CLAS physics database search results
Measurement E151M1931
EG4
Xiaochao Zheng
2016

cos(theta_pi+)	phi(pi+)	A_LL	Stat. error	Syst. error
	degrees			
0.55	210	-1.0058	0.8479	0.0679
0.75	66	-0.21	0.8743	0.0326
0.85	126	-0.8013	0.8678	0.0571