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Measurement E151M1811

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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: ALL,

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

Q2 : 0.2445 GeV2
W : 1445 GeV
ε : 0.8482
Ebeam : 1.9889 GeV
εL: 0.3463 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

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

Measured data:

cos(θπ+) φ(π+),
degrees 		ALL Stat. error Syst. error
0.15 66 0.4949 0.9048 0.0424
0.35 66 1.0333 0.6789 0.0694
0.35 282 0.2707 0.8419 0.0342
0.35 294 -0.9454 0.8254 0.0647
0.55 114 -1.3995 0.7866 0.09
0.65 102 1.2973 0.6694 0.0841
0.65 114 -0.1523 0.6877 0.0314
0.65 258 1.1084 0.7997 0.0736
0.75 90 -0.5153 0.6518 0.0433
0.75 102 0.5143 0.6827 0.0433
0.75 114 0.1169 0.764 0.0308
0.75 126 -0.12 0.8462 0.0309
0.75 234 0.1779 0.7451 0.0319
0.75 246 0.442 0.7764 0.0402
0.75 258 -0.5083 0.7175 0.043
0.75 270 0.3593 0.6817 0.0371
0.85 66 -1.1959 0.7672 0.0784
0.85 78 1.0342 0.7264 0.0695
0.85 90 1.1654 0.7915 0.0767
0.85 102 0.9035 0.8357 0.0624
0.85 114 -0.583 0.6917 0.0463
0.85 126 0.3933 0.7661 0.0383
0.85 210 1.3347 0.8597 0.0863
0.85 234 -0.7124 0.7017 0.0526
0.85 246 -0.4794 0.7217 0.0418
0.85 258 -0.4545 0.5921 0.0407
0.85 270 0.1711 0.7237 0.0317
0.85 282 -0.0407 0.6346 0.0301
0.95 234 -0.4299 0.7487 0.0397
0.95 258 -0.2322 0.6892 0.0331
0.95 270 0.7338 0.6141 0.0536
0.95 282 -0.5698 0.6507 0.0457
0.95 294 -0.0458 0.6541 0.0301