Measurement E151M1457

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:	0.1041
Q²:	0.0171 GeV²
W:	1265.0 GeV
E_beam:	1.3383 GeV
ε:	0.9364

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	54.0	0.0	0.6653
0.45	30.0	0.6705	0.7758
0.45	270.0	0.0117	0.6765
0.55	246.0	0.0459	0.535
0.55	258.0	-0.3093	0.4798
0.55	270.0	0.3539	0.5295
0.65	138.0	1.0152	0.6917
0.65	234.0	-0.0581	0.5293
0.65	246.0	-0.0187	0.3473
0.65	258.0	-0.4174	0.3932
0.65	270.0	0.2845	0.4856
0.65	282.0	-0.6808	0.6793
0.75	138.0	-0.1628	0.5345
0.75	150.0	-0.3876	0.4755
0.75	162.0	-0.6808	0.5805
0.75	174.0	0.0953	0.5191
0.75	186.0	0.9368	0.6125
0.75	222.0	-0.0905	0.5721
0.75	234.0	-0.6924	0.4413
0.75	246.0	-0.2998	0.3693
0.75	258.0	0.4578	0.3914
0.75	270.0	-0.0242	0.5106
0.85	138.0	0.035	0.6276
0.85	150.0	0.627	0.5693
0.85	162.0	0.3717	0.5251
0.85	174.0	0.8388	0.6463
0.85	210.0	-0.9127	0.6011
0.85	222.0	1.2323	0.6057
0.85	234.0	0.2043	0.5011
0.85	246.0	0.1278	0.3975
0.85	258.0	-0.1995	0.4034
0.85	270.0	-0.4005	0.511
0.25	42.0	-0.4698	0.7467
0.25	54.0	-0.3112	0.8686
0.35	42.0	-2.0866	2.0866
0.35	54.0	0.3743	0.8418
0.45	42.0	1.4554	0.6975
0.55	246.0	0.8749	0.6873
0.55	258.0	-0.3076	0.5707
0.55	270.0	-0.038	0.5684
0.65	222.0	0.9814	0.7861
0.65	234.0	0.3786	0.5914
0.65	246.0	-0.4211	0.4877
0.65	258.0	-0.1761	0.476
0.65	270.0	-0.2572	0.6809
0.75	138.0	0.7301	0.9258
0.75	150.0	0.2331	0.8149
0.75	162.0	-0.2414	0.8213
0.75	174.0	1.1887	0.5426
0.75	222.0	1.6028	0.4135
0.75	234.0	0.4373	0.6181
0.75	246.0	-0.2836	0.465
0.75	258.0	0.4368	0.4655
0.75	270.0	0.0076	0.5787
0.85	150.0	-0.3133	0.7189
0.85	162.0	-0.6945	0.7099
0.85	174.0	1.7413	0.5089
0.85	186.0	2.2002	2.2002
0.85	210.0	0.1895	0.7977
0.85	222.0	-0.6211	0.7222
0.85	234.0	-0.2095	0.7429
0.85	246.0	-1.0126	0.4586
0.85	258.0	-0.1482	0.521
0.85	270.0	-1.2184	0.5718

CLAS Physics Database