Measurement E151M3453

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:	0.6807
Q²:	0.496 GeV²
W:	1385.0 GeV
E_beam:	2.999 GeV
ε:	0.9169

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	90.0	-0.1736	0.2712
0.55	78.0	-0.0759	0.2211
0.55	90.0	-0.1545	0.2377
0.55	102.0	0.1803	0.2423
0.55	270.0	-0.108	0.43
0.65	66.0	0.7465	0.1667
0.65	78.0	-0.1225	0.2057
0.65	90.0	0.0204	0.2193
0.65	102.0	-0.3456	0.2101
0.65	258.0	-0.0995	0.2776
0.65	270.0	0.4973	0.2395
0.65	282.0	0.2249	0.2357
0.65	294.0	0.0884	0.2636
0.75	66.0	0.0222	0.2599
0.75	78.0	-0.2001	0.2145
0.75	90.0	0.0822	0.1883
0.75	102.0	-0.3557	0.2337
0.75	114.0	-0.2411	0.2485
0.75	234.0	-0.1543	0.2472
0.75	246.0	0.3607	0.1893
0.75	258.0	0.0456	0.2174
0.75	270.0	-0.3683	0.197
0.75	282.0	-0.2338	0.2443
0.75	294.0	-0.0877	0.2549
0.75	306.0	-0.0481	0.2595
0.85	42.0	-0.0451	0.2482
0.85	78.0	-0.1577	0.2176
0.85	90.0	0.0922	0.2456
0.85	102.0	0.3394	0.2573
0.85	126.0	-0.0629	0.2753
0.85	222.0	0.2569	0.2224
0.85	234.0	0.1308	0.2394
0.85	246.0	-0.0413	0.258
0.85	258.0	-0.1767	0.2293
0.85	270.0	0.1155	0.1945
0.85	282.0	-0.1537	0.2091
0.85	294.0	-0.0505	0.2054
0.85	306.0	-0.3886	0.1883
0.85	318.0	-0.1585	0.2227
0.85	330.0	-0.4204	0.2215
0.95	90.0	-0.2531	0.2557
0.95	222.0	-0.3054	0.2693
0.95	234.0	0.1223	0.2307
0.95	246.0	-0.2726	0.259
0.95	258.0	-0.1888	0.2698
0.95	270.0	0.0647	0.2556
0.95	282.0	0.0143	0.2673
0.95	294.0	0.1821	0.2544
0.95	306.0	-0.1766	0.2363
0.95	318.0	0.0852	0.2485
0.95	330.0	0.2505	0.2432

CLAS Physics Database