David Silvermyr
Senior lecturer
Improved measurement of double helicity asymmetry in inclulsive midrapidity pi(0) production for polarized p+p collisions at root s=200 GeV
Author
- SS Adler
- S Afanasiev
- C Aidala
- NN Ajitanand
- Y Akiba
- A Al-Jamel
- J Alexander
- K Aoki
- L Aphecetche
- R Armendariz
- SH Aronson
- R Averbeck
- TC Awes
- B Azmoun
- V Babintsev
- A Baldisseri
- KN Barish
- PD Barnes
- B Bassalleck
- S Bathe
- S Batsouli
- V Baublis
- F Bauer
- A Bazilevsky
- S Belikov
- R Bennett
- Y Berdnikov
- MT Bjorndal
- JG Boissevain
- H Borel
- K Boyle
- ML Brooks
- DS Brown
- N Bruner
- D Bucher
- H Buesching
- V Bumazhnov
- G Bunce
- JM Burward-Hoy
- S Butsyk
- X Camard
- S Campbell
- JS Chai
- P Chand
- WC Chang
- S Chernichenko
- CY Chi
- J Chiba
- M Chiu
- IJ Choi
- RK Choudhury
- T Chujo
- V Cianciolo
- CR Cleven
- Y Cobigo
- BA Cole
- MP Comets
- P Constantin
- M Csanad
- T Csorgo
- JP Cussonneau
- D d'Enterria
- T Dahms
- K Das
- G David
- F Deak
- H Delagrange
- A Denisov
- A Deshpande
- EJ Desmond
- A Devismes
- O Dietzsch
- A Dion
- JL Drachenberg
- O Drapier
- A Drees
- AK Dubey
- A Durum
- D Dutta
- V Dzhordzhadze
- YV Efremenko
- J Egdemir
- A Enokizono
- H En'yo
- B Espagnon
- S Esumi
- DE Fields
- C Finck
- F Fleuret
- SL Fokin
- B Forestier
- BD Fox
- Z Fraenkel
- JE Frantz
- A Franz
- AD Frawley
- Y Fukao
- SY Fung
- S Gadrat
- F Gastineau
- M Germain
- A Glenn
- M Gonin
- J Gosset
- Y Goto
- RG de Cassagnac
- N Grau
- SV Greene
- MG Perdekamp
- T Gunji
- Hans-Åke Gustafsson
- T Hachiya
- AH Henni
- JS Haggerty
- MN Hagiwara
- H Hamagaki
- AG Hansen
- H Harada
- EP Hartouni
- K Haruna
- M Harvey
- Eva Haslum
- K Hasuko
- R Hayano
- X He
- M Heffner
- TK Hemmick
- JM Heuser
- P Hidas
- H Hiejima
- JC Hill
- R Hobbs
- M Holmes
- W Holzmann
- K Homma
- B Hong
- A Hoover
- T Horaguchi
- MG Hur
- T Ichihara
- VV Ikonnikov
- K Imai
- M Inaba
- M Inuzuka
- D Isenhower
- L Isenhower
- M Ishihara
- T Isobe
- M Issah
- A Isupov
- BV Jacak
- J Jia
- J Jin
- O Jinnouchi
- BM Johnson
- SC Johnson
- KS Joo
- D Jouan
- F Kajihara
- S Kametani
- N Kamihara
- M Kaneta
- JH Kang
- K Katou
- T Kawabata
- T Kawagishi
- AV Kazantsev
- S Kelly
- B Khachaturov
- A Khanzadeev
- J Kikuchi
- DJ Kim
- E Kim
- GB Kim
- HJ Kim
- YS Kim
- E Kinney
- A Kiss
- E Kistenev
- A Kiyomichi
- C Klein-Boesing
- H Kobayashi
- L Kochenda
- V Kochetkov
- R Kohara
- B Komkov
- M Konno
- D Kotchetkov
- A Kozlov
- PJ Kroon
- CH Kuberg
- GJ Kunde
- N Kurihara
- K Kurita
- MJ Kweon
- Y Kwon
- GS Kyle
- R Lacey
- JG Lajoie
- Y Le Bornec
- A Lebedev
- S Leckey
- DM Lee
- MK Lee
- MJ Leitch
- MAL Leite
- XH Li
- H Lim
- A Litvinenko
- MX Liu
- CF Maguire
- YI Makdisi
- A Malakhov
- MD Malik
- VI Manko
- Y Mao
- G Martinez
- H Masui
- F Matathias
- T Matsumoto
- MC McCain
- PL McGaughey
- Y Miake
- TE Miller
- A Milov
- S Mioduszewski
- GC Mishra
- JT Mitchell
- AK Mohanty
- DP Morrison
- JM Moss
