Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at $\sqrt{s}=$200 and 62.4 GeV - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Physical Review D Year : 2014

Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at $\sqrt{s}=$200 and 62.4 GeV

A. Adare , S. Afanasiev , C. Aidala , N. N. Ajitanand , Y. Akiba , H. Al-Bataineh , J. Alexander , A. Angerami , K. Aoki , N. Apadula , Laurent Aphecetche (1) , Y. Aramaki , J. Asai , E. T. Atomssa (2) , R. Averbeck , T. C. Awes , B. Azmoun , V. Babintsev , M. Bai , G. Baksay , L. Baksay , A. Baldisseri , K. N. Barish , P. D. Barnes , B. Bassalleck , A. T. Basye , S. Bathe , S. Batsouli , V. Baublis , Cédric Baumann , A. Bazilevsky , S. Belikov , R. Belmont , R. Bennett , A. Berdnikov , Y. Berdnikov , J. H. Bhom , A. A. Bickley , D. S. Blau , J. G. Boissevain , J. S. Bok , H. Borel , K. Boyle , M. L. Brooks , H. Buesching , V. Bumazhnov , G. Bunce , S. Butsyk , C. Muñoz Camacho , S. Campbell , A. Caringi , B. S. Chang , W. C. Chang , J. -L. Charvet , C. -H. Chen , S. Chernichenko , C. Y. Chi , M. Chiu , I. J. Choi , J. B. Choi , R. K. Choudhury , P. Christiansen , T. Chujo , P. Chung , A. Churyn , O. Chvala , V. Cianciolo , Z. Citron , B. A. Cole , Z. Conesa del Valle (2) , M. Connors , P. Constantin , M. Csanád , T. Csörgő , T. Dahms , S. Dairaku , I. Danchev , K. Das , A. Datta , G. David , M. K. Dayananda , A. Denisov , D. d'Enterria (2) , A. Deshpande , E. J. Desmond , K. V. Dharmawardane , O. Dietzsch , A. Dion , M. Donadelli , O. Drapier (2) , A. Drees , K. A. Drees , A. K. Dubey , J. M. Durham , A. Durum , D. Dutta , V. Dzhordzhadze , L. d'Orazio , S. Edwards , Y. V. Efremenko , F. Ellinghaus , T. Engelmore , A. Enokizono , H. En'Yo , S. Esumi , K. O. Eyser , B. Fadem , N. Feege , D. E. Fields , M. Finger , F. Fleuret (2) , S. L. Fokin , Z. Fraenkel , J. E. Frantz , A. Franz , A. D. Frawley , K. Fujiwara , Y. Fukao , T. Fusayasu , I. Garishvili , A. Glenn , H. Gong , M. Gonin (2) , J. Gosset , Y. Goto , R. Granier de Cassagnac (2) , N. Grau , S. V. Greene , G. Grim , M. Grosse Perdekamp , T. Gunji , H. -Å. Gustafsson , A. Hadj Henni (1) , J. S. Haggerty , K. I. Hahn , H. Hamagaki , J. Hamblen , R. Han , J. Hanks , E. P. Hartouni , K. Haruna , E. Haslum , R. Hayano , X. He , M. Heffner , T. K. Hemmick , T. Hester , J. C. Hill , M. Hohlmann , W. Holzmann , K. Homma , B. Hong , T. Horaguchi , D. Hornback , S. Huang , T. Ichihara , R. Ichimiya , H. Iinuma , Y. Ikeda , K. Imai , J. Imrek , M. Inaba , D. Isenhower , M. Ishihara , T. Isobe , M. Issah , A. Isupov , D. Ivanischev , Y. Iwanaga , B. V. Jacak , J. Jia , X. Jiang , J. Jin , B. M. Johnson , T. Jones , K. S. Joo , D. Jouan (3) , D. S. Jumper , F. Kajihara , S. Kametani , N. Kamihara , J. Kamin , J. H. Kang , J. Kapustinsky , K. Karatsu , M. Kasai , D. Kawall , M. Kawashima , A. V. Kazantsev , T. Kempel , A. Khanzadeev , K. M. Kijima , J. Kikuchi , A. Kim , B. I. Kim , D. H. Kim , D. J. Kim , E. Kim , E. -J. Kim , S. H. Kim , Y. -J. Kim , E. Kinney , K. Kiriluk , Á. Kiss , E. Kistenev , J. Klay , C. Klein-Boesing , D. Kleinjan , L. Kochenda , B. Komkov , M. Konno , J. Koster , A. Kozlov , A. Král , A. Kravitz , G. J. Kunde , K. Kurita , M. Kurosawa , M. J. Kweon , Y. Kwon , G. S. Kyle , R. Lacey , Y. S. Lai , J. G. Lajoie , D. Layton , A. Lebedev , D. M. Lee , J. Lee , K. B. Lee , K. S. Lee , T. Lee , M. J. Leitch , M. A. L. Leite , B. Lenzi , X. Li , P. Lichtenwalner , P. Liebing , L. A. Linden Levy , T. Liška , A. Litvinenko , Hong Liu , M. X. Liu , B. Love , D. Lynch , C. F. Maguire , Y. I. Makdisi , A. Malakhov , M. D. Malik , V. I. Manko , E. Mannel , Y. Mao , L. Mašek , H. Masui , F. Matathias , M. Mccumber , P. L. Mcgaughey , D. Mcglinchey , N. Means , B. Meredith , Y. Miake , T. Mibe , A. C. Mignerey , P. Mikeš , K. Miki , A. Milov , M. Mishra , J. T. Mitchell , A. K. Mohanty , H. J. Moon , Y. Morino , A. Morreale , D. P. Morrison , T. V. Moukhanova , D. Mukhopadhyay , T. Murakami , J. Murata , S. Nagamiya , J. L. Nagle , M. Naglis , M. I. Nagy , I. Nakagawa , Y. Nakamiya , K. R. Nakamura , T. Nakamura , K. Nakano , S. Nam , J. Newby , M. Nguyen , M. Nihashi , T. Niida , R. Nouicer , A. S. Nyanin , C. Oakley , E. O'Brien , S. X. Oda , C. A. Ogilvie , M. Oka , K. Okada , Y. Onuki , A. Oskarsson , M. Ouchida , K. Ozawa , R. Pak , A. P. T. Palounek , V. Pantuev , V. Papavassiliou , I. H. Park , J. Park , S. K. Park , W. J. Park , S. F. Pate , H. Pei , J. -C. Peng , H. Pereira , V. Peresedov , D. Yu. Peressounko , R. Petti , C. Pinkenburg , R. P. Pisani , M. Proissl , M. L. Purschke , A. K. Purwar , H. Qu , J. Rak , A. Rakotozafindrabe (2) , I. Ravinovich , K. F. Read , S. Rembeczki , K. Reygers , V. Riabov , Y. Riabov , E. Richardson , D. Roach , G. Roche (4) , S. D. Rolnick , M. Rosati , C. A. Rosen , S. S. E. Rosendahl , P. Rosnet (4) , P. Rukoyatkin , P. Ružička , V. L. Rykov , B. Sahlmueller , N. Saito , T. Sakaguchi , S. Sakai , K. Sakashita , V. Samsonov , S. Sano , T. Sato , S. Sawada , K. Sedgwick , J. Seele , R. Seidl , A. Yu. Semenov , V. Semenov , R. Seto , D. Sharma , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , K. Shoji , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , C. Silvestre , K. S. Sim , B. K. Singh , C. P. Singh , V. Singh , M. Slunečka , A. Soldatov , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , F. Staley , P. W. Stankus , E. Stenlund , M. Stepanov , A. Ster , S. P. Stoll , T. Sugitate , C. Suire (3) , A. Sukhanov , J. Sziklai , E. M. Takagui , A. Taketani , R. Tanabe , Y. Tanaka , S. Taneja , K. Tanida , M. J. Tannenbaum , S. Tarafdar , A. Taranenko , P. Tarján , H. Themann , D. Thomas , T. L. Thomas , M. Togawa , A. Toia , L. Tomášek , Y. Tomita , H. Torii , R. S. Towell , V-N. Tram (2) , I. Tserruya , Y. Tsuchimoto , C. Vale , H. Valle , H. W. van Hecke , E. Vazquez-Zambrano , A. Veicht , J. Velkovska , R. Vértesi , A. A. Vinogradov , M. Virius , A. Vossen , V. Vrba , E. Vznuzdaev , X. R. Wang , D. Watanabe , K. Watanabe , Y. Watanabe , F. Wei , R. Wei , J. Wessels , S. N. White , D. Winter , C. L. Woody , R. M. Wright , M. Wysocki , W. Xie , Y. L. Yamaguchi , K. Yamaura , R. Yang , A. Yanovich , J. Ying , S. Yokkaichi , Z. You , G. R. Young , I. Younus , I. E. Yushmanov , W. A. Zajc , O. Zaudtke , C. Zhang , S. Zhou , L. Zolin
A. Adare
  • Function : Author
S. Afanasiev
  • Function : Author
C. Aidala
  • Function : Author
N. N. Ajitanand
  • Function : Author
Y. Akiba
  • Function : Author
H. Al-Bataineh
  • Function : Author
J. Alexander
  • Function : Author
A. Angerami
  • Function : Author
K. Aoki
  • Function : Author
N. Apadula
  • Function : Author
Laurent Aphecetche
Y. Aramaki
  • Function : Author
J. Asai
  • Function : Author
R. Averbeck
  • Function : Author
T. C. Awes
  • Function : Author
B. Azmoun
  • Function : Author
V. Babintsev
  • Function : Author
M. Bai
  • Function : Author
G. Baksay
  • Function : Author
L. Baksay
  • Function : Author
A. Baldisseri
  • Function : Author
K. N. Barish
  • Function : Author
P. D. Barnes
  • Function : Author
B. Bassalleck
  • Function : Author
A. T. Basye
  • Function : Author
S. Bathe
  • Function : Author
S. Batsouli
  • Function : Author
V. Baublis
  • Function : Author
Cédric Baumann
A. Bazilevsky
  • Function : Author
S. Belikov
  • Function : Author
R. Belmont
  • Function : Author
R. Bennett
  • Function : Author
A. Berdnikov
  • Function : Author
Y. Berdnikov
  • Function : Author
J. H. Bhom
  • Function : Author
A. A. Bickley
  • Function : Author
D. S. Blau
  • Function : Author
J. G. Boissevain
  • Function : Author
J. S. Bok
  • Function : Author
H. Borel
  • Function : Author
K. Boyle
  • Function : Author
M. L. Brooks
  • Function : Author
H. Buesching
  • Function : Author
V. Bumazhnov
  • Function : Author
G. Bunce
  • Function : Author
S. Butsyk
  • Function : Author
C. Muñoz Camacho
S. Campbell
  • Function : Author
A. Caringi
  • Function : Author
B. S. Chang
  • Function : Author
W. C. Chang
  • Function : Author
J. -L. Charvet
  • Function : Author
C. -H. Chen
  • Function : Author
S. Chernichenko
  • Function : Author
C. Y. Chi
  • Function : Author
M. Chiu
  • Function : Author
I. J. Choi
  • Function : Author
J. B. Choi
  • Function : Author
R. K. Choudhury
  • Function : Author
P. Christiansen
  • Function : Author
T. Chujo
  • Function : Author
P. Chung
  • Function : Author
A. Churyn
  • Function : Author
O. Chvala
  • Function : Author
V. Cianciolo
  • Function : Author
Z. Citron
  • Function : Author
B. A. Cole
  • Function : Author
M. Connors
  • Function : Author
P. Constantin
  • Function : Author
M. Csanád
  • Function : Author
T. Csörgő
  • Function : Author
T. Dahms
  • Function : Author
S. Dairaku
  • Function : Author
I. Danchev
  • Function : Author
K. Das
  • Function : Author
A. Datta
  • Function : Author
G. David
  • Function : Author
M. K. Dayananda
  • Function : Author
A. Denisov
  • Function : Author
A. Deshpande
  • Function : Author
E. J. Desmond
  • Function : Author
K. V. Dharmawardane
  • Function : Author
O. Dietzsch
  • Function : Author
A. Dion
  • Function : Author
M. Donadelli
  • Function : Author
A. Drees
  • Function : Author
K. A. Drees
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A. K. Dubey
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J. M. Durham
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A. Durum
  • Function : Author
D. Dutta
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V. Dzhordzhadze
  • Function : Author
L. d'Orazio
  • Function : Author
S. Edwards
  • Function : Author
Y. V. Efremenko
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F. Ellinghaus
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T. Engelmore
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A. Enokizono
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H. En'Yo
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S. Esumi
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K. O. Eyser
  • Function : Author
B. Fadem
  • Function : Author
N. Feege
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D. E. Fields
  • Function : Author
M. Finger
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S. L. Fokin
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Z. Fraenkel
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J. E. Frantz
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A. Franz
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A. D. Frawley
  • Function : Author
K. Fujiwara
  • Function : Author
Y. Fukao
  • Function : Author
T. Fusayasu
  • Function : Author
I. Garishvili
  • Function : Author
A. Glenn
  • Function : Author
H. Gong
  • Function : Author
J. Gosset
  • Function : Author
Y. Goto
  • Function : Author
R. Granier de Cassagnac
N. Grau
  • Function : Author
S. V. Greene
  • Function : Author
G. Grim
  • Function : Author
M. Grosse Perdekamp
  • Function : Author
T. Gunji
  • Function : Author
H. -Å. Gustafsson
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J. S. Haggerty
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K. I. Hahn
  • Function : Author
H. Hamagaki
  • Function : Author
J. Hamblen
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R. Han
  • Function : Author
J. Hanks
  • Function : Author
E. P. Hartouni
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K. Haruna
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E. Haslum
  • Function : Author
R. Hayano
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X. He
  • Function : Author
M. Heffner
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T. K. Hemmick
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T. Hester
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J. C. Hill
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M. Hohlmann
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W. Holzmann
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K. Homma
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B. Hong
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T. Horaguchi
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D. Hornback
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S. Huang
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T. Ichihara
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R. Ichimiya
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H. Iinuma
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Y. Ikeda
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K. Imai
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J. Imrek
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M. Inaba
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D. Isenhower
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M. Ishihara
