Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Physical matrix elements for Delta I = 3/2 channel K to pi pi decays   K to pi pi matrix elements of the electroweak operator Q_(27,1)^Delta I=3/2
are calculated on the RBC/UKQCD 32^3 x 64, L_s=16 lattices, using 2+1 dynamical
flavors and domain wall fermions, with an inverse lattice spacing of
a^(-1)=2.42(4) GeV. Data is interpolated or extrapolated to energy conserving
kinematics and a preliminary calculation of the experimental parameter |A_2| is
performed.

17
The categories of this paper are: q-fin
9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
14
The categories of this paper are: math-ph
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an
12
The categories of this paper are: nucl-th
6
The categories of this paper are: astro-ph
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess