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Measurement E151M1409

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0143 GeV2
W : 1475 GeV
ε : 0.5972
Ebeam : 1.0539 GeV
εL: 0.0176 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.25 42 -0.6723 0.7596 0.0816
0.25 54 0.542 0.8636 0.0681
0.35 42 -0.0476 0.6362 0.0305
0.35 54 1.1034 0.5265 0.128
0.35 66 -1.0037 0.6803 0.1171
0.45 42 -0.6654 0.8481 0.0808
0.45 54 0.3124 0.636 0.0463
0.45 66 0.2492 0.727 0.0411
0.45 222 -0.4179 0.8256 0.0559
0.45 234 -0.1365 0.7441 0.0337
0.45 246 -1.6451 0.6096 0.188
0.55 42 0.0874 0.726 0.0316
0.55 54 0.2584 0.7009 0.0418
0.55 138 0.7552 0.8936 0.0903
0.55 174 0.9107 0.8495 0.107
0.55 222 -0.8563 0.623 0.1011
0.55 234 -1.4153 0.5541 0.1624
0.55 246 0.4517 0.6918 0.0591
0.55 258 0.0246 0.7289 0.0301
0.65 150 -0.1019 0.7246 0.0321
0.65 162 -0.0062 0.8064 0.03
0.65 174 0.4709 0.8137 0.061
0.65 186 -0.2436 0.8473 0.0407
0.65 210 -0.3141 0.6533 0.0464
0.65 222 -1.5734 0.5828 0.18
0.65 234 0.7515 0.5815 0.0899
0.65 246 -0.4539 0.6643 0.0593
0.65 258 -0.9391 0.7275 0.1101
0.75 162 0.8363 0.7863 0.099
0.75 174 -1.8352 0.691 0.2091
0.75 222 -0.7266 0.5861 0.0873
0.75 234 1.0613 0.5589 0.1234
0.75 246 -0.8715 0.4854 0.1028
0.75 258 -0.4938 0.6962 0.0633
0.85 222 -0.3411 0.7137 0.0488
0.85 234 0.2457 0.5916 0.0408
0.85 246 -0.8581 0.5976 0.1013
0.85 258 0.4492 0.6947 0.0589