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Measurement E151M3256

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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 : 1415 GeV
ε : 0.8977
Ebeam : 2.2596 GeV
εL: 0.4141 

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 90 -0.1457 0.2378 0.0301
0.75 102 -0.1768 0.2601 0.0302
0.75 126 0.2679 0.2529 0.0305
0.75 234 -0.307 0.2409 0.0306
0.75 258 0.3446 0.2113 0.0308
0.75 270 -0.1982 0.2482 0.0303
0.85 138 -0.0365 0.254 0.03
0.85 234 0.1635 0.2453 0.0302
0.85 246 0.1057 0.2612 0.0301
0.85 270 -0.2596 0.2416 0.0304
0.85 282 -0.1604 0.245 0.0302
0.85 294 0.1505 0.2461 0.0302
0.95 66 0.3683 0.2429 0.0309
0.95 294 0.0209 0.2603 0.03
0.65 90 0.0762 0.2482 0.03
0.65 102 -0.0404 0.2485 0.03
0.65 246 -0.2159 0.2642 0.0303
0.75 114 0.1929 0.2197 0.0302
0.75 126 -0.403 0.2206 0.0311
0.75 246 0.0001 0.2388 0.03
0.75 258 0.1705 0.2558 0.0302
0.85 66 -0.0997 0.2569 0.0301
0.85 90 -0.2871 0.2421 0.0305
0.85 102 -0.1453 0.1959 0.0301
0.85 114 0.2885 0.2053 0.0305
0.85 246 -0.1931 0.2537 0.0302
0.85 258 0.219 0.2102 0.0303
0.85 270 0.0482 0.2436 0.03
0.85 282 0.1125 0.2474 0.0301
0.95 258 0.0274 0.2592 0.03
0.95 270 -0.284 0.2479 0.0305
0.95 282 -0.0517 0.2299 0.03
0.95 294 0.0437 0.2512 0.03