CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M1921

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 : 0.0496 GeV2
W : 1685 GeV
ε : 0.7523
Ebeam : 1.9889 GeV
εL: 0.0326 

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 78 -0.5078 0.7429 0.043
0.35 270 -0.2505 0.5696 0.0336
0.45 138 -0.2387 0.7327 0.0333
0.45 222 -1.434 0.6632 0.0919
0.45 270 -0.7522 0.6162 0.0546
0.45 282 -0.9298 0.6675 0.0638
0.55 114 -0.8719 0.7203 0.0608
0.55 126 0.496 0.7426 0.0425
0.55 138 -0.7442 0.8363 0.0542
0.55 210 0.0523 0.6935 0.0302
0.55 222 -0.721 0.6736 0.053
0.55 246 0.0781 0.7334 0.0304
0.55 258 0.0639 0.6488 0.0302
0.55 270 0.0439 0.6055 0.0301
0.65 126 -0.5362 0.6517 0.0442
0.65 138 -0.646 0.6135 0.0493
0.65 210 -0.1294 0.7244 0.031
0.65 222 -1.2382 0.5853 0.0808
0.65 234 -0.3963 0.7009 0.0384
0.65 294 0.4834 0.652 0.0419
0.75 54 -0.2483 0.7414 0.0336
0.75 66 -0.3672 0.6334 0.0374
0.75 114 -0.0704 0.6509 0.0303
0.75 198 0.5717 0.6791 0.0458
0.75 210 -0.3825 0.6128 0.0379
0.75 222 -0.2237 0.5602 0.0329
0.75 234 -0.5383 0.6743 0.0443
0.75 270 -0.2971 0.5611 0.035
0.75 282 -0.5992 0.4993 0.0471
0.85 114 -0.3905 0.5901 0.0382
0.85 126 -0.2955 0.5931 0.0349
0.85 138 0.8945 0.6651 0.0619
0.85 198 -0.7393 0.5841 0.0539
0.85 210 -0.1194 0.582 0.0309
0.85 222 -0.2078 0.5207 0.0325
0.85 234 -0.8572 0.607 0.06
0.85 270 -0.339 0.6888 0.0364