LIMITS ON CHARGED PARTICLES IN HADRONIC REACTIONS

Long-Lived Particle (LLP) Search at Hadron Collisions

INSPIRE   PDGID:
S015XL
Limits are for cross section times branching ratio.
VALUE (fb) CL% DOCUMENT ID TECN  COMMENT
• • We do not use the following data for averages, fits, limits, etc. • •
1
AAD
2022H
 ATLS LLP search with ${{\mathit \mu}}$ spectrometer
2
AAD
2022K
 ATLS LLP search via displaced jets in the calorimeter
3
AAD
2022U
 ATLS LLP/chargino search via tracklet
4
AAIJ
2022U
 LHCB LLP semileptonic decay to muon
5
ACHARYA
2022A
 MOED monopoles/HECOs at LHC
6
TUMASYAN
2022AD
 CMS heavy neutral lepton LLP search
7
TUMASYAN
2022AF
 CMS LLP search via displaced lepton tracks
8
TUMASYAN
2022M
 CMS LLP search via ${{\mathit Z}}{{\mathit H}}$ production
9
TUMASYAN
2022N
 CMS LLP search via dimuons
10
AAD
2021AL
 ATLS charged LLPs search
11
AAD
2021BA
 ATLS LLP from higgs decay search
12
AAIJ
2021V
 LHCB LLP $\rightarrow$ ${{\mathit e}}{{\mathit \mu}}{{\mathit \nu}}$ search
13
SIRUNYAN
2021AF
 CMS LLP search via displaced jets
$<0.07$ 95 14
SIRUNYAN
2021U
 CMS LLP search via displaced jets
15
TUMASYAN
2021
CMS LLP endcap muon detector searches
16
AAD
2020D
 ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ LLPs at 13 TeV
17
AAD
2020J
 ATLS scalar boson decay to LLPs
18
AAD
2020M
 ATLS LLP top squark decay to ${{\mathit \mu}}$
19
AAD
2020P
 ATLS LLP dark photon search
20
AAIJ
2020AL
 LHCB ${{\mathit p}}{{\mathit p}}$ dimuon resonance
21
BALL
2020
LLP milli-charged particles at LHC
22
AABOUD
2019AE
 ATLS ${{\mathit p}}{{\mathit p}}$ at 13 TeV
23
AABOUD
2019AK
 ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Phi}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}_{{d}}}$
24
AABOUD
2019AM
 ATLS DY multi-charged LLP production
25
AABOUD
2019AO
 ATLS LLP via displaced jets
26
AABOUD
2019AT
 ATLS heavy, charged LLPs
27
AABOUD
2019G
 ATLS LLP decay to ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$
28
SIRUNYAN
2019BH
 CMS LLP via displaced jets
29
SIRUNYAN
2019BT
 CMS LLP via displaced jets+MET
30
SIRUNYAN
2019CA
 CMS LLP $\rightarrow$ ${{\mathit \gamma}}$ search
31
SIRUNYAN
2019Q
 CMS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit j}}$ + displaced dark quark jet
32
SIRUNYAN
2018AW
 CMS Long-lived particle search
33
AAIJ
2016AR
 LHCB ${{\mathit H}}$ $\rightarrow$ ${{\mathit X}}{{\mathit X}}$ LLPs
34
KHACHATRYAN
2016BW
 CMS direct production: HSCPs
$<2000$ 90 35
BADIER
1986
BDMP $\tau $ = (0.05$-1.){\times }10^{-8}$s
1  AAD 2022H search for scalar mediator decay to two LLPs which decay in muon chambers with 139 fb${}^{-1}$ at 13 TeV; no signal detected; limits placed on various simplified models.
2  AAD 2022K search for LLP pair production via scalar mediator with LLP decay in hadron calorimeter; no signal detected; limits placed for various simplified models.
3  AAD 2022U search for chargino LLP via disappearing tracks; no signal observed; limits placed in m(chargino) vs lifetime plane for cases of higgsino- or wino-like chargino .
4  AAIJ 2022U reports search for LLP production at LHCB with 5.4 fb${}^{-1}$ at 13 TeV followed by semileptonic decay to muon; no signal detected; limits placed in mass or lifetime vs. cross section plane for several simplified models.
5  ACHARYA 2022A report search for monople and HECO production via DY at 8 TeV LHC with 2.2 fb${}^{-1}$ with MoEDAL detector; no signal detected; limits placed in mass vs. cross section plane for various electric/magnetic charge scenarios.
6  TUMASYAN 2022AD search for heavy neutral lepton which decays as LLP to trilepton state with 138 fb${}^{-1}$ at 13 TeV; no signal detected; limits placed in mass vs. coupling plane.
