Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Modification of the mean free path of very high energy photons due to a
  relativistic deformed kinematics   Ultra-high-energy physics is about to enter a new era thanks to the
impressive results of experiments such as the "Large High Altitude Air Shower
Observatory" (LHAASO), detecting photons of up to $1.4$ PeV
($10^{15}\,\text{eV}$). These new results could be used to test deviations with
respect to special relativity. While this has been already explored within the
approach of Lorentz invariance violation (LIV) theories, in this work we
consider, for the first time, modifications of a relativistic deformed
kinematics (which appear in doubly special relativity, or DSR, theories). In
particular, we study the mean free path of very high-energy photons due to
electron-positron pair creation when interacting with low-energy photons of the
cosmic microwave background. Depending on the energy scale of the relativistic
deformed kinematics, present (or near future) experiments can be sensitive
enough to be able to identify deviations from special relativity.

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The categories of this paper are: eess
26
The categories of this paper are: bayes-an
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
4
The categories of this paper are: cond-mat
31
The categories of this paper are: ao-sci
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The categories of this paper are: acc-phys
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The categories of this paper are: adap-org
2
The categories of this paper are: math
1
The categories of this paper are: cs
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
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The categories of this paper are: solv-int
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The categories of this paper are: q-alg
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The categories of this paper are: alg-geom