Observation of Two-source Interference in the Photoproduction Reaction $Au Au \to Au Au \rho^0$
B.I. Abelev
,
M.M. Aggarwal
,
Z. Ahammed
,
B.D. Anderson
,
D. Arkhipkin
,
G.S. Averichev
,
Y. Bai
,
J. Balewski
,
O. Barannikova
,
L.S. Barnby
,
J. Baudot
(1)
,
S. Baumgart
,
D. R. Beavis
,
R. Bellwied
,
F. Benedosso
,
M.J. Betancourt
,
R.R. Betts
,
S. Bhardwaj
,
A. Bhasin
,
A.K. Bhati
,
H. Bichsel
,
J. Bielcik
,
J. Bielcikova
,
B. Biritz
,
L.C. Bland
,
M. Bombara
,
B. E. Bonner
,
M. Botje
,
J. Bouchet
,
E. Braidot
,
A. V. Brandin
,
E. Bruna
,
S. Bueltmann
,
T. P. Burton
,
M. Bystersky
,
X. Z. Cai
,
H. Caines
,
M. Calderon de La Barca Sanchez
,
J. Callner
,
O. Catu
,
D. Cebra
,
R. Cendejas
,
M. C. Cervantes
,
Z. Chajecki
,
P. Chaloupka
,
S. Chattopadhyay
,
H. F. Chen
,
J. H. Chen
,
J. Y. Chen
,
J. Cheng
,
M. Cherney
,
A. Chikanian
,
K. E. Choi
,
W. Christie
,
S. U. Chung
,
R. F. Clarke
,
M. J. M. Codrington
,
J. P. Coffin
(1)
,
R. Corliss
,
T. M. Cormier
,
M. R. Cosentino
,
J. G. Cramer
,
H. J. Crawford
,
D. Das
,
S. Dash
,
M. Daugherity
,
C. de Silva
,
T. G. Dedovich
,
M. Dephillips
,
A. A. Derevschikov
,
R. Derradi de Souza
,
L. Didenko
,
P. Djawotho
,
S. M. Dogra
,
X. Dong
,
J. L. Drachenberg
,
J. E. Draper
,
F. Du
,
J. C. Dunlop
,
M. R. Dutta Mazumdar
,
W. R. Edwards
,
L. G. Efimov
,
E. Elhalhuli
,
M. Elnimr
,
V. Emelianov
,
J. Engelage
,
G. Eppley
,
B. Erazmus
(2)
,
Magali Estienne
(1)
,
L. Eun
,
P. Fachini
,
R. Fatemi
,
J. Fedorisin
,
A. Feng
,
P. Filip
,
E. Finch
,
V. Fine
,
Y. Fisyak
,
C.A. Gagliardi
,
L. Gaillard
,
D. R. Gangadharan
,
M. S. Ganti
,
E. Garcia-Solis
,
V. Ghazikhanian
,
P. Ghosh
,
Y. N. Gorbunov
,
A. Gordon
,
O. Grebenyuk
,
D. Grosnick
,
B. Grube
,
S. M. Guertin
,
K. S. F. F. Guimaraes
,
Anupam Gupta
,
N. Gupta
,
W. Guryn
,
B. Haag
,
T. J. Hallman
,
A. Hamed
,
J. W. Harris
,
W. He
,
M. Heinz
,
S. Heppelmann
,
B. Hippolyte
(1)
,
A. Hirsch
,
E. Hjort
,
A. M. Hoffman
,
G. W. Hoffmann
,
D. J. Hofman
,
R. S. Hollis
,
H. Z. Huang
,
