CLAS Physics Database

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Measurement E151M1334

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: A_LL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π⁺n, polarization: none

Q² :	0.0245 GeV²
W :	1355 GeV
ε :	0.7886
E_beam :	1.0539 GeV
ε_L:	0.0707

Select data slice:
cos(θ_π⁺) =

Observable quantity measured (Y axis): A_LL,
Plot measurement data

Parameter (X axis): φ(π⁺), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ_π⁺)	φ(π⁺), degrees	A_LL	Stat. error	Syst. error
0.25	42	-1.6179	0.703	0.1849
0.25	54	1.1998	0.8957	0.1386
0.35	30	0.8991	0.9319	0.1057
0.35	42	1.087	0.618	0.1262
0.35	54	0.343	0.6402	0.049
0.45	18	-0.9197	0.9505	0.108
0.45	30	-0.1334	0.5731	0.0336
0.45	42	-1.2104	0.5688	0.1398
0.45	54	-0.0965	0.743	0.0319
0.45	246	-0.7983	0.8962	0.0949
0.45	258	-0.2108	0.7583	0.0383
0.55	30	-0.1096	0.6885	0.0324
0.55	42	-0.4186	0.6626	0.0559
0.55	54	0.2382	0.7236	0.0403
0.55	222	-0.4436	0.7359	0.0583
0.55	234	0.0979	0.5982	0.032
0.55	246	-0.6682	0.5666	0.0811
0.55	258	0.2425	0.5538	0.0406
0.65	138	0.9974	0.9507	0.1164
0.65	150	-0.6307	0.7283	0.0772
0.65	162	-1.4147	0.6684	0.1624
0.65	174	-0.104	0.7049	0.0322
0.65	186	-1.2253	0.8461	0.1414
0.65	210	0.9687	0.7381	0.1133
0.65	222	-0.5942	0.6431	0.0734
0.65	234	0.0902	0.4875	0.0317
0.65	246	-0.658	0.4646	0.08
0.65	258	-0.3814	0.4798	0.0524
0.65	270	1.7024	0.7849	0.1943
0.75	126	0.1283	0.9077	0.0333
0.75	138	-0.4622	0.7592	0.0602
0.75	150	-1.3519	0.6764	0.1554
0.75	162	-0.9834	0.6526	0.1149
0.75	174	0.0368	0.8014	0.0303
0.75	222	0.4401	0.6842	0.058
0.75	234	-0.4355	0.4946	0.0576
0.75	246	0.1729	0.5102	0.0358
0.75	258	-0.1244	0.4818	0.0331
0.75	270	-0.0814	0.7266	0.0314
0.85	138	2.1615	0.8276	0.2456
0.85	162	-0.5923	0.8217	0.0732
0.85	222	0.8742	0.5985	0.1031
0.85	234	-0.0522	0.4543	0.0306
0.85	246	0.1129	0.4365	0.0326
0.85	258	0.5989	0.4607	0.0739
0.85	270	-0.8765	0.5729	0.1033
0.95	234	-0.0156	0.6485	0.0301
0.95	246	0.1023	0.5455	0.0321