Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Transverse polarization of the $\Lambda$ hyperon from unpolarized quark
  fragmentation in the diquark model   We investigate the spin-dependent (naive) T-odd fragmentation function
$D^\perp_{1T}$, which can provide an explanation on the transverse polarization
of the $\Lambda^0$ hyperon produced in an unpolarized process. We calculate
$D^\perp_{1T}$ for light flavors in the spectator diquark model, with a
Gaussian form factor at the hyperon-quark-diquark vertex. We include in the
calculation both the scalar diquark and axial-vector diquark spectators. We
determine the values of the model parameters by fitting the unpolarized
fragmentation function $D^\Lambda_1$ to the DSV parametrization for
$D^\Lambda_1$. In addition, we compute the longitudinal polarization
fragmentation function $G^\Lambda_1$ and compare it with the known
parametrization of $G^\Lambda_1$. We also estimate the transverse polarizations
of $\Lambda$ production, in both semi-inclusive deep inelastic scattering and
single inclusive $e^+e^-$ annihilation.

10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
6
The categories of this paper are: astro-ph
4
The categories of this paper are: cond-mat
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph