Searching for new phenomena with profile likelihood ratio tests

S Algeri, J Aalbers, KD Morå, J Conrad - Nature reviews physics, 2020 - nature.com
Likelihood ratio tests are standard statistical tools used in particle physics to perform tests of
hypotheses. The null distribution of the likelihood ratio test statistic is often assumed to be χ …

Model independent bounds on heavy sterile neutrinos from the angular distribution of B→ D* ℓν decays

FU Bernlochner, M Fedele, T Kretz, U Nierste… - Journal of High Energy …, 2025 - Springer
A bstract In this paper we study the bounds that can be inferred on New Physics couplings to
heavy sterile neutrinos N from the recent measurements performed by the Belle …

Searching for new physics with profile likelihoods: Wilks and beyond

S Algeri, J Aalbers, KD Morå, J Conrad - arxiv preprint arxiv:1911.10237, 2019 - arxiv.org
Particle physics experiments use likelihood ratio tests extensively to compare hypotheses
and to construct confidence intervals. Often, the null distribution of the likelihood ratio test …

Towards a deeper understanding of performance variance in the context of business groups: A multilevel analysis at the business unit level

SD Gadepalli, A Mondal, S Lahiri, S Ray - Long Range Planning, 2025 - Elsevier
In this study, we employ a multilevel analysis to investigate the relative importance of
industry, business group, corporation, and business unit effects on the performance of …

Fault diagnosis based on incomplete sensor variables with a hierarchical semi-supervised Gaussian mixture classifier

X Liu, CKM Lee, H Zhang, P Chen, J Huang… - Applied Mathematical …, 2025 - Elsevier
We propose a hierarchical semi-supervised variational semi-Bayesian Gaussian mixture
classifier based on the partially incomplete and unlabeled samples for the fault diagnosis of …

Penalized estimation for non-identifiable models

J Yoshida, N Yoshida - Annals of the Institute of Statistical Mathematics, 2024 - Springer
We derive asymptotic properties of penalized estimators for singular models for which
identifiability may break and the true parameter values can lie on the boundary of the …

Improved inference for a boundary parameter

S Elkantassi, R Bellio, AR Brazzale… - Canadian Journal of …, 2023 - Wiley Online Library
The limiting distributions of statistics used to test hypotheses about parameters on the
boundary of their domains may provide very poor approximations to the finite‐sample …

Non-standard boundary behaviour in binary mixture models

H Battey, P McCullagh, D **ang - arxiv preprint arxiv:2407.20162, 2024 - arxiv.org
Consider a binary mixture model of the form $ F_\theta=(1-\theta) F_0+\theta F_1 $, where $
F_0 $ is standard Gaussian and $ F_1 $ is a completely specified heavy-tailed distribution …

[PDF][PDF] Discussion of" A note on universal inference" by Timmy Tse and Anthony Davison

M Drton, H Shi, D Strieder - arxiv preprint arxiv:2303.17689, 2023 - arxiv.org
arxiv:2303.17689v1 [math.ST] 30 Mar 2023 Page 1 Discussion of “A note on universal inference”
by Timmy Tse and Anthony Davison Mathias Drton, Hongjian Shi, David Strieder December …

An online approach to estimate parameters of phase-type distributions

P Buchholz, I Dohndorf, J Kriege - 2019 49th Annual IEEE/IFIP …, 2019 - ieeexplore.ieee.org
The traditional expectation-maximization (EM) algorithm is a general purpose algorithm for
maximum likelihood estimation in problems with incomplete data. Several variants of the …