Luminosities for vector-boson-vector-boson scattering at high energy colliders

Kuss, I.; Spiesberger, H.

doi:10.1103/physrevd.53.6078

Cited by 32 publications

(75 citation statements)

References 40 publications

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“…In this picture, most of the energy is transferred to the two back-to-back jets while the rest of the energy goes into the scattering of the two W bosons in the central region. The invariant masses of the radiated W bosons are space-like but of the order of the W-boson mass to enhance the cross section [13,35,36]. While the EVBA constitutes a crude approximation valid only in the very-high-energy limit [36,37], it is sufficient to discuss the origin of the enhanced EW corrections.…”

Section: Origin Of Large Electroweak Correctionsmentioning

confidence: 99%

Large Electroweak Corrections to Vector-Boson Scattering at the Large Hadron Collider

2017

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For the first time full next-to-leading-order electroweak corrections to off-shell vector-boson scattering are presented. The computation features the complete matrix elements, including all nonresonant and off-shell contributions, to the electroweak process pp → µ + νµe + νejj and is fully differential. We find surprisingly large corrections, reaching −16% for the fiducial cross section, as an intrinsic feature of vector-boson-scattering processes. We elucidate the origin of these large electroweak corrections upon using the double-pole approximation and the effective vector-boson approximation along with leading-logarithmic corrections.

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Section: Origin Of Large Electroweak Correctionsmentioning

confidence: 99%

Large Electroweak Corrections to Vector-Boson Scattering at the Large Hadron Collider

2017

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“…The factors 1/s in (15) have been introduced to render the matrix elements dimensionless. The s-channel box diagrams (i.e.…”

Section: Inventory Of O(α) Correctionsmentioning

confidence: 99%

Radiative corrections toZZ→ZZin the electroweak standard model

1997

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Abstract:The cross-section for ZZ → ZZ with arbitrarily polarized Z bosons is calculated within the electroweak Standard Model including the complete O(α) corrections. We show the numerical importance of the radiative corrections and elaborate its characteristic features. The treatment of the Higgs-boson resonance is discussed in different schemes including the S-matrix-motivated pole scheme and the background-field method. The numerical accuracy of the equivalence theorem is investigated by comparing the cross-sections for purely longitudinal Z bosons obtained from the equivalence theorem and from the complete calculation. In this context the full O(α) corrections are also confronted with the enhanced corrections of O (αM

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“…Improved EVBA [11], going beyond the leading approximation, still overestimates the cross section [12]. Further improvements in EVBA have been attempted [13].…”

Section: Pos(stringslhc)029mentioning

confidence: 99%

W_L W_L Scattering

Rindani¹

2008

Proceedings of From Strings to LHC — PoS(stringsLHC)

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The scattering amplitude of massive gauge bosons can be large at energies below the scale of the Higgs mass in theories where the gauge bosons get their mass by the Higgs mechanism. This would lead to a strongly interacting gauge sector. In general, the scattering of longitudinally polarized massive gauge bosons can give information on the mechanism of spontaneous symmetry breaking. At energies below the symmetry breaking scale, the equivalence theorem relates the scattering amplitudes to those of the "would-be" Goldstone modes. In the absence of Higgs bosons, unitarity would be restored by some new physics which can be studied through WW scattering. An example of Higgsless models is discussed. Isolating WW scattering at a hadron collider from other contributions involving W emission from parton lines needs a good understanding of the backgrounds. It has been found that for no kinematic cuts does the WW scattering contribution give a dominant contribution. The equivalent vector-boson approximation also has been found to overestimate the cross section and the WW invariant mass distribution. A study of the full WW production process in the region of high invariant WW mass can nevertheless serve to distinguish models with light and heavy Higgs bosons. From Strings to LHC

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Luminosities for vector-boson-vector-boson scattering at high energy colliders

Cited by 32 publications

References 40 publications

Large Electroweak Corrections to Vector-Boson Scattering at the Large Hadron Collider

Large Electroweak Corrections to Vector-Boson Scattering at the Large Hadron Collider

Radiative corrections toZZ→ZZin the electroweak standard model

W_L W_L Scattering

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