Analysis of Top Quark Pair Production Signal from Neutral 2HDM Higgs Bosons at LHC

<table class="fixed-width table-group" id="tab2"><tr class="table-caption" id="a"><td><div><b>(a) </b></div></td></tr><tr><td><table class="table"><colgroup><col style="width:6.66em"/><col style="width:2.74em"/><col style="width:2.96em"/><col style="width:2.94em"/><col style="width:2.79em"/><col style="width:2.77em"/><col style="width:3.11em"/></colgroup><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center" colspan="6">Signal</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left"><svg height="10.640396pt" id="M89" style="vertical-align:-4.679488pt" version="1.1" viewbox="-0.049816 -5.960908 35.517368 10.640396" width="35.517368pt" 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="M766 88L752 113C719 83 690 64 681 64C674 64 672 74 679 103L724 292C758 436 724 448 701 448C680 448 666 442 639 429C594 407 514 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32L475 0H753L762 32C673 39 668 46 685 130L757 516C772 606 778 610 861 618L870 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,21.237,3.132)"><path d="M381 704H317L48 -163H112L381 704Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,25.155,3.132)"><path d="M722 32C646 41 636 48 622 116L544 496L509 667L472 658L153 123C106 45 93 42 27 32L18 0H259L268 32C178 40 172 48 204 107L272 233H509C523 180 533 137 540 96C548 50 546 39 466 32L457 0H714L722 32ZM502 283H299L448 547H450L502 283Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,31.65,3.132)"><path d="M283 271C283 451 220 610 70 710L48 683C146 603 207 443 207 271S149 -59 48 -142L70 -169C220 -67 283 90 283 271Z"></path></g></svg> [GeV]</td><td class="align_center">500</td><td class="align_center">600</td><td class="align_center">700</td><td class="align_center">800</td><td class="align_center">900</td><td class="align_center">1000</td></tr><tr><td class="align_left" colspan="7"><hr/></td></tr><tr><td class="align_left"><svg 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class="align_center">5.6</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-caption" id="b"><td><div><b>(b) </b></div></td></tr><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center" colspan="9">Background</td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center"> tt </td><td class="align_center"> WW </td><td class="align_center"> WZ </td><td class="align_center"> ZZ </td><td class="align_center"> sts </td><td class="align_center"> stt </td><td class="align_center"> W </td><td class="align_center"> Z </td><td class="align_center"> QCD 6j</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left"><svg height="8.985834pt" id="M91" style="vertical-align:-0.3499289pt" version="1.1" viewbox="-0.049816 -8.635905 36.575139 8.985834" width="36.575139pt" 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<div>The signal and background cross sections at <svg height="13.148371pt" id="M86" style="vertical-align:-2.636734pt" version="1.1" viewbox="-0.049816 -10.511637 42.412274 13.148371" width="42.412274pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,-.271)"><path d="M782 731H740L476 -79H474L280 352L133 274L151 239L242 286L473 -219L782 731Z"></path></g><rect height="0.65243" width="4.893271" x="9.969253" y="-9.809391"></rect><g transform="matrix(.013,0,0,-0.013,9.969,0)"><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"></path></g><g transform="matrix(.013,0,0,-0.013,18.494,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,29.786,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z"></path></g><g transform="matrix(.013,0,0,-0.013,36.049,0)"><path d="M456 178V225H360V632H320C217 496 115 347 20 206V178H280V106C280 40 276 34 189 27V0H445V27C364 34 360 39 360 106V178H456ZM280 225H82C149 335 214 431 278 520H280V225Z"></path></g></svg> TeV. The “sts” and “stt” denote the <span class="nowrap"><svg height="6.167302pt" id="M87" style="vertical-align:-0.2063942pt" version="1.1" viewbox="-0.049816 -5.960908 4.992904 6.167302" width="4.992904pt" 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"></path></g></svg>-</span>channel and <span class="nowrap"><svg height="8.020217pt" id="M88" style="vertical-align:-0.2063937pt" version="1.1" viewbox="-0.049816 -7.813823 4.549255 8.020217" width="4.549255pt" 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="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z"></path></g></svg>-</span>channel single top processes and QCD 6j represents QCD multijet events with 6 jets in the final state.</div>

Advances in High Energy Physics

tab2

Table 2

Table 2: Analysis of Top Quark Pair Production Signal from Neutral 2HDM Higgs Bosons at LHC 