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Measurement E151M1764

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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 : 0.2445 GeV2
W : 1355 GeV
ε : 0.8892
Ebeam : 1.9889 GeV
εL: 0.5316 

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 66 0.0147 0.6043 0.03
0.55 270 -0.3359 0.7911 0.0363
0.65 102 0.3886 0.6928 0.0381
0.65 270 0.9338 0.6884 0.064
0.75 78 -0.5371 0.7586 0.0443
0.75 90 1.5382 0.5697 0.0979
0.75 102 0.1753 0.5614 0.0318
0.75 114 0.2569 0.7345 0.0338
0.75 234 0.2311 0.7758 0.0331
0.75 246 -0.2937 0.7149 0.0349
0.75 258 -1.2254 0.5437 0.0801
0.75 270 -0.9414 0.5498 0.0645
0.75 282 -0.7436 0.6192 0.0541
0.75 294 0.8066 0.6011 0.0574
0.85 90 0.9428 0.5081 0.0645
0.85 102 -1.0233 0.4888 0.0689
0.85 114 0.1667 0.6232 0.0317
0.85 126 1.1915 0.6981 0.0782
0.85 138 0.265 0.7128 0.034
0.85 222 0.9622 0.7014 0.0656
0.85 234 0.924 0.6037 0.0635
0.85 246 -0.5858 0.5584 0.0465
0.85 258 -0.188 0.6124 0.0321
0.85 270 -0.072 0.6698 0.0303
0.85 282 0.1337 0.5225 0.0311
0.85 294 -0.4277 0.5156 0.0396
0.85 306 -0.3546 0.7458 0.0369
0.95 102 1.1022 0.6531 0.0732
0.95 114 0.1187 0.66 0.0308
0.95 126 0.9289 0.6187 0.0638
0.95 246 -0.0437 0.6428 0.0301
0.95 258 0.289 0.4784 0.0347
0.95 270 -0.0666 0.6207 0.0303
0.95 282 0.1285 0.5415 0.031
0.95 294 0.6493 0.6171 0.0495