7  TUMASYAN 2022AF search for LLPs via displaced lepton vertices. The analysis is performed with an integrated luminosity of 118 (113) fb${}^{-1}$ when analyzing the ${{\mathit e}}{{\mathit e}}$ ( ${{\mathit e}}{{\mathit \mu}}$ , ${{\mathit \mu}}{{\mathit \mu}}$ ) channel; no signal detected; limits placed for a variety of simplified models.
8  TUMASYAN 2022M search in 117 fb${}^{-1}$ of 13 TeV data for ${{\mathit Z}}{{\mathit H}}$ production with ${{\mathit H}}$ $\rightarrow$ ${{\mathit S}}{{\mathit S}}$ where ${{\mathit S}}$ is a LLP; no signal observed; limits placed in decay length vs. branching fraction plane.
9  TUMASYAN 2022N search in 101 fb${}^{-1}$ of 13 TeV data for LLP production via decay to dimuons; no signal observed; limits placed on mass vs. coupling or lifetime for a variety of simplified models.
10  AAD 2021AL reports on ATLAS search for long-lived charged particles with 139 fb${}^{-1}$ at 13 TeV. No signal observed. Limits placed in lifetime vs. mass plane: e.g. for ${{\mathit \tau}}$(LLP) $\sim{}$ 0.1 ns, m(selectron) $>$ 720 GeV.
11  AAD 2021BA search for long-lived particles from ${{\mathit Z}}{{\mathit H}}$ production ( ${{\mathit H}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ ) with 2 displaced vertices in 139 fb${}^{-1}$ of data at 13 TeV. No signal detected. Limits placed in branching fraction vs. lifetime plane.
12  AAIJ 2021V search for ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ LLP + LLP with LLP $\rightarrow$ ${{\mathit e}}{{\mathit \mu}}{{\mathit \nu}}$ in the lifetime range between 2 and 50 ps at LHCb with 5.4 fb${}^{-1}$ at 13 TeV. No signal observed. Limits placed in LLP cross section vs. mass or lifetime plane for m(LLP) $\sim{}$ 7 to 50 GeV.
13  SIRUNYAN 2021AF search for LLPs at CMS via jets with 2 displaced vertices in 140 fb${}^{-1}$ of data at 13 TeV. No signal observed. Limits placed for RPV SUSY models in which a long-lived neutralino or gluino decays into a multijet final state with top, bottom, and strange quarks.
14  SIRUNYAN 2021U search for long-lived particles (LLPs) via displaced jets at CMS with LHC13 and 132 fb${}^{-1}$. No signal detected. Limits placed on simplified model production of LLP ${{\mathit X}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}$ with ${{\mathit \sigma}}$ $<$ 0.07 fb for m(X) $>$ 500 GeV and c${{\mathit \tau}}$ $\sim{}$ 2 to 250 mm.
15  TUMASYAN 2021 search for long-lived particles in CMS muon endcap detector in 137 fb${}^{-1}$ of data at 13 TeV. No signal detected. Limits are placed depending on the branching fraction of Higgs boson to LLP decaying to ${{\mathit d}}{{\mathit d}}$ , ${{\mathit b}}{{\mathit b}}$ , and ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ , depending on proper decay length, and LLP masses.
16  AAD 2020D search for opposite-sign dileptons originating from long-lived particles in ${{\mathit p}}{{\mathit p}}$ collisions at 13 Tev with 32.8 fb${}^{-1}$; limits placed in squark cross section vs. c${{\mathit \tau}}$ plane for RPV SUSY.
17  AAD 2020J search for scalar boson decay to two long-lived particles; no signal; limits placed in BF vs c${{\mathit \tau}}$ plane for various mass hypotheses. This search is also combined with other ATLAS displaced-jet searches.
18  AAD 2020M search for long-lived top-squarks decay to ${{\mathit \mu}}$ and hadrons; no signal; limits placed in cross section vs. mass and mass vs. lifetime planes .
19  AAD 2020P search for long-lived dark photons produced from the decay of a scalar boson, with each dark photon decaying into displaced collimated leptons or light hadrons at 13 TeV with 36 fb${}^{-1}$; no signal; limits placed in ${{\mathit \sigma}}\cdot{}$BF vs. c${{\mathit \tau}}$ and other planes.
20  AAIJ 2020AL search for long-lived ${{\mathit X}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ decays in 5.1 fb${}^{-1}$ of LHCb data at 13 TeV; no signal; limits placed on m(${{\mathit X}}$) up to 3 GeV depending on kinetic mixing.
21  BALL 2020 search for long-lived milli-charged particles produced at LHC; limits placed in charge vs. mass plane (Fig. 8).
