Therese Dolan. Review of "Manet: Initial M, Hand and Eye" by James H. Rubin.

Dolan, Thérèse

doi:10.3202/caa.reviews.2012.131

Cited by 29 publications

(63 citation statements)

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“…We note that in the context of GUTs a special role is played by the Weinberg angle that we use as theoretical input to our scan (from which follows the Z mass through SM relations). 3 From the point of view of the infrared theory, in addition to the constrained SM masses, we need to reflect exclusion constraints from existing LHC searches that are relevant for the low energy spectrum of the model. As the most limiting searches, we include exotic quark searches [59], Z searches [60] as well as exotic charged lepton searches [61] to constrain the first non-SM KK states.…”

Section: A Consistent Parameter Regionsmentioning

confidence: 99%

“…the top quark Yukawa coupling can be modified compared to the SM [85]. Both these effects are relevant for di-Higgs production and we include them to a one-loop computation of gg → HH production [1,3,86]. We furthermore estimate the importance of the heavier states that arise in this scenario by means of the low energy effective theorem, but find that they do not significantly impact our result and their contribution is in the percent-range, below the expected theoretical uncertainty.…”

Section: Di-higgs Physicsmentioning

confidence: 99%

“…A final state that is typically highlighted as particularly relevant for the nature of the electroweak scale is multi-Higgs production [1][2][3], which is effectively limited to the analysis of Higgs pair production at both the LHC and future hadron colliders [4,5]. Generic effective field theory (EFT) deformations can impact the di-Higgs rate dramatically [6,7].…”

Section: Introductionmentioning

confidence: 99%

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Phenomenology of GUT-inspired gauge-Higgs unification

2020

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We perform a detailed investigation of a Grand Unified Theory (GUT)-inspired theory of gauge-Higgs unification. Scanning the model's parameter space with adapted numerical techniques, we contrast the scenario's low energy limit with existing SM and collider search constraints. We discuss potential modifications of di-Higgs phenomenology at hadron colliders as sensitive probes of the gauge-like character of the Higgs self-interactions and find that for phenomenologically viable parameter choices modifications of the order of 20% compared to the SM cross section can be expected. While these modifications are challenging to observe at the LHC, a future 100 TeV hadron collider might be able to constrain the scenario through more precise di-Higgs measurements. We point out alternative signatures that can be employed to constrain this model in the near future.1 A SU (6)-based scenario was discussed in [30], also demonstrating that proton decay can be avoided. 2 A different variant of evolutionary algorithms, namely genetic algorithms, have been employed in the exploration of viable string theory scenarios and the pMSSM in [33,34].

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Section: A Consistent Parameter Regionsmentioning

confidence: 99%

Section: Di-higgs Physicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Phenomenology of GUT-inspired gauge-Higgs unification

2020

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“…We therefore applied the narrow width approximation and multiplied the produced Higgs bosons with their branching ratios in various SM final states. The most promising final states for the investigation of Higgs pair production at the LHC are the (bb)(γγ) [146], the (bb)(τ τ ) [147][148][149] and (bb)(bb) [147,150,151] final states (for other final states see also [152][153][154]). In Fig.…”

Section: Experimental Accessibility and Exclusion Luminositymentioning

confidence: 99%

Showcasing HH production: Benchmarks for the LHC and HL-LHC

et al. 2019

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Current projections suggest that the LHC will have only limited sensitivity to di-Higgs production in the Standard Model (SM), possibly even after the completion of its high luminosity phase. Multi-Higgs final states play a fundamental role in many extensions of the SM as they are intrinsically sensitive to modifications of the Higgs sector. Therefore, any new observation in multi-Higgs final states could be linked to a range of beyond the SM (BSM) phenomena that are not sufficiently addressed by the SM. Extensions of the Higgs sector typically lead to new phenomenological signatures in multi-Higgs final states that are vastly different from the SM expectation. In this work, we provide a range of signature-driven benchmark points for resonant and non-resonant BSM di-Higgs production that motivate non-SM kinematic correlations and multi-fermion discovery channels. Relying on theoretically well-motivated assumptions, special attention is devoted to the particular case where the presence of new physics will dominantly manifest itself in multi-Higgs final states. * Electronic address: philipp.basler@kit.edu † Electronic address: dawson@bnl.gov ‡ Electronic address: christoph.englert@glasgow.ac.uk § Electronic address: milada.muehlleitner@kit.edu * A recent summary of higher-order corrections to Higgs pair production can be found in [17].

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“…If the Higgs self-coupling is the only modification to the Standard Model, various ways have been proposed at existing and future colliders to search for this interaction. These approaches can be classified into three categories: in processes without Higgs bosons in the final state, electroweak precision observables can set a limit to λ hhh [14][15][16]; higher-order corrections in single-Higgs production processes [17][18][19] constrain the Higgs self-coupling; and double-Higgs production processes will provide direct sensitivity on this coupling in upcoming LHC and possible future high-energy collider runs [20][21][22][23][24][25][26][27], while the latter are expected to provide the best sensitivity on λ hhh during the LHC's high-luminosity runs.…”

Section: Introductionmentioning

confidence: 99%

Revisiting the tt¯hh channel at the FCC-hh

2019

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The exploration of the scalar sector of the Standard Model is at the core of current and future science programs at collider experiments, with increasing focus on the self-interaction of the Higgs boson. This important parameter of the Higgs sector can be measured in various channels, among the production of a Higgs boson associated with a top-quark pair,tthh. In this paper we study this channel and its potential to measure or constrain the self-coupling and possible new physics contributions at a future 100 TeV proton-proton collider. Analysing this highly complex final state adds to the sensitivity for enhanced self-coupling interactions, and we argue that a measurement of this process is a necessity to constrain blind directions in the multi-dimensional parameter space of well-motivated new physics scenarios. * Electronic address: shankha.banerjee@durham.ac.uk † Electronic address: frank.krauss@durham.ac.uk ‡ Electronic address: michael.spannowsky@durham.ac.uk 1 A fully leptonic tt even though much cleaner, suffers from a reduction in the total rate. A fully hadronic scenario, on the other hand, arXiv:1904.07886v2 [hep-ph]

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Therese Dolan. Review of "Manet: Initial M, Hand and Eye" by James H. Rubin.

Cited by 29 publications

References 0 publications

Phenomenology of GUT-inspired gauge-Higgs unification

Phenomenology of GUT-inspired gauge-Higgs unification

Showcasing HH production: Benchmarks for the LHC and HL-LHC

Revisiting the tt¯hh channel at the FCC-hh

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