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Measurement E151M2105

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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 : 1595 GeV
ε : 0.8752
Ebeam : 2.2596 GeV
εL: 0.0441 

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
0.45 126 1.2154 0.9255 0.0846
0.45 270 1.7463 0.735 0.1175
0.55 126 1.2792 0.8634 0.0885
0.55 270 -0.1302 0.8103 0.0312
0.55 282 -1.1358 0.7854 0.0797
0.65 126 0.3021 0.9115 0.0359
0.65 222 -0.2155 0.9624 0.0331
0.75 66 -0.5266 0.8512 0.0455
0.75 126 -0.7702 0.914 0.0584
0.75 138 -0.6052 1.0507 0.0495
0.75 198 -1.6002 0.9941 0.1083
0.75 210 0.468 0.8788 0.0427
0.75 222 -0.3634 0.9345 0.0382
0.75 234 1.2735 0.8638 0.0881
0.75 270 -0.1691 0.9041 0.032
0.75 282 -0.5385 0.7048 0.0461
0.85 114 -0.9872 0.8984 0.0709
0.85 210 0.5381 0.9651 0.0461
0.45 282 1.0946 0.6799 0.105
0.55 114 -0.573 0.9426 0.0606
0.55 126 0.61 0.7935 0.0636
0.55 270 0.0946 0.7759 0.0312
0.65 114 0.463 0.9273 0.0521
0.65 138 -0.8792 0.9467 0.0862
0.65 210 -0.577 0.876 0.0609
0.65 222 -1.1277 0.8222 0.1079
0.75 126 -0.1259 1.0501 0.0322
0.75 138 -1.0828 1.0256 0.1039
0.75 210 -0.3111 0.8784 0.0414
0.75 234 -1.0369 0.7801 0.0999
0.75 282 1.4605 0.6905 0.1375
0.85 102 1.7712 1.1079 0.1655
0.85 114 -0.1767 0.9992 0.0341
0.85 126 -0.4762 1.0312 0.0531
0.85 210 1.1482 0.9359 0.1097
0.85 222 -1.0226 0.9659 0.0987
0.85 234 -1.7383 0.9007 0.1625