Mass Spectrum of Mesons via the WKB Approximation Method

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">State</td><td class="align_center">Present work</td><td class="align_center">NU [<a href="/journals/ahep/2020/5901464/#B15" target="_blank">15</a>]</td><td class="align_center">AIM [<a href="/journals/ahep/2020/5901464/#B30" target="_blank">30</a>]</td><td class="align_center">Exp.</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1S</td><td class="align_center">1.969</td><td class="align_center">1.968</td><td class="align_center">2.512</td><td class="align_center"><svg height="8.69875pt" id="M114" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 94.6811 8.69875" width="94.6811pt" 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="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 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transform="matrix(.013,0,0,-0.013,69.293,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g><g transform="matrix(.013,0,0,-0.013,75.533,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g><g transform="matrix(.013,0,0,-0.013,81.773,0)"><path d="M285 378C315 398 338 416 353 432C373 451 384 474 384 503C384 579 325 635 236 635H235C182 635 136 610 108 579L65 516L85 496C110 533 150 575 205 575C258 575 300 543 300 481C300 407 232 369 141 339L147 310C163 315 188 321 211 321C268 321 338 284 338 192C338 94 288 40 217 40C160 40 119 68 93 91C85 98 77 97 69 91C60 84 47 71 46 58C44 46 48 35 62 22C75 10 116 -12 162 -12C234 -12 424 62 424 224C424 297 373 359 285 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class="align_left"></td></tr><tr><td class="align_left">4S</td><td class="align_center">2.998</td><td class="align_left"></td><td class="align_center">3.102</td><td class="align_left"></td></tr><tr><td class="align_left">1P</td><td class="align_center">2.601</td><td class="align_center">2.565</td><td class="align_center">2.649</td><td class="align_left"></td></tr><tr><td class="align_left">2P</td><td class="align_center">2.876</td><td class="align_left"></td><td class="align_center">2.860</td><td class="align_left"></td></tr><tr><td class="align_left">1D</td><td class="align_center">2.862</td><td class="align_center">2.857</td><td class="align_center">2.859</td><td class="align_center">2.859 [<a href="/journals/ahep/2020/5901464/#B62" target="_blank">62</a>]</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mass spectra of charmed-strange <svg height="11.5564pt" id="M112" style="vertical-align:-2.26807pt" version="1.1" viewbox="-0.0498162 -9.28833 19.3204 11.5564" width="19.3204pt" 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="M300 -147C201 -63 143 98 143 270S200 602 300 686L282 710C136 610 70 450 70 271V270C70 89 136 -72 282 -170L300 -147Z"></path></g><g transform="matrix(.013,0,0,-0.013,4.498,0)"><path d="M383 397C383 424 344 448 299 448C244 448 172 409 132 375C66 319 23 227 23 146C23 42 74 -12 146 -12C208 -12 298 30 359 103L343 124C315 95 248 48 192 48C145 48 111 85 111 163C111 228 129 294 151 330C171 363 201 401 241 401C275 401 302 384 325 356C332 347 339 344 348 348C373 360 383 381 383 397Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.78,0)"><path d="M352 391C352 416 319 448 267 448C236 448 173 423 147 400C107 364 96 332 96 304C96 248 143 210 193 181C241 153 258 124 258 100C258 72 232 38 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Advances in High Energy Physics

Mass Spectrum of Mesons via the WKB Approximation Method

Table 4