22  AABOUD 2019AE search for long-lived particles via displaced jets using 10.8 fb${}^{-1}$ or 33.0 fb${}^{-1}$ data (depending on a trigger) at 13 TeV; no signal found and limits set in branching ratio vs. decay length plane.
23  AABOUD 2019AK searches for long-lived particle ${{\mathit Z}_{{d}}}$ via ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Phi}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}_{{d}}}$ at 13 TeV with 36.1 fb${}^{-1}$; no signal found and limits set in ${{\mathit \sigma}}{\times }$BR vs. lifetime plane for simplified model.
24  AABOUD 2019AM search for Drell-Yan (DY) production of long-lived multi-charge particles at 13 TeV with 36.1 fb${}^{-1}$ of data; no signal found and exclude 50 GeV $<$ m(LLMCP) $<$ $980 - 1220$ GeV for electric charge $\vert $q$\vert $ = ($2 - 7$)e.
25  AABOUD 2019AO search for neutral long-lived particles producing displaced jets at 13 TeV with 36.1 fb${}^{-1}$ of data; no signal found and exclude regions of ${{\mathit \sigma}}\cdot{}$BR vs. lifetime plane for various models.
26  AABOUD 2019AT search for heavy, charged long-lived particles at 13 TeV with 36.1 fb${}^{-1}$; no signal found and upper limits set on masses of various hypothetical particles.
27  AABOUD 2019G search for long-lived particle with decay to ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ at 13 TeV with 32.9 fb${}^{-1}$; no signal found and limits set in combinations of lifetime, mass and coupling planes for various simplified models.
28  SIRUNYAN 2019BH search for long-lived SUSY particles via displaced jets at 13 TeV with 35.9 fb${}^{-1}$; no signal found and limits placed in mass vs lifetime plane for various hypothetical models.
29  SIRUNYAN 2019BT search for displaced jet(s)+$\not E_T$ at 13 TeV with 137 fb${}^{-1}$; no signal found and limits placed in mass vs lifetime plane for gauge mediated SUSY breaking models.
30  SIRUNYAN 2019CA search for gluino/squark decay to long-lived neutralino, decay to ${{\mathit \gamma}}$ in GMSB; no signal, limits placed in m(${{\mathit \chi}}$) vs. lifetime plane for SPS8 GMSB benchmark point .
31  SIRUNYAN 2019Q search for ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit j}}$ + displaced jet via dark quark with 13 TeV at 16.1 fb${}^{-1}$; no signal found and limits set in mass vs lifetime plane for dark quark/dark pion model.
32  SIRUNYAN 2018AW search for very long lived particles (LLPs) decaying hadronically or to ${{\mathit \mu}}{{\overline{\mathit \mu}}}$ in CMS detector; none seen/limits set on lifetime vs. cross section.
33  AAIJ 2016AR search for long lived particles from ${{\mathit H}}$ $\rightarrow$ ${{\mathit X}}{{\mathit X}}$ with displaced ${{\mathit X}}$ decay vertex using 0.62 fb${}^{-1}$ at 7 TeV; limits set in Fig. 7.
34  KHACHATRYAN 2016BW search for heavy stable charged particles via ToF with 2.5 fb${}^{-1}$ at 13 TeV; require stable m(gluinoball) $>$ 1610 GeV.
35  BADIER 1986 looked for long-lived particles at 300 GeV ${{\mathit \pi}^{-}}$ beam dump. The limit applies for nonstrongly interacting neutral or charged particles with mass $>$2 GeV. The limit applies for particle modes, ${{\mathit \mu}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ , ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ X, ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{\pm}}$ etc. See their figure 5 for the contours of limits in the mass-$\tau $ plane for each mode.
References:
AAD 2022U
EPJ C82 606 Search for long-lived charginos based on a disappearing-track signature using 136 fb$^{-1}$ of pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
AAD 2022K
JHEP 2206 005 Search for neutral long-lived particles in $pp$ collisions at $ \sqrt{s} $ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter
AAD 2022H
PR D106 032005 Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\sqrt s$=13??TeV
AAIJ 2022U
EPJ C82 373 Search for massive long-lived particles decaying semileptonically at $\sqrt {s}$ = 13 TeV
ACHARYA 2022A
EPJ C82 694 Search for highly-ionizing particles in $pp$ collisions at the LHC?s Run-1 using the prototype MoEDAL detector
TUMASYAN 2022M
JHEP 2203 160 Search for long-lived particles produced in association with a Z boson in proton-proton collisions at $ \sqrt{s} $ = 13 TeV
TUMASYAN 2022AD
JHEP 2207 081 Search for long-lived heavy neutral leptons with displaced vertices in proton-proton collisions at $ \sqrt{\mathrm{s}} $ =13 TeV
TUMASYAN 2022AF
EPJ C82 153 Search for long-lived particles decaying to leptons with large impact parameter in proton?proton collisions at $\sqrt{s} = 13\,\text {Te}\text {V} $
TUMASYAN 2022N
JHEP 2204 062 Search for long-lived particles decaying into muon pairs in proton-proton collisions at $ \sqrt{s} $ = 13 TeV collected with a dedicated high-rate data stream
AAD 2021BA
JHEP 2111 229 Search for exotic decays of the Higgs boson into long-lived particles in $pp$ collisions at $ \sqrt{s} $ = 13 TeV using displaced vertices in the ATLAS inner detector
AAD 2021AL
PRL 127 051802 Search for Displaced Leptons in $\sqrt{s} = 13$ TeV $pp$ Collisions with the ATLAS Detector
AAIJ 2021V
EPJ C81 261 Search for long-lived particles decaying to $e^\pm \mu^\mp \nu$
SIRUNYAN 2021AF
PR D104 052011 Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at $\sqrt{s}=$ 13 TeV
SIRUNYAN 2021U
PR D104 012015 Search for long-lived particles using displaced jets in proton-proton collisions at $\sqrt{s} = $ 13 TeV
TUMASYAN 2021
PRL 127 261804 Search for Long-Lived Particles Decaying in the CMS End Cap Muon Detectors in Proton-Proton Collisions at $\sqrt s$ =13??TeV
AAD 2020D
PL B801 135114 Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in $pp$ collisions at $\sqrt {s}$ =13 TeV with the ATLAS detector
AAD 2020P
EPJ C80 450 Search for light long-lived neutral particles produced in $pp$ collisions at $\sqrt{s} =$ 13 TeV and decaying into collimated leptons or light hadrons with the ATLAS detector
AAD 2020J
PR D101 052013 Search for long-lived neutral particles produced in $pp$ collisions at $\sqrt{s} = 13$ TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer
AAD 2020M
PR D102 032006 Search for long-lived, massive particles in events with a displaced vertex and a muon with large impact parameter in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
AAIJ 2020AL
JHEP 2010 156 Searches for low-mass dimuon resonances
BALL 2020
PR D102 032002 Search for millicharged particles in proton-proton collisions at $\sqrt{s} = 13$ TeV
AABOUD 2019G
PR D99 012001 Search for long-lived particles in final states with displaced dimuon vertices in $pp$ collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector
AABOUD 2019AT
PR D99 092007 Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV
AABOUD 2019AM
PR D99 052003 Search for heavy long-lived multicharged particles in proton-proton collisions at $\sqrt{s}$ = 13 TeV using the ATLAS detector
AABOUD 2019AK
PRL 122 151801 Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a $Z$ Boson from $pp$ Collisions at $\sqrt{s} =$ 13 TeV
AABOUD 2019AO
PR D99 052005 Search for long-lived particles produced in $pp$ collisions at $\sqrt{s}=13$ TeV that decay into displaced hadronic jets in the ATLAS muon spectrometer
AABOUD 2019AE
EPJ C79 481 Search for long-lived neutral particles in $pp$ collisions at $\sqrt{s}$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter
SIRUNYAN 2019Q
JHEP 1902 179 Search for new particles decaying to a jet and an emerging jet
SIRUNYAN 2019BH
PR D99 032011 Search for long-lived particles decaying into displaced jets in proton-proton collisions at $\sqrt{s}=$ 13 TeV
SIRUNYAN 2019CA
PR D100 112003 Search for long-lived particles using delayed photons in proton-proton collisions at $\sqrt{s}=$ 13 TeV
SIRUNYAN 2019BT
PL B797 134876 Search for long-lived particles using nonprompt jets and missing transverse momentum with proton-proton collisions at $\sqrt{s} =$ 13 TeV
SIRUNYAN 2018AW
JHEP 1805 127 Search for decays of stopped exotic long-lived particles produced in proton-proton collisions at $\sqrt{s}=$ 13 TeV
AAIJ 2016AR
EPJ C76 664 Search for Higgs-Like Bosons Decaying into Long-Lived Exotic Particles
KHACHATRYAN 2016BW
PR D94 112004 Search for Long-Lived Charged Particles in Proton-Proton Collisions at $\sqrt {s }$ = 13 TeV
BADIER 1986
ZPHY C31 21 Mass and Lifetime Limits on New Longlived Particles in 300 ${\mathrm {GeV/}}\mathit c$ ${{\mathit \pi}^{-}}$ Interactions