Science-advisor
REGISTER info/FAQ
Login
username
password
     
forgot password?
register here
 
Research articles
  search articles
  reviews guidelines
  reviews
  articles index
My Pages
my alerts
  my messages
  my reviews
  my favorites
 
 
Stat
Members: 3643
Articles: 2'488'730
Articles rated: 2609

29 March 2024
 
  » arxiv » 1705.1256

 Article overview


Higher Moments of Net-proton Multiplicity Distribution in Heavy-Ion Event Pile-up Scenario
P. Garg ; D. K. Mishra ;
Date 3 May 2017
AbstractThe high luminosity modern accelerators like the Relativistic Heavy Ion Collider (RHIC) at BNL and Large Hadron Collider (LHC) at CERN, may result event pile-ups which significantly contribute to the physics events as a background. While the state of art tracking algorithms and the detector concepts take care of these event pile-ups mostly, also several offline analysis techniques are used to remove such events from the physics analysis. On the other hand, it is also difficult to quantify the remaining pile-ups in an event sample for physics analysis. Since the fraction of these events is significantly small, it may not be a serious issue for other analysis as they are for an event-by-event analysis. Particularly, when the details of the shape of the multiplicity distribution is an observable, one needs to be very careful while doing such physics analysis. In the present work, we demonstrate that how a very small fraction of pile-up events can change the moments and their ratios of an event-by-event net-proton distribution which are sensitive to the dynamical fluctuations due to the QCD critical point. For this study we assume that the individual event-by-event proton and anti-proton multiplicity distributions follow a Poisson or negative binomial distribution (NBD). We observe a significant increase of cumulant ratios of net-proton multiplicity at lower energies due to pile-up events, which can change the interpretation of the experimental observable for critical point.
Source arXiv, 1705.1256
Services Forum | Review | PDF | Favorites   
 
Visitor rating: did you like this article? no 1   2   3   4   5   yes

No review found.
 Did you like this article?

This article or document is ...
important:
of broad interest:
readable:
new:
correct:
Global appreciation:

  Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.

browser claudebot






ScienXe.org
» my Online CV
» Free


News, job offers and information for researchers and scientists:
home  |  contact  |  terms of use  |  sitemap
Copyright © 2005-2024 - Scimetrica