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Measurement E151M368

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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 : 0.0143 GeV2
W : 1475 GeV
ε : 0.773
Ebeam : 1.3383 GeV
εL: 0.0228 

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 Data errors Systematic errors
0.45 42 -1.1292 0.5415 0.0743
0.45 222 1.8009 1.257 0.1125
0.45 234 0.2248 0.4668 0.0374
0.55 18 -0.647 0.6911 0.0492
0.55 30 -0.3663 0.4271 0.0439
0.55 42 0.2901 0.4755 0.0351
0.55 54 -0.2678 0.9829 0.0341
0.55 126 -0.4189 0.5269 0.0659
0.55 138 -0.8884 0.4132 0.0676
0.55 150 0.0626 1.0337 0.0302
0.55 210 0.6651 0.4264 0.068
0.55 222 -0.3368 0.3901 0.039
0.55 234 -0.1123 0.3384 0.0495
0.55 246 -0.2991 0.4706 0.0354
0.65 126 -0.2506 0.4934 0.0338
0.65 138 -1.5193 0.356 0.0994
0.65 150 -0.0628 0.4642 0.0417
0.65 162 -0.0202 0.6941 0.03
0.65 210 -0.0016 0.4374 0.0415
0.65 222 0.2459 0.4888 0.0423
0.65 234 0.399 0.3504 0.0563
0.65 246 -0.4291 0.4198 0.0406
0.75 126 -0.6187 0.8343 0.0478
0.75 138 -0.1477 0.5496 0.0314
0.75 150 0.4517 0.5685 0.041
0.75 210 0.3756 0.5066 0.0425
0.75 222 0.0966 0.3169 0.0438
0.75 234 0.0796 0.3797 0.0352
0.75 246 0.53 0.4486 0.0506
0.85 126 -0.9008 0.4986 0.0705
0.85 150 -1.3942 0.5377 0.0914
0.85 210 0.3345 0.4189 0.0408
0.85 222 -0.1613 0.4306 0.0386
0.85 234 0.6898 0.4247 0.0519
0.85 246 0.3145 0.5012 0.0394