Charged Higgs bosons in single top production at the LHC

Renato Guedes; Rui Santos; Stefano Moretti

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Charged Higgs bosons in single top production at the LHC

Renato Guedes, Stefano Moretti, Rui Santos

High Energy Physics - Phenomenology · Submitted 17 Jul 2012

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We show that a light charged Higgs boson signal via $\tau^\pm\nu$ decay can be established at the Large Hadron Collider (LHC) also in the case of single top production.

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What the abstract itself states, as probabilities: claims first 0.05 · states limitation 0.92 · human participants 0.01 · controlled comparison 0.06 · randomized assignment 0.01 · states quantitative result 0.09 · compares with prior results 0.81 · mentions code or data availability 0.02.

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arXiv listing abstract v2. Results and the main claim are underlined; show every role.

We show that a light charged Higgs boson signal via $\tau^\pm\nu$ decay can be established at the Large Hadron Collider (LHC) also in the case of single top production. This process complements searches for the same signal in the case of charged Higgs bosons emerging from $t \bar t$ production. The models accessible include the Minimal Supersymmetric Standard Model (MSSM) as well a variety of 2-Higgs Doublet Models (2HDMs). High energies and luminosities are however required, thereby restricting interest on this mode to the case of the LHC running at 14 TeV with design configuration.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We show that a light charged Higgs boson signal via $\tau^\pm\nu$ decay can be established at the Large Hadron Collider (LHC) also in the case of single top production.	result 0.74	0.88	0.91	asserted 1.00
s1	This process complements searches for the same signal in the case of charged Higgs bosons emerging from $t \bar t$ production.	interpretation 0.76	0.27	0.07	asserted 0.98
s2	The models accessible include the Minimal Supersymmetric Standard Model (MSSM) as well a variety of 2-Higgs Doublet Models (2HDMs).	method 0.80	0.14	0.03	asserted 0.86
s3	High energies and luminosities are however required, thereby restricting interest on this mode to the case of the LHC running at 14 TeV with design configuration.	limitation 1.00	0.36	0.05	asserted 0.98

What kind of paper the classifier reports this is: simulation study 0.55 · evidence from simulation or computation 0.89.

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arXiv listing abstract v2

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full text
figures and tables
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C citations
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper

Original abstract

We show that a light charged Higgs boson signal via $\tau^\pm\nu$ decay can be established at the Large Hadron Collider (LHC) also in the case of single top production. This process complements searches for the same signal in the case of charged Higgs bosons emerging from $t \bar t$ production. The models accessible include the Minimal Supersymmetric Standard Model (MSSM) as well a variety of 2-Higgs Doublet Models (2HDMs). High energies and luminosities are however required, thereby restricting interest on this mode to the case of the LHC running at 14 TeV with design configuration.

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8 arXiv papers cite this in 12 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 5 sentences without a confident label

Compares with it 2 papers

The final state is, however, different from that of [ref] , i.e., a fully hadronic final state is assumed.

Single Top Events as a Source of Light Charged Higgs in the Fully Hadronic Final State at LHC · Single Top Events as a Source of Charged Higgs Bosons · 0.82
In Sec. IV we will deep-learn light charged Higgs and contrast our results with those of the cut-based methods [ref] .

Deep-Learning in Search of Light Charged Higgs · Introduction · 0.96

Cites it as support 1 paper

It should be kept in mind that small variations in couplings (say, $tanβ= 3$, $sin(β-α) = 0.7$) does not have any significant effect on the allowed mass ranges [ref] .

Deep-Learning in Search of Light Charged Higgs · Short Review of 2HDM · 0.96

Cites it as background 4 papers

A detailed study of this decay in top pair and single top productions has been performed in Refs. [ref] .

Boosting the charged Higgs search prospects using jet substructure at the LHC · Introduction · 0.86
In the Type-X 2HDM [ref] [equation] where $ζ_u,l$ is the universal alignment parameters in the flavour space [ref] , and it is defined as $ζ_l=-tanβ$ and $ζ_u=β$. $tanβ$ is the ratio of the vacuum expectation values of the two Higgs doublets.

Deep-Learning in Search of Light Charged Higgs · Short Review of 2HDM · 0.89
The authors of [ref] analyzed the possibility of using the single top production mode to observe a light charged Higgs boson decaying into a $τν$ final state.

Light Charged Higgs Bosons to AW/HW via Top Decay · Current Limits · 0.94

What it cites · 6 sentences without a confident label

Uses the method or tool of 3 papers

After hadronisation, DELPHES [ref] , which is a framework for the fast simulation of a generic collider experiment, was used to simulate the detector effects.

Delphes, a framework for fast simulation of a generic collider experiment · $H^±$ Signal and SM backgrounds · 1.00
Finally, the QCD background was generated with CalcHEP [ref] and, as before, the CTEQ6ll PDFs were used.

CalcHEP 2.3: MSSM, structure functions, event generation, batchs, and generation of matrix elements for other packages · $H^±$ Signal and SM backgrounds · 1.00
The Perugia tune [ref] was used to handle the underlying events in POWHEG while the ATLAS MC09 tune [ref] was used for events generated with AlpGen and CalcHEP.

The Perugia Tunes · $H^±$ Signal and SM backgrounds · 1.00

Uses data or values from 1 paper

Presently, the LEP experiments have set a lower limit on the mass of a charged Higgs boson, of 79.3 GeV at 95% Confidence Level (CL), assuming that BR$(H^+ →τ^+ ν) + BR(H^+ →c s̅)=1$ holds for the possible charged Higgs boson Branching Ratios (BRs) [ref] .

Search for Charged Higgs bosons: Preliminary Combined Results Using LEP data Collected at Energies up to 209 GeV · Introduction · 0.98

Compares with 3 papers

The ATLAS prediction [ref] for the same energy and for the same collected luminosity and considering only the the leptonic decays of the $τ$ lepton is $7.1 < tanβ< 9.3$ for $m_H^± = 90$ GeV and is $3.2 < tanβ< 21.9$ for $m_H^± = 130$ GeV at 95% CL.

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics · Results and discussion · 0.94
The predicted exclusion bounds can be compared to similar plots presented by the ATLAS [ref] and CMS [ref] collaborations for the 7 TeV run and for the $t t̅$ mode.

Search for a light charged Higgs boson in top quark decays in pp collisions at sqrt(s) = 7 TeV · Results and discussion · 1.00
The predicted exclusion bounds can be compared to similar plots presented by the ATLAS [ref] and CMS [ref] collaborations for the 7 TeV run and for the $t t̅$ mode.

Search for charged Higgs bosons decaying via H+ -> tau nu in top quark pair events using pp collision data at sqrt(s) = 7 TeV with the ATLAS detector · Results and discussion · 1.00

Cites as background 2 papers

Recently, a number of these scenarios have been discussed in the literature [ref] , wherein the charged Higgs boson BR into leptons (including $τ$'s) is enhanced relative to the SM case (Type X), which provide DM candidates naturally and can finally accommodate neutrino oscillations as well as the strong first order phase transition required for successful baryogenesis while being in agreement with all experimental data.

Triviality and vacuum stability bounds in the three-loop neutrino mass model · Introduction · 0.82
The parameters $m_12^2$, $λ_5$ and the nature of the VEVs will determine the CP nature of the model (see [ref] for a review on the different 2HDMs).

Theory and phenomenology of two-Higgs-doublet models · Results and discussion · 1.00

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