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Measurement E151M2841

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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 : 0.0844 GeV2
W : 1505 GeV
ε : 0.6744
Ebeam : 1.3383 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
0.55 138 0.3286 0.2278 0.0307
0.55 222 0.36 0.2571 0.0309
0.55 234 -0.5358 0.2454 0.0319
0.55 246 -0.2249 0.2415 0.0303
0.65 126 0.3299 0.2598 0.0307
0.65 138 -0.0186 0.2271 0.03
0.65 150 -0.2264 0.2697 0.0303
0.65 162 -0.0802 0.2705 0.03
0.65 222 -0.3387 0.1945 0.0308
0.65 234 -0.2111 0.2233 0.0303
0.65 246 -0.4129 0.249 0.0311
0.65 258 0.7059 0.2276 0.0332
0.75 126 0.1515 0.2387 0.0302
0.75 138 0.335 0.2268 0.0307
0.75 150 0.2117 0.2688 0.0303
0.75 162 0.1687 0.2584 0.0302
0.75 222 -0.2379 0.2509 0.0304
0.75 234 0.1093 0.2389 0.0301
0.75 246 0.2027 0.1799 0.0303
0.75 258 -0.419 0.2021 0.0311
0.85 222 -0.1094 0.2703 0.0301
0.85 234 0.1481 0.1945 0.0301
0.85 246 0.1964 0.2048 0.0303
0.85 258 -0.1594 0.2289 0.0302
0.85 270 -0.2608 0.2696 0.0305
0.95 114 0.2109 0.23 0.0303
0.95 138 0.2735 0.2838 0.0305
0.95 258 0.0472 0.2358 0.03
0.25 42 -0.0965 0.4119 0.0301
0.45 234 0.0606 0.4085 0.03
0.55 234 0.8176 0.1715 0.0342
0.55 246 -0.1125 0.3049 0.0301
0.65 126 0.0348 0.3747 0.03
0.65 138 0.098 0.3291 0.0301
0.65 150 0.2429 0.3601 0.0304
0.65 210 -0.5794 0.2806 0.0322
0.65 222 -0.0613 0.3207 0.03
0.65 234 0.3869 0.2405 0.031
0.65 246 -0.0198 0.2933 0.03
0.65 258 0.5644 0.2813 0.0321
0.75 126 0.2317 0.3353 0.0304
0.75 138 -0.1564 0.3114 0.0302
0.75 222 0.169 0.3297 0.0302
0.75 234 -0.6119 0.2587 0.0324
0.75 246 -0.0225 0.2815 0.03
0.75 258 0.2762 0.2999 0.0305
0.85 222 -0.0072 0.3628 0.03
0.85 234 0.2076 0.287 0.0303
0.85 246 0.0544 0.3067 0.03
0.85 258 -0.5578 0.2229 0.032
0.95 114 0.2668 0.3221 0.0305
0.95 234 -0.2682 0.3569 0.0305
0.95 246 -0.3616 0.244 0.0309
0.95 258 0.4192 0.3038 0.0311