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Measurement E151M2339

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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 : 1655 GeV
ε : 0.848
Ebeam : 2.999 GeV
εL: 0.2399 

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
0.55 90 0.8478 0.8282 0.0684
0.65 66 0.196 0.9698 0.0332
0.65 90 -1.0806 0.8976 0.0839
0.65 102 -0.8825 0.922 0.0707
0.65 114 -1.2886 0.7901 0.0981
0.65 306 -0.3927 0.861 0.0414
0.75 66 -0.2589 0.8523 0.0354
0.75 78 1.4309 0.7466 0.108
0.75 102 -0.8288 0.8523 0.0672
0.75 114 -0.524 0.8029 0.0484
0.75 198 -1.3252 0.9223 0.1007
0.75 246 -0.218 0.8923 0.0339
0.85 66 -0.1021 0.7283 0.0309
0.85 78 2.5994 2.5994 0.1909
0.85 90 -0.7406 0.8407 0.0615
0.85 186 0.739 0.9475 0.0614
0.85 198 0.5428 0.9982 0.0495
0.85 210 0.328 0.7552 0.0383
0.85 222 0.2822 0.9205 0.0363
0.85 234 -0.1779 0.7695 0.0327
0.85 246 -0.9361 0.681 0.0742
0.85 258 1.1184 0.6237 0.0865
0.85 270 -0.2675 0.7059 0.0357
0.85 282 0.0367 0.7985 0.0301
0.95 198 1.1628 0.8041 0.0895
0.95 210 0.1281 0.8528 0.0314
0.95 222 0.9395 0.7617 0.0744
0.95 234 0.5822 0.8235 0.0518
0.95 246 -0.2676 0.6377 0.0357
0.95 258 0.1702 0.7157 0.0324
0.95 270 -0.1947 0.7037 0.0332
0.95 282 -0.9892 0.7171 0.0778
0.95 294 -0.0143 0.6511 0.03
0.95 306 0.3669 0.751 0.0401