Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Signals of spontaneous R parity breaking at LEP and at a linear collider   We study the production of neutralinos and charginos at LEP and at a linear
collider in the case of spontaneously broken R-parity. We first investigate the
constraints on the single neutralino and chargino production from the LEP 1
experiments, and then we consider the production at LEP 2 and at a linear
collider. We concentrate on the supersymmetric $SU(2)_L \times SU(2)_R \times
U(1)_{B-L}$ model, where the spontaneous R-parity breaking is inevitable and is
associated with the breaking of the LR-symmetry.

29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
2
The categories of this paper are: math