Discovery Potential for the Neutral Charmonium-Like <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.890499pt" id="M1" height="18.3634pt" version="1.1" viewBox="-0.0657574 -15.4729 64.5347 18.3634" width="64.5347pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-91" d="M701 633L695 650H264C230 650 223 653 209 675H184C176 622 160 547 140 473L173 471C198 528 219 557 232 573C254 600 272 612 384 612H566L24 18L33 0H597C617 34 651 142 661 179L629 194C598 133 574 92 545 69C510 41 440 40 342 40C274 40 209 42 163 46L701 633Z"/></g><g transform="matrix(.012,0,0,-0.012,11.943,-7.751)"><path id="g50-49" d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z"/></g><g transform="matrix(.017,0,0,-0.017,18.473,0)"><path id="g50-41" d="M309 -142C211 -61 151 99 151 271S210 601 309 683L288 710C141 611 75 451 75 272V271C75 90 141 -72 288 -169L309 -142Z"/></g><g transform="matrix(.017,0,0,-0.017,24.617,0)"><path id="g50-53" d="M462 177V227H365V632H320C217 496 116 350 21 208V177H284V109C284 43 280 38 190 31V0H451V31C369 38 365 43 365 108V177H462ZM284 227H88C155 336 218 430 282 519H284V227Z"/></g><g transform="matrix(.017,0,0,-0.017,32.974,0)"><path id="g50-51" d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"/></g><g transform="matrix(.017,0,0,-0.017,41.331,0)"><use xlink:href="#g50-49"/></g><g transform="matrix(.017,0,0,-0.017,49.687,0)"><use xlink:href="#g50-49"/></g><g transform="matrix(.017,0,0,-0.017,58.044,0)"><path id="g50-42" d="M283 271C283 451 220 610 70 710L48 683C146 603 207 443 207 271S149 -59 48 -142L70 -169C220 -67 283 90 283 271Z"/></g></svg> by <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.3891pt" id="M2" height="17.976pt" version="1.1" viewBox="-0.0657574 -13.5869 20.6973 17.976" width="20.6973pt"><rect height="0.9128988000000001" width="10.2829056" x="0" y="-12.6082704"/><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-113" d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z"/></g><g transform="matrix(.017,0,0,-0.017,10.283,0)"><use xlink:href="#g50-113"/></g></svg> Annihilation

<div>Feynman diagrams for the nucleon exchange in <svg height="15.0613pt" id="M159" style="vertical-align:-3.4033pt" version="1.1" viewbox="-0.0498162 -11.658 73.4386 15.0613" width="73.4386pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><rect height="0.69159" width="7.79008" x="0" y="-9.55172"></rect><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z" id="g50-113"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="597" vert-adv-y="597"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,7.79,0)"><path d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z" id="g50-113"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="597" vert-adv-y="597"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,21.433,0)"><path d="M935 263C895 299 821 372 745 456L719 439L824 289H72V236H823L719 87L745 70C821 154 895 227 935 263Z" id="g54-148"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="990" vert-adv-y="990"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,40.183,0)"><path d="M434 650H168L162 618C248 609 258 608 243 528L174 155C163 93 153 39 138 1C110 -68 67 -98 24 -111L37 -147C55 -144 75 -136 94 -128C185 -87 232 -12 259 139L328 528C342 605 349 609 427 618L434 650Z" id="g50-75"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="458" vert-adv-y="458"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,46.102,0)"><path d="M381 704H317L48 -163H112L381 704Z" id="g50-48"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="429" vert-adv-y="429"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,51.684,0)"><path d="M659 416L649 451C600 438 564 414 546 396C527 377 518 354 506 308C495 265 474 200 456 152C437 102 400 45 326 34L424 510L415 514L351 494L266 44C213 55 182 94 182 174C182 200 187 243 191 277C194 304 196 331 196 357C196 415 178 451 138 451C108 451 66 431 24 386L32 355C49 370 66 377 81 377C91 377 110 370 110 328C110 300 107 269 104 240C101 214 99 188 99 162C99 37 166 -5 257 -13L220 -202C215 -228 229 -251 236 -257L274 -218L318 -11C349 -4 378 8 400 21C444 48 489 89 518 157L586 327C601 369 619 393 659 416Z" id="g50-245"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="671" vert-adv-y="671"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,60.409,0)"><path d="M583 449L551 460C535 436 529 433 494 433C409 433 311 438 228 438C97 438 53 381 24 341L44 316C85 355 124 372 183 372C161 259 87 53 26 5L34 -12C53 -12 94 -4 118 12C166 92 211 256 236 371L394 369C375 301 352 212 334 121C329 96 326 75 326 58C326 5 349 -12 381 -12C431 -12 482 25 519 66L504 97C480 80 448 64 432 64C419 64 410 80 422 154C432 217 450 303 466 365C499 365 536 366 546 369C557 384 570 409 583 449Z" id="g50-238"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="601" vert-adv-y="601"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,68.223,-5.872)"><path d="M245 635C92 635 37 457 37 312C37 148 92 -12 244 -12C395 -12 449 165 449 312C449 469 394 635 245 635ZM243 598C332 598 358 454 358 312C358 172 334 26 245 26C158 26 128 174 128 313S151 598 243 598Z" id="g58-46"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g></svg> reaction.</div>

