A search is presented for new particles produced in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ at the LHC, using events with energetic jets and large missing transverse momentum. The analysis is based on a data sample corresponding to an integrated luminosity of $101~\mathrm{fb}^{-1}$, collected in 2017$-$2018 with the CMS detector. Separate categories are defined for events with narrow jets from initial-state radiation and with large-radius jets consistent with a hadronic decay of a W or a Z boson. Novel machine learning techniques are used to identify hadronic W and Z boson decays. The analysis is combined with an earlier search based on a data sample corresponding to an integrated luminosity of $36~\mathrm{fb}^{-1}$, collected in 2016. No significant excess of events is observed with respect to the standard model background expectation, as determined from control samples in data. The results are interpreted in terms of limits on the branching fraction of an invisible decay of the Higgs boson, as well as constraints on simplified models of dark matter, on first-generation scalar leptoquarks decaying to quarks and neutrinos, and on gravitons in models with large extra dimensions. Several of the new limits are the most restrictive to date.
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CMS
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Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. CMS-PAS-EXO-20-004.
Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. HEPData (collection).
https://doi.org/10.17182/hepdata.106059
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CMS
Collaboration
(2021).
Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ (Version 1). HEPData (collection).
https://doi.org/10.17182/hepdata.106059.v1
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CMS
Collaboration
(2021).
“Signal templates, DMsimp, spin-1, Monojet” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t1
CMS
Collaboration
(2021).
“Signal templates, DMsimp, spin-0, Monojet” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t2
CMS
Collaboration
(2021).
“Signal templates, ADD, Monojet” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t3
CMS
Collaboration
(2021).
“Signal templates, LQ, Monojet” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t4
CMS
Collaboration
(2021).
“Signal templates, DMsimp, spin-1, Mono-V ($\tau_{21}$)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t5
CMS
Collaboration
(2021).
“Signal templates, DMsimp, spin-0, Mono-V ($\tau_{21}$)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t6
CMS
Collaboration
(2021).
“Signal templates, ADD, Mono-V ($\tau_{21}$)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t7
CMS
Collaboration
(2021).
“Signal templates, LQ, Mono-V ($\tau_{21}$)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t8
CMS
Collaboration
(2021).
“Yields (Mono-V (high purity))” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t9
CMS
Collaboration
(2021).
“Yields (Mono-V (low purity))” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t10
CMS
Collaboration
(2021).
“Yields (Monojet)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t11
CMS
Collaboration
(2021).
“Simplified likelihood: covariance matrix (Monojet + mono-V)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t12
CMS
Collaboration
(2021).
“Simplified likelihood: Yields (Monojet + mono-V)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t13
CMS
Collaboration
(2021).
“Simplified likelihood: covariance matrix (Monojet)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t14
CMS
Collaboration
(2021).
“Simplified likelihood: Yields (Monojet)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t15
CMS
Collaboration
(2021).
“Simplified likelihood: covariance matrix (Mono-V)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t16
CMS
Collaboration
(2021).
“Simplified likelihood: Yields (Mono-V)” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t17
CMS
Collaboration
(2021).
“Cut flow for Monojet, Fermion portal” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t18
CMS
Collaboration
(2021).
“Cut flow for Monojet, ADD” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t19
CMS
Collaboration
(2021).
“Cut flow for Monojet, DM, spin-1 mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t20
CMS
Collaboration
(2021).
“Cut flow for Monojet, DM, spin-0 mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t21
CMS
Collaboration
(2021).
“Cut flow for Monojet, Higgs portal” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t22
CMS
Collaboration
(2021).
“Cut flow for Monojet, Leptoquark” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t23
CMS
Collaboration
(2021).
“Cut flow for Mono-V (low purity), Fermion portal” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t24
CMS
Collaboration
(2021).
“Cut flow for Mono-V (low purity), ADD” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t25
CMS
Collaboration
(2021).
“Cut flow for Mono-V (low purity), DM, spin-1 mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t26
CMS
Collaboration
(2021).
“Cut flow for Mono-V (low purity), DM, spin-0 mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t27
CMS
Collaboration
(2021).
“Cut flow for Mono-V (low purity), Higgs portal” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t28
CMS
Collaboration
(2021).
“Cut flow for Mono-V (low purity), Leptoquark” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t29
CMS
Collaboration
(2021).
“Cut flow for Mono-V (high purity), Fermion portal” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t30
CMS
Collaboration
(2021).
“Cut flow for Mono-V (high purity), ADD” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t31
CMS
Collaboration
(2021).
“Cut flow for Mono-V (high purity), DM, spin-1 mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t32
CMS
Collaboration
(2021).
“Cut flow for Mono-V (high purity), DM, spin-0 mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t33
CMS
Collaboration
(2021).
“Cut flow for Mono-V (high purity), Higgs portal” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t34
CMS
Collaboration
(2021).
“Cut flow for Mono-V (high purity), Leptoquark” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t35
CMS
Collaboration
(2021).
“2D exclusion contour, axial, Median Expected” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t36
CMS
Collaboration
(2021).
“2D exclusion contour, axial, Observed” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t37
CMS
Collaboration
(2021).
“2D exclusion contour, axial, Expected plus 1 s.d.” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t38
CMS
Collaboration
(2021).
“2D exclusion contour, axial, Expected minus 1 s.d.” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t39
CMS
Collaboration
(2021).
“2D exclusion contour, vector, Median Expected” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t40
CMS
Collaboration
(2021).
“2D exclusion contour, vector, Observed” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t41
CMS
Collaboration
(2021).
“2D exclusion contour, vector, Expected plus 1 s.d.” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t42
CMS
Collaboration
(2021).
“2D exclusion contour, vector, Expected minus 1 s.d.” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t43
CMS
Collaboration
(2021).
“Coupling limits on $g_{\chi}$, axial mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t44
CMS
Collaboration
(2021).
“Coupling limits on $g_{q}$, axial mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t45
CMS
Collaboration
(2021).
“Coupling limits on $g_{\chi}$, vector mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t46
CMS
Collaboration
(2021).
“Coupling limits on $g_{q}$, vector mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t47
CMS
Collaboration
(2021).
“Signal strength limits, scalar mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t48
CMS
Collaboration
(2021).
“Signal strength limits, pseudoscalar mediator” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t49
CMS
Collaboration
(2021).
“ADD $M_{D}$ limits” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t50
CMS
Collaboration
(2021).
“2D exclusion contour, fermion portal, Median Expected” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t51
CMS
Collaboration
(2021).
“2D exclusion contour, fermion portal, Observed” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t52
CMS
Collaboration
(2021).
“2D exclusion contour, fermion portal, Expected plus 1 s.d.” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t53
CMS
Collaboration
(2021).
“2D exclusion contour, fermion portal, Expected minus 1 s.d.” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t54
CMS
Collaboration
(2021).
“DeepAK8 tagging efficiencies” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.106059.v1/t55
Additional resources
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CMS
Collaboration
(2021).
“generator_cards.tgz” of “Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$” (Version 1). HEPData (other).
https://doi.org/10.17182/hepdata.106059.v1/r1
When using this data, please cite the original publication:
CMS
Collaboration
(2021).
Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. CMS-PAS-EXO-20-004.
or, if you prefer, a specific version of the
record:
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