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Measurement E151M1709

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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 : 0.0415 GeV2
W : 1265 GeV
ε : 0.9682
Ebeam : 1.9889 GeV
εL: 0.2444 

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
0.25 306 -0.5551 0.6 0.0451
0.35 78 -0.0857 0.5008 0.0304
0.35 294 0.617 0.6705 0.0479
0.35 306 0.0877 0.6217 0.0305
0.45 66 -0.3805 0.5869 0.0378
0.45 78 0.4276 0.3978 0.0396
0.45 90 0.0251 0.4991 0.03
0.45 294 0.2932 0.5963 0.0349
0.55 78 0.6863 0.3981 0.0513
0.55 90 -1.0415 0.3665 0.0699
0.55 102 0.199 0.6819 0.0323
0.55 258 -0.2745 0.5956 0.0343
0.55 270 0.6266 0.4605 0.0484
0.55 282 0.1015 0.6485 0.0306
0.65 78 -1.2067 0.5554 0.079
0.65 90 0.2188 0.4357 0.0328
0.65 102 0.0878 0.6578 0.0305
0.65 246 -0.2091 0.4405 0.0326
0.65 258 0.143 0.4052 0.0312
0.65 270 0.2829 0.3664 0.0346
0.75 102 0.3863 0.676 0.0381
0.75 114 -1.3792 0.475 0.0888
0.75 126 -0.6832 0.5624 0.0511
0.75 138 0.411 0.633 0.039
0.75 150 0.3691 0.5641 0.0374
0.75 222 0.855 0.5758 0.0599
0.75 234 0.1845 0.4456 0.032
0.75 246 0.1418 0.3891 0.0312
0.75 258 -0.3478 0.3633 0.0367
0.75 270 0.0729 0.4534 0.0303
0.85 114 -0.289 0.5831 0.0347
0.85 126 0.2776 0.51 0.0344
0.85 138 0.8166 0.4158 0.0579
0.85 150 -0.1884 0.408 0.0321
0.85 162 -0.053 0.5101 0.0302
0.85 174 0.6413 0.4704 0.0491
0.85 186 1.1068 0.5618 0.0735
0.85 222 1.0404 0.5066 0.0698
0.85 234 0.0733 0.47 0.0303
0.85 246 0.5308 0.4125 0.044
0.85 258 -0.3056 0.3965 0.0353
0.95 138 0.3209 0.5517 0.0358
0.95 150 0.0909 0.5903 0.0305
0.95 162 -0.1082 0.5749 0.0307