Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Present and Future Oscillation Experiments at Reactors   This is a report on recent progress and developments since the NANP'99
Conference in current and future long baseline (~1 km) and very long baseline
(~100 - 800 km) oscillation experiments at reactors. These experiments, under
certain assumptions, can fully reconstruct the internal mass structure of the
electron neutrino and provide laboratory test of solar and atmospheric neutrino
problems.

22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th