CLAS physics database search results
Measurement E151M1639
EG4
Xiaochao Zheng
2016

cos(theta_pi+)	phi(pi+)	A_LL	Stat. error	Syst. error
	degrees			
0.85	234	-0.786	0.9341	0.0559
0.65	246	-1.8286	0.8254	0.1105
0.75	246	-0.3613	1.1591	0.0366