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Measurement E151M508

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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 : 0.1205 GeV2
W : 1295 GeV
ε : 0.9427
Ebeam : 1.9889 GeV
εL: 0.4756 

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
0.15 306 -0.5234 0.4613 0.0439
0.25 66 -0.4908 0.4167 0.0424
0.25 78 0.3873 0.5887 0.0382
0.25 294 -0.3624 0.5296 0.0373
0.25 306 0.1241 0.5071 0.0309
0.35 66 1.2666 0.4474 0.0831
0.35 78 0.0303 0.4439 0.0301
0.35 294 -0.0227 0.51 0.03
0.35 306 0.0751 0.6179 0.0303
0.45 66 -0.1139 0.4646 0.0308
0.45 78 1.0634 0.459 0.0716
0.45 294 0.1261 0.5774 0.031
0.55 66 0.1265 0.6015 0.031
0.55 78 0.7184 0.543 0.0532
0.55 270 -0.2193 0.4914 0.0329
0.55 282 -0.6583 0.4408 0.0502
0.55 294 -0.0561 0.5939 0.0302
0.65 78 0.8068 0.6217 0.0577
0.65 90 1.1634 0.7062 0.0772
0.65 102 -0.3526 0.5836 0.0369
0.65 114 0.0654 0.5858 0.0303
0.65 246 0.752 0.6775 0.0549
0.65 258 0.3983 0.4213 0.0386
0.65 270 -0.3294 0.311 0.0361
0.65 282 0.0168 0.4263 0.03
0.75 90 -0.328 0.4095 0.0361
0.75 102 0.1064 0.4465 0.0307
0.75 114 0.8539 0.4589 0.0602
0.75 126 0.877 0.6111 0.0615
0.75 234 0.2112 0.5287 0.0327
0.75 246 -0.2659 0.3883 0.0341
0.75 258 0.3435 0.3904 0.0366
0.75 270 -0.2912 0.3481 0.0349
0.75 282 -0.3297 0.3293 0.0361
0.75 294 0.0431 0.5118 0.0301
0.85 90 0.1125 0.4216 0.0308
0.85 102 -0.0711 0.3656 0.0303
0.85 114 0.1188 0.3818 0.0309
0.85 126 0.1937 0.4164 0.0323
0.85 138 -0.4533 0.3915 0.0409
0.85 150 0.0714 0.4511 0.0303
0.85 162 0.4315 0.6131 0.04
0.85 222 0.483 0.5355 0.0421
0.85 234 -0.2324 0.4164 0.0332
0.85 246 0.1124 0.3577 0.0308
0.85 258 0.3636 0.3559 0.0373
0.85 270 -0.3355 0.3544 0.0363
0.85 282 -0.1304 0.3134 0.031
0.95 90 0.2072 0.5221 0.0326
0.95 102 -0.612 0.3337 0.048
0.95 114 -0.1908 0.3142 0.0322
0.95 126 -0.316 0.3412 0.0357
0.95 138 0.2348 0.4865 0.0333
0.95 150 0.1493 0.4278 0.0314
0.95 162 -0.6021 0.3614 0.0475
0.95 174 1.3014 0.4673 0.0851
0.95 222 0.0636 0.4801 0.0303
0.95 234 -0.13 0.4411 0.031
0.95 246 -0.5285 0.3315 0.0441
0.95 258 0.2057 0.4201 0.0325
0.95 270 0.0917 0.3726 0.0305
0.95 282 -0.3485 0.3883 0.0368