Advances in High Energy Physics

fig3

Figure 3

Figure 3: Discovery Potential for the Neutral Charmonium-Like <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.890499pt" id="M1" height="18.3634pt" version="1.1" viewBox="-0.0657574 -15.4729 64.5347 18.3634" width="64.5347pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-91" d="M701 633L695 650H264C230 650 223 653 209 675H184C176 622 160 547 140 473L173 471C198 528 219 557 232 573C254 600 272 612 384 612H566L24 18L33 0H597C617 34 651 142 661 179L629 194C598 133 574 92 545 69C510 41 440 40 342 40C274 40 209 42 163 46L701 633Z"/></g><g transform="matrix(.012,0,0,-0.012,11.943,-7.751)"><path id="g50-49" d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z"/></g><g transform="matrix(.017,0,0,-0.017,18.473,0)"><path id="g50-41" d="M309 -142C211 -61 151 99 151 271S210 601 309 683L288 710C141 611 75 451 75 272V271C75 90 141 -72 288 -169L309 -142Z"/></g><g transform="matrix(.017,0,0,-0.017,24.617,0)"><path id="g50-53" d="M462 177V227H365V632H320C217 496 116 350 21 208V177H284V109C284 43 280 38 190 31V0H451V31C369 38 365 43 365 108V177H462ZM284 227H88C155 336 218 430 282 519H284V227Z"/></g><g transform="matrix(.017,0,0,-0.017,32.974,0)"><path id="g50-51" d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"/></g><g transform="matrix(.017,0,0,-0.017,41.331,0)"><use xlink:href="#g50-49"/></g><g transform="matrix(.017,0,0,-0.017,49.687,0)"><use xlink:href="#g50-49"/></g><g transform="matrix(.017,0,0,-0.017,58.044,0)"><path id="g50-42" d="M283 271C283 451 220 610 70 710L48 683C146 603 207 443 207 271S149 -59 48 -142L70 -169C220 -67 283 90 283 271Z"/></g></svg> by <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.3891pt" id="M2" height="17.976pt" version="1.1" viewBox="-0.0657574 -13.5869 20.6973 17.976" width="20.6973pt"><rect height="0.9128988000000001" width="10.2829056" x="0" y="-12.6082704"/><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-113" d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z"/></g><g transform="matrix(.017,0,0,-0.017,10.283,0)"><use xlink:href="#g50-113"/></g></svg> Annihilation 

Advances in High Energy Physics

Discovery Potential for the Neutral Charmonium-Like by Annihilation

Figure 3