Results 41 to 50 of about 515,082 (194)

Mechanisms for Producing Primordial Black Holes from Inflationary Models beyond Fine-Tuning

Universe
In this study, we present an analysis of the fine-tuning required in various inflationary models in order to explain the production of Primordial Black Holes (PBHs).
Ioanna Stamou
doaj   +1 more source

Neutrino Masses from Fine Tuning

, 2010
We present a new approach for generating tiny neutrino masses. The Dirac neutrino mass matrix gets contributions from two new Higgs doublets with their vevs at the electroweak (EW) scale.
Abazov, Achard, Ahmad, Ahmed, Amsler, Arkani-Hamed, Ashie, Ashie, B.N. Grossmann, Baglio, Fukuda, Gabriel, Gabriel, Gell-Mann, Glashow, Minkowski, Mohapatra, Mohapatra, S. Nandi, Smy, Stockli, Yanagida, Z. Murdock   +22 more
core   +1 more source

OPTIMIZING ULTRASOUND IMAGE CLASSIFICATION THROUGH TRANSFER LEARNING: FINE-TUNING STRATEGIES AND CLASSIFIER IMPACT ON PRE-TRAINED INNER-LAYERS

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2023
Transfer Learning (TL) is a popular deep learning technique used in medical image analysis, especially when data is limited. It leverages pre-trained knowledge from State-Of-The-Art (SOTA) models and applies it to specific applications through Fine ...
Mohamed Bal-Ghaoui, My Hachem El Yousfi Alaoui, Abdelilah Jilbab, Abdennaser Bourouhou   +3 more
doaj   +1 more source

Naturalness of scale-invariant NMSSMs with and without extra matter

, 2014
We present a comparative and systematic study of the fine tuning in Higgs sectors in three scale-invariant NMSSM models: the first being the standard $Z_3$-invariant NMSSM; the second is the NMSSM plus additional matter filling $3(5+\bar{5 ...
Binjonaid, Maien Y., King, Stephen F.
core   +1 more source

Top Condensation without Fine-Tuning

, 1993
Quadratic divergencies which lead to the usual fine-tuning or hierarchy problem are discussed in top condensation models. As in the Standard Model a cancellation of quadratic divergencies is not possible without the boson contributions in the radiative ...
Andreas Blumhofer, Bardeen, Blumhofer, Bönisch, Decker, Ellwanger, Hasenfratz, Hill, Hooft, Lindner, Lindner, Nambu, Nambu, Nambu, Nilles, Veltman   +15 more
core   +1 more source

The MSSM fine tuning problem: a way out

, 2003
As is well known, electroweak breaking in the MSSM requires substantial fine-tuning, mainly due to the smallness of the tree-level Higgs quartic coupling, lambda_tree.
D0 collaboration, DELPHI collaboration, G.L. Kane, G.W. Anderson, G.W. Anderson, G.W. Anderson, H.E. Haber, I Hidalgo, J.A Casas, J.R Espinosa, J.R. Ellis, K. Agashe, K. Harada, K. Inoue, LEP Higgs Working Group collaboration, LEP Higgs Working Group for Higgs boson searches collaboration, M. Cvetic, M. Drees, M. Spira, N. Polonsky, OPAL collaboration, OPAL collaboration, P. Batra, S. Weinberg, S.P. Martin, Y. Okada   +25 more
core   +1 more source

An interferometer tracking radar system [PDF]

, 1969
Fine tuning acquisition and tracking interferometer radar system uses a first antenna array of at least three receiving antennas. Array includes a reference antenna, a coarse tuning antenna, and a fine tuning antenna aligned on a receiving axis.
Broderick, R. F.
core   +1 more source

Quintessential Difficulties [PDF]

, 1998
An alternative to a cosmological constant is quintessence, defined as a slowly-varying scalar field potential V(\phi). If quintessence is observationally significant, an epoch of inflation is beginning at the present epoch, with \phi the slowly-rolling ...
Carroll, Christopher Kolda, David H. Lyth   +2 more
core   +2 more sources

LLM Fine-Tuning: Concepts, Opportunities, and Challenges

Big Data and Cognitive Computing
As a foundation of large language models, fine-tuning drives rapid progress, broad applicability, and profound impacts on human–AI collaboration, surpassing earlier technological advancements.
Xiao-Kun Wu, Min Chen, Wanyi Li, Rui Wang, Limeng Lu, Jia Liu, Kai Hwang, Yixue Hao, Yanru Pan, Qingguo Meng, Kaibin Huang, Long Hu, Mohsen Guizani, Naipeng Chao, Giancarlo Fortino, Fei Lin, Yonglin Tian, Dusit Niyato, Fei-Yue Wang   +18 more
doaj   +1 more source

About the fine-tuning price of LEP

, 1998
Following Chankowski, Ellis and Pokorski we quantify the amount of fine-tuning of input parameters of the Minimal Supersymmetric Standard Model that is needed to respect the lower limits on sparticle and Higgs masses imposed by negative searches so far ...
Alessandro Strumia, Carena, Ciafaloni, Dimopoulos, Gamberini, Olechowski, Riccardo Barbieri   +6 more
core   +3 more sources