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Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
CERN-LHC. A search for long-lived, massive particles predicted by many theories beyond the Standard Model is presented. The search targets final states with large missing transverse momentum and at least one high-mass displaced vertex with five or more tracks, and uses 32.8 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ collision data collected by the ATLAS detector at the LHC. The observed yield is consistent with the expected background. The results are used to extract 95% CL exclusion limits on the production of long-lived gluinos with masses up to 2.37 TeV and lifetimes of $\mathcal{O}(10^{-2})\text{--}\mathcal{O}(10)$ ns in a simplified model inspired by Split Supersymmetry.
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Vertex reconstruction efficiency as a function of radial position $R$ with and without the special LRT processing for one $R$-hadron...
Vertex reconstruction eff. for different neutralino masses
Data from Figure 2b
10.17182/hepdata.78697.v1/t9
Vertex reconstruction efficiency as a function of radial position $R$ for two $R$-hadron signal samples with $m_{\tilde{g}} = 1.2$ TeV,...
Signal efficiency for fixed LSP lifetime
Data from Figure 4a
10.17182/hepdata.78697.v1/t10
Fractions of selected events for several signal MC samples with a gluino lifetime $\tau = 1$ ns, illustrating how $\mathcal{A}\times\varepsilon$...
Signal efficiency for fixed DeltaM
Data from Figure 4b
10.17182/hepdata.78697.v1/t11
Fractions of selected events for several signal MC samples with a mass difference $\Delta m = 100$ GeV, illustrating how...
Number of vertices in data / signal with 100 GeV neutralino
Data from Figure 7a
10.17182/hepdata.78697.v1/t12
Two-dimensional distribution of $m_{\mathrm{DV}}$ and track multiplicity for DVs in data events and events of a $R$-hadron signal sample with...
Number of vertices in data / signal with 1320 GeV neutralino
Data from Figure 7b
10.17182/hepdata.78697.v1/t13
Two-dimensional distribution of $m_{\mathrm{DV}}$ and track multiplicity for DVs in data events and events of a $R$-hadron signal sample with...
X-section U.L. for fixed DeltaM and 1.4 TeV gluino
Data from Figure 9a
10.17182/hepdata.78697.v1/t14
Upper 95% CL limits on the signal cross section for $m_{\tilde{g}}=1.4$ TeV and fixed $\Delta m=100$ GeV as a function...
X-section U.L. for fixed DeltaM and 2.0 TeV gluino
Data from Figure 9a
10.17182/hepdata.78697.v1/t15
Upper 95% CL limits on the signal cross section for $m_{\tilde{g}}=2.0$ TeV and fixed $\Delta m=100$ GeV as a function...
Exclusion contour for fixed DeltaM
Data from Figure 9b
10.17182/hepdata.78697.v1/t16
Lower 95% CL limit on $m_{\tilde{g}}$ for fixed $\Delta m=100$ GeV as a function of lifetime $\tau$.
Spatial distribution of vertices observed in data
Data from Figure 17b
10.17182/hepdata.78697.v1/t17
Two-dimensional distributions of $x$-$y$ positions of vertices observed in the data passing the vertex pre-selection and satisfying all signal region...
DV mass for data and five signal samples
Data from Figure 18a
10.17182/hepdata.78697.v1/t18
Distribution of the mass $m_{\mathrm{DV}}$ for vertices in data events and in events of five $R$-hadron signal samples with $m_{\tilde{g}}...
DV track multiplicity for data and five signal samples
Data from Figure 18b
10.17182/hepdata.78697.v1/t19
Distribution of the track multiplicity $n_{\mathrm{Tracks}}$ for vertices in data events and events of five $R$-hadron signal samples with $m_{\tilde{g}}...
X-section U.L. for fixed DeltaM and various gluino masses
Data from Figure 19b
10.17182/hepdata.78697.v1/t20
Observed cross section upper 95% CL limits as a function of $m_{\tilde{g}}$ and $\tau$ for $\Delta m=100$ GeV. For the...
X-section U.L. for fixed LSP lifetime and various gluino masses
Data from Figure 19c
10.17182/hepdata.78697.v1/t21
Observed cross section upper 95% CL limits as a function of $m_{\tilde{\chi}_{1}^{0}}$ and $m_{\tilde{g}}$ for $\tau = 1$ ns. For...
Parameterized efficiencies for decays before calorimeter
Data from Figure 20a
10.17182/hepdata.78697.v1/t22
Parameterized event selection efficiencies as a function of truth MET for events which have all truth decay vertices occurring before...
