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Soft photon production in central 200 GeV/nucleon32S + Au collisions
Author(s) -
M. M. Aggarwal,
A.L.S. Angelis,
V. Antonenko,
T. C. Awes,
S.K. Badyal,
C. Barlag,
K.B. Bhalla,
V.S. Bhatia,
C. Blume,
David C. Bock,
E.-M. Bohne,
D. Bucher,
A. Buijs,
S. Chattopadhyay,
A. Claussen,
G. Clewing,
Avijit Das,
L. Devanand,
P. Dönni,
Éric Durieux,
M. Majumdar,
P. Foka,
S. Fokin,
M. S. Ganti,
S. Garpman,
F. J. M. Geurts,
Tushar K. Ghosh,
R. Glasow,
S. K. Gupta,
H.-Å. Gustafsson,
H.H. Gutbrod,
M. Hartig,
X. He,
G. Hölker,
M. Ippolitov,
M. Iźycki,
S. Kachroo,
H. Kalechofsky,
R. Kamermans,
K.H. Kampert,
K. Karadjev,
B. W. Kolb,
V. Kumar,
I. Langbein,
J. Langheinrich,
A. Lebedev,
H. Löhner,
S. Lokanathan,
V. Manko,
M. I. Martin,
I. S. Mittra,
S. Mookerjee,
H. Naef,
S.K. Nayak,
S. Nikolaev,
J. Nystrand,
F.E. Obenshain,
A. Oskarsson,
I. Otterlund,
T. Peitzmann,
F. Plasil,
M. L. Purschke,
S. Raniwala,
N.K. Rao,
L. Rosselet,
B. Roters,
J.M. Rubio,
S. Saini,
S.S. Sambyal,
R. Santo,
H. R. Schmidt,
T. Siemiarczuk,
R.H. Siemssen,
B. C. Sinha,
S. Slegt,
K. Söderström,
N. Solomey,
S. P. Sørensen,
G. Stefanek,
P. Steinhaeuser,
E. Stenlund,
A. Ster,
D. Stüken,
M. D. Trivedi,
C. Twenhoefel,
N. van Eijndhoven,
E. van Heeringen,
А. Виноградов,
Y. P. Viyogi,
Steffen Georg Weber,
G. R. Young
Publication year - 1997
Publication title -
physical review c
Language(s) - English
Resource type - Journals
eISSN - 1089-490X
pISSN - 0556-2813
DOI - 10.1103/physrevc.56.1160
Subject(s) - physics , hadron , photon , nucleon , nuclear physics , production (economics) , large hadron collider , detector , particle physics , transverse plane , optics , structural engineering , engineering , economics , macroeconomics
Inclusive photons of low transverse momenta have been measured in 200 GeV/nucleon {sup 32}S+Au collisions at the CERN SPS. Data were taken in the WA93 experiment using a small acceptance BGO detector with longitudinal segmentation. The results are compared to WA80 measurements for the same system and results from hadron decay calculations. An excess of soft photons over the expectations from neutral meson decays is observed. {copyright} {ital 1997} {ital The American Physical Society}

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