CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M823

You are not logged in.

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

Q2 : 0.1435 GeV2
W : 1445 GeV
ε : 0.9123
Ebeam : 2.2596 GeV
εL: 0.2526 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
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 		AUL Stat. error Syst. error
0.25 66 0.3006 1.0252 0.0409
0.35 282 0.5705 0.8749 0.0606
0.35 294 -0.3984 0.7409 0.0475
0.45 66 -0.9945 0.7116 0.0966
0.45 78 0.2212 0.9944 0.0363
0.45 282 -0.5773 0.821 0.0611
0.55 90 -1.0283 0.965 0.0995
0.65 102 -0.3282 0.9282 0.0426
0.65 114 -0.5015 0.8099 0.0552
0.65 246 1.0873 0.9447 0.1047
0.75 90 0.2261 1.1638 0.0365
0.75 102 -0.5224 0.8383 0.0568
0.75 114 -0.2312 0.8577 0.0368
0.75 126 0.9927 0.9734 0.0964
0.75 138 0.1545 1.1269 0.0332
0.75 222 1.0648 0.9672 0.1028
0.75 234 1.1268 0.8802 0.1082
0.75 246 -0.3079 0.8881 0.0413
0.75 258 1.6454 0.9373 0.1548
0.75 270 -1.4886 0.7985 0.1406
0.85 78 1.6768 1.2726 0.1576
0.85 90 -0.7662 1.2267 0.0768
0.85 114 -1.7943 0.8081 0.1683
0.85 126 -0.3147 1.1818 0.0418
0.85 222 -0.235 1.1208 0.037
0.85 234 0.5229 1.0342 0.0568
0.85 246 -1.7378 0.7309 0.1632
0.85 258 1.1061 1.012 0.1064
0.85 270 0.5037 0.9968 0.0553
0.95 246 -0.2902 2.6362 0.0402
0.95 258 0.1523 2.8608 0.0331
0.95 282 1.8495 2.7063 0.1733
0.15 294 -0.2729 0.5811 0.0349
0.25 66 0.4957 0.6231 0.0443
0.35 66 -0.1652 0.5531 0.0319
0.35 78 0.9461 0.683 0.069
0.35 282 -0.5711 0.5834 0.048
0.35 294 -0.0169 0.5322 0.03
0.45 282 -1.2322 0.4313 0.0862
0.55 114 0.4529 0.7657 0.0422
0.55 282 -0.0986 0.6261 0.0307
0.65 102 0.2121 0.5257 0.0331
0.65 114 -0.09 0.6115 0.0306
0.65 126 -1.3859 0.5278 0.0958
0.65 234 0.4859 0.7559 0.0438
0.65 246 -0.0744 0.589 0.0304
0.75 90 1.6081 0.6789 0.1097
0.75 102 0.3354 0.5204 0.0372
0.75 114 -0.3153 0.5931 0.0364
0.75 126 -0.2804 0.6345 0.0352
0.75 210 0.0437 0.8387 0.0301
0.75 222 0.3115 0.8047 0.0363
0.75 234 0.2618 0.6539 0.0346
0.75 246 -0.2152 0.6063 0.0332
0.75 258 -0.4907 0.6118 0.044
0.75 270 0.7302 0.7814 0.0565
0.85 78 -0.411 0.698 0.0403
0.85 102 2.0977 0.7263 0.1409
0.85 114 -0.1375 0.6793 0.0313
0.85 126 0.5022 0.7889 0.0446
0.85 138 0.7775 0.9251 0.0592
0.85 210 2.4064 0.8921 0.1607
0.85 222 0.7941 0.9268 0.0601
0.85 234 1.5474 0.6372 0.1059
0.85 246 -0.8041 0.5327 0.0607
0.85 258 0.9087 0.5444 0.0668
0.85 270 -0.0198 0.6951 0.03
0.95 222 1.154 1.3386 0.0815
0.95 246 0.7336 1.1607 0.0567
0.95 258 2.7542 1.0464 0.1832
0.95 270 -0.3235 0.9239 0.0368
0.95 282 0.378 1.1758 0.0389