Particle Production in Ultrarelativistic Heavy-Ion Collisions: A Statistical-Thermal Model Review

<table>Variations of total hadronic pressure with respect to energy density of HG at fixed entropy per particle <svg height="14.85" id="M329" style="vertical-align:-2.22495pt" version="1.1" viewbox="0 0 22.0375 14.85" width="22.0375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>. Our calculations show linear relationship, and slope of the lines gives square of the velocity of sound <svg height="20.0625" id="M330" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 13.3625 20.0625" width="13.3625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,6.962,7.613)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g><g transform="matrix(.012,-0,0,-.012,6.962,19.863)"><path d="M352 391q0 -31 -27 -44q-14 -7 -24 6q-39 48 -84 48q-23 0 -39.5 -15t-16.5 -40q0 -43 73 -90q49 -32 70 -58t21 -57q0 -58 -62 -105.5t-129 -47.5q-40 0 -75.5 25t-35.5 52q0 28 32 46q7 4 15 3t11 -6q19 -31 48.5 -50.5t54.5 -19.5q34 0 54 19.5t20 42.5q0 43 -65 81
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</svg> [<a href="/journals/ahep/2013/805413/#B25">31</a>].</table>

Advances in High Energy Physics

fig11

Figure 11

Figure 11: Particle Production in Ultrarelativistic Heavy-Ion Collisions: A Statistical-Thermal Model Review 