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T. Isobe
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M. Issah
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A. Isupov
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D. Ivanischev
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Y. Iwanaga
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B. V. Jacak
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J. Jia
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X. Jiang
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J. Jin
  • Function : Author
B. M. Johnson
  • Function : Author
T. Jones
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K. S. Joo
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D. S. Jumper
  • Function : Author
F. Kajihara
  • Function : Author
S. Kametani
  • Function : Author
N. Kamihara
  • Function : Author
J. Kamin
  • Function : Author
J. H. Kang
  • Function : Author
J. Kapustinsky
  • Function : Author
K. Karatsu
  • Function : Author
M. Kasai
  • Function : Author
D. Kawall
  • Function : Author
M. Kawashima
  • Function : Author
A. V. Kazantsev
  • Function : Author
T. Kempel
  • Function : Author
A. Khanzadeev
  • Function : Author
K. M. Kijima
  • Function : Author
J. Kikuchi
  • Function : Author
A. Kim
  • Function : Author
B. I. Kim
  • Function : Author
D. H. Kim
  • Function : Author
D. J. Kim
  • Function : Author
E. Kim
  • Function : Author
E. -J. Kim
  • Function : Author
S. H. Kim
  • Function : Author
Y. -J. Kim
  • Function : Author
E. Kinney
  • Function : Author
K. Kiriluk
  • Function : Author
Á. Kiss
  • Function : Author
E. Kistenev
  • Function : Author
J. Klay
  • Function : Author
C. Klein-Boesing
  • Function : Author
D. Kleinjan
  • Function : Author
L. Kochenda
  • Function : Author
B. Komkov
  • Function : Author
M. Konno
  • Function : Author
J. Koster
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A. Kozlov
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A. Král
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A. Kravitz
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G. J. Kunde
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K. Kurita
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M. Kurosawa
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M. J. Kweon
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Y. Kwon
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G. S. Kyle
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R. Lacey
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Y. S. Lai
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J. G. Lajoie
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D. Layton
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A. Lebedev
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D. M. Lee
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J. Lee
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K. B. Lee
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K. S. Lee
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T. Lee
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M. J. Leitch
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M. A. L. Leite
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B. Lenzi
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X. Li
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P. Lichtenwalner
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P. Liebing
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L. A. Linden Levy
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T. Liška
  • Function : Author
A. Litvinenko
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Hong Liu
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M. X. Liu
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B. Love
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D. Lynch
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C. F. Maguire
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Y. I. Makdisi
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A. Malakhov
  • Function : Author
M. D. Malik
  • Function : Author
V. I. Manko
  • Function : Author
E. Mannel
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Y. Mao
