Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Model-Independent Detection of New Physics Signals Using Interpretable
  Semi-Supervised Classifier Tests   A central goal in experimental high energy physics is to detect new physics
signals that are not explained by known physics. In this paper, we aim to
search for new signals that appear as deviations from known Standard Model
physics in high-dimensional particle physics data. To do this, we determine
whether there is any statistically significant difference between the
distribution of Standard Model background samples and the distribution of the
experimental observations, which are a mixture of the background and a
potential new signal. Traditionally, one also assumes access to a sample from a
model for the hypothesized signal distribution. Here we instead investigate a
model-independent method that does not make any assumptions about the signal
and uses a semi-supervised classifier to detect the presence of the signal in
the experimental data. We construct three test statistics using the classifier:
an estimated likelihood ratio test (LRT) statistic, a test based on the area
under the ROC curve (AUC), and a test based on the misclassification error
(MCE). Additionally, we propose a method for estimating the signal strength
parameter and explore active subspace methods to interpret the proposed
semi-supervised classifier in order to understand the properties of the
detected signal. We investigate the performance of the methods on a data set
related to the search for the Higgs boson at the Large Hadron Collider at CERN.
We demonstrate that the semi-supervised tests have power competitive with the
classical supervised methods for a well-specified signal, but much higher power
for an unexpected signal which might be entirely missed by the supervised
tests.

8
The categories of this paper are: hep-ex
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
25
The categories of this paper are: patt-sol
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
19
The categories of this paper are: eess
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn