Measurement E151M1583

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:	0.1741
Q²:	0.1205 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.7237

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	126.0	1.6645	0.8541
0.65	138.0	-0.8787	0.9112
0.65	150.0	-0.5863	0.9975
0.65	234.0	0.158	0.8388
0.65	246.0	-1.5231	0.6472
0.65	258.0	-0.0036	0.8325
0.75	114.0	0.6247	0.7724
0.75	126.0	0.9831	0.6656
0.75	138.0	0.4948	0.7334
0.75	150.0	-0.1419	0.8656
0.75	162.0	0.5482	0.8658
0.75	210.0	-2.516	2.516
0.75	222.0	1.1322	0.8793
0.75	234.0	-0.5889	0.8026
0.75	246.0	0.4181	0.734
0.75	258.0	1.456	0.8306
0.75	270.0	0.5423	0.8528
0.85	138.0	0.3993	0.749
0.85	234.0	0.0151	0.8714
0.85	246.0	-1.0523	0.7174
0.85	258.0	-0.6297	0.6772
0.85	270.0	1.8773	0.6357
0.95	90.0	-0.1308	0.7721
0.95	102.0	0.44	0.7123
0.95	114.0	0.3616	0.7723
0.95	234.0	1.2257	0.7079
0.95	246.0	-1.1249	0.7374
0.95	258.0	0.9314	0.7076
0.95	282.0	0.1287	0.7143
0.55	234.0	-1.5124	0.8438
0.65	114.0	-1.3183	1.1475
0.65	126.0	0.2952	1.2429
0.65	150.0	0.0667	1.1881
0.65	222.0	-0.2363	1.1094
0.65	234.0	-1.2365	0.7533
0.65	246.0	-2.1246	0.8814
0.65	258.0	0.1686	0.8919
0.75	126.0	-1.3195	1.0456
0.75	138.0	1.3134	1.0203
0.75	210.0	-0.0658	1.1018
0.75	222.0	0.7931	1.2176
0.75	234.0	-0.9904	0.9099
0.75	246.0	0.9102	0.752
0.75	258.0	-0.1814	0.8303
0.75	270.0	2.1274	0.7338
0.85	126.0	0.8742	1.272
0.85	150.0	-0.523	1.1249
0.85	234.0	-1.9198	0.6732
0.85	246.0	-0.8341	0.8831
0.85	258.0	-0.2993	0.8253
0.85	270.0	0.7566	0.8174
0.85	282.0	1.826	0.8002
0.95	90.0	-0.771	0.8479
0.95	234.0	-1.3693	0.7306
0.95	246.0	0.1819	0.9659
0.95	258.0	-0.4146	0.8052
0.95	270.0	0.5904	0.7181
0.95	282.0	-0.6711	0.8396

CLAS Physics Database