Measuring masses of semi-invisibly decaying particles pair produced at hadron colliders

Abstract

We introduce a variable useful for measuring masses of particles pair produced at hadron colliders, where each particle decays to one particle that is directly observable and another particle whose existence can only be inferred from missing transverse momenta. This variable is closely related to the transverse mass variable commonly used for measuring the $W$ mass at hadron colliders, and like the transverse mass our variable extracts masses in a reasonably model independent way. Without considering either backgrounds or measurement errors we consider how our variable would perform measuring the mass of selectrons in a mSUGRA SUSY model at the LHC.

8 pages, 3 figures, LaTeX

References in corpus (1)

• Observation of the Top Quark

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• Probing Radiative Neutrino Mass Models with Dilepton Events at the LHC
• Measuring Invisible Particle Masses Using a Single Short Decay Chain
• Is the Machine Smarter than the Theorist: Deriving Formulas for Particle Kinematics with Symbolic Regression
• Constrained $\sqrt{{\hat{S}}_{min}}$ and reconstructing with semi-invisible production at hadron colliders
• Testing Invisible Momentum Ansatze in Missing Energy Events at the LHC
• A Simple Mass Reconstruction Technique for SUSY particles at the LHC
• Heavy Higgs as a Portal to the Supersymmetric Electroweak Sector
• Simplified Supersymmetry with Sneutrino LSP at 8 TeV LHC
• Collider signatures of goldstini in gauge mediation
• General analysis of signals with two leptons and missing energy at the Large Hadron Collider
• Natural Standard Model Alignment in the Two Higgs Doublet Model
• Is it possible to discover a dark matter particle with an accelerator?
• Search for direct pair production of scalar top quarks in the single- and dilepton channels in proton-proton collisions at sqrt(s) = 8 TeV
• Signal region combination with full and simplified likelihoods in MadAnalysis 5
• Constraints on $U(1{)}_{L_{\mu }-L_{\tau }}$ from LHC Data
• Tau Portal Dark Matter models at the LHC
• Mirage Models Confront the LHC: I. Kahler-Stabilized Heterotic String Theory
• Portraying Double Higgs at the Large Hadron Collider II
• Determining the Dark Matter Particle Mass through Antler Topology Processes at Lepton Colliders
• Invisible dark gauge boson search in top decays using a kinematic method
• Search for electroweak production of supersymmetric particles in final states with two $\tau$-leptons in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
• Leptonic mono-top from single stop production at LHC
• Search for bottom-squark pair production in $pp$ collision events at $\sqrt{s}=13$ TeV with hadronically decaying $\tau$-leptons, $b$-jets and missing transverse momentum using the ATLAS detector
• Status of searches for electroweak-scale supersymmetry after LHC Run 2
• Search for the pair production of light top squarks in the e${}^{\pm }{\mu }^{\mp }$ final state in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Determination of the Spin of New Resonances in Electroweak Gauge Boson Pair Production at the LHC
• A $\mu$-$\tau$-philic Higgs doublet confronted with the muon g-2, $\tau$ decays and LHC data
• Spin before mass at the LHC
• A Measurement of Neutralino Mass at the LHC in Light Gravitino Scenarios
• Search for non-resonant Higgs boson pair production in the $2b+2\ell +E_{\mathrm{T}}^{\mathrm{miss}}$ final state in $pp$ collisions $\sqrt{s}=13\mathrm{TeV}$ with the ATLAS detector
• $t\bar{t}b\bar{b}$ at the LHC: On the size of off-shell effects and prompt $b$-jet identification
• Prospects of non-resonant di-Higgs searches and Higgs boson self-coupling measurement at the HE-LHC using machine learning techniques
• Search for top squarks in events with a Higgs or $Z$ boson using 139 fb${}^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV with the ATLAS detector
• Unveiling desert region in inert doublet model assisted by Peccei-Quinn symmetry
• Dissecting Jets and Missing Energy Searches Using $n$-body Extended Simplified Models
• Supergravity Models with 50-100 TeV Scalars, SUSY Discovery at the LHC and Gravitino Decay Constraints
• Sqrt{shat}_{min} resurrected
• Top Quark Physics at the Tevatron
• Determination of Non-Universal Supergravity Models at the Large Hadron Collider
• Improving SUSY Spectrum Determinations at the LHC with Wedgebox Technique
• The b' search at the LHC
• Enhancing the discovery prospects for SUSY-like decays with a forgotten kinematic variable
• Less-simplified models of dark matter for direct detection and the LHC
• Singularity Variables for Missing Energy Event Kinematics
• Searching for pseudo Nambu-Goldstone boson dark matter production in association with top quarks
• Impact of Jet Veto Resummation on Slepton Searches
• Hunting physics beyond the standard model with unusual $W^{\pm }$ and $Z$ decays
• A new feasible dark matter region in the singlet scalar scotogenic model
• Re-weighing the evidence for a Higgs boson in dileptonic W-boson decays
• Seeking a coherent explanation of LHC excesses for compressed spectra
• Radiative type-I seesaw model with dark matter via U(1)_{B-L} gauge symmetry breaking at future linear colliders
• Lessons for SUSY from the LHC after the first run
• Fake Dark Matter at Colliders
• Precise probing and discrimination of third-generation scalar leptoquarks
• YAM2: Yet another library for the $M_2$ variables using sequential quadratic programming
• Twin Quark Dark Matter From Cogenesis
• Search for supersymmetry in events with one lepton and multiple jets exploiting the angular correlation between the lepton and the missing transverse momentum in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Opening the Higgs Portal to Lepton-Flavoured Dark Matter
• Auto-Concealment of Supersymmetry in Extra Dimensions
• Slepton pair production in the POWHEG BOX
• Sparticle masses from transverse mass kinks at the LHC: the case of Yukawa-unified SUSY GUTs
• A novel technique for measuring masses of a pair of semi-invisibly decaying particles
• Sleptons without Hadrons
• Transverse mass observables for charged Higgs searches at hadron colliders
• Multi-Dimensional Phase Space Methods for Mass Measurements and Decay Topology Determination
• Collider Phenomenology of $e^{-}{e}^{-}\to W^{-}{W}^{-}$
• Demystifying the compressed top squark region with kinematic variables
• Searching for GeV-scale Majorana Dark Matter: inter spem et metum
• Reconstructing the invisible with matrix elements
• Chargino reconstruction in supersymmetry with long-lived staus
• MT2-reconstructed invisible momenta as spin analizers, and an application to top polarization
• Search for direct production of winos and higgsinos in events with two same-charge leptons or three leptons in $pp$ collision data at $\sqrt{s}=13$ TeV with the ATLAS detector
• $\mathcal{C}\mathcal{P}$ structure of the top-quark Yukawa interaction: NLO QCD corrections and off-shell effects
• Search for the vectorlike leptons in the U(1)${}_X$ model inspired by the $B$-meson decay anomalies
• Recovering Particle Masses from Missing Energy Signatures with Displaced Tracks
• Current Status of the Muon g-2 Interpretations within Two-Higgs-Doublet Models
• Search for dark matter produced in association with a single top quark and an energetic $W$ boson in $\sqrt{s}=$ 13 TeV $pp$ collisions with the ATLAS detector
• Light higgsino scenario confronted with muon g-2
• Discriminating Electroweak-ino Parameter Ordering at the LHC and Its Impact on LFV Studies
• Measuring Masses in Semi-Invisible Final States at Electron-Positron Colliders
• Sensing Higgs cascade decays through memory
• Probing the Decoupled Seesaw Scalar in Rare Higgs Decay
• Discovery Potential of Selectron or Smuon as the Lightest Supersymmetric Particle at the LHC
• Search for Higgs boson production in oppositely charged dilepton and missing energy final states in 9.7 fb-1 of ppbar collisions at sqrts = 1.96 TeV
• Search for supersymmetry in final states with a single electron or muon using angular correlations and heavy-object identification in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Neutralino Reconstruction at the LHC from Decay-frame Kinematics
• Same-Sign Dilepton Signature in the Inert Doublet Model
• New Physics from the Top at the LHC
• A comment on "Amplification of endpoint structure for new particle mass measurement at the LHC"
