activity
20072026
most citedFirst Flavor-Tagged Determination of Bounds on Mixing-Induced CP Violation in Bs -> J/psi phi Decays

208 citations · 1.4k across the 67 of their papers we have counts for

collaborators

68 papers

astro-ph.IM2026

Low-Noise SiPM Light Readout and ASIC-Based Charge Readout of a Liquid Argon Time Projection Chamber for MeV Gamma-Ray Measurements

Satoshi Takashima, Hirokazu Odaka, Shota Arai +25

We have developed a compact liquid argon time projection chamber (LArTPC), NanoGRAMS, as a technology demonstrator for the Gamma-Ray and AntiMatter Survey (GRAMS). LArTPCs have the…

hep-ex2025

Gamma-Ray and AntiMatter Survey(GRAMS) experiment

J. Zeng, T. Aramaki, D. Ames +62

The Gamma-Ray and AntiMatter Survey (GRAMS) is a next-generation experiment using a Liquid Argon Time Projection Chamber (LArTPC) detector to measure MeV gamma rays and antiparticl…

hep-ex2025

Antihelium-3 Sensitivity for the GRAMS Experiment

J. Zeng, T. Aramaki, K. Aoyama +62

The Gamma-Ray and AntiMatter Survey (GRAMS) is a next-generation balloon/satellite mission utilizing a Liquid Argon Time Projection Chamber (LArTPC) detector to measure both MeV ga…

astro-ph.IM2024★ 3 cited

First operation of LArTPC in the stratosphere as an engineering GRAMS balloon flight (eGRAMS)

R. Nakajima, S. Arai, K. Aoyama +60

GRAMS (Gamma-Ray and AntiMatter Survey) is a next-generation balloon/satellite experiment utilizing a LArTPC (Liquid Argon Time Projection Chamber), to simultaneously target astrop…

hep-ex2021

A novel measurement of initial-state gluon radiation in hadron collisions using Drell-Yan events

CDF Collaboration, T. Aaltonen, S. Amerio +397

A study of initial-state gluon radiation (ISR) in hadron collisions is presented using Drell-Yan (DY) events produced in proton-antiproton collisions by the Tevatron collider at a…

hep-ex2021

Measurement of the charge asymmetry of electrons from the decays of bosons produced in collisions at TeV

CDF Collaboration, T. Aaltonen, S. Amerio +398

At the Fermilab Tevatron proton-antiproton () collider, high-mass electron-neutrino () pairs are produced predominantly in the process $p \bar{p} \rightarrow W(\right…

physics.ins-det2021★ 12 cited

Measurement of emission spectrum for gaseous argon electroluminescence in visible light region from 300 to 600 nm

Kazutaka Aoyama, Masato Kimura, Hiroyuki Morohoshi +3

A double-phase Ar detector can efficiently identify particles and reconstruct their positions. However, the properties of electroluminescence (EL) for secondary light emission in t…

astro-ph.IM2021★ 10 cited

Reconstruction of multiple Compton scattering events in MeV gamma-ray Compton telescopes towards GRAMS: the physics-based probabilistic model

Hiroki Yoneda, Hirokazu Odaka, Yuto Ichinohe +19

Aimed at progress in mega-electron volt (MeV) gamma-ray astronomy, which has not yet been well-explored, Compton telescope missions with a variety of detector concepts have been pr…

physics.ins-det2021★ 3 cited

Development of a high-light-yield liquid argon detector using tetraphenyl butadiene and silicon photomultiplier array

Kazutaka Aoyama, Masashi Tanaka, Masato Kimura +1

To increase the light yield of a liquid Ar (LAr) detector, we optimized the evaporation technique of tetraphenyl butadiene (TPB) on the detector surface and tested the operability…

physics.ins-det2020★ 6 cited

Liquid argon scintillation response to electronic recoils between -- in a high light yield single-phase detector

M. Kimura, K. Aoyama, M. Tanaka +1

We measure the liquid argon scintillation response to electronic recoils in the energy range of to at null electric field. The single-phase detector with…

physics.ins-det2019

Measurement of ambient neutrons in an underground laboratory at Kamioka Observatory and future plan

Keita Mizukoshi, Ryosuke Taishaku, Keishi Hosokawa +7

Ambient neutrons are one of the most serious backgrounds for underground experiments in search of rare events. The ambient neutron flux in an underground laboratory of Kamioka Obse…

hep-ex2019★ 1 cited

Search for Higgs-like particles produced in association with bottom quarks in proton-antiproton collisions

