Interferometry of Direct Photons in Central 208Pb + 208Pb Collisions at 158A GeV

Overview

Journal Phys Rev Lett

Publisher American Physical Society

Specialty Biophysics

Date 2004 Aug 25

PMID 15323905

Authors

M M Aggarwal

Z Ahammed

A L S Angelis

V Antonenko

V Arefiev

V Astakhov

V Avdeitchikov

T C Awes

P V K S Baba

S K Badyal

S Bathe

B Batiounia

T Bernier

K B Bhalla

V S Bhatia

C Blume

D Bucher

H Busching

L Carlen

S Chattopadhyay

M P Decowski

H Delagrange

P Donni

M R Dutta Majumdar

K El Chenawi

A K Dubey

K Enosawa

S Fokin

V Frolov

M S Ganti

S Garpman

O Gavrishchuk

F J M Geurts

T K Ghosh

R Glasow

B Guskov

H A Gustafsson

H H Gutbrod

I Hrivnacova

M Ippolitov

H Kalechofsky

K Karadjev

K Karpio

B W Kolb

I Kosarev

I Koutcheryaev

A Kugler

P Kulinich

M Kurata

A Lebedev

H Lohner

L Luquin

D P Mahapatra

V Manko

M Martin

G Martinez

A Maximov

Y Miake

G C Mishra

B Mohanty

M J Mora

D Morrison

T Moukhanova

D S Mukhopadhyay

H Naef

B K Nandi

S K Nayak

T K Nayak

A Nianine

V Nikitine

S Nikolaev

P Nilsson

S Nishimura

P Nomokonov

J Nystrand

A Oskarsson

I Otterlund

T Peitzmann

D Peressounko

V Petracek

S C Phatak

W Pinganaud

F Plasil

M L Purschke

J Rak

R Raniwala

S Raniwala

N K Rao

F Retiere

K Reygers

G Roland

L Rosselet

I Roufanov

C Roy

J M Rubio

S S Sambyal

R Santo

S Sato

H Schlagheck

H R Schmidt

Y Schutz

G Shabratova

T H Shah

I Sibiriak

T Siemiarczuk

D Silvermyr

B C Sinha

N Slavine

K Soderstrom

G Sood

S P Sorensen

P Stankus

G Stefanek

P Steinberg

E Stenlund

M Sumbera

T Svensson

A Tsvetkov

L Tykarski

E C V D Pijll

N von Eijndhoven

G J von Nieuwenhuizen

A Vinogradov

Y P Viyogi

A Vodopianov

S Voros

B Wyslouch

G R Young

Affiliations

Soon will be listed here.

Abstract

Two-particle correlations of direct photons were measured in central 208Pb+208Pb collisions at 158A GeV. The invariant interferometric radii were extracted for 100<K(T)<300 MeV/c and compared to radii extracted from charged pion correlations. The yield of soft direct photons, K(T)<300 MeV/c, was extracted from the correlation strength and compared to theoretical calculations.