Abstract
We attempt an extraction of the pretzelosity distribution (h1T) from preliminary COMPASS, HERMES, and JLAB experimental data on sin(3φh-φS) asymmetry on proton, and effective deuteron and neutron targets. The resulting distributions, albeit with big errors, for the first time show tendency for up-quark pretzelosity to be positive and down-quark pretzelosity to be negative. A model relation of pretzelosity distribution and orbital angular momentum of quarks is used to estimate contributions of up and down quarks.
| Original language | English (US) |
|---|---|
| Article number | 034010 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 91 |
| Issue number | 3 |
| DOIs | |
| State | Published - Dec 13 2015 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)
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