thomas A. Trainor (hep-ph/0301214)

Event-by-Event Analysis and the Central Limit Theorem by T.A. Trainor (hep-ph/000114)

Pion Lattices in HI Transverse Phase Space and Sudden Traversal of the QCD Phase Boundary by T.A. Trainor (hep-ph/0005176)

Jet Correlations and Scale-Local Measures by T.A. Trainor and J.G. Reid

Probing small length scales in heavy-ion collisions with event-by-event correlation analysis by T.A. Trainor (hep-ph/0004258)
 

Theses

M. Daugherity

A. Ishihara(ps)

J.G. Reid

Talks

Presentations

2009

DNP: Hawaii - Lanny Ray
DPF: Detroit - Chanaka De Silva
Ultra-Relativistic Nucleus-Nucleus Collisions: Knoxville - Duncan Prindle

2008

Tamura Symposium: Austin - Lanny Ray
DNP: Oakland - Duncan Prindle
DNP: Oakland - Lanny Ray
Workshop for young scientists: Ultra-Relativistic Nucleus-nucleus collisions: Estes Park, CO - David Kettler
Users meeting: Upton, NY - Tom Trainor
Winter Workshop: South Padre, TX - Lanny Ray
QM08: Jaipur, India - Michael Daugherity

General in 2006

Spring APS Meeting - Lanny Ray (ppt)
Spring APS Meeting - Michael Daugherity (ppt)

Quark Matter 05

Bulk-medium Properties in Relativistic Nuclear Collision - Duncan Prindle
Dissipation and Fragmentation of Low-Q^2 scattered partons at RHIC - Lanny Ray (ppt)
Two-particle Correlations from p-p Collisions at 200 GeV - Tom Trainor

General in 2005

ISMD 2005 - Tom Trainor
MIT Workshop on Correlations and Fluctuations - Jeff Porter
MIT Workshop - Duncan Prindle
MIT Workshop - Lanny Ray (ppt)
MIT Workshop - Tom Trainor
RHIC-AGS User's Meeting, June 2005 - Lanny Ray
RHIC-AGS User's Meeting, June 2005 - Tom Trainor

DNP meeting 04, Chicago

Lanny Ray
Michael Daugherity

General in 2004

Physics colloquium at Rice U. - Lanny Ray (Oct)
Nuclear physics seminar at BNL - Mikhail Kopytine (Sept)
ISMD 2004 - Jeff Porter
GSI Workshop, Skopelos, Greece - Tom Trainor
RHIC-AGS User's Meeting, May 2004 - Tom Trainor
20th Winter Workshop on Nuclear Dynamics, Jamaica, - Tom Trainor

DNP meeting 04, Chicago

Daugherity
Lanny Ray

General in 2004

Physics colloquium at Rice U. - Lanny Ray (Oct)
Nuclear physics seminar at BNL - Mikhail Kopytine (Sept)
ISMD 2004 - Jeff Porter
GSI Workshop, Skopelos, Greece - Tom Trainor
RHIC-AGS User's Meeting, May 2004 - Tom Trainor
20th Winter Workshop on Nuclear Dynamics, Jamaica, - Tom Trainor

Quark Matter 04

Porter
Lanny Ray

DNP meeting 03, Tucson

Aya Ishihara
Porter
Lanny Ray

General in 03

Talk given at Ohio State U. by Lanny Ray (ppt)

Tutorials

Event Structure Tutorials


This page contains tutorials written to document and explain Event Structure analysis techniques and results.

 

Tutorial Title Files
Tutorial 1
Understanding charge independent correlations on eta1-eta2 versus phi1-phi2 for proton-proton di-jet events ppt | pdf
Tutorial 2
Measuring Histograms of the Number of Pairs of Particles, Constructing Ratios of Histograms, and the relationship to Correlations – Part 1 ppt | pdf
Tutorial 3
Measuring Histograms of the Number of Pairs of Particles, Constructing Ratios of Histograms, and the relationship to Correlations – Part 2 ppt | pdf
Tutorial 4
Relating Fluctuations and Correlations – Part 1 ppt | pdf

 

Tutorials by Lanny Ray, ray@physics.utexas.edu