  • Function : Author
L. Mašek
  • Function : Author
H. Masui
  • Function : Author
F. Matathias
  • Function : Author
M. Mccumber
  • Function : Author
P. L. Mcgaughey
  • Function : Author
D. Mcglinchey
  • Function : Author
N. Means
  • Function : Author
B. Meredith
  • Function : Author
Y. Miake
  • Function : Author
T. Mibe
A. C. Mignerey
  • Function : Author
P. Mikeš
  • Function : Author
K. Miki
  • Function : Author
A. Milov
  • Function : Author
M. Mishra
  • Function : Author
J. T. Mitchell
  • Function : Author
A. K. Mohanty
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H. J. Moon
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Y. Morino
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A. Morreale
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D. P. Morrison
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T. V. Moukhanova
  • Function : Author
D. Mukhopadhyay
  • Function : Author
T. Murakami
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J. Murata
  • Function : Author
S. Nagamiya
  • Function : Author
J. L. Nagle
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M. Naglis
  • Function : Author
M. I. Nagy
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I. Nakagawa
  • Function : Author
Y. Nakamiya
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K. R. Nakamura
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T. Nakamura
  • Function : Author
K. Nakano
  • Function : Author
S. Nam
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J. Newby
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M. Nguyen
  • Function : Author
M. Nihashi
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T. Niida
  • Function : Author
R. Nouicer
  • Function : Author
A. S. Nyanin
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C. Oakley
  • Function : Author
E. O'Brien
  • Function : Author
S. X. Oda
  • Function : Author
C. A. Ogilvie
  • Function : Author
M. Oka
  • Function : Author
K. Okada
  • Function : Author
Y. Onuki
  • Function : Author
A. Oskarsson
  • Function : Author
M. Ouchida
  • Function : Author
K. Ozawa
  • Function : Author
R. Pak
  • Function : Author
A. P. T. Palounek
  • Function : Author
V. Pantuev
  • Function : Author
V. Papavassiliou
  • Function : Author
I. H. Park
  • Function : Author
J. Park
S. K. Park
  • Function : Author
W. J. Park
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S. F. Pate
  • Function : Author
H. Pei
  • Function : Author
J. -C. Peng
  • Function : Author
H. Pereira
  • Function : Author
V. Peresedov
  • Function : Author
D. Yu. Peressounko
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R. Petti
  • Function : Author
C. Pinkenburg
  • Function : Author
R. P. Pisani
  • Function : Author
M. Proissl
  • Function : Author
M. L. Purschke
  • Function : Author
A. K. Purwar
  • Function : Author
H. Qu
  • Function : Author
J. Rak
  • Function : Author
I. Ravinovich
  • Function : Author
K. F. Read
  • Function : Author
S. Rembeczki
  • Function : Author
K. Reygers
  • Function : Author
V. Riabov
  • Function : Author
Y. Riabov
  • Function : Author
E. Richardson
  • Function : Author
D. Roach
  • Function : Author
S. D. Rolnick
  • Function : Author
M. Rosati
  • Function : Author
C. A. Rosen
  • Function : Author
S. S. E. Rosendahl
  • Function : Author
P. Rukoyatkin
  • Function : Author
P. Ružička
  • Function : Author
V. L. Rykov
  • Function : Author
B. Sahlmueller
  • Function : Author
N. Saito
  • Function : Author
T. Sakaguchi
  • Function : Author
S. Sakai
  • Function : Author
K. Sakashita
  • Function : Author
V. Samsonov
  • Function : Author
S. Sano
  • Function : Author
T. Sato
  • Function : Author
S. Sawada
  • Function : Author
K. Sedgwick
  • Function : Author
J. Seele
  • Function : Author
R. Seidl
  • Function : Author
A. Yu. Semenov
  • Function : Author
V. Semenov
  • Function : Author
R. Seto
  • Function : Author
D. Sharma
  • Function : Author
I. Shein
  • Function : Author
T. -A. Shibata
  • Function : Author
K. Shigaki
  • Function : Author
M. Shimomura
  • Function : Author
K. Shoji
  • Function : Author
P. Shukla
  • Function : Author
A. Sickles
  • Function : Author
C. L. Silva
  • Function : Author
D. Silvermyr
  • Function : Author