T. J. Humanic
,
G. Igo
,
A. Iordanova
,
P. Jacobs
,
W.W. Jacobs
,
P. Jakl
,
F. Jin
,
C. L. Jones
,
P. G. Jones
,
J. Joseph
,
E. G. Judd
,
S. Kabana
(2)
,
K. Kajimoto
,
K. Kang
,
J. Kapitan
,
M. Kaplan
,
D. Keane
,
A. Kechechyan
,
D. Kettler
,
V. Yu. Khodyrev
,
D. P. Kikola
,
J. Kiryluk
,
A. Kisiel
,
S. R. Klein
,
A. G. Knospe
,
A. Kocoloski
,
D. D. Koetke
,
M. Kopytine
,
L. Kotchenda
,
V. Kouchpil
,
P. Kravtsov
,
V. I. Kravtsov
,
K. Krueger
,
M. Krus
,
C. Kuhn
(1)
,
L. Kumar
,
P. Kurnadi
,
M.A. C. Lamont
,
J. M. Landgraf
,
S. Lapointe
,
J. Lauret
,
A. A. Lebedev
,
R. Lednicky
,
C.-H. Lee
,
W. Leight
,
M. J. Levine
,
C. Li
,
Y. Li
,
G. Lin
,
S. J. Lindenbaum
,
M. A. Lisa
,
F. Liu
,
H. Liu
,
J. Liu
,
L. Liu
,
T. Ljubicic
,
W. J. Llope
,
R. S. Longacre
,
W.A. Love
,
Y. Lu
,
T. Ludlam
,
D. Lynn
,
G. L. Ma
,
Y. G. Ma
,
D. P. Mahapatra
,
R. Majka
,
O. I. Mall
,
L. K. Mangotra
,
R. Manweiler
,
S. Margetis
,
C. Markert
,
H. S. Matis
,
Yu. A. Matulenko
,
T. S. Mcshane
,
A. Meschanin
,
R. Milner
,
N. G. Minaev
,
S. Mioduszewski
,
A. Mischke
,
J. Mitchell
,
B. Mohanty
,
D.A. Morozov
,
M. G. Munhoz
,
B. K. Nandi
,
C. Nattrass
,
T. K. Nayak
,
J. M. Nelson
,
C. Nepali
,
P. K. Netrakanti
,
M. J. Ng
,
L. V. Nogach
,
S. B. Nurushev
,
G. Odyniec
,
A. Ogawa
,
H. Okada
,
V. Okorokov
,
D. Olson
,
M. Pachr
,
B. S. Page
,
S. K. Pal
,
Y. Pandit
,
Y. Panebratsev
,
T. Pawlak
,
T. Peitzmann
,
V. Perevoztchikov
,
C. Perkins
,
W. Peryt
,
S. C. Phatak
,
M. Planinic
,
J. Pluta
,
N. Poljak
,
A. M. Poskanzer
,
B. V. K. S. Potukuchi
,
D. Prindle
,
C. Pruneau
,
N. K. Pruthi
,
J. Putschke
,
R. Raniwala
,
S. Raniwala
,
R. L. Ray
,
R. Redwine
,
R. Reed
,
A. Ridiger
,
H. G. Ritter
,
J. B. Roberts
,
O. V. Rogachevskiy
,
J. L. Romero
,
A. Rose
,
C. Roy
(2)
,
L. Ruan
,
M. J. Russcher
,
V. Rykov
,
R. Sahoo
(2)
,
I. Sakrejda
,
T. Sakuma
,
S. Salur
,
J. Sandweiss
,
M. Sarsour
,
J. Schambach
,
R. P. Scharenberg
,
N. Schmitz
,
J. Seger
,
I. Selyuzhenkov
,
P. Seyboth
,
Alexandre Shabetai
(1)
