Measurement E151M1395

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:	0.0428
Q²:	0.0291 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6382

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	42.0	0.8198	0.7231
0.25	54.0	-0.3307	0.7913
0.35	30.0	-1.9769	0.817
0.35	42.0	-0.6652	0.7422
0.35	54.0	-0.7505	0.5737
0.45	30.0	-0.4653	0.8672
0.45	42.0	0.0232	0.6903
0.45	54.0	-0.214	0.5975
0.45	66.0	-0.411	0.9211
0.45	246.0	-0.3025	0.6883
0.45	258.0	-1.0564	0.9365
0.55	30.0	-1.8754	0.7926
0.55	42.0	-0.6389	0.6863
0.55	54.0	-0.2554	0.6881
0.55	150.0	0.4083	0.8004
0.55	162.0	0.5407	0.9208
0.55	210.0	-0.0278	0.8733
0.55	222.0	1.2355	0.6533
0.55	234.0	0.3058	0.5971
0.55	246.0	-0.8506	0.5659
0.55	258.0	0.0528	0.7138
0.65	150.0	0.4256	0.7811
0.65	162.0	-0.7937	0.7319
0.65	174.0	-0.5865	0.7368
0.65	210.0	-0.66	0.8029
0.65	222.0	0.4096	0.682
0.65	234.0	-0.9458	0.509
0.65	246.0	-0.9505	0.4601
0.65	258.0	-1.5205	0.5567
0.75	42.0	-1.0236	0.8412
0.75	138.0	-1.0514	0.8342
0.75	150.0	0.6326	0.8259
0.75	162.0	0.1376	0.8241
0.75	174.0	-1.5941	0.8083
0.75	210.0	0.6772	0.8449
0.75	222.0	-1.2249	0.6119
0.75	234.0	-0.9106	0.6417
0.75	246.0	-0.3164	0.4331
0.75	258.0	-0.0458	0.5037
0.85	222.0	0.4157	0.7436
0.85	234.0	-0.5429	0.5223
0.85	246.0	0.0368	0.5179
0.85	258.0	-1.5217	0.5389

CLAS Physics Database