Search for Higgs Boson and Observation of <math display="inline"><mi>Z</mi></math> Boson through their Decay into a Charm Quark-Antiquark Pair in Boosted Topologies in Proton-Proton Collisions at <math display="inline"><mrow><msqrt><mrow><mi>s</mi></mrow></msqrt><mo>=</mo><mn>13</mn><mtext> </mtext><mtext> </mtext><mi>TeV</mi></mrow></math> - INSPIRE

DataBETA

Search for Higgs Boson and Observation of $Z$ Boson through their Decay into a Charm Quark-Antiquark Pair in Boosted Topologies in Proton-Proton Collisions at $\sqrt{s} = 13 TeV$

CMS

Collaboration

Nov 25, 2022

21 pages

Published in:

Phys.Rev.Lett. 131 (2023) 4, 041801

Published: Jul 26, 2023

e-Print:

2211.14181 [hep-ex]

DOI:

10.1103/PhysRevLett.131.041801 (publication)

PDG:

{{\mathit c}}{{\overline{\mathit c}}}

Report number:

CMS-HIG-21-012,
CERN-EP-2022-233

Experiments:

CERN-LHC-CMS

View in:

reference search29 citations

Citations per year

Abstract:

A search for the standard model (SM) Higgs boson (

H

) produced with transverse momentum (

p_T

) greater than 450 GeV and decaying to a charm quark-antiquark (

c\bar{c}

) pair is presented. The search is performed using proton-proton collision data collected at

\sqrt{s} = 13

TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 138 fb

^{−1}

. Boosted

H \to c\bar{c}

decay products are reconstructed as a single large-radius jet and identified using a deep neural network charm tagging technique. The method is validated by measuring the

Z \to c\bar{c}

decay process, which is observed in association with jets at high

p_T

for the first time with a signal strength of

1.00^{+0.17}_{−0.14}

(syst)

\pm 0.08

(theo)

\pm 0.06

(stat), defined as the ratio of the observed process rate to the SM expectation. The observed (expected) upper limit on

\sigma (H){\cal B}(H \to c\bar{c})

is set at 47 (39) times the SM prediction at 95\% confidence level.

Note:

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/HIG-21-012 (CMS Public Pages)

p p: scattering
p p: colliding beams
Higgs particle: hadroproduction
Higgs particle: hadronic decay
charm: pair production
charm: particle identification
Higgs particle: transverse momentum
transverse momentum: high
boosted particle
Z0: associated production

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