C. Silvestre
  • Function : Author
K. S. Sim
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B. K. Singh
  • Function : Author
C. P. Singh
  • Function : Author
V. Singh
  • Function : Author
M. Slunečka
  • Function : Author
A. Soldatov
  • Function : Author
R. A. Soltz
  • Function : Author
W. E. Sondheim
  • Function : Author
S. P. Sorensen
  • Function : Author
I. V. Sourikova
  • Function : Author
F. Staley
  • Function : Author
P. W. Stankus
  • Function : Author
E. Stenlund
  • Function : Author
M. Stepanov
  • Function : Author
A. Ster
  • Function : Author
S. P. Stoll
  • Function : Author
T. Sugitate
  • Function : Author
A. Sukhanov
  • Function : Author
J. Sziklai
  • Function : Author
E. M. Takagui
  • Function : Author
A. Taketani
  • Function : Author
R. Tanabe
  • Function : Author
Y. Tanaka
  • Function : Author
S. Taneja
  • Function : Author
K. Tanida
  • Function : Author
M. J. Tannenbaum
  • Function : Author
S. Tarafdar
  • Function : Author
A. Taranenko
  • Function : Author
P. Tarján
  • Function : Author
H. Themann
  • Function : Author
D. Thomas
  • Function : Author
T. L. Thomas
  • Function : Author
M. Togawa
  • Function : Author
A. Toia
  • Function : Author
L. Tomášek
  • Function : Author
Y. Tomita
  • Function : Author
H. Torii
  • Function : Author
R. S. Towell
  • Function : Author
I. Tserruya
  • Function : Author
Y. Tsuchimoto
  • Function : Author
C. Vale
  • Function : Author
H. Valle
  • Function : Author
H. W. van Hecke
  • Function : Author
E. Vazquez-Zambrano
  • Function : Author
A. Veicht
  • Function : Author
J. Velkovska
  • Function : Author
R. Vértesi
  • Function : Author
A. A. Vinogradov
  • Function : Author
M. Virius
  • Function : Author
A. Vossen
  • Function : Author
V. Vrba
  • Function : Author
E. Vznuzdaev
  • Function : Author
X. R. Wang
  • Function : Author
D. Watanabe
  • Function : Author
K. Watanabe
Y. Watanabe
  • Function : Author
F. Wei
  • Function : Author
R. Wei
  • Function : Author
J. Wessels
  • Function : Author
S. N. White
  • Function : Author
D. Winter
  • Function : Author
C. L. Woody
  • Function : Author
R. M. Wright
  • Function : Author
M. Wysocki
  • Function : Author
W. Xie
  • Function : Author
Y. L. Yamaguchi
  • Function : Author
K. Yamaura
  • Function : Author
R. Yang
  • Function : Author
A. Yanovich
  • Function : Author
J. Ying
  • Function : Author
S. Yokkaichi
  • Function : Author
Z. You
  • Function : Author
G. R. Young
  • Function : Author
I. Younus
  • Function : Author
I. E. Yushmanov
  • Function : Author
W. A. Zajc
  • Function : Author
O. Zaudtke
  • Function : Author
C. Zhang
  • Function : Author
S. Zhou
  • Function : Author
L. Zolin
  • Function : Author

Abstract

Measurements of transverse-single-spin asymmetries ($A_{N}$) in $p$$+$$p$ collisions at $\sqrt{s}=$62.4 and 200 GeV with the PHENIX detector at RHIC are presented. At midrapidity, $A_{N}$ is measured for neutral pion and eta mesons reconstructed from diphoton decay, and at forward rapidities, neutral pions are measured using both diphotons and electromagnetic clusters. The neutral-pion measurement of $A_{N}$ at midrapidity is consistent with zero with uncertainties a factor of 20 smaller than previous publications, which will lead to improved constraints on the gluon Sivers function. At higher rapidities, where the valence quark distributions are probed, the data exhibit sizable asymmetries. In comparison with previous measurements in this kinematic region, the new data extend the kinematic coverage in $\sqrt{s}$ and $p_T$, and it is found that the asymmetries depend only weakly on $\sqrt{s}$. The origin of the forward $A_{N}$ is presently not understood quantitatively. The extended reach to higher $p_T$ probes the transition between transverse momentum dependent effects at low $p_T$ and multi-parton dynamics at high $p_T$.

Dates and versions

in2p3-00919330 , version 1 (16-12-2013)

Identifiers

Cite

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, et al.. Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at $\sqrt{s}=$200 and 62.4 GeV. Physical Review D, 2014, 90, pp.012006. ⟨10.1103/PhysRevD.90.012006⟩. ⟨in2p3-00919330⟩
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