- TV Moukhanova
- D Mukhopadhyay
- M Muniruzzaman
- J Murata
- S Nagamiya
- Y Nagata
- JL Nagle
- M Naglis
- T Nakamura
- J Newby
- M Nguyen
- BE Norman
- AS Nyanin
- Joakim Nystrand
- E O'Brien
- CA Ogilvie
- H Ohnishi
- ID Ojha
- H Okada
- K Okada
- OO Omiwade
- Anders Oskarsson
- Ingvar Otterlund
- K Oyama
- K Ozawa
- D Pal
- APT Palounek
- V Pantuev
- V Papavassiliou
- J Park
- WJ Park
- SF Pate
- H Pei
- V Penev
- JC Peng
- H Pereira
- V Peresedov
- DY Peressounko
- A Pierson
- C Pinkenburg
- RP Pisani
- ML Purschke
- AK Purwar
- H Qu
- JM Qualls
- J Rak
- I Ravinovich
- KF Read
- M Reuter
- K Reygers
- V Riabov
- Y Riabov
- G Roche
- A Romana
- M Rosati
- Sarah Rosendahl
- P Rosnet
- P Rukoyatkin
- VL Rykov
- SS Ryu
- B Sahlmueller
- N Saito
- T Sakaguchi
- S Sakai
- V Samsonov
- L Sanfratello
- R Santo
- HD Sato
- S Sato
- S Sawada
- Y Schutz
- V Semenov
- R Seto
- D Sharma
- TK Shea
- I Shein
- TA Shibata
- K Shigaki
- M Shimomura
- T Shohjoh
- K Shoji
- A Sickles
- CL Silva
- D Silvermyr
- KS Sim
- CP Singh
- V Singh
- S Skutnik
- WC Smith
- A Soldatov
- RA Soltz
- WE Sondheim
- IV Sourikova
- F Staley
- PW Stankus
- Evert Stenlund
- M Stepanov
- A Ster
- SP Stoll
- T Sugitate
- C Suire
- JP Sullivan
- J Sziklai
- T Tabaru
- S Takagi
- EM Takagui
- A Taketani
- KH Tanaka
- Y Tanaka
- K Tanida
- MJ Tannenbaum
- A Taranenko
- P Tarjan
- TL Thomas
- M Togawa
- J Tojo
- H Torii
- RS Towell
- VN Tram
- I Tserruya
- Y Tsuchimoto
- SK Tuli
- Henrik Tydesjö
- N Tyurin
- TJ Uam
- H Valle
- HW van Hecke
- J Velkovska
- M Velkovsky
- R Vertesi
- V Veszpremi
- AA Vinogradov
- MA Volkov
- E Vznuzdaev
- M Wagner
- XR Wang
- Y Watanabe
- J Wessels
- SN White
- N Willis
- D Winter
- FK Wohn
- CL Woody
- M Wysocki
- W Xie
- A Yanovich
- S Yokkaichi
- GR Young
- I Younus
- IE Yushmanov
- WA Zajc
- O Zaudtke
- C Zhang
- S Zhou
- J Zimanyi
- L Zolin
- X Zong
Summary, in English
We present an improved measurement of the double helicity asymmetry for pi(0) production in polarized proton-proton scattering at root s=200 GeV employing the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The improvements to our previous measurement come from two main factors: Inclusion of a new data set from the 2004 RHIC run with higher beam polarizations than the earlier run and a recalibration of the beam polarization measurements for the earlier run, which resulted in reduced uncertainties and increased beam polarizations. The results are compared to a Next to Leading Order (NLO) perturbative Quantum Chromodynamics (pQCD) calculation with a range of polarized gluon distributions.
Department/s
- Particle and nuclear physics
Publishing year
2006
Language
English
Publication/Series
Physical Review D (Particles, Fields, Gravitation and Cosmology)
Volume
73
Issue
9
Document type
Journal article
Publisher
American Physical Society
Topic
- Subatomic Physics
Status
Published
ISBN/ISSN/Other
- ISSN: 1550-2368