Higgs boson pair production in high energy photon-photon collisions

Jikia, G.

doi:10.1016/0550-3213(94)90494-4

Cited by 56 publications

(67 citation statements)

References 17 publications

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“…For m h = 125 GeV, the cross section of e + e − → γγ → hh in the SM is 0.63 fb, which changes little for m h varies from 123 GeV to 127 GeV. And we also numerically checked our results, which are agreement with [9]. In this work, we use the package NMSSMTools [25] to scan over the parameter space of the MSSM and NMSSM, and investigate the samples which predict a SM-like Higgs boson within 125 ± 2 GeV.…”

Section: Calculations and Numerical Resultssupporting

confidence: 77%

“…In the SM the Higgs pair production at a photon-photon collider (i.e.γγ → hh) proceeds through one-loop triangle and box diagrams induced by the heavy quarks and W ± bosons [9]. This process may also be a sensitive probe for new physics and has been studied in various new physics models, such as 2HDM [10,11], the vector-like quark model [12] and the supersymmetric (SUSY) models [13].…”

Section: Introductionmentioning

confidence: 99%

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Pair production of a 125 GeV Higgs boson in MSSM and NMSSM at the ILC

Cao

Heng

Shang

et al. 2013

J. High Energ. Phys.

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In this work we investigate the Higgs pair production in the MSSM and NMSSM at the photonphoton collision of the ILC. We consider various experimental constraints and scan over the parameter space of the MSSM and NMSSM. Then we calculate the cross section of Higgs pair production in the allowed parameter space and compare the results with the predictions in the SM. We find that the large enhancement of the cross section in the MSSM is mainly due to the contributions from the loops mediated by the stau, while in the NMSSM it is mainly due to the contributions from the top-squark loops. For light mτ 1 and large µ tan β, the production rate can be enhanced by a factor of 18 in the MSSM (relative to the SM prediction). And for a large trilinear soft breaking parameter A t and a moderately light top-squark, it can also be enhanced by a factor of 2 in the NMSSM. Moreover, we also calculate the χ 2 values with the LHC Higgs data and display the results for the parameter space with χ 2 better than the SM value.

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Section: Calculations and Numerical Resultssupporting

confidence: 77%

Section: Introductionmentioning

confidence: 99%

Pair production of a 125 GeV Higgs boson in MSSM and NMSSM at the ILC

Cao

Heng

Shang

et al. 2013

J. High Energ. Phys.

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“…The total cross-section for HH γγ → in polarized photon-photon collisions, calculated at the leading one-loop order [24] …”

Section: Higgs-pair Production In γγ Andmentioning

confidence: 99%

An SLC-Type e<sup>+</sup/> e<sup>&minus;</sup/>/γγ Facility at a Future Circular Collider

Belusević¹

2017

JMP

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It is proposed to place the arcs of an SLC-type facility inside the tunnel of a Future Circular Collider (FCC). Accelerated by a linear accelerator (linac), electron and positron beams would traverse the bending arcs in opposite directions and collide at centre-of-mass energies considerably exceeding those attainable at circular e e + − colliders. The proposed SLC-type facility would have the same luminosity as a conventional two-linac e e + − collider. Using an optical free-electron laser, the facility could be converted into a γγ collider. A superconducting L-band linac at the proposed facility may form a part of the injector chain for a 100-TeV proton collider in the FCC tunnel. The whole accelerator complex would serve as a source of e e + − , γγ , pp and ep interactions. The L-band linac could also be used to produce high-intensity neutrino, kaon and muon beams for fixed-target experiments, as well as X-ray free-electron laser (XFEL) photons for applications in material science and medicine.

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“…For example, at the LHC the hhh coupling may be measured by W fusion process W + * W − * → h * → hh [3], where the measured hhh coupling is a function of √ŝ the energy of the elementary process. At the ILC and its γγ option, the processes e + e − → Z * → Zh * → Zhh [4] and γγ → h * → hh [5] can be used. The energy dependence of the hhh coupling has been discussed in Ref.…”

Section: The Mass and The Triple Coupling Of The Lightest Higgs Bmentioning

confidence: 99%

“…In particular, to understand the essence of EWSB, we must know the self-coupling in addition to the Higgs boson mass. The triple Higgs boson coupling may be explored at the LHC and its upgraded version [3], the International Linear Collider (ILC) [4] and its γγ option [5] or the Compact Linear Collider (CLIC).…”

Section: Introductionmentioning

confidence: 99%

Non-decoupling effects in supersymmetric Higgs sectors

2011

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A wide class of Higgs sectors is investigated in supersymmetric standard models. When the lightest Higgs boson (h) looks the standard model one, the mass (m h ) and the triple Higgs boson coupling (the hhh coupling) are evaluated at the one-loop level in each model. While m h is at most 120-130 GeV in the minimal supersymmetric standard model (MSSM), that in models with an additional neutral singlet or triplet fields can be much larger. The hhh coupling can also be sensitive to the models: while in the MSSM the deviation from the standard model prediction is not significant, that can be 30-60 % in some models such as the MSSM with the additional singlet or with extra doublets and charged singlets. These models are motivated by specific physics problems like the µ-problem, the neutrino mass, the scalar dark matter and so on. Therefore, when h is found at the CERN Large Hadron Collider, we can classify supersymmetric models by measuring m h and the hhh coupling accurately at future collider experiments.

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Higgs boson pair production in high energy photon-photon collisions

Cited by 56 publications

References 17 publications

Pair production of a 125 GeV Higgs boson in MSSM and NMSSM at the ILC

Pair production of a 125 GeV Higgs boson in MSSM and NMSSM at the ILC

An SLC-Type e<sup>+</sup/> e<sup>&minus;</sup/>/γγ Facility at a Future Circular Collider

Non-decoupling effects in supersymmetric Higgs sectors

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Higgs boson pair production in high energy photon-photon collisions

Cited by 56 publications

References 17 publications

Pair production of a 125 GeV Higgs boson in MSSM and NMSSM at the ILC

Pair production of a 125 GeV Higgs boson in MSSM and NMSSM at the ILC

An SLC-Type e&lt;sup&gt;+&lt;/sup/&gt; e&lt;sup&gt;&amp;minus;&lt;/sup/&gt;/γγ Facility at a Future Circular Collider

Non-decoupling effects in supersymmetric Higgs sectors

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An SLC-Type e<sup>+</sup/> e<sup>−</sup/>/γγ Facility at a Future Circular Collider