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Measurement E151M3611

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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: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.2445 GeV2
W : 1775 GeV
ε : 0.8281
Ebeam : 2.999 GeV
εL: 0.1128 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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
ALU Stat. error Syst. error
0.75 198 -0.401 0.2749 0.0311
0.85 78 0.1789 0.2597 0.0302
0.85 102 -0.1213 0.2482 0.0301
0.85 186 0.5164 0.2532 0.0317
0.85 198 0.2477 0.2295 0.0304
0.85 210 0.1405 0.2235 0.0301
0.85 222 -0.2762 0.231 0.0305
0.85 234 -0.1894 0.2185 0.0302
0.85 246 0.0018 0.2813 0.03
0.95 198 -0.1796 0.2761 0.0302
0.95 210 -0.3699 0.2214 0.0309
0.95 222 -0.1343 0.2388 0.0301
0.95 234 0.257 0.2475 0.0304
0.95 246 0.2405 0.233 0.0304