,
E. Shahaliev
,
M. Shao
,
M. Sharma
,
S.S. Shi
,
X.-H. Shi
,
E. P. Sichtermann
,
F. Simon
,
R. N. Singaraju
,
M. J. Skoby
,
N. Smirnov
,
R. Snellings
,
P. Sorensen
,
J. Sowinski
,
H. M. Spinka
,
B. Srivastava
,
A. Stadnik
,
T. D. S. Stanislaus
,
D. Staszak
,
M. Strikhanov
,
B. Stringfellow
,
A. A. P. Suaide
,
M. C. Suarez
,
N. L. Subba
,
M. Sumbera
,
X. M. Sun
,
Y. Sun
,
Z. Sun
,
B. Surrow
,
T. J. M. Symons
,
A. Szanto de Toledo
,
J. Takahashi
,
A. H. Tang
,
Z. Tang
,
T. Tarnowsky
,
D. Thein
,
J. H. Thomas
,
J. Tian
,
A. R. Timmins
,
S. Timoshenko
,
D. Tlusty
,
M. Tokarev
,
T.A. Trainor
,
V. N. Tram
,
A. L. Trattner
,
S. Trentalange
,
R. E. Tribble
,
O. D. Tsai
,
J. Ulery
,
T. Ullrich
,
D. G. Underwood
,
G. van Buren
,
M. van Leeuwen
,
A. M. Vander Molen
,
J. A. Vanfossen
,
R. Varma
,
G. M. S. Vasconcelos
,
I. M. Vasilevski
,
A. N. Vasiliev
,
F. Videbaek
,
S. E. Vigdor
,
Y. P. Viyogi
,
S. Vokal
,
S.A. Voloshin
,
M. Wada
,
W. T. Waggoner
,
M. Walker
,
F. Wang
,
Gang Wang
,
J. S. Wang
,
Q. A. Wang
,
X. Wang
,
X. L. Wang
,
Y. Wang
,
J. C. Webb
,
G. D. Westfall
,
C. Whitten Jr.
,
H. Wieman
,
S. W. Wissink
,
R. Witt
,
Y. Wu
,
W. Xie
,
N. Xu
,
Q. H. Xu
,
Y. Xu
,
Z. Xu
,
P. Yepes
,
I.-K. Yoo
,
Q. Yue
,
M. Zawisza
,
H. Zbroszczyk
,
W. Zhan
,
H. Zhang
,
S. Zhang
,
W. M. Zhang
,
Y. Zhang
,
Z. P. Zhang
,
Y. Zhao
,
C. Zhong
,
J. Zhou
,
R. Zoulkarneev
,
Y. Zoulkarneeva
,
J. X. Zuo
B.I. Abelev
- Function : Author
M.M. Aggarwal
- Function : Author
Z. Ahammed
- Function : Author
B.D. Anderson
- Function : Author
D. Arkhipkin
- Function : Author
G.S. Averichev
- Function : Author
Y. Bai
- Function : Author
J. Balewski
- Function : Author
O. Barannikova
- Function : Author
L.S. Barnby
- Function : Author
S. Baumgart
- Function : Author
D. R. Beavis
- Function : Author
R. Bellwied
- Function : Author
F. Benedosso
- Function : Author
M.J. Betancourt
- Function : Author
R.R. Betts
- Function : Author
S. Bhardwaj
- Function : Author
A. Bhasin
- Function : Author
A.K. Bhati
- Function : Author
H. Bichsel
- Function : Author
J. Bielcik
- Function : Author
J. Bielcikova
- Function : Author
B. Biritz
- Function : Author
L.C. Bland
- Function : Author
M. Bombara
- Function : Author
B. E. Bonner
- Function : Author
M. Botje
- Function : Author
J. Bouchet
- Function : Author
- PersonId : 740245
- IdHAL : jeromebouchet
- ORCID : 0000-0002-6611-4380
- IdRef : 144621908
E. Braidot
- Function : Author
A. V. Brandin
- Function : Author
E. Bruna
- Function : Author
S. Bueltmann
- Function : Author
T. P. Burton
- Function : Author
M. Bystersky
- Function : Author
X. Z. Cai
- Function : Author
H. Caines
- Function : Author
M. Calderon de La Barca Sanchez
- Function : Author
J. Callner
- Function : Author
O. Catu
- Function : Author
D. Cebra
- Function : Author
R. Cendejas
- Function : Author
M. C. Cervantes
- Function : Author
Z. Chajecki
- Function : Author
P. Chaloupka
- Function : Author
S. Chattopadhyay
- Function : Author
H. F. Chen
- Function : Author
J. H. Chen
- Function : Author
J. Y. Chen
- Function : Author
J. Cheng
- Function : Author
M. Cherney
- Function : Author
A. Chikanian
- Function : Author
K. E. Choi
- Function : Author
W. Christie
- Function : Author
S. U. Chung
- Function : Author
R. F. Clarke
- Function : Author
M. J. M. Codrington
- Function : Author
R. Corliss
- Function : Author
T. M. Cormier
- Function : Author
M. R. Cosentino
- Function : Author
J. G. Cramer
- Function : Author
H. J. Crawford
- Function : Author
D. Das
- Function : Author
S. Dash
- Function : Author
M. Daugherity
- Function : Author
C. de Silva
- Function : Author
T. G. Dedovich
- Function : Author
M. Dephillips
- Function : Author
A. A. Derevschikov
- Function : Author
R. Derradi de Souza
- Function : Author
L. Didenko
- Function : Author
P. Djawotho
- Function : Author
S. M. Dogra
- Function : Author
X. Dong
- Function : Author
J. L. Drachenberg
- Function : Author
J. E. Draper
- Function : Author
F. Du
- Function : Author
J. C. Dunlop
- Function : Author
M. R. Dutta Mazumdar
- Function : Author
W. R. Edwards
- Function : Author
L. G. Efimov
- Function : Author
E. Elhalhuli
- Function : Author
M. Elnimr
- Function : Author
V. Emelianov
- Function : Author
J. Engelage
- Function : Author
G. Eppley
- Function : Author
Magali Estienne
- Function : Author
- PersonId : 179790
- IdHAL : magali-estienne
- ORCID : 0000-0003-0687-5580
L. Eun
- Function : Author
P. Fachini
- Function : Author
R. Fatemi
- Function : Author
J. Fedorisin