Parameterized efficiencies for decays inside calorimeter
Data from Figure 20b
10.17182/hepdata.78697.v1/t23
Parameterized event selection efficiencies as a function of truth MET for events which have the furthest truth decay occurring inside...
Parameterized efficiencies for decays after calorimeter
Data from Figure 20c
10.17182/hepdata.78697.v1/t24
Parameterized event selection efficiencies as a function of truth MET for events which have the furthest truth decay occurring after...
Parameterized efficiencies for detector region 0
Data from Figure 21a
10.17182/hepdata.78697.v1/t25
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 1
Data from Figure 21b
10.17182/hepdata.78697.v1/t26
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 2
Data from Figure 21c
10.17182/hepdata.78697.v1/t27
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 3
Data from Figure 21d
10.17182/hepdata.78697.v1/t28
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 4
Data from Figure 21e
10.17182/hepdata.78697.v1/t29
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 5
Data from Figure 21f
10.17182/hepdata.78697.v1/t30
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 6
Data from Figure 22a
10.17182/hepdata.78697.v1/t31
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 7
Data from Figure 22b
10.17182/hepdata.78697.v1/t32
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 8
Data from Figure 22c
10.17182/hepdata.78697.v1/t33
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 9
Data from Figure 22d
10.17182/hepdata.78697.v1/t34
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 10
Data from Figure 22e
10.17182/hepdata.78697.v1/t35
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
Parameterized efficiencies for detector region 11
Data from Figure 22f
10.17182/hepdata.78697.v1/t36
Parameterized vertex level efficiencies as a function of number of particles associated to a truth decay vertex, and the vertex...
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When using this data, please cite the original publication:
ATLAS
Collaboration
(2018).
Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector. Phys.Rev.D 97 (2018) 052012.
Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector. HEPData (collection).
https://doi.org/10.17182/hepdata.78697
or, if you prefer, a specific version of the
record:
ATLAS
Collaboration
(2017).
Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector (Version 1). HEPData (collection).
https://doi.org/10.17182/hepdata.78697.v1
You can also cite the 36 data
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individually.
Data tables
Choose table:
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed LSP mass and 1.4 TeV gluino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t28
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed LSP mass and 2.0 TeV gluino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t29
ATLAS
Collaboration
(2017).
“Exclusion contour for fixed LSP mass” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t30
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed LSP lifetime and 1.4 TeV gluino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t34
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed LSP lifetime and 2.0 TeV gluino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t35
ATLAS
Collaboration
(2017).
“Exclusion contour for fixed LSP lifetime” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t36
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed LSP mass and various gluino masses” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t7
ATLAS
Collaboration
(2017).
“Vertex reconstruction eff. with/without LRT processing” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t8
ATLAS
Collaboration
(2017).
“Vertex reconstruction eff. for different neutralino masses” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t9
ATLAS
Collaboration
(2017).
“Signal efficiency for fixed LSP lifetime” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t10
ATLAS
Collaboration
(2017).
“Signal efficiency for fixed DeltaM” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t11
ATLAS
Collaboration
(2017).
“Number of vertices in data / signal with 100 GeV neutralino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t12
ATLAS
Collaboration
(2017).
“Number of vertices in data / signal with 1320 GeV neutralino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t13
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed DeltaM and 1.4 TeV gluino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t14
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed DeltaM and 2.0 TeV gluino” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t15
ATLAS
Collaboration
(2017).
“Exclusion contour for fixed DeltaM” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t16
ATLAS
Collaboration
(2017).
“Spatial distribution of vertices observed in data” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t17
ATLAS
Collaboration
(2017).
“DV mass for data and five signal samples” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t18
ATLAS
Collaboration
(2017).
“DV track multiplicity for data and five signal samples” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t19
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed DeltaM and various gluino masses” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t20
ATLAS
Collaboration
(2017).
“X-section U.L. for fixed LSP lifetime and various gluino masses” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t21
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for decays before calorimeter” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t22
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for decays inside calorimeter” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t23
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for decays after calorimeter” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t24
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 0” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t25
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 1” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t26
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 2” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t27
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 3” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t28
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 4” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t29
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 5” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t30
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 6” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t31
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 7” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t32
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 8” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t33
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 9” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t34
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 10” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t35
ATLAS
Collaboration
(2017).
“Parameterized efficiencies for detector region 11” of “Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.78697.v1/t36
When using this data, please cite the original publication:
ATLAS
Collaboration
(2018).
Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector. Phys.Rev.D 97 (2018) 052012.
or, if you prefer, a specific version of the
record:
You can also cite the 36 data
tables
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