Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Indications for a preferred reference frame from an ether-drift
  experiment   We present a fully model-independent analysis of the extensive observations
reported by a recent ether-drift experiment in Berlin. No a priori assumption
is made on the nature of a hypothetical preferred frame. We find a remarkable
consistency with an Earth's cosmic motion exhibiting an average declination
angle |\gamma|\sim 43^o and with values of the RMS anisotropy parameter
(1/2-\beta+\delta) that are one order of magnitude larger than the presently
quoted ones. This might represent the first modern indication for a preferred
frame and for a non-zero anisotropy of the speed of light.

10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
11
The categories of this paper are: hep-lat
30
The categories of this paper are: q-alg
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
29
The categories of this paper are: funct-an
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys