Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Learning $\gamma$ from $B \to K \pi$ decays   We discuss several cases of $B \to K \pi$ decays in which direct probes of
the weak phase $\gamma$ are possible, and note what improvements are possible.

23
The categories of this paper are: solv-int
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph
25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
5
The categories of this paper are: gr-qc
15
The categories of this paper are: nucl-ex
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
2
The categories of this paper are: math