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Measurement E151M3136

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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 : 0.1435 GeV2
W : 1655 GeV
ε : 0.7372
Ebeam : 1.9889 GeV
εL: 0.0929 

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
0.55 126 0.3517 0.2895 0.0308
0.65 114 0.3079 0.2638 0.0306
0.65 294 -0.4577 0.2332 0.0314
0.75 222 0.3074 0.2235 0.0306
0.75 234 -0.2504 0.2774 0.0304
0.75 282 0.0667 0.2638 0.03
0.85 90 -0.2141 0.2774 0.0303
0.85 102 0.2883 0.2623 0.0305
0.85 210 0.3135 0.2232 0.0306
0.85 234 -0.3658 0.2333 0.0309
0.95 234 -0.2188 0.2695 0.0303