Analysis of <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-5.2054pt" id="M1" height="18.5408pt" version="1.1" viewBox="-0.0657574 -13.3354 63.5967 18.5408" width="63.5967pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g113-69" d="M743 375C743 570 607 650 407 650H136L130 622C214 612 220 606 204 526L125 122C110 43 105 36 24 27L17 0H250C382 0 482 23 571 76C680 141 743 248 743 375ZM644 379C644 188 520 36 305 36C277 36 249 38 229 46C205 55 202 71 212 126L293 553C300 588 306 600 317 606C330 613 356 617 390 617C547 617 644 537 644 379Z"/></g><g transform="matrix(.012,0,0,-0.012,13.145,-7.578)"><path id="g50-43" d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 220C133 201 125 177 126 158C141 148 167 143 189 144C222 186 243 205 290 236C288 179 282 152 262 102C272 82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z"/></g><g transform="matrix(.012,0,0,-0.012,13.059,4.995)"><path id="g50-116" d="M357 391C357 416 325 451 270 451C241 451 179 431 146 400C109 365 97 334 97 307C97 248 143 213 196 180C250 146 261 123 261 101C261 75 237 40 190 40C153 40 110 72 86 109C81 116 68 119 55 112C37 102 24 87 24 66C24 30 85 -12 137 -12C229 -12 331 62 331 140C331 189 304 218 236 260C197 284 164 309 164 346C164 381 194 400 220 400C259 400 282 380 304 350C310 342 321 339 330 344C347 353 357 372 357 391Z"/></g><g transform="matrix(.017,0,0,-0.017,21.169,0)"><use xlink:href="#g113-69"/></g><g transform="matrix(.012,0,0,-0.012,34.315,-7.578)"><use xlink:href="#g50-43"/></g><g transform="matrix(.017,0,0,-0.017,42.339,0)"><path id="g113-76" d="M743 650H503L496 622L527 618C563 613 564 603 532 573C449 495 371 431 323 392C301 374 272 355 246 346L280 522C297 609 300 614 379 622L385 650H135L129 622C209 614 215 609 198 522L124 133C106 39 99 35 23 28L17 0H271L277 28C193 35 192 39 208 133L239 316C264 328 280 325 303 288C368 183 435 90 502 0H652L659 28C602 34 584 43 543 94C495 154 403 283 347 369L574 554C634 603 659 612 735 624L743 650Z"/></g><g transform="matrix(.012,0,0,-0.012,55.297,-7.578)"><use xlink:href="#g50-43"/></g></svg> and <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.3442pt" id="M2" height="17.6796pt" version="1.1" viewBox="-0.0657574 -13.3354 65.028 17.6796" width="65.028pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><use xlink:href="#g113-69"/></g><g transform="matrix(.012,0,0,-0.012,13.059,4.134)"><use xlink:href="#g50-116"/></g><g transform="matrix(.012,0,0,-0.012,17.635,4.134)"><path id="g50-50" d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"/></g><g transform="matrix(.017,0,0,-0.017,24.182,0)"><use xlink:href="#g113-69"/></g><g transform="matrix(.012,0,0,-0.012,37.24,4.134)"><use xlink:href="#g50-50"/></g><g transform="matrix(.017,0,0,-0.017,43.77,0)"><use xlink:href="#g113-76"/></g><g transform="matrix(.012,0,0,-0.012,56.728,-7.578)"><use xlink:href="#g50-43"/></g></svg> Vertices in Three-Point Sum Rules

<div>Nonperturbative diagrams for the off-shell <svg height="10.1524pt" id="M106" style="vertical-align:-0.04990005pt" version="1.1" viewbox="-0.0498162 -10.1025 16.0305 10.1524" width="16.0305pt" 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="M743 650H503L496 622L527 618C563 613 564 603 532 573C449 495 371 431 323 392C301 374 272 355 246 346L280 522C297 609 300 614 379 622L385 650H135L129 622C209 614 215 609 198 522L124 133C106 39 99 35 23 28L17 0H271L277 28C193 35 192 39 208 133L239 316C264 328 280 325 303 288C368 183 435 90 502 0H652L659 28C602 34 584 43 543 94C495 154 403 283 347 369L574 554C634 603 659 612 735 624L743 650Z" id="g113-76"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.817,-5.741)"><path d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 220C133 201 125 177 126 158C141 148 167 143 189 144C222 186 243 205 290 236C288 179 282 152 262 102C272 82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z" id="g50-43"></path></g></svg> meson.</div>

