Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Physics performance studies for the ALICE inner tracker upgrade   During the second long shutdown of the LHC in 2018, the ALICE Collaboration
plans to install an upgrade of the ALICE Inner Tracking System (ITS) in the
central barrel with seven layers of silicon detectors starting at 2.2 cm radial
distance from the interaction region and a material budget as low as 0.3%
radiation length per layer. A single-hit resolution of $\mathrm{4 \mu m}$ and a
readout rate capability of up to 50 kHz in Pb--Pb collisions will allow new and
unique measurements in the heavy-quark sector, i.e. charm and beauty. Using
detailed Monte Carlo simulations of pp and Pb--Pb collisions we study the
performance for heavy-flavor detection with an upgraded ITS in the following
benchmark analyses: Charm meson and baryon production, i.e. $\mathrm{D^{0}
\rightarrow K^{-}\pi^{+}}$ and $\mathrm{\Lambda_{c}^{+} \rightarrow
pK^{-}\pi^{+}}$, and beauty meson and baryon production, i.e. displaced
vertices of $\mathrm{B^{+} \rightarrow \bar{D}^{0}\pi^{+}}$ and
$\mathrm{\Lambda_{b} \rightarrow \Lambda_{c}^{+}\pi^{-}}$.

36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
5
The categories of this paper are: gr-qc
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
30
The categories of this paper are: q-alg
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th