- Function : Author
A. Feng
- Function : Author
P. Filip
- Function : Author
E. Finch
- Function : Author
V. Fine
- Function : Author
Y. Fisyak
- Function : Author
C.A. Gagliardi
- Function : Author
L. Gaillard
- Function : Author
D. R. Gangadharan
- Function : Author
M. S. Ganti
- Function : Author
E. Garcia-Solis
- Function : Author
V. Ghazikhanian
- Function : Author
P. Ghosh
- Function : Author
Y. N. Gorbunov
- Function : Author
A. Gordon
- Function : Author
O. Grebenyuk
- Function : Author
D. Grosnick
- Function : Author
B. Grube
- Function : Author
S. M. Guertin
- Function : Author
K. S. F. F. Guimaraes
- Function : Author
Anupam Gupta
- Function : Author
- PersonId : 6483
- IdHAL : anubhav-gupta
- IdRef : 189256958
N. Gupta
- Function : Author
- PersonId : 756430
- ORCID : 0000-0001-7547-4241
W. Guryn
- Function : Author
B. Haag
- Function : Author
T. J. Hallman
- Function : Author
A. Hamed
- Function : Author
J. W. Harris
- Function : Author
W. He
- Function : Author
M. Heinz
- Function : Author
S. Heppelmann
- Function : Author
A. Hirsch
- Function : Author
E. Hjort
- Function : Author
A. M. Hoffman
- Function : Author
G. W. Hoffmann
- Function : Author
D. J. Hofman
- Function : Author
R. S. Hollis
- Function : Author
H. Z. Huang
- Function : Author
T. J. Humanic
- Function : Author
G. Igo
- Function : Author
A. Iordanova
- Function : Author
P. Jacobs
- Function : Author
W.W. Jacobs
- Function : Author
P. Jakl
- Function : Author
F. Jin
- Function : Author
C. L. Jones
- Function : Author
P. G. Jones
- Function : Author
J. Joseph
- Function : Author
E. G. Judd
- Function : Author
K. Kajimoto
- Function : Author
K. Kang
- Function : Author
J. Kapitan
- Function : Author
M. Kaplan
- Function : Author
D. Keane
- Function : Author
A. Kechechyan
- Function : Author
D. Kettler
- Function : Author
V. Yu. Khodyrev
- Function : Author
D. P. Kikola
- Function : Author
J. Kiryluk
- Function : Author
A. Kisiel
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S. R. Klein
- Function : Author
A. G. Knospe
- Function : Author
A. Kocoloski
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D. D. Koetke
- Function : Author
M. Kopytine
- Function : Author
L. Kotchenda
- Function : Author
V. Kouchpil
- Function : Author
P. Kravtsov
- Function : Author
V. I. Kravtsov
- Function : Author
K. Krueger
- Function : Author
M. Krus
- Function : Author
L. Kumar
- Function : Author
P. Kurnadi
- Function : Author
M.A. C. Lamont
- Function : Author
J. M. Landgraf
- Function : Author
S. Lapointe
- Function : Author
J. Lauret
- Function : Author
A. A. Lebedev
- Function : Author
R. Lednicky
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C.-H. Lee
- Function : Author
W. Leight
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M. J. Levine
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C. Li
- Function : Author
Y. Li
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G. Lin
- Function : Author
S. J. Lindenbaum
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M. A. Lisa
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F. Liu
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H. Liu
- Function : Author
J. Liu
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L. Liu
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T. Ljubicic
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W. J. Llope
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R. S. Longacre
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W.A. Love
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Y. Lu
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T. Ludlam
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D. Lynn
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G. L. Ma
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Y. G. Ma
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D. P. Mahapatra
- Function : Author
R. Majka
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O. I. Mall
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L. K. Mangotra
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R. Manweiler
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S. Margetis
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C. Markert
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H. S. Matis
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Yu. A. Matulenko
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T. S. Mcshane
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A. Meschanin
