Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non-factorization and the Decays B into J/psi + K(*)   Many known models, which generally use a factorization hypothesis, give a
poor account of the decays B into J/psi + K(*). Usually there is a free overall
factor, which is fit to the data, so that tests of the models rely upon ratios.
The models tend to give too much K* compared to K and too much transverse
polarization compared to longitudinal. Our microscopic calculations, which use
perturbative QCD, do well for both ratios. A microscopic calculation allows us
to see how well factorization, heavy quark symmetry, and other features of
various models are working. In the present case, agreement with the
experimental ratios is dependent upon a breakdown of factorization for one of
the amplitudes.

30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
13
The categories of this paper are: quant-ph
20
The categories of this paper are: acc-phys
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
37
The categories of this paper are: supr-con
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
36
The categories of this paper are: cmp-lg
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
8
The categories of this paper are: hep-ex
7
The categories of this paper are: hep-th
2
The categories of this paper are: math
33
The categories of this paper are: plasm-ph