Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Neutrino Physics: an Update   We update our recent didactic survey of neutrino physics, including new
results from the Sudbury Neutrino Observatory and KamLAND experiments, and
recent constraints from WMAP and other cosmological probes.

25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess
3
The categories of this paper are: physics
34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
32
The categories of this paper are: atom-ph
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
22
The categories of this paper are: chao-dyn
11
The categories of this paper are: hep-lat
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
21
The categories of this paper are: adap-org