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R. Milner
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N. G. Minaev
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S. Mioduszewski
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A. Mischke
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J. Mitchell
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B. Mohanty
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D.A. Morozov
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M. G. Munhoz
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B. K. Nandi
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C. Nattrass
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T. K. Nayak
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J. M. Nelson
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C. Nepali
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P. K. Netrakanti
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M. J. Ng
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L. V. Nogach
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S. B. Nurushev
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G. Odyniec
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A. Ogawa
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H. Okada
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V. Okorokov
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D. Olson
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M. Pachr
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B. S. Page
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S. K. Pal
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Y. Pandit
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Y. Panebratsev
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T. Pawlak
- Function : Author
T. Peitzmann
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V. Perevoztchikov
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C. Perkins
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W. Peryt
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S. C. Phatak
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M. Planinic
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J. Pluta
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N. Poljak
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A. M. Poskanzer
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B. V. K. S. Potukuchi
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D. Prindle
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C. Pruneau
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N. K. Pruthi
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J. Putschke
- Function : Author
R. Raniwala
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S. Raniwala
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R. L. Ray
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R. Redwine
- Function : Author
R. Reed
- Function : Author
A. Ridiger
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H. G. Ritter
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J. B. Roberts
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O. V. Rogachevskiy
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J. L. Romero
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A. Rose
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C. Roy
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- PersonId : 742351
- IdHAL : christelle-roy
- ORCID : 0000-0001-5920-6271
L. Ruan
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M. J. Russcher
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V. Rykov
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I. Sakrejda
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T. Sakuma
- Function : Author
S. Salur
- Function : Author
J. Sandweiss
- Function : Author
M. Sarsour
- Function : Author
J. Schambach
- Function : Author
R. P. Scharenberg
- Function : Author
N. Schmitz
- Function : Author
J. Seger
- Function : Author
I. Selyuzhenkov
- Function : Author
P. Seyboth
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Alexandre Shabetai
- Function : Author
- PersonId : 181202
- IdHAL : alexandre-shabetai
- ORCID : 0000-0003-3069-726X
E. Shahaliev
- Function : Author
M. Shao
- Function : Author
M. Sharma
- Function : Author
S.S. Shi
- Function : Author
X.-H. Shi
- Function : Author
E. P. Sichtermann
- Function : Author
F. Simon
- Function : Author
R. N. Singaraju
