Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Interference between $E1$ and $M1$ transition amplitudes on the $H$ to
  $C$ transition in ThO   Calculations of Stark interference between $E1$ and $M1$ transition
amplitudes on the $H^3\Delta_1$ to $C^1\Pi$ transition in ThO is performed.
Calculations are required for estimations of systematic errors in the
experiment for electron electric dipole (eEDM) moment search due to
imperfections in laser beams used to prepare the molecule and read out the
(eEDM) signal.

14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
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The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga
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The categories of this paper are: adap-org
13
The categories of this paper are: quant-ph
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The categories of this paper are: eess
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs