Abstract

NA61/SHINE is a fixed target experiment at the CERN Super-Proton- Synchrotron. The main goals of the experiment are to discover the critical point of strongly interacting matter and study the properties of the onset of deconfnement. In order to reach these goals the collaboration studies hadron production properties in nucleus-nucleus, proton-proton and proton-nucleus interactions. In this talk, recent results on particle production in p+p interactions, as well as Be+Be and Ar+Sc collisions in the SPS energy range are reviewed. The results are compared with available world data. The future of the NA61/SHINE scientifc program is also presented.

Highlights

  • The NA61/SHINE experiment performs a unique two-dimensional scan of the phase diagram of strongly interacting matter

  • The main goals are the study of the properties of the onset of deconfinement by measurements of hadron production and the search for the critical point of strongly interacting matter by measuring event-by-event fluctuations

  • The detection system is based on eight Time Projection Chambers (TPC) providing acceptance in the full forward hemisphere, down to pT = 0

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Summary

Introduction

The NA61/SHINE experiment performs a unique two-dimensional scan of the phase diagram of strongly interacting matter. Measurements are performed in a wide beam momentum range (from 13 up to 150/158A GeV/c) and for various systems (p+p, p+Pb, Be+Be, Ar+Sc, Xe+La and Pb+Pb). The program is motivated by the discovery of the onset of deconfinement in Pb+Pb collisions at 30A GeV/c by the NA49 experiment [1, 2]. The detection system is based on eight Time Projection Chambers (TPC) providing acceptance in the full forward hemisphere, down to pT = 0. The TPCs allow for tracking, momentum and charge reconstruction as well as measurement of mean energy loss per unit path length. The Projectile Spectator Detector (PSD), a zero-degree calorimeter, allows selecting collision centrality based on the measurement of forward energy.

Onset of deconfinement
Search for the critical point
Findings
Summary

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