Name: KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH2025winter)
Start: 2025-02-18T09:00:00+09:00
End: 2025-02-21T20:00:00+09:00
Location: Building 3

KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH2025winter)

from Tuesday, 18 February 2025 (09:00) to Friday, 21 February 2025 (20:00)

Monday, 17 February 2025 ¶
Tuesday, 18 February 2025 ¶

10:00 opening
opening
10:00 - 10:10
Room: seminar hall
10:10 Christophe Grojean
Christophe Grojean
10:10 - 10:50
Room: seminar hall
Contributions

10:10 CERN Future Circular Collider: an electroweak and flavour factory - Christophe Grojean
10:50 coffee
coffee
10:50 - 11:10
Room: meeting room
11:10 Ian Low
Ian Low
11:10 - 11:50
Room: seminar hall
Contributions

11:10 Quantum Entanglement and Emerging Symmetry - Ian Low
11:50 lunch break
lunch break
11:50 - 13:30
13:30 Shigeki Hirose, Koji Hashimoto
Shigeki Hirose, Koji Hashimoto
13:30 - 14:50
Room: seminar hall
Contributions

13:30 Recent results from ATLAS and prospects for HL-LHC - Shigeki Hirose

14:10 Recent results in MLPhys --- "Machine Learning Physics" initiative in Japan - Koji Hashimoto
14:50 coffee
coffee
14:50 - 15:20
Room: meeting room
15:20 flavor
flavor
15:20 - 16:20
Room: seminar hall
Contributions

15:20 Flavor anomalies and 2HDM with flavor symmetry - Fanrong Xu

15:40 The possible solution to V_cb puzzle from nontrivial analyticity of quark propagator - Jinglong Zhu

16:00 A novel approach to charm mixing - Hiroyuki Umeeda
theory
theory
15:20 - 16:20
Room: meeting room
Contributions

15:20 Evanescent contribution of the QCD theta angle - Naohiro Osamura

15:40 Spontaneous CP violation in supersymmetric QCD - Yaoduo Wang

16:00 Does finetuning make D-term contributions smaller in natural grand unified theories with spontaneous supersymmetry breaking? - Taiju Tanii
16:20 coffee
coffee
16:20 - 16:50
Room: meeting room
16:50 flavor
flavor
16:50 - 17:50
Room: seminar hall
Contributions

16:50 Analysis of Flavor Models by Diffusion Model - Satsuki Nishimura

17:10 Heavy quark symmetry behind b → c semileptonic sum rule - Syuhei Iguro
theory
theory
16:50 - 17:50
Room: meeting room
Contributions

16:50 Wiggly dilaton: a landscape of spontaneously broken scale invariance - Yu-Cheng Qiu

17:10 Gauge symmetry breaking with two dimensional sphere as extra dimensions - Hiroki Ishikawa

17:30 Mass spectrum of the extra-dimensional components of gauge fields in Yang-Mills theory with extra dimensions of two-dimensional sphere - Yuki Honda
17:50 break
break
17:50 - 18:00
Room: meeting room

18:00 reception
reception
18:00 - 20:00
Room: Lounge
Wednesday, 19 February 2025 ¶
09:00 Zoltan Ligeti, Abner Soffer
Zoltan Ligeti, Abner Soffer
09:00 - 10:20
Room: seminar hall
Contributions

09:00 Majorana phases beyond neutrinoless double beta decay - Zoltan Ligeti

09:40 Recent updates and future prospects of the Belle II experiment - Abner Soffer
10:20 coffee
coffee
10:20 - 10:30
Room: meeting room
10:30 Sokratis Trifinopoulos, Shingo Kazama
Sokratis Trifinopoulos, Shingo Kazama
10:30 - 11:50
Room: seminar hall
Contributions

10:30 Flavor Patterns of Fundamental Particles from Quantum Entanglement? - Sokratis Trifinopoulos

11:10 Direct Dark Matter Detection with Liquid Xenon Detectors - Shingo Kazama
11:50 group photo and lunch break
group photo and lunch break
11:50 - 13:30
13:30 collider
collider
13:30 - 14:30
Room: seminar hall
Contributions

13:30 Single top plus Higgs production at the LHC - Yajuan Zheng

13:50 Transformers for jet tagging - Ahmed Hammad

14:10 Dark photon pair production via off-shell dark Higgs at FASER - Yohei Nakashima
dark matter
dark matter
13:30 - 14:30
Room: meeting room
Contributions

13:30 Photon Proliferation Effect from N-body ultralight DM annihilation - Shaoping Li

13:50 Composite Dark Matter with Forbidden Annihilation - Takumu Yamanaka

14:10 pseudo-Nambu-Goldstone-boson as a Dark Matter Candidate: A Model with Three Complex Scalars under Z3 Symmetry - Riasat Sheikh
14:30 coffee
coffee
14:30 - 15:00
Room: meeting room
15:00 collider
collider
15:00 - 16:00
Room: seminar hall
Contributions

15:00 T violation at a future neutrino factory - Sho Sugama

15:20 Higgs Boson Production at µ^+ µ^+ Colliders - Lukas Treuer

15:40 Verifying the Resonance Schemes of Unstable Particles at Lepton Colliders - Ui Min
dark matter
dark matter
15:00 - 16:00
Room: meeting room
Contributions

15:00 Excited bound states and their role in dark matter production - Stefan Lederer

15:20 Black String in the Standard Model - Hayate Kimura

15:40 Realising Dark Matter and PTA via Dark Branes - Fotis Koutroulis
16:00 coffee
coffee
16:00 - 16:30
Room: meeting room
16:30 collider
collider
16:30 - 17:30
Room: seminar hall
Contributions

