Higgs boson production at the LHC

Spira, M.; Djouadi, Abdelhak; Graudenz, Dirk; Zerwas, R.M.

doi:10.1016/0550-3213(95)00379-7

Cited by 1,183 publications

(1,601 citation statements)

References 143 publications

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“…They are known both for infinite [24] and finite [25,26] loop quark masses and, at the √ s = 7 TeV LHC, lead to a K-factor K NLO ∼ 1.8 in the low Higgs mass range, if the central scale of the cross section is chosen to be M H . It has been shown in Ref.…”

Section: The Sm Higgs Production Cross Sectionsmentioning

confidence: 99%

“…It has been shown in Ref. [26] that working in an effective field theory (EFT) approach in which the top quark mass is assumed to be infinite is a very good approximation for M H < ∼ 2m t , provided that the leading order cross section contains the full m t and m b dependence. The challenging calculation of the next-to-next-to-leading-order (NNLO) contribution has been done [27] only in the EFT approach with M H ≪ 2m t and, at √ s = 7 TeV, it leads to a ≈ 25% increase of the cross section, K NNLO ∼ 2.5.…”

Section: The Sm Higgs Production Cross Sectionsmentioning

confidence: 99%

“…The QCD corrections are known only to NLO for which the exact calculation with finite loop quark masses is available [26]. Contrary to the SM case, they increase only moderately the production cross sections.…”

Section: The Production Cross Sections At the Lhcmentioning

confidence: 99%

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Higgs physics: Theory

Djouadi

2012

Pramana - J Phys

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Abstract. I review the theoretical aspects of the physics of Higgs bosons, focusing on the elements that are relevant for the production and detection at present hadron colliders. After briefly summarizing the basics of electroweak symmetry breaking in the Standard Model, I discuss Higgs production at the LHC and at the Tevatron, with some focus on the main production mechanism, the gluon-gluon fusion process, and summarize the main Higgs decay modes and the experimental detection channels. I then briefly survey the case of the minimal supersymmetric extension of the Standard Model. In a last section, I review the prospects for determining the fundamental properties of the Higgs particles once they have been experimentally observed.

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Section: The Sm Higgs Production Cross Sectionsmentioning

confidence: 99%

Section: The Sm Higgs Production Cross Sectionsmentioning

confidence: 99%

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Higgs physics: Theory

Djouadi

2012

Pramana - J Phys

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“…Secondly, the factor C 0 of eq. (29), up to radiative corrections that are not included, describes the gluon fusion process g + g → H (30) and has been used to estimate Higgs production. Note that strong corrections inside the top triangle are presumably small, unlike the corrections to J.…”

Section: Formulation Of a Phenomenological Model -Stepmentioning

confidence: 99%

Higgs production at the large hadron collider: Phenomenological model and theoretical predictions

Gastmans

2011

Nuclear Physics B

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Using the results from relativistic gauge field theory, a phenomenological model is developed for the production of an isolated Higgs particle H. The specific process is p+p → A+H +B, where the group of particles A (B) mostly goes down one (the other) beam pipe. The theory and the phenomenology apply when the center-of-mass energy √ s ≫ M ≫ m, with M and m the masses of the Higgs particle and the proton respectively. Thus, there are two large parameters, namely √ s/M and M/m. That M ≫ m plays a central role. This phenomenological model is applied to the Large Hadron Collider (LHC) to predict the differential production cross sections. With high probability, this isolated Higgs particle is produced with a small transverse momentum of the order of 1 GeV/c. Because of this fact and the relatively small number of observed particles in such events, the method of data analysis is different from those developed so far for Higgs detection. These events can be described as due to Pomeron-Pomeron annihilation, and are 'clean' in the sense that those from TeV linear colliders are called 'clean'. The LHC, with its center-of-mass design energy of 14 TeV and its design luminosity of 10 34 cm −2 s −1 , can function exceptionally well as a Pomeron collider.

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“…As a result, different production mechanisms will lead to different sensitivities of the Higgspair production rates on the value of λ HHH (notice that λ HHH contributes, through loop radiative corrections, also to vector-boson propagators and vertices [3], giving however effects that are too tiny to be detected even in precision observables). The leading production channels of Higgs boson pairs at hadron colliders [4]- [6] (see also [7]- [8]) are basically the same used for single-Higgs boson searches, namely:…”

Section: Higgs-pair Production At the Lhcmentioning

confidence: 99%

Higgs boson self-couplings at the LHC as a probe of extended Higgs sectors

Moretti

Piccinini

et al. 2005

J. High Energy Phys.

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A study of two-Higgs-doublet models (2HDM) in the decoupling limit reveals the existence of parameter configurations with a large triple-Higgs self-coupling as the only low-energy trace of the departure from a Standard Model (SM) Higgs sector. This observation encourages attempts to search for double Higgs production at the Large Hadron Collider (LHC) even in mass regions which have been shown to be very hard to probe in the context of SM-like Higgs self-couplings. In this document we consider the case of an Intermediate Mass Higgs (IMH) boson, with 120 GeV < ∼ M H < ∼ 140 GeV, produced in pairs via vector-vector fusion, Higgs-strahlung and associate production with heavy-quarks and decaying into bb pairs. After a detailed signal-to-background analysis, we confirm that the observation of a Higgs-pair signal is very challenging in the framework of the SM, even at the LHC with upgraded luminosity. In contrast, we verify that the sensitivity is sufficient to detect departures from the SM which would escape detection in the measurements of the single-Higgs production channels.

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Higgs boson production at the LHC

Cited by 1,183 publications

References 143 publications

Higgs physics: Theory

Higgs physics: Theory

Higgs production at the large hadron collider: Phenomenological model and theoretical predictions

Higgs boson self-couplings at the LHC as a probe of extended Higgs sectors

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