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Measurement E151M1526

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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 : 0.1435 GeV2
W : 1355 GeV
ε : 0.7997
Ebeam : 1.3383 GeV
εL: 0.3345 

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
0.55 258 -0.0624 0.6341 0.0753
0.55 270 -1.2727 0.5967 0.0841
0.65 126 0.4905 0.6368 0.065
0.65 234 0.6951 0.738 0.0513
0.65 246 0.2261 0.5157 0.0368
0.65 258 -0.8804 0.4235 0.0646
0.65 270 1.0042 0.4753 0.0692
0.75 102 1.0838 0.7393 0.0716
0.75 114 0.0241 0.5823 0.0312
0.75 126 -0.1446 0.5387 0.0312
0.75 138 0.3939 0.6374 0.0401
0.75 222 1.6109 0.6986 0.1011
0.75 234 -0.194 0.4957 0.0462
0.75 246 0.4978 0.5534 0.042
0.75 258 0.5385 0.4951 0.0447
0.75 270 -0.0995 0.551 0.0474
0.75 282 0.8004 0.5496 0.0589
0.85 102 -0.1177 0.6331 0.0321
0.85 114 0.7858 0.5345 0.0758
0.85 126 0.1032 0.5443 0.0307
0.85 138 0.8014 0.5238 0.0574
0.85 150 0.5108 0.5873 0.0428
0.85 162 -0.4003 1.0988 0.038
0.85 234 0.1467 0.5464 0.0317
0.85 246 -0.5242 0.533 0.0432
0.85 258 0.8755 0.5265 0.074
0.85 270 0.0729 0.4877 0.0349
0.85 282 0.4081 0.391 0.0399
0.85 294 0.5299 0.4741 0.0443
0.95 78 -0.3421 0.5167 0.0732
0.95 90 -0.1671 0.7901 0.0566
0.95 102 0.5804 0.6962 0.0459
0.95 126 0.161 1.0688 0.0314
0.95 138 0.7063 0.7125 0.0519
0.95 150 -0.4393 0.6708 0.0399
0.95 174 -0.14 0.8115 0.0312
0.95 234 0.1394 0.5687 0.036
0.95 246 -0.5323 0.7682 0.0431
0.95 258 0.2206 0.478 0.045
0.95 270 0.2621 0.7915 0.0458
0.95 282 0.5752 0.4963 0.0461
0.95 294 -0.6536 0.4576 0.0488