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Measurement E151M1905

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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 : 0.0291 GeV2
W : 1655 GeV
ε : 0.7891
Ebeam : 1.9889 GeV
εL: 0.0227 

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
0.35 78 0.6984 0.716 0.0519
0.35 282 0.8156 0.7891 0.0578
0.45 18 0.4287 0.8431 0.0397
0.45 258 -0.4961 0.6856 0.0425
0.45 270 -1.3745 0.6438 0.0885
0.45 282 -0.6396 0.8007 0.049
0.55 78 -0.7126 0.8248 0.0526
0.55 126 -0.8137 0.6907 0.0577
0.55 210 -0.3018 0.8059 0.0351
0.55 258 1.5436 0.7212 0.0982
0.55 270 0.2755 0.6827 0.0343
0.55 282 -2.0996 2.0996 0.1307
0.65 126 -0.5305 0.7692 0.044
0.65 138 -0.9329 0.7664 0.064
0.65 150 -0.5102 0.8484 0.0431
0.65 210 -1.0839 0.7501 0.0722
0.65 222 0.3182 0.7988 0.0357
0.65 294 1.2237 0.7165 0.08
0.75 66 1.0119 0.7618 0.0683
0.75 126 -0.3813 0.8071 0.0379
0.75 210 -0.6462 0.7961 0.0493
0.75 222 -0.2154 0.7093 0.0327
0.75 234 0.6248 0.7111 0.0483
0.75 258 0.3233 0.7408 0.0358
0.75 270 -1.1623 0.5535 0.0766
0.75 282 0.4173 0.7054 0.0392
0.85 114 0.1208 0.6639 0.0309
0.85 126 0.6032 0.654 0.0473
0.85 198 -0.8971 0.8116 0.0621
0.85 210 -1.0525 0.5939 0.0705
0.85 222 0.5541 0.7122 0.045
0.85 234 -0.3739 0.765 0.0376
0.85 258 -0.2244 0.7811 0.0329