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Measurement E151M2130

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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 : 1655 GeV
ε : 0.8403
Ebeam : 2.2596 GeV
εL: 0.0341 

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 78 1.0737 1.079 0.1031
0.45 270 1.0232 0.9203 0.0987
0.55 222 0.5973 1.0931 0.0626
0.55 258 -1.0978 0.993 0.1053
0.55 270 0.3552 0.9216 0.0443
0.65 126 -0.0157 1.185 0.03
0.65 198 0.644 1.1662 0.0664
0.65 210 -2.9688 2.9688 0.2745
0.75 66 -0.1599 1.2263 0.0334
0.75 210 1.4692 1.2121 0.1383
0.75 234 1.4445 1.1216 0.1361
0.75 270 1.1556 1.026 0.1104
0.75 282 -0.774 0.891 0.0772
0.85 114 -0.1214 1.5075 0.032
0.85 210 -1.1254 1.0975 0.1077
0.85 222 0.4759 1.2848 0.053
0.35 78 -0.8194 0.6661 0.0612
0.45 270 -0.836 0.7394 0.0621
0.45 282 -0.9553 0.636 0.069
0.55 222 1.0405 0.8925 0.074
0.55 258 -0.7708 0.6675 0.0584
0.55 270 -0.8347 0.603 0.062
0.65 126 -0.4474 0.6179 0.0418
0.65 210 -1.3064 0.8052 0.0901
0.65 222 -0.4974 0.9023 0.0441
0.75 114 -1.1695 0.7875 0.0818
0.75 210 -1.1187 0.7532 0.0787
0.75 222 0.9898 0.8399 0.071
0.75 270 -0.5178 0.7782 0.0451
0.75 282 -0.7284 0.6363 0.0561
0.85 102 -0.4915 0.9188 0.0438
0.85 126 -1.9303 0.7328 0.1291
0.85 210 0.3337 0.8113 0.037
0.85 222 -1.1702 0.9517 0.0818