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Measurement E151M2241

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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 : 0.4155 GeV2
W : 1415 GeV
ε : 0.9221
Ebeam : 2.999 GeV
εL: 0.5709 

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
0.25 294 -0.1941 0.7297 0.0331
0.45 90 1.1503 0.9068 0.0886
0.55 66 0.8116 0.8674 0.0661
0.55 78 -0.4793 0.9068 0.0459
0.55 90 -0.4045 0.7417 0.042
0.55 102 -0.6209 0.7519 0.0541
0.65 78 -1.6007 0.6037 0.1199
0.65 90 -0.1608 0.5553 0.0322
0.65 102 0.2768 0.667 0.0361
0.65 114 0.8997 0.6702 0.0718
0.65 246 -0.2734 0.9525 0.036
0.65 258 0.9243 0.6534 0.0734
0.65 270 -0.9757 0.7063 0.0768
0.65 282 1.8087 0.7777 0.1345
0.75 54 -0.1951 0.6972 0.0332
0.75 66 -0.0105 0.9916 0.03
0.75 78 -0.0535 0.616 0.0302
0.75 90 -0.0389 0.5661 0.0301
0.75 102 -0.2672 0.7052 0.0357
0.75 114 0.1211 0.9034 0.0313
0.75 126 -0.2012 0.968 0.0334
0.75 234 1.4296 0.8105 0.1079
0.75 246 0.9366 0.8402 0.0742
0.75 258 0.1795 0.6848 0.0327
0.75 270 0.2524 0.5845 0.0351
0.75 282 0.3683 0.5756 0.0402
0.75 294 -0.2607 0.6477 0.0355
0.75 306 0.0802 0.8127 0.0306
0.85 42 -0.4287 0.9323 0.0432
0.85 54 1.0714 0.7507 0.0833
0.85 78 -0.6805 0.6914 0.0577
0.85 90 0.1521 0.5897 0.032
0.85 102 0.2863 0.6333 0.0365
0.85 114 -0.3247 0.7588 0.0381
0.85 126 0.3595 0.8857 0.0397
0.85 210 0.0432 0.8961 0.0302
0.85 222 -0.302 0.6814 0.0371
0.85 234 1.359 0.6569 0.103
0.85 246 0.2907 0.7359 0.0367
0.85 258 0.7059 0.6983 0.0593
0.85 270 0.3367 0.5885 0.0387
0.85 282 0.0878 0.5503 0.0307
0.85 294 -0.9975 0.5638 0.0783
0.85 306 0.4777 0.5721 0.0458
0.85 318 -0.3239 0.5988 0.0381
0.95 210 -0.2275 0.8174 0.0342
0.95 222 0.3154 0.7332 0.0377
0.95 234 1.1018 0.6115 0.0853
0.95 246 0.0804 0.6493 0.0306
0.95 258 0.3567 0.6757 0.0396
0.95 270 -0.0747 0.5359 0.0305
0.95 282 0.055 0.6066 0.0303
0.95 294 0.515 0.5703 0.0479
0.95 306 0.4667 0.602 0.0452
0.95 318 0.9591 0.5389 0.0757
0.95 330 1.3213 0.6324 0.1004
0.95 342 -0.022 0.7787 0.03