• Polarization of top and chargino from stop decay in natural SUSY
• Whac-a-constraint with anomaly-free dark matter models
• Testing the gaugino AMSB model at the Tevatron via slepton pair production
• Measurement of physical parameters with a weight function method and its application to the Higgs boson mass reconstruction
• Kinematic Focus Point Method for Particle Mass Measurements in Missing Energy Events
• Closing in on compressed gluino-neutralino spectra at the LHC
• Extracting gluino endpoints with event topology patterns
• Search for Higgs boson production in trilepton and like-charge electron-muon final states with the D0 detector
• Dark matter, $Z^{\prime }$, vector-like quark at the LHC and $b\to s\mu \mu$ anomaly
• The impact of top-quark modelling on the exclusion limits in $\mathbf{t}\bar{\mathbf{t}}+\text{DM}$ searches at the LHC
• Resolving Combinatorial Ambiguities in Dilepton $t\bar{t}$ Event Topologies with Neural Networks
• Revealing the jet substructure in a compressed spectrum
• Reconstruction of Missing Resonances Combining Nearest Neighbors Regressors and Neural Network Classifiers
• Observation of same-sign WW production from double parton scattering in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Climbing to the Top of the ATLAS 13 TeV data
• A Complete Solution Classification and Unified Algorithmic Treatment for the One- and Two-Step Asymmetric S-Transverse Mass (MT2) Event Scale Statistic
• Energy spectra of massive two-body decay products and mass measurement
• Mitigation of the LHC Inverse Problem
• T-odd top partner pair production in the dilepton final states at the LHC in the littlest Higgs Model with T-parity
• Uncover Compressed Supersymmetry via Boosted Bosons from the Heavier Stop/Sbottom
• Finding Higgs bosons heavier than 2 m_W in dileptonic W-boson decays
• Tools for extracting new physics in events with missing transverse momentum
• Explaining the Fermi Galactic Centre Excess in the CMSSM
• Dreaming Awake: Disentangling the Underlying Physics in Case of a SUSY-like Discovery at the LHC
• Probing the Inert Doublet Model via Vector-Boson Fusion at a Muon Collider
• Exploring Supersymmetric Model with Very Light Gravitino at the LHC
• Kinematic Discrimination of tW and tt Productions Using Initial State Radiation
• Interpreting a CMS $lljj{p}_T^{\mathrm{miss}}$ Excess With the Golden Cascade of the MSSM
• Searching for supersymmetry scalelessly
• Exploring the nearly degenerate stop region with sbottom decays
• Tagging new physics with charm
• A search for an unexpected asymmetry in the production of $e^{+}{\mu }^{-}$ and $e^{-}{\mu }^{+}$ pairs in proton-proton collisions recorded by the ATLAS detector at $\sqrt{s}=13$ TeV
• Searching for weak singlet charged scalar at lepton colliders
• LHC constraints and potential on resonant monotop production
• Mass Measurement in Boosted Decay Chains with Missing Energy
• Determination of supersymmetric masses using kinematic fits at the LHC
• Sbottom discovery via mixed decays at the LHC
• Tests of gluino-driven radiative breaking of the electroweak symmetry at the LHC
• Jet Substructure Probe on Scalar Leptoquark Models via Top Polarization
• Constraints on Mediator Coupled to Heavy Quarks from LHC Data
• Search for Higgs boson production in oppositely charged dilepton and missing energy events in $p\bar{p}$ collisions at $\sqrt{s}=$1.96 TeV}
• Spin and Chirality Effects in Antler-Topology Processes at High Energy $e^{+}{e}^{-}$ Colliders
• Constraining slepton and chargino through compressed top squark search
• Measurements of neutral vector resonance in Higgsless models at the LHC
• Probing Exotic Triple Higgs Couplings at the LHC
• A singular way to search for heavy resonances in missing energy events
• Constraining sleptons at the LHC in a supersymmetric low-scale seesaw scenario
• Top Quark Physics at the Tevatron
• Low-scale Gauge Mediation after LHC Run 2
• Using rates to measure mixed modulus-anomaly mediated supersymmetry breaking at the LHC
• Sharpening $m_{T2}$ cusps: the mass determination of semi-invisibly decaying particles from a resonance
• Identifying the production process of new physics at colliders; symmetric or asymmetric?
