CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2177

You are not logged in.

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 : 0.4155 GeV2
W : 1235 GeV
ε : 0.9514
Ebeam : 2.999 GeV
εL: 1.2383 

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
0.35 282 -0.4085 0.6892 0.0422
0.35 294 0.9429 0.6325 0.0747
0.45 282 -0.2232 0.5925 0.0341
0.55 270 -0.7213 0.646 0.0603
0.55 282 0.6187 0.5834 0.054
0.55 294 0.1084 0.5882 0.031
0.65 78 -0.6252 0.6504 0.0544
0.65 90 1.0757 0.6499 0.0836
0.65 270 -0.1371 0.678 0.0316
0.65 282 0.7382 0.5852 0.0614
0.65 294 -0.0003 0.6076 0.03
0.65 306 0.1187 0.6302 0.0312
0.75 66 -0.2604 0.6238 0.0354
0.75 78 0.1247 0.5923 0.0313
0.75 90 0.3762 0.6974 0.0406
0.75 102 -0.1841 0.7445 0.0328
0.75 258 0.0676 0.6825 0.0304
0.75 270 0.077 0.7191 0.0305
0.75 282 0.1091 0.5479 0.031
0.75 294 0.0421 0.6159 0.0302
0.75 306 -0.4145 0.6327 0.0425
0.85 54 0.9235 0.7024 0.0734
0.85 66 1.0141 0.6417 0.0794
0.85 78 -0.1087 0.5834 0.031
0.85 90 -0.7324 0.5491 0.061
0.85 102 -0.2655 0.6122 0.0356
0.85 270 0.0219 0.6446 0.03
0.85 294 -0.4852 0.6873 0.0462
0.85 306 0.9884 0.5447 0.0777
0.85 318 0.6811 0.7723 0.0578
0.95 54 -0.5179 0.6769 0.0481
0.95 66 0.0592 0.6376 0.0303
0.95 90 0.9726 0.6601 0.0766
0.95 270 -0.2063 0.6989 0.0335