Inclusive search for highly boosted Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at <mml:msqrt>s</mml:msqrt>=13 TeV

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F20%3A10424083" target="_blank" >RIV/00216208:11320/20:10424083 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=ss-onHal4z" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=ss-onHal4z</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/JHEP12(2020)085" target="_blank" >10.1007/JHEP12(2020)085</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Inclusive search for highly boosted Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at <mml:msqrt>s</mml:msqrt>=13 TeV

Popis výsledku v původním jazyce

A search for standard model Higgs bosons (H) produced with transverse momentum (p(T)) greater than 450 GeV and decaying to bottom quark-antiquark pairs (bb&lt;overbar&gt;&lt;/mml:mover&gt;) is performed using proton-proton collision data collected by the CMS experiment at the LHC at &lt;mml:msqrt&gt;s&lt;/mml:msqrt&gt; = 13 TeV. The data sample corresponds to an integrated luminosity of 137 fb(-1). The search is inclusive in the Higgs boson production mode. Highly Lorentz-boosted Higgs bosons decaying to bb&lt;overbar&gt;&lt;/mml:mover&gt; are reconstructed as single large-radius jets, and are identified using jet substructure and a dedicated b tagging technique based on a deep neural network. The method is validated with Z -&gt; bb&lt;overbar&gt;&lt;/mml:mover&gt; decays. For a Higgs boson mass of 125 GeV, an excess of events above the background assuming no Higgs boson production is observed with a local significance of 2.5 standard deviations (sigma), while the expectation is 0.7. The corresponding signal strength and local significance with respect to the standard model expectation are mu (H) = 3.7 1.2(stat)-0.7&lt;mml:mo&gt;+0.8(syst)&lt;mml:mo&gt;-0.5&lt;mml:mo&gt;+0.8(theo) and 1.9 sigma. Additionally, an unfolded differential cross section as a function of Higgs boson p(T) for the gluon fusion production mode is presented, assuming the other production modes occur at the expected rates.&lt;fig id=&quot;Figa&quot; position=&quot;anchor&quot;&gt;&lt;graphic position=&quot;anchor&quot; specific-use=&quot;HTML&quot; mime-subtype=&quot;JPEG&quot; xmlns:xlink=&quot;http://www.w3.org/1999/xlink&quot; xlink:href=&quot;MediaObjects/13130_2020_14374_Figa_HTML.jpg&quot; id=&quot;MO1&quot;&gt;&lt;/graphic

Název v anglickém jazyce

Inclusive search for highly boosted Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at <mml:msqrt>s</mml:msqrt>=13 TeV

Popis výsledku anglicky

A search for standard model Higgs bosons (H) produced with transverse momentum (p(T)) greater than 450 GeV and decaying to bottom quark-antiquark pairs (bb&lt;overbar&gt;&lt;/mml:mover&gt;) is performed using proton-proton collision data collected by the CMS experiment at the LHC at &lt;mml:msqrt&gt;s&lt;/mml:msqrt&gt; = 13 TeV. The data sample corresponds to an integrated luminosity of 137 fb(-1). The search is inclusive in the Higgs boson production mode. Highly Lorentz-boosted Higgs bosons decaying to bb&lt;overbar&gt;&lt;/mml:mover&gt; are reconstructed as single large-radius jets, and are identified using jet substructure and a dedicated b tagging technique based on a deep neural network. The method is validated with Z -&gt; bb&lt;overbar&gt;&lt;/mml:mover&gt; decays. For a Higgs boson mass of 125 GeV, an excess of events above the background assuming no Higgs boson production is observed with a local significance of 2.5 standard deviations (sigma), while the expectation is 0.7. The corresponding signal strength and local significance with respect to the standard model expectation are mu (H) = 3.7 1.2(stat)-0.7&lt;mml:mo&gt;+0.8(syst)&lt;mml:mo&gt;-0.5&lt;mml:mo&gt;+0.8(theo) and 1.9 sigma. Additionally, an unfolded differential cross section as a function of Higgs boson p(T) for the gluon fusion production mode is presented, assuming the other production modes occur at the expected rates.&lt;fig id=&quot;Figa&quot; position=&quot;anchor&quot;&gt;&lt;graphic position=&quot;anchor&quot; specific-use=&quot;HTML&quot; mime-subtype=&quot;JPEG&quot; xmlns:xlink=&quot;http://www.w3.org/1999/xlink&quot; xlink:href=&quot;MediaObjects/13130_2020_14374_Figa_HTML.jpg&quot; id=&quot;MO1&quot;&gt;&lt;/graphic

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10303 - Particles and field physics

Projekt

<a href="/cs/project/LM2018104" target="_blank" >LM2018104: Výzkumná infrastruktura pro experimenty v CERN</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of High Energy Physics [online]

ISSN

1029-8479

e-ISSN

—

Svazek periodika

2020

Číslo periodika v rámci svazku

12

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

49

Strana od-do

85

Kód UT WoS článku

000599756700003

EID výsledku v databázi Scopus

—