Heavy Flavour Measurements with ALICE
Lead Research Organisation:
University of Liverpool
Department Name: Physics
Abstract
This Project focuses on the analysis of data taken with the ALICE detector in both p-p and p-Pb collisions at the Large Hadron Collider (CERN). The ALICE Liverpool group's main activity is the use of heavy-flavour probes to understand the properties of the Quark-Gluon Plasma (QGP). Heavy-flavour quarks are created in the initial stages of the collision and the temperature in the QGP is lower than that to create quark-antiquark pairs of these heavy flavours. This means that particles containing c and b quarks can act as effective probes to the evolution of the QGP. The probe of particular interest to this project is the Ac baryon, which is the lowest mass charmed baryon. The Ac baryon is not directly observed in the ALICE detectors but its decay products are. In the high-energy collisions at the LHC, there is a large amount of background contributed from random combinations of particles unrelated to the decay we want to measure. To rectify this, several advanced data analysis methods have been developed and used to extract the Ac signal from the background (with Monte Carlo and LHC Run 1 data). These methods include using standard topological cuts or a multivariate machine learning approach. This PhD project aims to utilise and further develop these current analytical methods for the analysis of data taken during Run 2 (2015-2018) at the LHC.
Organisations
People |
ORCID iD |
Marielle Chartier (Primary Supervisor) | |
Christopher Hills (Student) |
Publications
Acharya S
(2018)
Anisotropic flow in Xe-Xe collisions at s NN = 5.44 TeV
in Physics Letters B
Acharya S
(2019)
Measurement of charged jet cross section in p p collisions at s = 5.02 TeV
in Physical Review D
Acharya S
(2020)
Exploration of jet substructure using iterative declustering in pp and Pb-Pb collisions at LHC energies
in Physics Letters B
Acharya S
(2018)
Search for collectivity with azimuthal J/?-hadron correlations in high multiplicity p-Pb collisions at s NN = 5.02 and 8.16 TeV
in Physics Letters B
Acharya S
(2018)
Production of deuterons, tritons, He 3 nuclei, and their antinuclei in p p collisions at s = 0.9 , 2.76, and 7 TeV
in Physical Review C
Acharya S
(2017)
J/? Elliptic Flow in Pb-Pb Collisions at sqrt[s_{NN}]=5.02 TeV.
in Physical review letters
Acharya S
(2019)
Measurement of ?(1S) Elliptic Flow at Forward Rapidity in Pb-Pb Collisions at sqrt[s_{NN}]=5.02 TeV.
in Physical review letters
Acharya S
(2019)
Measurement of jet radial profiles in Pb-Pb collisions at s NN = 2.76 TeV
in Physics Letters B
Acharya S
(2019)
Study of the ?-? interaction with femtoscopy correlations in p p and p-Pb collisions at the LHC
in Physics Letters B
Acharya S
(2019)
First Observation of an Attractive Interaction between a Proton and a Cascade Baryon.
in Physical review letters
Studentship Projects
Project Reference | Relationship | Related To | Start | End | Student Name |
---|---|---|---|---|---|
ST/N504142/1 | 01/10/2015 | 31/03/2021 | |||
1796881 | Studentship | ST/N504142/1 | 01/10/2016 | 31/05/2020 | Christopher Hills |
Description | ALICE guide visits |
Form Of Engagement Activity | Participation in an open day or visit at my research institution |
Part Of Official Scheme? | No |
Geographic Reach | International |
Primary Audience | Public/other audiences |
Results and Impact | Visits for public to ALICE detector at CERN , ongoing program done at CERN |
Year(s) Of Engagement Activity | 2018 |