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Measurement E151M3573

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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 : 0.348 GeV2
W : 1685 GeV
ε : 0.8489
Ebeam : 2.999 GeV
εL: 0.1955 

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
0.25 282 0.4292 0.2492 0.0312
0.45 282 0.2732 0.2663 0.0305
0.55 90 0.145 0.2819 0.0301
0.55 102 -0.1076 0.2314 0.0301
0.55 234 0.1037 0.2901 0.0301
0.65 90 0.0463 0.2697 0.03
0.65 102 -0.1444 0.2309 0.0301
0.65 114 -0.0345 0.2291 0.03
0.65 126 0.1313 0.2679 0.0301
0.65 210 -0.0065 0.2748 0.03
0.65 234 0.1966 0.2732 0.0303
0.65 306 -0.3208 0.2623 0.0307
0.75 66 0.0933 0.2765 0.0301
0.75 78 0.1585 0.2193 0.0302
0.75 90 0.2452 0.2526 0.0304
0.75 114 -0.3809 0.2 0.031
0.75 126 -0.1959 0.2376 0.0303
0.75 210 0.0968 0.2476 0.0301
0.75 222 -0.1257 0.2357 0.0301
0.75 234 0.1783 0.2394 0.0302
0.75 246 -0.1412 0.248 0.0301
0.75 258 -0.0661 0.2636 0.03
0.85 66 -0.0382 0.2389 0.03
0.85 78 0.3545 0.2121 0.0308
0.85 90 0.2899 0.2723 0.0306
0.85 102 0.2809 0.2602 0.0305
0.85 186 0.4448 0.2082 0.0313
0.85 198 -0.0072 0.2325 0.03
0.85 210 -0.0363 0.2121 0.03
0.85 222 -0.1958 0.2188 0.0303
0.85 234 0.0663 0.1718 0.03
0.85 246 -0.0546 0.2069 0.03
0.85 258 -0.0398 0.2166 0.03
0.95 198 -0.2926 0.2453 0.0306
0.95 210 0.2095 0.2178 0.0303
0.95 222 -0.1472 0.2516 0.0301
0.95 234 -0.4539 0.1953 0.0313
0.95 246 -0.8241 0.1554 0.0342
0.95 258 -0.2754 0.1996 0.0305
0.95 270 -0.2355 0.2154 0.0304
0.95 282 -0.3089 0.1842 0.0306
0.95 294 0.0217 0.2504 0.03