16:30 Prospects for quantum process tomography at high energies - Kazuki Sakurai

16:50 New Physics Implications of Vector Boson Fusion Searches - Nivedita Ghosh

17:10 Are Fractals Behind Flavor Mixing of the SM? - Aadarsh Singh
dark matter
dark matter
16:30 - 17:30
Room: meeting room
Contributions

16:30 Minimal dark matter in SU(5) grand unification - Takashi Toma

16:50 Phenomenology of Neutrino-Dark Matter Interaction in DSNB and AGN - Po-Yen Tseng

17:10 Composite asymmetric dark matter with a dark photon portal: Multi-Messenger tests - Takumi Kuwahara
Thursday, 20 February 2025 ¶
09:00 Takeo Moroi, Motoko Fujiwara
Takeo Moroi, Motoko Fujiwara
09:00 - 10:20
Room: seminar hall
Contributions

09:00 Dark Matter Detection using Quantum Bits - Takeo Moroi

09:40 Soft Collinear Effective Theory for heavy dark matter annihilation - Motoko Fujiwara
10:20 coffee
coffee
10:20 - 10:30
Room: meeting room
10:30 Wen Yin, Akito Kusaka
Wen Yin, Akito Kusaka
10:30 - 11:50
Room: seminar hall
Contributions

10:30 Undulators as axion factories - Wen Yin

11:10 Cosmic Microwave Background - Akito Kusaka
11:50 lunch break
lunch break
11:50 - 13:30
13:30 dark matter / baryogenesis
dark matter / baryogenesis
13:30 - 14:30
Room: seminar hall
Contributions

13:30 Sterile neutrino dark matter production in lepton asymmetric universe and its observational implications - Kentaro Kasai

13:50 New EDM bounds for electroweak baryogenesis with the minimal setup for CP violation in the extended Higgs model - Yushi Mura

14:10 Memory-Burdened Primordial-Black-Hole Dark Matter probed by Induced Gravitational Waves - Takahiro Terada
pheno
pheno
13:30 - 14:30
Room: meeting room
Contributions

13:30 Lepton Flavor Violating Decay of True Muonium - Ryotaro Minato

13:50 Axion detection with quantum Hall effect - Aiichi Iwazaki

14:10 High frequency gravitons from inflation - Kazunori Nakayama
14:30 coffee
coffee
14:30 - 15:00
Room: meeting room
15:00 leptogenesis
leptogenesis
15:00 - 16:00
Room: seminar hall
Contributions

15:00 A new mechanism for leptogenesis in three-Higgs-doublet models - Hidenaga Watanabe

15:20 Leptogenesis and Neutrinoless Double-Beta Decay - Tatsuya Yokoyama

15:40 Leptogenesis in the presence of density perturbations - Rin Takada
pheno
pheno
15:00 - 16:00
Room: meeting room
Contributions

15:00 Impact of the Electroweak Weinberg Operator on the Electric Dipole Moment of Electron - Kiyoto Ogawa

15:20 Constraints on Trilinear Higgs Couplings Including One-loop Correction in Nearly Aligned Higgs Models - Shuhei Ohzawa

15:40 New Constraints on Gauged U(1)Lμ-Lτ Models via Z-Z' Mixing - Coh Miyao
16:00 coffee
coffee
16:00 - 16:30
Room: meeting room
16:30 leptogenesis
leptogenesis
16:30 - 17:30
Room: seminar hall
Contributions

16:30 Flavored leptogenesis in Scotogenic models - Yurika Sekikawa

16:50 Thermal leptogenesis in SO(10)×U(1) GUT - Kei Shibata

17:10 The time evolution of lepton numbers, Majorana (type) phases and the connection to CP violation for leptogenesis - Takuya Morozumi
pheno
pheno
16:30 - 17:30
Room: meeting room
Contributions

16:30 Effective field theory for type II seesaw model --symmetric phase v.s. broken phase-- - Yoshiki Uchida

16:50 The probability for chiral oscillation of Majorana neutrino in Quantum Field Theory - Tomoharu Tahara

17:10 Two-sided story of sterile neutrinos: production under X-ray limits - Muping Chen
Friday, 21 February 2025 ¶
09:00 Jacob Moritz
Jacob Moritz
09:00 - 09:40
Room: seminar hall
Contributions

09:00 Candidate de Sitter Vacua - Jacob Moritz
09:40 coffee
coffee
09:40 - 09:50
Room: meeting room
09:50 cosmo
cosmo
09:50 - 10:50
Room: seminar hall
Contributions

09:50 Effects of electroweak phase transition on dark matter relic abundance - Chikako Idegawa

10:10 Completing the perturbative program for cosmological phase transitions - Philipp Schicho

10:30 Reheating Process after Axion Inflation - Tenta Tsuji
axion
axion
09:50 - 10:50
Room: meeting room
Contributions

09:50 QCD axion from chiral gauge theories - Shonosuke Takeshita

10:10 How viable is a QCD axion near 10 MeV? - Junxuan Xu

10:30 High Quality QCD axion via Electric-Magnetic Duality - Shota Nakagawa
10:50 coffee
coffee
10:50 - 11:00
Room: meeting room
11:00 Kyohei Mukaida, Jorinde van de Vis
Kyohei Mukaida, Jorinde van de Vis
11:00 - 12:20
Room: seminar hall
Contributions

11:00 Cascade of Energetic SM Particles - Kyohei Mukaida

11:40 The bubble wall velocity in cosmological phase transitions - Jorinde van de Vis
12:20 closing
closing
12:20 - 13:00
Room: seminar hall