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The azimuthally anisotropic flow of ...

Chang, Wen-Chen.

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The azimuthally anisotropic flow of transverse energy and identified protons and charged pions in 10.8 A-GeV/c Au + Au collisions at AGS.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	The azimuthally anisotropic flow of transverse energy and identified protons and charged pions in 10.8 A-GeV/c Au + Au collisions at AGS./
Author:	Chang, Wen-Chen.
Description:	170 p.
Notes:	Adviser: Johanna Stachel.
Contained By:	Dissertation Abstracts International58-06B.
Subject:	Physics, Nuclear. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9736190
ISBN:	9780591460896

The azimuthally anisotropic flow of transverse energy and identified protons and charged pions in 10.8 A-GeV/c Au + Au collisions at AGS.
Chang, Wen-Chen.

The azimuthally anisotropic flow of transverse energy and identified protons and charged pions in 10.8 A-GeV/c Au + Au collisions at AGS. - 170 p.

Adviser: Johanna Stachel.

Thesis (Ph.D.)--State University of New York at Stony Brook, 1997.

The study of azimuthally anisotropic transverse flow in 10.8 A$\cdot

ISBN: 9780591460896Subjects--Topical Terms:

1019065
Physics, Nuclear.

The azimuthally anisotropic flow of transverse energy and identified protons and charged pions in 10.8 A-GeV/c Au + Au collisions at AGS.
LDR:02517nam 2200265 a 45 001 945701
005 20110523
008 110523s1997 ||||||||||||||||| ||eng d
020 $a 9780591460896
035 $a (UMI)AAI9736190
035 $a AAI9736190
040 $a UMI $c UMI
100 1 $a Chang, Wen-Chen. $3 1269115
245 1 4 $a The azimuthally anisotropic flow of transverse energy and identified protons and charged pions in 10.8 A-GeV/c Au + Au collisions at AGS.
300 $a 170 p.
500 $a Adviser: Johanna Stachel.
500 $a Source: Dissertation Abstracts International, Volume: 58-06, Section: B, page: 3120.
502 $a Thesis (Ph.D.)--State University of New York at Stony Brook, 1997.
520 $a The study of azimuthally anisotropic transverse flow in 10.8 A$\cdot $g eV/c Au + Au collisions at the AGS, Brookhaven is presented. With the reconstruction of the reaction plane event by event, the flow signals of the transverse energy $e \sb{T}$ and identified protons and charged pions are quantified by the Fourier moments of the azimuthal distribution with respect to the reaction plane. The Fourier moments charactering the anisotropic flow are studied as a function of rapidity (or pseudo-rapidity), transverse momentum, and centrality. The analysis shows that protons (or nucleons) exhibit a strong directed flow while pions collectively move in the opposite direction. A typical S-shaped distribution of the first moments (the directed flow) is observed in the rapidity space. The transverse momentum dependence of the first Fourier moment of protons suggests a picture of a transversely boosted thermal source for proton flow. We observe non-zero positive second Fourier moments charactering an elliptical event shape in the measurements of transverse energy and proton flow. This component, whose major axis is oriented in the reaction plane, is of a different orientation from the phenomena of "squeeze-out" as observed at lower energies. The centrality dependence of the azimuthally anisotropic flow consistently peaks at intermediate centralities and vanishes for very central and peripheral collisions. Comparisons with cascade models show the need to introduce either a mean filed potential for nucleons in RQMD or an energy-dependent repulsive scattering in ARC.
590 $a School code: 0771.
650 4 $a Physics, Nuclear. $3 1019065
690 $a 0610
710 2 $a State University of New York at Stony Brook. $3 1019194
773 0 $t Dissertation Abstracts International $g 58-06B.
790 $a 0771
790 1 0 $a Stachel, Johanna, $e advisor
791 $a Ph.D.
792 $a 1997
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9736190