• Search for top squark pair production in a final state with at least one hadronically decaying tau lepton in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Searches for direct slepton production in the compressed-mass corridor in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
• Search for top squark pair production in a final state with two tau leptons in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Search for Heavy Stops with Merged Top-Jets
• Heavy Higgs decay to $t\bar{t}Z$ and constraints on a $750$ GeV pseudoscalar
• Stop searches in flavourful supersymmetry
• Enhanced Higgs Mass in Compact Supersymmetry
• Making The Most Of MET: Mass Reconstruction From Collimated Decays
• Dissecting new physics models through kinematic edges
• A Fat Gluino in Disguise
• Lepton Flavor Violation: From Muon Decays to Muon Colliders
• Momentum asymmetries as CP violating observables
• The Influence of Lepton Portal on the WIMP-pFIMP framework
• Semi-visible jets + X: Illuminating Dark Showers with Radiation
• Machine Learning Techniques for Intermediate Mass Gap Lepton Partner Searches at the Large Hadron Collider
• Measurement of WWZ and ZH production cross sections at $\sqrt{s}$ = 13 and 13.6 TeV
• Boosting Beyond: A Novel Approach to Probing Top-Philic Resonances at the LHC
• Measuring the mass, width, and couplings of semi-invisible resonances with the Matrix Element Method
• Mass Measurement Using Energy Spectra in Three-body Decays
• Top-quark mass determination from t-channel single top production at the LHC
• Constraining new resonant physics with top spin polarisation information
• Stochastic mass-reconstruction: a new technique to reconstruct resonance masses of heavy particles decaying into tau lepton pairs
• Gauge-mediated supersymmetry breaking with generalized messenger sector at LHC
• Determining the squark mass at the LHC
• Polarization and Resummation in Slepton Production at Hadron Colliders
• Searches for Supersymmetry with the ATLAS Detector
• Measurements of $W^{+}{W}^{-}$ production in decay topologies inspired by searches for electroweak supersymmetry
• Hunting for neutral, long-lived exotica at the LHC using a missing transverse energy signature
• Supersymmetry with a Heavy Lightest Supersymmetric Particle
• The Lightest Massive Invisible Particles at the LHC
• $M_{TN}$ is all you need: production of multiple semi-invisible resonances at hadron colliders
• Measurements of Higgs boson production via gluon-gluon fusion and vector-boson fusion using $H\to W{W}^{\ast }\to \ell \nu \ell \nu$ decays in $pp$ collisions with the ATLAS detector and their effective field theory interpretations
• Testing LHT at the LHC Run-II
• Improving smuon searches with Neural Networks
• Prospects for exotic $h\to 4\tau$ decays in single and di-Higgs boson production at the LHC and future hadron colliders
• $\ge 4\mu$ signal from a vector-like lepton decaying to a muon-philic $Z^{\prime }$ boson at the LHC
• Probing top quark anomalous moments in $W$ boson associated single top quark production at the LHC using polarization and spin correlation
• Status of CMS dark matter searches in 2011
• A search for top-squark pair production, in final states containing a top quark, a charm quark and missing transverse momentum, using the 139 fb${}^{-1}$ of $pp$ collision data collected by the ATLAS detector
• Searches for strong production of supersymmetry at ATLAS and CMS
• $W^{\prime }$ Pair Production in the Light of CMS Searches
• Deciphering the MSSM Higgs Mass at Future Hadron Colliders
• Searching for top-philic heavy resonances in boosted four-top final states
• Machine Learning Optimized Search for the $Z^{\prime }$ from $U(1{)}_{L_{\mu }-L_{\tau }}$ at the LHC
• Applying Machine Learning Techniques To Intermediate-Length Cascade Decays
• DeeLeMa: Missing information search with Deep Learning for Mass estimation
• HL-LHC sensitivity to higgsinos from natural SUSY with gravitino LSP
• Energy peaks: a high energy physics outlook
• Higgs, supersymmetry and dark matter after Run I of the LHC
• Search for dark matter produced in association with one or two top quarks in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Probing effective operators in single top quark production in association with a lepton-neutrino pair
• Top-Quark Mass Measurement in the Dilepton Channel Using {\it in situ} Jet Energy Scale Calibration
• Leveraging intermediate resonances to probe CP violation at colliders
• Measuring Electroweak Quantum Numbers of Color Sextet Resonances at the LHC
• Deciphering compressed electroweakino excesses with MadAnalysis 5
• Optimal Mass Variables for Semivisible Jets
• Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions
• Machine Learning Electroweakino Production
• Higgs and $Z$ Assisted Stop Searches at Hadron Colliders
• Search for squarks and gluinos in $pp$ collisions at $\sqrt{s}=13$ TeV and $13.6$ TeV in events with $\tau$-leptons, jets and missing transverse momentum using the ATLAS detector
• Could $M_{T2}$ be a singularity variable?
• Measuring the Top Quark Mass using Kinematic Endpoints
• Probing the Goldstone equivalence theorem in Heavy Weak Doublet Decays
• Threshold Effects in Slepton-Pair Production at the LHC
• Multi-Lepton Probes of the Drell-Yan Production of Triplet Higgses
• Complete NLO corrections to off-shell $\mathbf{t}\bar{\mathbf{t}}$ production in the $\mathbf{\ell }+\mathbf{j}$ decay channel