Results 11 to 20 of about 4,931 (133)
An analysis of a minimal vectorlike extension of the Standard Model [PDF]
Advances in High Energy Physics, Volume 2017, Issue 1, 2017., 2017 We analyze an extension of the Standard Model with an additional SU(2) hypercolor gauge group keeping the Higgs boson as a fundamental field. Vectorlike interactions of new hyperquarks with the intermediate vector bosons are explicitly constructed.
Beylin, V. +3 more
core +4 more sources
Partially composite Higgs models: phenomenology and RG analysis
Journal of High Energy Physics, 2018 We study the phenomenology of partially composite-Higgs models where electroweak symmetry breaking is dynamically induced, and the Higgs is a mixture of a composite and an elementary state.
Tommi Alanne +5 more
doaj +3 more sources
What is it like to be colour‐blind? A case study in experimental philosophy of experience
Mind &Language, Volume 37, Issue 5, Page 814-839, November 2022., 2022 What is the experience of someone who is “colour‐blind” like? This paper presents the results of a study that uses qualitative research methods to better understand the lived experience of colour blindness. Participants were asked to describe their experiences of a variety of coloured stimuli, both with and without EnChroma glasses—glasses which, the ...
Keith Allen +3 more
wiley +1 more source
High‐dimensional principal component analysis with heterogeneous missingness
Journal of the Royal Statistical Society: Series B (Statistical Methodology), Volume 84, Issue 5, Page 2000-2031, November 2022., 2022 Abstract We study the problem of high‐dimensional Principal Component Analysis (PCA) with missing observations. In a simple, homogeneous observation model, we show that an existing observed‐proportion weighted (OPW) estimator of the leading principal components can (nearly) attain the minimax optimal rate of convergence, which exhibits an interesting ...
Ziwei Zhu +2 more
wiley +1 more source
Absence in technicolour: protesting enforced disappearances in northern Sri Lanka
Journal of the Royal Anthropological Institute, Volume 28, Issue S1, Page 118-134, April 2022., 2022 Abstract This essay examines the political uses of photography in the protests of the Tamil families of the disappeared in northern Sri Lanka. Enforced disappearances have long featured as an instrument of state terror. Their lingering effects have been noted as a significant challenge to transitional justice processes in the aftermath of the island's ...
Vindhya Buthpitiya
wiley +1 more source
String (Gravi)photons, “Dark Brane Photons”, Holography and the Hypercharge Portal
Fortschritte der Physik, Volume 69, Issue 6, June 2021., 2021 Abstract The mixing of graviphotons and dark brane photons to the Standard Model hypercharge is analyzed in full generality, in weakly‐coupled string theory. Both the direct mixing as well as effective terms that provide mixing after inclusion of SM corrections are estimated to lowest order.
P. Anastasopoulos +3 more
wiley +1 more source
Phenomenology of flavorful composite vector bosons in light of B anomalies
Journal of High Energy Physics, 2017 We analyze the flavor structure of composite vector bosons arising in a model of vectorlike technicolor — often called hypercolor (HC) — with eight flavors that form a one-family content of HC fermions.
Shinya Matsuzaki +2 more
doaj +1 more source
A more natural composite Higgs model
Journal of High Energy Physics, 2020 Composite Higgs models provide an attractive solution to the hierarchy problem. However, many realistic models suffer from tuning problems in the Higgs potential. There are often large contributions from the UV dynamics of the composite resonances to the
Hsin-Chia Cheng, Yi Chung
doaj +1 more source
The present and future of four top operators
Journal of High Energy Physics, 2021 We study the phenomenology of a strongly-interacting top quark at future hadron and lepton colliders, showing that the characteristic four-top contact operators give rise to the most significant effects.
Giovanni Banelli +4 more
doaj +1 more source
Composite Scalars at LEP: Constraining Technicolor Theories [PDF]
, 2001 LEPI and LEPII data can be used to constrain technicolor models with light, neutral pseudo-Nambu-Goldstone bosons, Pa. We use published limits on branching ratios and cross sections for final states with photons, large missing energy, jet pairs, and b ...
A. Manohar +40 more
core +2 more sources