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Measurement E151M1837

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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 : 0.1205 GeV2
W : 1505 GeV
ε : 0.8592
Ebeam : 1.9889 GeV
εL: 0.161 

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 54 -0.5082 0.7712 0.043
0.25 66 -0.0377 0.6867 0.0301
0.25 78 -1.4253 0.7277 0.0914
0.25 282 -1.26 0.5669 0.082
0.25 294 -0.1179 0.5934 0.0308
0.35 66 -0.1093 0.6147 0.0307
0.35 78 -0.2729 0.7256 0.0343
0.35 270 0.7669 0.736 0.0553
0.35 282 0.8692 0.5923 0.0606
0.35 294 0.1296 0.7386 0.031
0.45 78 -1.2793 0.6417 0.0831
0.45 90 0.5365 0.8479 0.0442
0.45 270 -0.2579 0.711 0.0338
0.45 282 -0.3547 0.569 0.0369
0.45 294 -1.2521 0.6584 0.0816
0.55 78 -1.3038 0.7059 0.0845
0.55 102 -0.4187 0.8084 0.0393
0.55 114 -0.2862 0.7299 0.0347
0.55 126 0.7027 0.7856 0.0521
0.55 234 0.4275 0.7194 0.0396
0.55 270 0.2051 0.7137 0.0325
0.55 282 1.0862 0.613 0.0723
0.55 306 -0.7849 0.7376 0.0562
0.65 102 0.228 0.8258 0.033
0.65 114 0.5754 0.5841 0.046
0.65 126 0.2829 0.7225 0.0346
0.65 138 0.6307 0.7261 0.0486
0.65 150 -0.9246 0.724 0.0636
0.65 210 0.0478 0.6871 0.0301
0.65 222 -0.1993 0.7103 0.0323
0.65 234 -0.2857 0.6238 0.0346
0.65 246 1.0234 0.6305 0.0689
0.65 258 0.3294 0.7696 0.036
0.65 270 1.586 0.6903 0.1007
0.65 294 -0.6689 0.6552 0.0504
0.65 306 0.09 0.7691 0.0305
0.75 102 1.1628 0.6342 0.0766
0.75 114 0.2432 0.5119 0.0334
0.75 126 0.577 0.5486 0.0461
0.75 138 -0.5925 0.6707 0.0468
0.75 150 -1.4535 0.7495 0.093
0.75 198 1.5246 0.5644 0.0971
0.75 210 0.0714 0.614 0.0303
0.75 222 0.3766 0.5798 0.0377
0.75 234 0.4197 0.5104 0.0393
0.75 246 0.0776 0.5263 0.0304
0.75 258 -0.232 0.6154 0.0331
0.75 294 0.0385 0.5846 0.0301
0.85 90 -0.0271 0.6131 0.03
0.85 102 0.139 0.8145 0.0312
0.85 114 1.2218 0.6334 0.0799
0.85 126 -0.9113 0.7167 0.0628
0.85 138 -0.4394 0.6656 0.0401
0.85 198 -0.0426 0.7475 0.0301
0.85 210 -0.4543 0.6595 0.0407
0.85 222 0.5548 0.5502 0.0451
0.85 234 0.1418 0.5223 0.0312
0.85 246 -0.1225 0.4229 0.0309
0.85 258 0.0022 0.5283 0.03
0.85 270 0.4202 0.724 0.0393
0.95 102 0.0097 0.5883 0.03
0.95 114 -0.2257 0.7273 0.033
0.95 222 0.7092 0.6727 0.0524
0.95 234 -0.3108 0.5854 0.0354
0.95 246 0.9982 0.4901 0.0675
0.95 258 0.2176 0.6195 0.0328
0.95 270 0.7249 0.5461 0.0532