Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Proposal to detect a moving triangle singularity in $\psi(2S) \to \pi^+
  \pi^- K^+ K^-$ process   In this work, we propose that there exists a moving triangle singularity in
the $\psi(2S) \to \pi^+ \pi^- K^+ K^-$ process, whose position can vary from
1.158 to 1.181 GeV in the invariant mass spectrum of $K^+K^-$. After a precise
analysis on this process, it turns out that after doing some cuts on
$m_{\pi^+\pi^-}$, experiments do have the opportunity to observe this triangle
singularity. In addition, when changing the cuts on $m_{\pi^+\pi^-}$, the
movement of the predicted triangle singularity can also be observed. Thus, we
suggest future experiments, especially Super Tau-Charm Facility (STCF), to do
an anlysis on the $\psi(2S) \to \pi^+ \pi^- K^+ K^-$ process to verify our
prediction.

1
The categories of this paper are: cs
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th
9
The categories of this paper are: nlin
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
18
The categories of this paper are: econ
16
The categories of this paper are: stat