An Effective Method to Accurately Calculate the Phase Space Factors for <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.526799pt" id="M1" height="18.7785pt" version="1.1" viewBox="-0.0657574 -14.2517 36.1949 18.7785" width="36.1949pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g113-224" d="M558 587C558 666 497 712 432 712C379 712 330 691 284 650C212 586 178 508 148 348L71 -65C49 -185 35 -229 23 -235L27 -261C49 -259 101 -251 124 -224C131 -216 138 -178 159 -24C171 66 197 200 227 356C264 550 295 668 393 668C443 668 479 632 479 575C479 516 446 458 383 418C361 404 344 398 318 397L296 350C395 338 460 281 460 192C460 110 411 40 300 40C258 40 215 55 192 69L181 51C191 18 222 -16 266 -16C308 -16 351 1 397 26C471 67 545 142 545 221C545 315 486 365 401 395C469 437 558 498 558 587Z"/></g><g transform="matrix(.012,0,0,-0.012,9.971,-7.578)"><path id="g54-33" d="M556 236V289H56V236H556Z"/></g><g transform="matrix(.017,0,0,-0.017,17.996,0)"><use xlink:href="#g113-224"/></g><g transform="matrix(.012,0,0,-0.012,27.968,-7.578)"><use xlink:href="#g54-33"/></g></svg> Decay

<div>Fine-tuning the “screening factor” to minimize the maximum <svg height="6.1673pt" id="M241" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -5.96091 4.9929 6.1673" width="4.9929pt" 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="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 38 184 38C151 38 107 66 81 108C77 114 64 116 55 111C34 99 23 84 23 65C23 29 81 -12 134 -12C220 -12 325 61 325 141C325 184 297 215 234 256C194 282 161 309 161 346C161 380 188 401 217 401C255 401 279 380 301 353C308 344 313 341 325 347C341 355 352 371 352 391Z" id="g113-116"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="375" vert-adv-y="375"></glyph.data></g></svg>-PSF deviations.</div>

Advances in High Energy Physics

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Figure 1

Figure 1: An Effective Method to Accurately Calculate the Phase Space Factors for <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.526799pt" id="M1" height="18.7785pt" version="1.1" viewBox="-0.0657574 -14.2517 36.1949 18.7785" width="36.1949pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g113-224" d="M558 587C558 666 497 712 432 712C379 712 330 691 284 650C212 586 178 508 148 348L71 -65C49 -185 35 -229 23 -235L27 -261C49 -259 101 -251 124 -224C131 -216 138 -178 159 -24C171 66 197 200 227 356C264 550 295 668 393 668C443 668 479 632 479 575C479 516 446 458 383 418C361 404 344 398 318 397L296 350C395 338 460 281 460 192C460 110 411 40 300 40C258 40 215 55 192 69L181 51C191 18 222 -16 266 -16C308 -16 351 1 397 26C471 67 545 142 545 221C545 315 486 365 401 395C469 437 558 498 558 587Z"/></g><g transform="matrix(.012,0,0,-0.012,9.971,-7.578)"><path id="g54-33" d="M556 236V289H56V236H556Z"/></g><g transform="matrix(.017,0,0,-0.017,17.996,0)"><use xlink:href="#g113-224"/></g><g transform="matrix(.012,0,0,-0.012,27.968,-7.578)"><use xlink:href="#g54-33"/></g></svg> Decay 

Advances in High Energy Physics

An Effective Method to Accurately Calculate the Phase Space Factors for Decay

Figure 1