Spin Physics with PHENIX

Content

Spin Physics at RHIC 

Asymmetries  

RHIC Spin Project  
RIKEN-BNL Collaboration  

PHENIX Detector System  

(Not shown)PHENIX Muon Arms  

(Not shown)PHENIX MuID Beam Test@KEK 

Spin Sum Rule for the Proton  

“Proton Spin Crisis”  

(Not shown)Parton as a Carrier of Mom. 

(Not shown)Updates on “Spin Crisis” Dsigma(Q2)  

(Not shown)Updates on “Spin Crisis” DG 

Gluon Helicity Distribution  

(Not shown)Cross section for Hadron Reaction AB CX 

(Not shown)Asymmetry for AB CX 

(Not shown)Parton Level Asymmetries 

Prompt Photon Production 

Pol-DIS Data Proton 

Partonic Level Kinematics 

Sensitivity to DG(x)  

Models and Sensitivity Goal 

Anti-quark Helicity Distribution 

W detection with hi-pT lepton 

W yield with 800 pb-1 

Prediction and Projected Error 

Parton Level Kinematics 

Sensitivity Goal - statistical limit 

Parity Violation Beyond SM 

Summary

E-mail address: saito@bnl.gov