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fig3

Figure 3

Figure 3: Analysis of <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-5.2054pt" id="M1" height="18.5408pt" version="1.1" viewBox="-0.0657574 -13.3354 63.5967 18.5408" width="63.5967pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g113-69" d="M743 375C743 570 607 650 407 650H136L130 622C214 612 220 606 204 526L125 122C110 43 105 36 24 27L17 0H250C382 0 482 23 571 76C680 141 743 248 743 375ZM644 379C644 188 520 36 305 36C277 36 249 38 229 46C205 55 202 71 212 126L293 553C300 588 306 600 317 606C330 613 356 617 390 617C547 617 644 537 644 379Z"/></g><g transform="matrix(.012,0,0,-0.012,13.145,-7.578)"><path id="g50-43" d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 220C133 201 125 177 126 158C141 148 167 143 189 144C222 186 243 205 290 236C288 179 282 152 262 102C272 82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z"/></g><g transform="matrix(.012,0,0,-0.012,13.059,4.995)"><path id="g50-116" d="M357 391C357 416 325 451 270 451C241 451 179 431 146 400C109 365 97 334 97 307C97 248 143 213 196 180C250 146 261 123 261 101C261 75 237 40 190 40C153 40 110 72 86 109C81 116 68 119 55 112C37 102 24 87 24 66C24 30 85 -12 137 -12C229 -12 331 62 331 140C331 189 304 218 236 260C197 284 164 309 164 346C164 381 194 400 220 400C259 400 282 380 304 350C310 342 321 339 330 344C347 353 357 372 357 391Z"/></g><g transform="matrix(.017,0,0,-0.017,21.169,0)"><use xlink:href="#g113-69"/></g><g transform="matrix(.012,0,0,-0.012,34.315,-7.578)"><use xlink:href="#g50-43"/></g><g transform="matrix(.017,0,0,-0.017,42.339,0)"><path id="g113-76" d="M743 650H503L496 622L527 618C563 613 564 603 532 573C449 495 371 431 323 392C301 374 272 355 246 346L280 522C297 609 300 614 379 622L385 650H135L129 622C209 614 215 609 198 522L124 133C106 39 99 35 23 28L17 0H271L277 28C193 35 192 39 208 133L239 316C264 328 280 325 303 288C368 183 435 90 502 0H652L659 28C602 34 584 43 543 94C495 154 403 283 347 369L574 554C634 603 659 612 735 624L743 650Z"/></g><g transform="matrix(.012,0,0,-0.012,55.297,-7.578)"><use xlink:href="#g50-43"/></g></svg> and <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.3442pt" id="M2" height="17.6796pt" version="1.1" viewBox="-0.0657574 -13.3354 65.028 17.6796" width="65.028pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><use xlink:href="#g113-69"/></g><g transform="matrix(.012,0,0,-0.012,13.059,4.134)"><use xlink:href="#g50-116"/></g><g transform="matrix(.012,0,0,-0.012,17.635,4.134)"><path id="g50-50" d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"/></g><g transform="matrix(.017,0,0,-0.017,24.182,0)"><use xlink:href="#g113-69"/></g><g transform="matrix(.012,0,0,-0.012,37.24,4.134)"><use xlink:href="#g50-50"/></g><g transform="matrix(.017,0,0,-0.017,43.77,0)"><use xlink:href="#g113-76"/></g><g transform="matrix(.012,0,0,-0.012,56.728,-7.578)"><use xlink:href="#g50-43"/></g></svg> Vertices in Three-Point Sum Rules 

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Analysis of and Vertices in Three-Point Sum Rules

Figure 3