Next Article in Journal
Estimating the Variation of Neutron Star Observables by Dense Symmetric Nuclear Matter Properties
Previous Article in Journal
Multi-Critical Multi-Field Models: A CFT Approach to the Leading Order
Previous Article in Special Issue
Influence of Finite Volume Effect on the Polyakov Quark–Meson Model
Open AccessArticle

Energy Dependent Chemical Potentials of Light Particles and Quarks from Yield Ratios of Antiparticles to Particles in High Energy Collisions

1
Institute of Theoretical Physics & State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China
2
Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
*
Author to whom correspondence should be addressed.
Universe 2019, 5(6), 152; https://doi.org/10.3390/universe5060152
Received: 27 April 2019 / Revised: 4 June 2019 / Accepted: 11 June 2019 / Published: 14 June 2019
(This article belongs to the Special Issue Heavy Ion Collisions)
We collect the yields of charged pions ( π and π + ), charged kaons ( K and K + ), anti-protons ( p ¯ ), and protons (p) produced in mid-rapidity interval (in most cases) in central gold–gold (Au–Au), central lead–lead (Pb–Pb), and inelastic or non-single-diffractive proton–proton ( p p ) collisions at different collision energies. The chemical potentials of light particles and quarks are extracted from the yield ratios, π / π + , K / K + , and p ¯ / p , of antiparticles to particles over an energy range from a few GeV to above 10 TeV. At a few GeV (∼4 GeV), the chemical potentials show, and the yield ratios do not show, different trends comparing with those at other energies, although the limiting values of the chemical potentials and the yield ratios at very high energy are 0 and 1, respectively. View Full-Text
Keywords: chemical potentials of light particles; chemical potentials of light quarks; yield ratios of antiparticles to particles chemical potentials of light particles; chemical potentials of light quarks; yield ratios of antiparticles to particles
Show Figures

Figure 1

MDPI and ACS Style

Lao, H.-L.; Gao, Y.-Q.; Liu, F.-H. Energy Dependent Chemical Potentials of Light Particles and Quarks from Yield Ratios of Antiparticles to Particles in High Energy Collisions. Universe 2019, 5, 152.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop