# Quark Matter 2018

13-19 May 2018
Venice, Italy
Europe/Zurich timezone
The organisers warmly thank all participants for such a lively QM2018! See you in China in 2019!

## Search for gluon saturation at small Bjorken-x with the LHCb detector

15 May 2018, 17:00
2h 40m
First floor and third floor (Palazzo del Casinò)

### First floor and third floor

#### Palazzo del Casinò

Poster Initial state physics and approach to equilibrium

### Speaker

Dr Cesar Luiz Da Silva (Los Alamos National Laboratory (US))

### Description

A new state of matter, where gluons have overlapping wave functions, has
been in the minds of particle and nuclear physicists for decades. This
gluon saturated state could explain several recent observations such as
particle production and collectivity observed in p+p, p+A and A+A
collisions at RHIC and LHC.

The LHCb experiment is a forward spectrometer with vertexing, tracking,
$p$, $K$, $pi$, $e$, $\mu$ identification and calorimetry in the
pseudorapidity region $2< \eta <5$. LHCb is therefore well suited to
study the gluon density of hadrons in at small Bjorken-x values ($x \sim 10^{-6}-10^{-5}$), down to two orders of magnitude smaller than HERA.

The status of the analysis efforts aimed at finding the gluon saturation
scale at LHCb using isolated photon yields and their correlations with
hadrons and jets will be shown. In addition, the concept and R&D efforts
of a new particle tracker inside the LHCb magnet to improve measurements
of small $Q^2$ processes, where gluon saturation is expected, will be
presented.

Centralised submission by Collaboration Presenter name already specified LHCb Experiment

### Presentation Materials

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