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Measurement E151M1590

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

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): 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
0.45 42 0.3777 0.9343 0.0372
0.45 222 0.7418 0.9975 0.0525
0.45 234 -1.1338 0.5209 0.0733
0.55 18 -0.5902 0.9449 0.0456
0.55 30 0.286 0.5921 0.0451
0.55 42 0.5677 0.5398 0.0494
0.55 54 -0.0661 1.2662 0.0302
0.55 126 -0.4687 0.6421 0.0449
0.55 138 -0.4939 0.5732 0.0545
0.55 150 0.965 1.2519 0.0636
0.55 210 0.2674 0.5886 0.0584
0.55 222 -1.4704 0.4868 0.0931
0.55 234 0.196 0.4852 0.0323
0.55 246 -1.0704 0.5128 0.0703
0.65 126 -0.5887 0.6257 0.053
0.65 138 0.2895 0.5557 0.046
0.65 150 0.0539 0.5618 0.0324
0.65 162 -0.0426 0.9137 0.0301
0.65 210 -0.4721 0.5249 0.0434
0.65 222 -0.2045 0.5742 0.0323
0.65 234 -0.8142 0.4847 0.057
0.65 246 0.5003 0.5673 0.0499
0.75 126 -1.1751 1.1571 0.0746
0.75 138 -0.2824 0.7172 0.0344
0.75 150 -1.587 0.7117 0.0997
0.75 210 -0.2289 0.6127 0.0378
0.75 222 -0.8851 0.4199 0.0648
0.75 234 0.0746 0.4371 0.0546
0.75 246 0.0199 0.5385 0.0302
0.85 126 -0.3856 0.6496 0.0378
0.85 150 0.3406 0.7814 0.0363
0.85 210 0.0458 0.5571 0.0305
0.85 222 0.6424 0.5212 0.0488
0.85 234 -1.0301 0.3938 0.0888
0.85 246 0.022 0.5819 0.0352