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Measurement E151M1117

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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: AUL,
Target spin asymmetry.
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): AUL,
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 		AUL Stat. error Syst. error
0.55 90 -1.3854 0.553 0.1056
0.65 66 0.0726 0.8437 0.0305
0.65 90 -0.7431 0.7042 0.0621
0.65 102 -0.3402 0.8164 0.039
0.65 114 -0.0563 0.7097 0.0303
0.65 306 1.257 0.8386 0.0966
0.75 66 -0.4339 0.6889 0.0437
0.75 78 0.9427 0.7983 0.0752
0.75 102 0.3964 0.8113 0.0417
0.75 114 -0.358 0.6707 0.0398
0.75 198 -0.3702 0.8168 0.0404
0.75 246 -0.005 0.7785 0.03
0.85 66 -0.857 0.5399 0.0694
0.85 78 -0.8923 0.612 0.0718
0.85 90 -0.3492 0.716 0.0394
0.85 186 -0.0563 0.819 0.0303
0.85 198 2.3664 0.9169 0.1755
0.85 210 1.2993 0.7208 0.0996
0.85 222 1.8106 0.9044 0.1357
0.85 234 1.7182 0.7432 0.1291
0.85 246 -0.0716 0.6341 0.0305
0.85 258 -0.559 0.5257 0.0507
0.85 270 -0.5844 0.5591 0.0522
0.85 282 -0.3162 0.6636 0.0379
0.95 198 -0.6967 0.6318 0.0591
0.95 210 -0.54 0.6736 0.0496
0.95 222 -0.3054 0.6554 0.0374
0.95 234 0.0173 0.7236 0.03
0.95 246 -0.3874 0.52 0.0413
0.95 258 -0.0149 0.6151 0.03
0.95 270 1.0009 0.6574 0.0791
0.95 282 -0.4817 0.6183 0.0463
0.95 294 -0.8056 0.4724 0.0661
0.95 306 0.7706 0.6979 0.0638