Erratum to: “Searching for doubly charged Higgs bosons at the LHC in a 3-3-1 model” [Nucl. Phys. B 756 (1–2) (2006) 1–15]

Montalvo, J. E. Cieza; Borges, J. Sá; Cortez, Nelson V.; Tonasse, M. D.

doi:10.1016/j.nuclphysb.2008.01.003

Cited by 24 publications

(16 citation statements)

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“…We do not consider gluon fusion contributions which were shown to be negligible [28]. We perform the amplitude algebraic calculation with FORM [39], and the details are presented in the paper [21].…”

Section: Resultsmentioning

confidence: 99%

“…There is a similar study for bilepton pair production in e + e − [22] and a work of the production of just one double-charged vector bilepton [23]. The production of double-charged Higgs was studied in the left-right symmetric model [24] and in the 3-3-1 model with heavy leptons for e + e − colliders [25], photon-photon collisions [26], and hadron colliders [27,28]. Here we compare the production of a pair of gauge bileptons (Y ±± ) with that of a pair of scalar bilpetons (S ±± 1 ) to evaluate the ratio between the production cross sections.…”

Section: Introductionmentioning

confidence: 99%

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Vector- and scalar-bilepton pair production in hadron colliders

Barreto¹,

Coutinho²,

Borges³

2011

Phys. Rev. D

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We study the double-charged vector-bilepton pair production and double-charged scalar-bilepton pair production via+ X, where Y and S 1 are vector and scalar bileptons respectively, in the framework of the minimal version of the 3-3-1 model. We compute the photon, Z, and Z ′ s-channel contributions for the elementary process of bilepton scalar pair production, and to keep the correct unitarity behavior for the elementary qq interaction, we include the exotic quark t-channel contribution in the vector-bilepton pair production calculation. We explore a mass range for Z ′ and we fix the exotic quark mass within the experimental bounds. In this model, the vector-bilepton mass is directly related to M Z ′ and we consider scalar mass values around the vector-bilepton mass.We show that the total cross section for vector-bilepton production is 3 orders of magnitude larger than for scalar pair production for √ s = 7 TeV and 14 TeV and we obtain the number of events for the proposed LHC luminosities as a function of the bilepton mass. In addition we present some invariant mass and transverse momentum distributions. When comparing these distributions we observe quite different behavior providing the determination of the bilepton nature. We conclude that one can disentangle the production rates and that the LHC can be capable of detecting these predicted particles as a signal for new physics.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Vector- and scalar-bilepton pair production in hadron colliders

Barreto¹,

Coutinho²,

Borges³

2011

Phys. Rev. D

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“…where θ is the angle between the DCHB and the incident electron in the cm-frame, in this frame Λ µ γ is the vertex strength of the H ±± to γ and H ±± (Λ µ γ = Λ γ (p 1 − q 1 ) µ ) with q 1 and p 1 being the momentum four-vectors of the γ and H ±± , respectively. Λ eE is the vertex strength of the H ±± to e ± and E ± , Λ µν U γ is for U ±± to γ and H ±± (Λ µν U γ = Λ U γ g µν ), Λ U eE for U ±± to e ± and E ± and the others couplings are given in [13]. It is to note that in previous papers [13,14,16,17], was made an error in the calculation of the coupling H ±± → e ± P ± a , where the index a denotes the flavor, this error was now corrected (12a).…”

Section: Cross Section Productionmentioning

confidence: 99%

Doubly charged Higgs from e–γ scattering in the 3-3-1 Model

2012

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We studied the production and signatures of doubly charged Higgs bosons in the process γe − →a heavy lepton, at the e − e + International Linear Collider (ILC) and CERN Linear Collider (CLIC). The intermediate photons are given by the Weizsäcker-Williams and laser backscattering distributions. We found that significant signatures are obtained by bremsstrahlung and backward Comptom scattering of laser. A clear signal can be obtained for doubly charged Higgs bosons, doubly charged gauge bosons and heavy leptons. PACS numbers: 11.15.Ex: Spontaneous breaking of gauge symmetries, 12.60.Fr: Extensions of electroweak Higgs sector, 14.80.Cp: Non-standard-model Higgs bosons.

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“…We note that a doubly charged scalar appears as part of the spectrum in several extensions of the SM like the Left-Right symmetric models [50], Little Higgs [51], 3-3-1 17 [52] and the Higgs Triplet models [46].…”

Section: Discovery Potential and Conclusionmentioning

confidence: 99%

Pseudo Goldstone Bosons phenomenology in Minimal Walking Technicolor

et al. 2012

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We construct the non-linear realized Lagrangian for the Goldstone Bosons associated to the breaking pattern of SU(4) to SO(4). This pattern is expected to occur in any Technicolor extension of the standard model featuring two Dirac fermions transforming according to real representations of the underlying gauge group. We concentrate on the Minimal Walking Technicolor quantum number assignments with respect to the standard model symmetries. We demonstrate that for, any choice of the quantum numbers, consistent with gauge and Witten anomalies the spectrum of the pseudo Goldstone Bosons contains electrically doubly charged states which can be discovered at the Large Hadron Collider.

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Erratum to: “Searching for doubly charged Higgs bosons at the LHC in a 3-3-1 model” [Nucl. Phys. B 756 (1–2) (2006) 1–15]

Cited by 24 publications

References 0 publications

Vector- and scalar-bilepton pair production in hadron colliders

Vector- and scalar-bilepton pair production in hadron colliders

Doubly charged Higgs from e–γ scattering in the 3-3-1 Model

Pseudo Goldstone Bosons phenomenology in Minimal Walking Technicolor

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