- Function : Author
M. J. Skoby
- Function : Author
N. Smirnov
- Function : Author
R. Snellings
- Function : Author
P. Sorensen
- Function : Author
J. Sowinski
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H. M. Spinka
- Function : Author
B. Srivastava
- Function : Author
A. Stadnik
- Function : Author
T. D. S. Stanislaus
- Function : Author
D. Staszak
- Function : Author
M. Strikhanov
- Function : Author
B. Stringfellow
- Function : Author
A. A. P. Suaide
- Function : Author
M. C. Suarez
- Function : Author
N. L. Subba
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M. Sumbera
- Function : Author
X. M. Sun
- Function : Author
Y. Sun
- Function : Author
- PersonId : 19094
- IdHAL : yanjun-sun
- IdRef : 253136563
Z. Sun
- Function : Author
- PersonId : 755382
- ORCID : 0000-0003-1825-7907
B. Surrow
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T. J. M. Symons
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A. Szanto de Toledo
- Function : Author
J. Takahashi
- Function : Author
A. H. Tang
- Function : Author
Z. Tang
- Function : Author
T. Tarnowsky
- Function : Author
D. Thein
- Function : Author
J. H. Thomas
- Function : Author
J. Tian
- Function : Author
A. R. Timmins
- Function : Author
S. Timoshenko
- Function : Author
D. Tlusty
- Function : Author
M. Tokarev
- Function : Author
T.A. Trainor
- Function : Author
V. N. Tram
- Function : Author
A. L. Trattner
- Function : Author
S. Trentalange
- Function : Author
R. E. Tribble
- Function : Author
O. D. Tsai
- Function : Author
J. Ulery
- Function : Author
T. Ullrich
- Function : Author
D. G. Underwood
- Function : Author
G. van Buren
- Function : Author
M. van Leeuwen
- Function : Author
A. M. Vander Molen
- Function : Author
J. A. Vanfossen
- Function : Author
R. Varma
- Function : Author
G. M. S. Vasconcelos
- Function : Author
I. M. Vasilevski
- Function : Author
A. N. Vasiliev
- Function : Author
F. Videbaek
- Function : Author
S. E. Vigdor
- Function : Author
Y. P. Viyogi
- Function : Author
S. Vokal
- Function : Author
S.A. Voloshin
- Function : Author
M. Wada
- Function : Author
- PersonId : 758063
- ORCID : 0000-0001-9611-2004
W. T. Waggoner
- Function : Author
M. Walker
- Function : Author
F. Wang
- Function : Author
- PersonId : 755354
- ORCID : 0000-0002-4684-3121
Gang Wang
- Function : Author
J. S. Wang
- Function : Author
Q. A. Wang
- Function : Author
X. Wang
- Function : Author
X. L. Wang
- Function : Author
Y. Wang
- Function : Author
J. C. Webb
- Function : Author
G. D. Westfall
- Function : Author
C. Whitten Jr.
- Function : Author
H. Wieman
- Function : Author
S. W. Wissink
- Function : Author
R. Witt
- Function : Author
Y. Wu
- Function : Author
- PersonId : 755339
- ORCID : 0000-0002-2039-0590
W. Xie
- Function : Author
N. Xu
- Function : Author
Q. H. Xu
- Function : Author
Y. Xu
- Function : Author
Z. Xu
- Function : Author
P. Yepes
- Function : Author
I.-K. Yoo
- Function : Author
Q. Yue
- Function : Author
M. Zawisza
- Function : Author
H. Zbroszczyk
- Function : Author
W. Zhan
- Function : Author
H. Zhang
- Function : Author
S. Zhang
- Function : Author
- PersonId : 755128
- ORCID : 0000-0002-2967-790X
W. M. Zhang
- Function : Author
Y. Zhang
- Function : Author
Z. P. Zhang
- Function : Author
Y. Zhao
- Function : Author
C. Zhong
- Function : Author
J. Zhou
- Function : Author
R. Zoulkarneev
- Function : Author
Y. Zoulkarneeva
- Function : Author
J. X. Zuo
- Function : Author
Abstract
In ultra-peripheral relativistic heavy-ion collisions, a photon from the electromagnetic field of one nucleus can fluctuate to a quark-antiquark pair and scatter from the other nucleus, emerging as a $\rho^0$. The $\rho^0$ production occurs in two well-separated (median impact parameters of 20 and 40 fermi for the cases considered here) nuclei, so the system forms a 2-source interferometer. At low transverse momenta, the two amplitudes interfere destructively, suppressing $\rho^0$ production. Since the $\rho^0$ decay before the production amplitudes from the two sources can overlap, the two-pion system can only be described with an entangled non-local wave function, and is thus an example of the Einstein-Podolsky-Rosen paradox. We observe this suppression in 200 GeV per nucleon-pair gold-gold collisions. The interference is $87% \pm 5% {\rm (stat.)}\pm 8%$ (syst.) of the expected level. This translates into a limit on decoherence due to wave function collapse or other factors, of 23% at the 90% confidence level.