CDF Collaboration, T. Aaltonen, S. Amerio +396

We report on a search for a spin-zero non-standard-model particle in proton-antiproton collisions collected by the Collider Detector at Fermilab at a center-of-mass-energy of 1.96…

physics.ins-det2019★ 12 cited

Measurement of the scintillation efficiency for nuclear recoils in liquid argon under electric fields up to 3 kV/cm

M. Kimura, M. Tanaka, T. Washimi +1

We present a measurement of scintillation efficiency for a few tens of keV nuclear recoils (NR) with a liquid argon time projection chamber under electric fields ranging from t…

hep-ex2018★ 1 cited

Search for standard-model Z and Higgs bosons decaying into a bottom-antibottom quark pair in proton-antiproton collisions at 1.96 TeV

CDF Collaboration, T. Aaltonen, S. Amerio +396

The Collider Detector at Fermilab collected a unique sample of jets originating from bottom-quark fragmentation (-jets) by selecting online proton-antiproton () collis…

hep-ex2018★ 41 cited

Search for pair production of higgsinos in final states with at least three -tagged jets in TeV collisions using the ATLAS detector

ATLAS Collaboration

A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos ) in gauge-mediated scenarios is reported. Each higgsino is assumed to decay to…

physics.ins-det2018★ 3 cited

Scintillation and Ionization Ratio of Liquid Argon for Electronic and Nuclear Recoils at Drift-Fields up to 3 kV/cm

T. Washimi, M. Kimura, M. Tanaka +1

A two-phase argon detector has high discrimination power between electron recoil and nuclear recoil events based on the pulse shape discrimination and the ionization/scintillation…

physics.ins-det2018★ 9 cited

Measurement of ambient neutrons in an underground laboratory at Kamioka Observatory

Keita Mizukoshi, Ryosuke Taishaku, Keishi Hosokawa +8

Ambient neutrons are one of the most serious backgrounds for underground experiments searching for rare events. The ambient neutron flux in an underground laboratory of Kamioka Obs…

hep-ex2017★ 44 cited

A search for the exotic meson with the Collider Detector at Fermilab

CDF Collaboration, T. Aaltonen, S. Amerio +395

A search for the exotic meson decaying into the final state is performed using data corresponding to from collisions at…

hep-ex2017★ 4 cited

Measurement of the inclusive-isolated prompt-photon cross section in collisions using the full CDF data set

CDF Collaboration, T. Aaltonen, M. G. Albrow +396

A measurement of the inclusive production cross section of isolated prompt photons in proton-antiproton collisions at center-of-mass energy =1.96TeV is presented. The res…

hep-ex2016★ 7 cited

Measurement of the and production cross section using final states with a charged lepton and heavy-flavor jets in the full CDF Run II data set

CDF Collaboration, T. Aaltonen, S. Amerio +396

We present a measurement of the total {\it WW} and {\it WZ} production cross sections in collision at TeV, in a final state consistent with leptonic …

hep-ex2016★ 11 cited

Measurement of the production cross section in collisions at TeV

CDF Collaboration, T. Aaltonen, S. Amerio +396

We describe a measurement of the ratio of the cross sections times branching fractions of the meson in the decay mode to the meson in the de…

hep-ex2015★ 11 cited

Measurement of the top-quark mass in the dilepton channel using the full CDF Run II data set

CDF Collaboration, T. Aaltonen, S. Amerio +400

We present a measurement of the top-quark mass in events containing two leptons (electrons or muons) with a large transverse momentum, two or more energetic jets, and a transverse-…

physics.ins-det2015★ 14 cited

Performance of VUV-sensitive MPPC for Liquid Argon Scintillation Light

T. Igarashi, S. Naka, M. Tanaka +2

A new type of the Multi-Pixel Photon Counter (MPPC), sensitive to Vacuum Ultra-Violet (VUV) light (wavelength λ < 150 nm), is recently developed and produced by Hamamatsu Photonics…

hep-ex2015★ 7 cited

First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass

CDF Collaboration, T. Aaltonen, S. Amerio +400

We measure the particle-level forward-backward production asymmetry in pairs with masses larger than 150 GeV/, using events with hadronic jets and emp…