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Measurement E151M3298

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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 : 1505 GeV
ε : 0.8607
Ebeam : 2.2596 GeV
εL: 0.2792 

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
0.65 102 -0.0716 0.2307 0.03
0.75 102 0.1855 0.246 0.0302
0.75 234 -0.2522 0.231 0.0304
0.85 78 -0.4928 0.2267 0.0316
0.85 234 -0.0797 0.2579 0.03
0.85 270 -0.0797 0.2499 0.03
0.65 126 -0.1341 0.2567 0.0301
0.75 102 -0.5051 0.2214 0.0317
0.75 222 -0.2594 0.2469 0.0304
0.75 234 0.0862 0.2347 0.03
0.85 234 -0.0369 0.2622 0.03
0.85 258 0.138 0.2433 0.0301