The 
                $\gamma \gamma \to A^0 A^0 $
               process at a 
                $\gamma \gamma $
               collider

Gounaris, G. J.; Porfyriadis, P. I.

doi:10.1007/s100520000520

Cited by 6 publications

(1 citation statement)

References 18 publications

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“…The process γγ → h 0 h 0 was studied in [16] while reactions γγ → h 0 H 0 , h 0 A 0 , H 0 H 0 , H 0 A 0 were determined in [17]. Process γγ → A 0 A 0 was calculated for the MSSM [18,19] and shown to have a cross section of the order of 0.1 − 0.2 f b for a vast range of the photon-photon center of mass energy.…”

Section: Introductionmentioning

confidence: 99%

Neutral Higgs boson pair production in photon-photon annihilation in the two Higgs doublet model

et al. 2009

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We study double Higgs production in photon-photon collisions as a probe of the new dynamics of Higgs interactions in the framework of two Higgs Doublet Models. We analyze neutral Higgs bosons production and decay in the fusion processes, γγ → S i S j , S i = h 0 , H 0 , A 0 , and show that both h 0 h 0 and A 0 A 0 production can be enhanced by threshold effects in the region E γγ ≈ 2m H± .Resonant effects due to the heavy Higgs, H 0 , can also play a role in the cross section enhancement when it is allowed to decay to two light CP-even h 0 or to two light CP-odd A 0 scalars. We have scanned the allowed parameter space of the Two Higgs Doublet Model and found a vast region of the parameter space where the cross section is two orders of magnitude above the Standard Model cross section. We further show that the Standard Model experimental analysis can be used to discover or to constraint the two Higgs doublet model parameter space.

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Section: Introductionmentioning

confidence: 99%

Neutral Higgs boson pair production in photon-photon annihilation in the two Higgs doublet model

et al. 2009

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Testing Supersymmetry at the LHC through gluon-fusion production of a slepton pair

Borzumati

Hagiwara

2011

J. High Energ. Phys.

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Renormalizable quartic couplings among new particles are typical of supersymmetric models. Their detection could provide a test for supersymmetry, discriminating it from other extensions of the Standard Model. Quartic couplings among squarks and sleptons, together with the SU(3) gauge couplings for squarks, allow a new realization of the gluon-fusion mechanism for pair-production of sleptons at the one-loop level. The corresponding production cross section, however, is at most of O(1) fb for slepton and squark masses of O(100) GeV. We then extend our investigation to the gluon-fusion production of sleptons through the exchange of Higgs bosons. The cross section is even smaller, of O(0.1) fb, if the exchanged Higgs boson is considerably below the slepton-pair threshold, but it is enhanced when it is resonant. It can reach O(10) fb for the production of sleptons of same-chirality, exceeding these values for τ 's of opposite-chirality, even when chirality-mixing terms in the squark sector are vanishing. The cross section can be further enhanced if these mixing terms are nonnegligible, providing a potentially interesting probe of the Higgs sector, in particular of parameters such as A, µ, and tan β.

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Pair production of neutral Higgs bosons from the left-right twin Higgs model via γγ collisions

Ma¹,

Yue²,

Zhang³

2011

Chinese Phys. C

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The left-right twin Higgs (LRTH) model predicts the existence of the neutral Higgs bosons (h, φ0), which can be produced in pairs (φ0φ0, hh, φ0h) via γγ collisions at the next generation e+e− International Linear Collider (ILC). Our numerical results show that the production cross section of the neutral Higgs boson pair φ0φ0 can reach 8.8 fb. The subprocess γγ → φ0φ0 might be used to test the LRTH model in future ILC experiments.

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The $\gamma \gamma \to A^0 A^0 $ process at a $\gamma \gamma $ collider

Cited by 6 publications

References 18 publications

Neutral Higgs boson pair production in photon-photon annihilation in the two Higgs doublet model

Neutral Higgs boson pair production in photon-photon annihilation in the two Higgs doublet model

Testing Supersymmetry at the LHC through gluon-fusion production of a slepton pair

Pair production of neutral Higgs bosons from the left-right twin Higgs model via γγ collisions

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