CLAS physics database search results
Measurement E151M2158
EG4
Xiaochao Zheng
2016

cos(theta_pi+)	phi(pi+)	A_LL	Stat. error	Syst. error
	degrees			
0.85	114	-1.0121	0.7107	0.0724
0.85	126	0.0139	0.815	0.03