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Measurement E151M2175

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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 : 0.2915 GeV2
W : 1235 GeV
ε : 0.9649
Ebeam : 2.999 GeV
εL: 1.1298 

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
0.15 66 0.2071 0.6801 0.0335
0.25 66 -0.0351 0.6 0.0301
0.25 294 0.2641 0.7184 0.0356
0.35 66 0.662 0.5859 0.0566
0.35 282 -0.4825 0.6476 0.0461
0.35 294 -0.0702 0.612 0.0304
0.45 270 -0.95 0.7724 0.0751
0.45 282 0.3142 0.5881 0.0377
0.45 294 -0.2356 0.4862 0.0345
0.55 78 -0.6633 0.7674 0.0567
0.55 282 -0.3441 0.56 0.039
0.55 294 -0.4817 0.472 0.046
0.65 66 0.469 0.651 0.0454
0.65 78 2.0331 0.4513 0.1505
0.65 90 0.9333 0.6106 0.074
0.65 270 -0.0309 0.5257 0.0301
0.65 282 0.3201 0.4536 0.0379
0.65 294 -0.0031 0.4453 0.03
0.65 306 -0.0181 0.7068 0.03
0.75 54 0.8594 0.7051 0.0692
0.75 66 0.1111 0.5369 0.0311
0.75 78 0.1103 0.5857 0.031
0.75 90 -0.2225 0.5605 0.0341
0.75 102 -1.1075 0.5508 0.0857
0.75 258 0.1163 0.768 0.0312
0.75 270 0.6392 0.5496 0.0552
0.75 282 -0.2871 0.4433 0.0365
0.75 294 0.1923 0.467 0.0331
0.75 306 1.0884 0.5433 0.0844
0.85 54 -0.7686 0.554 0.0633
0.85 66 -0.3954 0.4503 0.0415
0.85 78 0.1011 0.431 0.0309
0.85 90 0.6276 0.4281 0.0545
0.85 102 0.6819 0.4818 0.0578
0.85 114 0.148 0.6165 0.0319
0.85 246 -0.6523 0.7234 0.056
0.85 258 0.6353 0.6124 0.055
0.85 270 -1.0122 0.5102 0.0793
0.85 282 -0.5679 0.4501 0.0509
0.85 294 -0.1122 0.5022 0.0311
0.85 306 0.0611 0.4702 0.0303
0.95 42 -0.0064 0.698 0.03
0.95 54 0.9113 0.5265 0.0726
0.95 66 -0.0476 0.5938 0.0302
0.95 78 0.3652 0.5023 0.04
0.95 90 -0.369 0.6091 0.0402
0.95 102 0.2625 0.5312 0.0355
0.95 114 -0.3005 0.58 0.0371
0.95 126 0.6368 0.5596 0.0551
0.95 138 -0.6426 0.6806 0.0554
0.95 258 0.1902 0.6766 0.033
0.95 282 0.9909 0.6481 0.0779
0.95 294 -0.2415 0.6429 0.0347