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Measurement E151M1032

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

Q2 : 0.496 GeV2
W : 1445 GeV
ε : 0.903
Ebeam : 2.999 GeV
εL: 0.5435 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
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
AUL Stat. error Syst. error
0.15 294 -0.8405 0.6267 0.0684
0.45 90 0.1332 0.754 0.0315
0.45 102 1.7936 0.9442 0.1345
0.55 78 -0.0875 0.6424 0.0307
0.55 90 -0.3289 0.6877 0.0384
0.55 102 -0.7074 0.5842 0.0598
0.65 54 -1.3852 0.553 0.1056
0.65 78 -1.553 0.4323 0.1174
0.65 90 0.1391 0.6794 0.0317
0.65 102 -0.0809 0.7688 0.0306
0.65 114 -0.0524 0.7375 0.0302
0.65 258 -1.0718 0.5806 0.0839
0.65 270 2.2518 0.8456 0.1673
0.75 54 0.1701 0.7621 0.0325
0.75 78 -0.135 0.6221 0.0316
0.75 90 0.4889 0.7064 0.0467
0.75 102 -0.0637 0.6586 0.0304
0.75 114 0.5 0.7597 0.0473
0.75 222 1.4931 0.9747 0.1132
0.75 246 -1.1032 0.5475 0.086
0.75 258 -1.1207 0.4719 0.0872
0.75 270 0.6813 0.6226 0.0581
0.75 282 -1.0332 0.5533 0.0813
0.85 54 0.3305 0.6387 0.0385
0.85 78 0.4296 0.7671 0.0434
0.85 90 -0.2621 0.5992 0.0356
0.85 102 1.4245 0.7953 0.1084
0.85 210 0.135 0.7513 0.0316
0.85 222 0.1418 0.7113 0.0317
0.85 234 -0.821 0.5924 0.0671
0.85 246 1.7011 0.72 0.1279
0.85 258 0.4848 0.7476 0.0464
0.85 270 0.4458 0.7187 0.0443
0.85 282 -0.0671 0.6383 0.0304
0.85 294 -0.5097 0.577 0.0478
0.85 306 1.0685 0.6361 0.0837
0.85 318 0.1308 0.5774 0.0315
0.95 234 -0.5796 0.6316 0.0519
0.95 258 -0.2078 0.5936 0.0336
0.95 282 1.1697 0.7726 0.0906
0.95 306 -0.1589 0.6437 0.0322
0.95 318 -0.1355 0.5285 0.0316
0.95 330 -0.3572 0.5929 0.0398