Measurement E151M1431

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_LL
ε_L:	0.7216
Q²:	0.101 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9181

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	282.0	-0.1037	0.4047
0.55	270.0	0.1008	0.7174
0.55	282.0	0.9702	0.5891
0.55	294.0	-0.0213	0.7248
0.65	270.0	-0.8608	0.6352
0.65	282.0	0.1141	0.5865
0.75	270.0	0.0203	0.7302
0.75	282.0	0.3164	0.6916
0.85	126.0	-0.3705	0.7276
0.85	138.0	-0.1732	0.7946
0.85	282.0	-0.0389	0.7412
0.95	102.0	0.9752	0.4803
0.95	114.0	-0.8693	0.6101
0.95	126.0	-1.0413	0.5772
0.95	138.0	0.939	0.511
0.95	150.0	0.3791	0.6522
0.95	162.0	-0.0163	0.6624
0.95	174.0	0.8388	0.5354
0.95	186.0	0.8756	0.584
0.95	198.0	0.7038	0.543
0.95	210.0	-0.806	0.599
0.45	294.0	-0.9278	0.5522
0.55	270.0	-0.3104	0.4594
0.55	282.0	-0.3864	0.464
0.55	294.0	-0.5726	0.4952
0.65	270.0	0.4966	0.4937
0.65	282.0	-0.2622	0.5768
0.75	270.0	0.0505	0.4389
0.75	282.0	0.9474	0.539
0.95	102.0	0.0569	0.5616
0.95	114.0	0.3883	0.5208
0.95	138.0	0.5628	0.4718
0.95	174.0	-0.7857	0.499
0.95	186.0	0.2116	0.4663
0.95	210.0	-0.5958	0.4451
0.95	222.0	0.0889	0.4845

CLAS Physics Database