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Measurement E151M2789

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

Q2 : 0.205 GeV2
W : 1415 GeV
ε : 0.6925
Ebeam : 1.3383 GeV
εL: 0.284 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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 		ALU Stat. error Syst. error
0.65 234 0.2465 0.2669 0.0304
0.65 246 -0.7233 0.2419 0.0333
0.65 258 -0.0951 0.2702 0.0301
0.75 102 0.0103 0.2845 0.03
0.75 114 0.6237 0.2273 0.0325
0.75 138 0.126 0.2505 0.0301
0.75 162 0.0712 0.2783 0.03
0.75 234 -0.1859 0.2223 0.0302
0.75 246 -0.1583 0.2321 0.0302
0.75 270 0.0447 0.2615 0.03
0.85 114 -0.4753 0.2481 0.0315
0.85 138 0.1973 0.2606 0.0303
0.85 246 -0.0166 0.2342 0.03
0.85 258 -0.5785 0.2143 0.0322
0.85 270 -0.6283 0.2054 0.0325
0.95 78 -0.2777 0.252 0.0305
0.95 90 -0.0024 0.2502 0.03
0.95 270 -0.1169 0.272 0.0301
0.95 282 -0.3396 0.2378 0.0308
0.55 246 -0.4946 0.2939 0.0316
0.55 258 0.2802 0.3854 0.0305
0.55 270 -0.1658 0.3898 0.0302
0.65 246 -0.1637 0.4541 0.0302
0.65 258 0.1726 0.3222 0.0302
0.75 126 0.17 0.3783 0.0302
0.75 222 0.3539 0.3738 0.0308
0.75 234 -0.191 0.3786 0.0302
0.75 246 0.3246 0.277 0.0307
0.75 258 0.0366 0.3267 0.03
0.75 270 -0.2465 0.3417 0.0304
0.85 114 -0.7808 0.1828 0.0338
0.85 150 0.1733 0.3663 0.0302
0.85 270 -0.0969 0.3422 0.0301
0.85 282 -0.3177 0.3589 0.0307
0.85 294 0.1412 0.3539 0.0301