CLAS Physics Database

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Measurement E151M1277

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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 :	0.0844 GeV²
W :	1265 GeV
ε :	0.8263
E_beam :	1.0539 GeV
ε_L:	0.3799

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
0.05	42	-0.9841	0.7224	0.115
0.15	42	-0.2514	0.6453	0.0413
0.15	54	1.4436	0.687	0.1656
0.25	30	-0.4678	0.7442	0.0607
0.25	42	-0.404	0.6181	0.0546
0.25	54	0.5741	0.7032	0.0714
0.35	42	-0.6123	0.6497	0.0753
0.45	270	-0.3613	0.6243	0.0506
0.45	282	-0.3571	0.5379	0.0502
0.55	258	-0.2454	0.484	0.0408
0.55	270	-0.2718	0.4265	0.0429
0.55	282	0.1178	0.4496	0.0328
0.55	294	0.4822	0.6855	0.0621
0.65	246	-0.3249	0.5198	0.0474
0.65	258	0.3897	0.3898	0.0532
0.65	270	0.151	0.3694	0.0345
0.65	282	0.0109	0.4157	0.03
0.65	294	-0.2374	0.6862	0.0402
0.75	126	-1.0611	0.7703	0.1234
0.75	138	-0.3274	0.6385	0.0476
0.75	162	0.0114	0.7635	0.03
0.75	234	-0.6479	0.5158	0.079
0.75	246	-0.2738	0.504	0.0431
0.75	258	0.3498	0.3535	0.0496
0.75	270	-0.4764	0.4006	0.0615
0.75	282	-0.2582	0.3853	0.0418
0.75	294	1.2012	0.527	0.1388
0.85	114	-0.3232	0.7292	0.0472
0.85	126	-0.05	0.4831	0.0305
0.85	138	-0.7427	0.4354	0.089
0.85	150	0.273	0.4417	0.043
0.85	162	1.3091	0.4223	0.1507
0.85	174	0.6647	0.4235	0.0808
0.85	186	0.0726	0.4942	0.0311
0.85	198	0.7308	0.5	0.0877
0.85	210	-0.3022	0.5887	0.0454
0.85	222	0.6829	0.7006	0.0827
0.85	234	-0.0219	0.5936	0.0301
0.85	246	0.0868	0.5057	0.0316
0.85	258	0.4917	0.4466	0.063
0.85	270	-0.4617	0.3988	0.0601
0.85	282	0.7248	0.3985	0.0871
0.95	102	0.0085	0.6023	0.03
0.95	126	0.1017	0.4401	0.0321
0.95	138	0.368	0.4881	0.0512
0.95	150	-0.0576	0.4547	0.0307
0.95	162	0.7107	0.3899	0.0856
0.95	174	0.1192	0.4464	0.0329
0.95	186	-0.1304	0.4474	0.0334
0.95	198	-0.3359	0.4278	0.0483
0.95	210	0.2508	0.4995	0.0412