Search Results for author: Ki-Young Choi

Found 5 papers, 1 papers with code

Reconstruction of potentials of the hybrid inflation in the light of primordial black hole formation

no code implementations4 Feb 2021 Ki-Young Choi, Su-beom Kang, Rathul Nath Raveendran

In multi-filed inflation models, the curved trajectory of the scalar fields in the field space can generate a peak in the power spectrum on small scales due to the existence of the isocurvature perturbation.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology

Dispersion of neutrinos in a medium

no code implementations17 Dec 2020 Ki-Young Choi, Eung Jin Chun, Jongkuk Kim

We analyze the dispersion relations of Weyl or Majorana, and Dirac neutrinos in a complex scalar medium which interacts with the neutrinos through Yukawa couplings.

High Energy Physics - Phenomenology

Autoencoder-Based Incremental Class Learning without Retraining on Old Data

no code implementations18 Jul 2019 Euntae Choi, Kyungmi Lee, Ki-Young Choi

Incremental class learning, a scenario in continual learning context where classes and their training data are sequentially and disjointedly observed, challenges a problem widely known as catastrophic forgetting.

Continual Learning General Classification

Network Recasting: A Universal Method for Network Architecture Transformation

1 code implementation14 Sep 2018 Joonsang Yu, Sungbum Kang, Ki-Young Choi

The method is based on block-wise recasting; it recasts each source block in a pre-trained teacher network to a target block in a student network.

A facility to Search for Hidden Particles at the CERN SPS: the SHiP physics case

no code implementations19 Apr 2015 Sergey Alekhin, Wolfgang Altmannshofer, Takehiko Asaka, Brian Batell, Fedor Bezrukov, Kyrylo Bondarenko, Alexey Boyarsky, Nathaniel Craig, Ki-Young Choi, Cristóbal Corral, David Curtin, Sacha Davidson, André de Gouvêa, Stefano Dell'Oro, Patrick deNiverville, P. S. Bhupal Dev, Herbi Dreiner, Marco Drewes, Shintaro Eijima, Rouven Essig, Anthony Fradette, Björn Garbrecht, Belen Gavela, Gian F. Giudice, Dmitry Gorbunov, Stefania Gori, Christophe Grojean, Mark D. Goodsell, Alberto Guffanti, Thomas Hambye, Steen H. Hansen, Juan Carlos Helo, Pilar Hernandez, Alejandro Ibarra, Artem Ivashko, Eder Izaguirre, Joerg Jaeckel, Yu Seon Jeong, Felix Kahlhoefer, Yonatan Kahn, Andrey Katz, Choong Sun Kim, Sergey Kovalenko, Gordan Krnjaic, Valery E. Lyubovitskij, Simone Marcocci, Matthew Mccullough, David McKeen, Guenakh Mitselmakher, Sven-Olaf Moch, Rabindra N. Mohapatra, David E. Morrissey, Maksym Ovchynnikov, Emmanuel Paschos, Apostolos Pilaftsis, Maxim Pospelov, Mary Hall Reno, Andreas Ringwald, Adam Ritz, Leszek Roszkowski, Valery Rubakov, Oleg Ruchayskiy, Jessie Shelton, Ingo Schienbein, Daniel Schmeier, Kai Schmidt-Hoberg, Pedro Schwaller, Goran Senjanovic, Osamu Seto, Mikhail Shaposhnikov, Brian Shuve, Robert Shrock, Lesya Shchutska, Michael Spannowsky, Andy Spray, Florian Staub, Daniel Stolarski, Matt Strassler, Vladimir Tello, Francesco Tramontano, Anurag Tripathi, Sean Tulin, Francesco Vissani, Martin W. Winkler, Kathryn M. Zurek

We demonstrate that the SHiP experiment has a unique potential to discover new physics and can directly probe a number of solutions of beyond the Standard Model puzzles, such as neutrino masses, baryon asymmetry of the Universe, dark matter, and inflation

High Energy Physics - Phenomenology High Energy Physics - Experiment

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