89 citations · 635 across the 76 of their papers we have counts for
31 papers · 1 filter
Search for Sub-GeV Axion-Like Particles at EBES Pilot Run Using 4 GeV Positron Beam at KEK LINAC
Takahiro Fusayasu, Tomoya Iizawa, Fumihito Ikeda +18
We report the results of a search for sub-GeV axion-like particles (ALPs) using pilot run data from the Electron Beam-dump Experiment at KEK LINAC Switching Yard 3 (EBES). The data…
Higgs Self-Coupling Measurement at a Linear Collider at 550 GeV
Mikael Berggren, Bryan Bliewert, Jenny List +5
The Higgs mechanism is essential for the success of the Standard Model (SM) and can be experimentally verified with the determination of the Higgs self-coupling. As the simplest mo…
GPU-based track-finding for the J-PARC muon g-2/EDM experiment
Hridey Chetri, Deepak Samuel, Saurabh Sandilya +3
The muon \textit{g-2}/EDM experiment at J-PARC is designed to precisely measure the muon's magnetic moment and electric dipole moment, driven by discrepancies between theory and pr…
Update of the Higgs Self-coupling Projections from Di-Higgs Production in Detailed Simulation of the ILD Concept
Mikael Berggren, Bryan Bliewert, Jenny List +5
This contribution summarizes the update of the projections for the determination of the tri-linear Higgs self-coupling from di-Higgs production at future colliders. In par…
Letter Of Intent for a future experiment at the High Intensity Muon Beam facility at PSI
Paolo Walter Cattaneo, Wataru Ootani, Francesco Renga +61
Searches for charged lepton flavor violation in the muon sector stand out among the most sensitive and clean probes for physics beyond the Standard Model. Currently, $μ^+ \to \math…
Application of Particle Transformer to quark flavor tagging in the ILC project
Risako Tagami, Taikan Suehara, Masaya Ishino
International Linear Collider (ILC) is a next-generation linear collider to explore Beyond-Standard-Models by precise measurements of Higgs bosons. Jet flavor tagging play…
Energy reconstruction of hadronic showers at the CERN PS and SPS using the Semi-Digital Hadronic Calorimeter
I. Laktineh, B. Liu, D. Boumediene +67
The CALICE Semi-Digital Hadronic CALorimeter (SDHCAL) is the first technological prototype in a family of high-granularity calorimeters developed by the CALICE Collaboration to equ…
Tests of the Standard Model at the International Linear Collider
Keisuke Fujii, Christophe Grojean, Michael E. Peskin +19
We present an overview of the capabilities that the International Linear Collider (ILC) offers for precision measurements that probe the Standard Model. First, we discuss the impro…
Study of fermion pair events at the 250 GeV ILC
Yuto Deguchi, Hiroaki Yamashiro, Taikan Suehara +3
Precise measurements of electroweak processes at the International Linear Collider (ILC) will provide unique opportunities to explore new physics beyond the Standard Model. Fermion…
Study of fermion pair productions at the ILC with center-of-mass energy of 250 GeV
Hiroaki Yamashiro, Kiyotomo Kawagoe, Taikan Suehara +3
Precise measurements of electroweak processes at the International Linear Collider (ILC) will provide unique opportunities to explore new physics beyond the Standard Model. Fermion…
A study of the measurement precision of the Higgs boson decaying into tau pairs at the ILC
Shin-ichi Kawada, Keisuke Fujii, Taikan Suehara +2
We evaluate the measurement precision of the production cross section times the branching ratio of the Higgs boson decaying into tau lepton pairs at the International Linear Collid…
Characteristic study of silicon sensor for ILD ECAL
Shusuke Takada, Hiroto Hirai, Kiyotomo Kawagoe +7
Excellent jet energy measurement is important at the International Linear Collider (ILC) because most of interesting physics processes decay into multi-jet final states. We employ…
Measuring BR() at the ILC: a full simulation study
Shin-ichi Kawada, Keisuke Fujii, Taikan Suehara +3
We evaluate the expected measurement accuracy of the branching ratio of the Standard Model Higgs boson decaying into tau pairs at the ILC with a full simulation of the ILD detector…
Full Simulation Study of the Higgs Branching Ratio into Tau Lepton Pairs at the ILC with GeV
Shin-ichi Kawada, Keisuke Fujii, Taikan Suehara +2
We evaluate the expected measurement accuracy of the branching ratio of the Standard Model Higgs boson decaying into tau lepton pairs at the ILC with a center-of-ma…
First Millimeter-wave Spectroscopy of the Ground-state Positronium
A. Miyazaki, T. Yamazaki, T. Suehara +7
We report on the first measurement of the Breit-Wigner resonance of the transition from {\it ortho-}positronium to {\it para-}positronium. We have developed an optical system to ac…
Study of top quark pair production near threshold at the ILC
Tomohiro Horiguchi, Akimasa Ishikawa, Taikan Suehara +4
We report on a study of top pair production at the International Linear Collider (ILC) around center of mass energy (E) = 350 GeV using an ILD detector simulator based o…
Evaluation of measurement accuracy of branching ratio at the ILC with GeV and 500 GeV
Shin-ichi Kawada, keisuke Fujii, Taikan Suehara +2
We evaluate the measurement accuracy of the branching ratio of at GeV and 500 GeV at the ILC with the ILD detector simulation. For the $\sqrt{s} =…
Physics at the CLIC e+e- Linear Collider -- Input to the Snowmass process 2013
Halina Abramowicz, Angel Abusleme, Konstatin Afanaciev +120
This paper summarizes the physics potential of the CLIC high-energy e+e- linear collider. It provides input to the Snowmass 2013 process for the energy-frontier working groups on T…
Direct Observation of the Hyperfine Transition of the Ground State Positronium
T. Yamazaki, A. Miyazaki, T. Suehara +7
We report the first direct measurement of the hyperfine transition of the ground state positronium. The hyperfine structure between ortho-positronium and para-positronium is about…
Improved jet clustering algorithm with vertex information for multi-bottom final states
Taikan Suehara, Tomohiko Tanabe, Satoru Yamashita
In collider physics at the TeV scale, there are many important processes which involve six or more jets. The sensitivity of the physics analysis depends critically on the performan…
First direct measurement of positronium hyperfine splitting with sub-THz light
T. Yamazaki, A. Miyazaki, T. Suehara +8
Positronium is an ideal system for the research of the bound state QED. The hyperfine splitting of positronium (Ps-HFS, about 203 GHz) is an important observable but all previous m…
Simulation Study of W Boson + Dark Matter Signatures for Identification of New Physics
T. Suehara, M. Asano, K. Fujii +7
Identification of beyond-standard-models including WIMP dark matter is studied in four particle final state with a W boson pair and a WIMP pair at the International Linear Collider…
Detection of the Direct Hyperfine Transition of Positronium Atoms using sub-THz High-power Radiation
T. Suehara, A. Miyazaki, T. Yamazaki +11
Hyperfine splitting of positronium is an important parameter for particle physics. This paper gives experimental techniques and results of R&D studies of our experiment to observe…
Using Single Photons for WIMP Searches at the ILC
Koichi Murase, Tomohiko Tanabe, Taikan Suehara +2
We consider analysis targets at the International Linear Collider in which only a single photon can be observed. For such processes, we have developed a method which uses likelihoo…