Measurement E151M3270

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_LU
ε_L:	0.362
Q²:	0.2445 GeV²
W:	1445.0 GeV
E_beam:	2.2596 GeV
ε:	0.8866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	102.0	0.1425	0.248
0.75	90.0	0.1399	0.257
0.75	246.0	0.1176	0.2388
0.75	258.0	0.1678	0.2559
0.85	114.0	0.28	0.2318
0.85	234.0	0.1502	0.2539
0.85	258.0	-0.5062	0.2241
0.85	270.0	-0.1212	0.2283
0.95	246.0	0.1689	0.2202
0.95	282.0	-0.2221	0.2473
0.95	294.0	0.0405	0.2598
0.35	294.0	0.3306	0.2304
0.65	102.0	0.0742	0.2214
0.65	114.0	0.4567	0.2098
0.65	258.0	-0.4301	0.2339
0.75	90.0	0.1656	0.2202
0.75	102.0	0.1224	0.2153
0.75	114.0	0.4837	0.2199
0.75	126.0	0.1037	0.2406
0.75	234.0	0.1381	0.2569
0.75	246.0	-0.1159	0.2429
0.85	102.0	0.0225	0.2482
0.85	114.0	0.2375	0.2091
0.85	246.0	0.1523	0.2143
0.85	258.0	0.1943	0.2364
0.85	270.0	-0.1208	0.219
0.95	282.0	-0.0456	0.2255
0.95	294.0	-0.1333	0.221

CLAS Physics Database