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Flavor and LHC Searches for New Physics
High Energy Physics - Phenomenology · Submitted 25 Jan 2012
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In this short review article, we outline, using flavor-dependent sleptons as an example, how flavor can affect both searches for supersymmetry, and future measurements aimed at understanding the nature of any new discoveries.
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The abstract, sentence by sentence
Uncovering the physics of electroweak symmetry breaking (EWSB) is the raison-d'etre of the LHC. Flavor questions, it would seem, are of minor relevance for this quest, apart from their role in constraining the possible structure of EWSB physics. In this short review article, we outline, using flavor-dependent sleptons as an example, how flavor can affect both searches for supersymmetry, and future measurements aimed at understanding the nature of any new discoveries. If the production cross-sections for supersymmetry are relatively low, as indicated by the fact that it has not revealed itself yet in standard searches, the usual assumptions about the superpartner spectra need re-thinking. Furthermore, one must consider more intricate searches, such as lepton-based searches, which could be susceptible to flavor effects. We start by reviewing the flavor structure of existing frameworks for mediating supersymmetry breaking, emphasizing flavor-dependent models proposed recently. We use the kinematic endpoints of invariant mass distributions to demonstrate how flavor dependence can impact both searches for supersymmetry and the Inverse Problem. We also discuss methods for measuring small-mass splittings and mixings at the LHC, both in models with a neutralino LSP and in models with a charged slepton (N)LSP.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Uncovering the physics of electroweak symmetry breaking (EWSB) is the raison-d'etre of the LHC. | background 1.00 | 0.04 | 0.03 | asserted 1.00 |
| s1 | Flavor questions, it would seem, are of minor relevance for this quest, apart from their role in constraining the possible structure of EWSB physics. | background 0.97 | 0.05 | 0.07 | hedged possibility 0.55 |
| s2 | In this short review article, we outline, using flavor-dependent sleptons as an example, how flavor can affect both searches for supersymmetry, and future measurements aimed at understanding the nature of any new discoveries. | contribution 1.00 | 0.48 | 0.36 | asserted 0.93 |
| s3 | If the production cross-sections for supersymmetry are relatively low, as indicated by the fact that it has not revealed itself yet in standard searches, the usual assumptions about the superpartner spectra need re-thinking. | background 0.76 | 0.09 | 0.07 | hedged possibility 0.94 |
| s4 | Furthermore, one must consider more intricate searches, such as lepton-based searches, which could be susceptible to flavor effects. | background 0.35 | 0.07 | 0.07 | hedged possibility 0.99 |
| s5 | We start by reviewing the flavor structure of existing frameworks for mediating supersymmetry breaking, emphasizing flavor-dependent models proposed recently. | contribution 0.63 | 0.50 | 0.04 | asserted 0.85 |
| s6 | We use the kinematic endpoints of invariant mass distributions to demonstrate how flavor dependence can impact both searches for supersymmetry and the Inverse Problem. | method 0.76 | 0.81 | 0.21 | asserted 1.00 |
| s7 | We also discuss methods for measuring small-mass splittings and mixings at the LHC, both in models with a neutralino LSP and in models with a charged slepton (N)LSP. | contribution 0.79 | 0.40 | 0.08 | asserted 0.95 |
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The paper
Original abstract
Uncovering the physics of electroweak symmetry breaking (EWSB) is the raison-d'etre of the LHC. Flavor questions, it would seem, are of minor relevance for this quest, apart from their role in constraining the possible structure of EWSB physics. In this short review article, we outline, using flavor-dependent sleptons as an example, how flavor can affect both searches for supersymmetry, and future measurements aimed at understanding the nature of any new discoveries. If the production cross-sections for supersymmetry are relatively low, as indicated by the fact that it has not revealed itself yet in standard searches, the usual assumptions about the superpartner spectra need re-thinking. Furthermore, one must consider more intricate searches, such as lepton-based searches, which could be susceptible to flavor effects. We start by reviewing the flavor structure of existing frameworks for mediating supersymmetry breaking, emphasizing flavor-dependent models proposed recently. We use the kinematic endpoints of invariant mass distributions to demonstrate how flavor dependence can impact both searches for supersymmetry and the Inverse Problem. We also discuss methods for measuring small-mass splittings and mixings at the LHC, both in models with a neutralino LSP and in models with a charged slepton (N)LSP.
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References
How the literature uses it
1 arXiv paper cite this in 1 sentence
What it cites · 81 sentences without a confident label
Uses the method or tool of 16 papers
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The existence of $l̃_2$ can then be probed using the “Shifted Peak” method, proposed in [ref] , which utilizes the hard lepton $l_2$ emitted in association with $l̃_2$.
The Shifted Peak: Resolving Nearly Degenerate Particles at the LHC · Slepton NLSP models · 1.00
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A clean way of extracting the masses is to sequentially reconstruct each particle in a cascade decay by looking for the peak it generates [ref] .
Measuring Slepton Masses and Mixings at the LHC · Slepton NLSP models · 0.89
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The experimental constraints on flavor violation are usually derived by working in the interaction basis, in which the sfermion-fermion-gaugino coupling is a diagonal matrix in generation space, using the mass-insertion approximation [ref] , δ^MN_ij≡ΔM̃^2,MN_i≠j/ m̃^2 ≪1 .
A complete analysis of FCNC and CP constraints in general SUSY extensions of the standard model · The mediation of supersymmetry breaking in light of flavor-constraints · 0.83
Cites as support 2 papers
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That More Minimal Supersymmetry may be missed by traditional search techniques is clear (see for example the recent analyses of [ref] ) but the same could hold for more “bread-and-butter” models, especially if only a subset of the superpartners are light enough to be produced.
Effective Supersymmetry at the LHC · Introduction · 0.99
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That More Minimal Supersymmetry may be missed by traditional search techniques is clear (see for example the recent analyses of [ref] ) but the same could hold for more “bread-and-butter” models, especially if only a subset of the superpartners are light enough to be produced.
SUSY, the Third Generation and the LHC · Introduction · 0.99
Cites as background 15 papers
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Measurements of masses and mixings in such models were discussed in [ref] .
Measurement of the Superparticle Mass Spectrum in the Long-Lived Stau Scenario at the LHC · Slepton NLSP models · 0.93
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Measurements of masses and mixings in such models were discussed in [ref] .
The Standard Model and Supersymmetric Flavor Puzzles at the Large Hadron Collider · Slepton NLSP models · 0.93
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Measurements of masses and mixings in such models were discussed in [ref] .
A Clean Slepton Mixing Signal at the LHC · Slepton NLSP models · 0.93
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