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Measurement E179M28
Experiment: | SIDIS Dihadron Beam Spin Asymmetry | |
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Year: | 2020 | |
Spokespersons: | C. Dilks, T. Hayward, A. Vossen | |
Reaction: | ep → π π + X | |
Polarization: | beam (longitudinal) | |
Quantity: | ALUsin (3φh−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 (3φh−2φR) | uncertainty | syst. uncert. |
---|---|---|---|---|---|---|---|
3.534 | 0.309 | 0.501 | 0.591 | 0.169 | -0.00406338 | 0.00740697 | 0.000486143572188206 |
3.429 | 0.284 | 0.493 | 0.568 | 0.311 | 0.000612801 | 0.00772396 | 0.000430484372975291 |
3.221 | 0.259 | 0.481 | 0.553 | 0.426 | 0.00111826 | 0.00739872 | 0.000244225620291824 |
3.123 | 0.244 | 0.474 | 0.541 | 0.533 | -0.000468447 | 0.00729936 | 0.000206506795665115 |
3.027 | 0.231 | 0.464 | 0.532 | 0.653 | -0.0046017 | 0.00628291 | 0.000503869941858341 |
2.759 | 0.204 | 0.454 | 0.531 | 0.864 | -0.0033611 | 0.0049273 | 0.000365044577662959 |
2.897 | 0.226 | 0.946 | 0.56 | 0.16 | 0.0108766 | 0.00413271 | 0.000584121834902417 |
2.865 | 0.221 | 0.915 | 0.566 | 0.306 | 0.00576145 | 0.00442928 | 0.000446962121528923 |
2.837 | 0.217 | 0.894 | 0.57 | 0.422 | 0.00682348 | 0.00473986 | 0.000391754571851398 |
2.752 | 0.207 | 0.876 | 0.57 | 0.53 | 0.0036853 | 0.00574521 | 0.000844794982068723 |
2.677 | 0.199 | 0.858 | 0.574 | 0.648 | 0.0166243 | 0.00632579 | 0.00129805561835017 |
2.528 | 0.182 | 0.832 | 0.586 | 0.852 | 0.0148452 | 0.00750747 | 0.000633345172723542 |
Measurement comment:
Experiment comment:
Process: ep→eπ+π-X
Data tables have the following columns: