Measurement E179M20
Experiment: | SIDIS Dihadron Beam Spin Asymmetry | |
---|---|---|
Year: | 2020 | |
Spokespersons: | C. Dilks, T. Hayward, A. Vossen | |
Reaction: | ep → π π + X | |
Polarization: | beam (longitudinal) | |
Quantity: | ALUsin (2φh−2φR) | |
Q2: | 1.0 — 10.6 GeV2 | |
W: | 2.0 — 4.0 GeV | |
x: | 0.06 — 0.77 | |
Ebeam: | 10.6041 GeV | |
Publication: |
T.B. Hayward, C. Dilks, A. Vossen, H. Avakian Observation of Beam Spin Asymmetries in the Process ep→eπ+π-X with CLAS12 //
(submitted to PRL)
|
Q2, [GeV2] | x | M(π+,π−), [GeV] | z | PT, [GeV] | ALUsin (2φh−2φR) | uncertainty | syst. uncert. |
---|---|---|---|---|---|---|---|
3.534 | 0.309 | 0.501 | 0.591 | 0.169 | -0.0177303 | 0.0102352 | 0.00177072995995776 |
3.429 | 0.284 | 0.493 | 0.568 | 0.311 | 0.015255 | 0.0119629 | 0.00371389574113833 |
3.221 | 0.259 | 0.481 | 0.553 | 0.426 | -0.00581823 | 0.0113189 | 0.000938669377404864 |
3.123 | 0.244 | 0.474 | 0.541 | 0.533 | -0.0226012 | 0.0106563 | 0.00180172826721089 |
3.027 | 0.231 | 0.464 | 0.532 | 0.653 | -0.0315085 | 0.00872679 | 0.00196043242315797 |
2.759 | 0.204 | 0.454 | 0.531 | 0.864 | -0.022665 | 0.00637935 | 0.00105257285899213 |
2.897 | 0.226 | 0.946 | 0.56 | 0.16 | 0.0123849 | 0.00386825 | 0.0011971099478378 |
2.865 | 0.221 | 0.915 | 0.566 | 0.306 | 0.0187867 | 0.00431815 | 0.00169945006679322 |
2.837 | 0.217 | 0.894 | 0.57 | 0.422 | 0.0107962 | 0.00472372 | 0.00218951796532407 |
2.752 | 0.207 | 0.876 | 0.57 | 0.53 | 0.0366156 | 0.0059609 | 0.00281525607024257 |
2.677 | 0.199 | 0.858 | 0.574 | 0.648 | 0.0492061 | 0.00618709 | 0.00300940020594935 |
2.528 | 0.182 | 0.832 | 0.586 | 0.852 | 0.0813171 | 0.00737058 | 0.00504975317509508 |
Measurement comment:
Experiment comment:
Process: ep→eπ+π-X
Data tables have the following columns: