Coulomb Interaction Effects on Pion Production in Au+Au Collisions at Relativistic Energies

<div>The <svg height="12.9474pt" id="M19" style="vertical-align:-2.150701pt" version="1.1" viewbox="-0.0498162 -10.7967 33.0574 12.9474" width="33.0574pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M574 449L545 460C526 432 516 430 487 430C404 430 311 435 226 435C104 435 56 379 25 341L43 318C81 354 121 372 181 372C161 246 87 53 23 3L30 -12C48 -12 88 -4 113 11C157 75 207 248 232 371L386 367L326 109C321 86 318 66 318 50C318 4 339 -12 366 -12C410 -12 461 21 505 69L492 96C467 79 434 60 418 60C406 60 400 78 411 147C422 217 439 300 457 366C487 366 524 367 536 370C547 385 558 408 574 449Z" id="g113-238"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.684,-5.741)"><path d="M556 236V289H56V236H556Z" id="g54-33"></path></g><g transform="matrix(.013,0,0,-0.013,13.763,0)"><path d="M368 703H309L44 -163H104L368 703Z" id="g113-48"></path></g><g transform="matrix(.013,0,0,-0.013,19.124,0)"><path d="M574 449L545 460C526 432 516 430 487 430C404 430 311 435 226 435C104 435 56 379 25 341L43 318C81 354 121 372 181 372C161 246 87 53 23 3L30 -12C48 -12 88 -4 113 11C157 75 207 248 232 371L386 367L326 109C321 86 318 66 318 50C318 4 339 -12 366 -12C410 -12 461 21 505 69L492 96C467 79 434 60 418 60C406 60 400 78 411 147C422 217 439 300 457 366C487 366 524 367 536 370C547 385 558 408 574 449Z" id="g113-238"></path></g><g transform="matrix(.0091,0,0,-0.0091,26.809,-5.741)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z" id="g54-36"></path></g></svg> ratios produced in Au+Au collisions at 19.6 GeV as a function of transverse momentum. The data are from [<a href="/journals/ahep/2018/3865856/#B17">14</a>]. The red lines are the fits to the ratio data using (<a href="https://static-preview.hindawi.com/articles/ahep/volume-2018/3865856/figures/#EEq2">2</a>).</div>

Advances in High Energy Physics

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Figure 3

Figure 3: Coulomb Interaction Effects on Pion Production in Au+Au Collisions at Relativistic Energies 