activity
19992026
most citedA new measurement of direct CP violation in two pion decays of the neutral kaon

317 citations · 1.1k across the 24 of their papers we have counts for

collaborators

27 papers

hep-ex2026

First measurement of the antihydrogen production cross section through the charge-exchange reaction of low-energy antiprotons with orthopositronium

GBAR Collaboration, P. Adrich, I. Belosevic +42

The GBAR experiment has measured the formation rate of antihydrogen from antiproton impact on a positronium cloud for antiproton kinetic energies of 4 and 6 keV. This is the first…

physics.ins-det2026

Monitoring antiproton numbers with a CMOS detector in a dense-track environment

C. Regenfus, P. Adrich, I. Belosevic +42

The production of antihydrogen by the GBAR experiment at AD/ELENA requires good knowledge of the number of incident keV antiprotons, which can be problematic. We have used a commer…

hep-ex2026

A determination of the backscattering probability of low-energy antiprotons

GBAR Collaboration, K. Park, E. Perez +42

It is commonly assumed that antiprotons impinging on a material surface annihilate promptly with the nuclei of the material. However, at kinetic energies of a few keV, this assumpt…

hep-ex2026

Record accumulation of antiprotons in a Penning-Malmberg Trap and their preparation for improved production of antihydrogen beams

B. Lee, B. Kim, P. Adrich +35

CERN's AD/ELENA ``antimatter factory'' - unique worldwide - serves several experiments, all of which use electromagnetic traps to accumulate antiprotons for fundamental science. Th…

hep-ex2025

Polish national input to the 2026 update of the European Strategy for Particle Physics

K. Adamczyk, B. Badełek, T. Banaszkiewicz +59

The Polish high energy physics (HEP) community fully recognizes the urgent need to host at CERN a flagship project implementing a broad, long-term, and comprehensive vision of part…

hep-ex2023★ 2 cited

Physics Potential of a Few Kiloton Scale Neutrino Detector at a Deep Underground Lab in Korea

Seon-Hee Seo, Jose Alonso, Pouya Bakhti +14

The demand for underground labs for neutrino and rare event search experiments has been increasing over the last few decades. Yemilab, constructed in October 2022, is the first dee…

hep-ex2023★ 16 cited

Production of antihydrogen atoms by 6 keV antiprotons through a positronium cloud

P. Adrich, P. Blumer, G. Caratsch +61

We report on the first production of an antihydrogen beam by charge exchange of 6.1 keV antiprotons with a cloud of positronium in the GBAR experiment at CERN. The antiproton beam…

physics.plasm-ph2022★ 17 cited

Positron accumulation in the GBAR experiment

P. Blumer, M. Charlton, M. Chung +67

We present a description of the GBAR positron (e+) trapping apparatus, which consists of a three stage Buffer Gas Trap (BGT) followed by a High Field Penning Trap (HFT), and discus…

hep-ex2021★ 76 cited

PANDA Phase One

G. Barucca, F. Davì, G. Lancioni +421

The Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany, provides unique possibilities for a new generation of hadron-, nuclear- and atomic physics experiments. T…

physics.ins-det2020★ 2 cited

The Hyper-Kamiokande Experiment -- Snowmass LOI

Kamiokande Collaboration, K. Abe, P. Adrich +387

Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times l…

physics.ins-det2020★ 21 cited

Positron production using a 9 MeV electron linac for the GBAR experiment

M. Charlton, J. J. Choi, M. Chung +67

For the GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment at CERN's Antiproton Decelerator (AD) facility we have constructed a source of slow positrons, which uses…

astro-ph.IM2020★ 3 cited

Supernova Model Discrimination with Hyper-Kamiokande

Jost Migenda

Supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants---neutron sta…

physics.ins-det2019★ 2 cited

Technical Design Report for the PANDA Endcap Disc DIRC

Panda Collaboration, F. Davi, W. Erni +460

PANDA (anti-Proton ANnihiliation at DArmstadt) is planned to be one of the four main experiments at the future international accelerator complex FAIR (Facility for Antiproton and I…

hep-ex2016★ 4 cited

Feasibility studies of time-like proton electromagnetic form factors at PANDA at FAIR

PANDA Collaboration, B. Singh, W. Erni +502

Simulation results for future measurements of electromagnetic proton form factors at \PANDA (FAIR) within the PandaRoot software framework are reported. The statistical precision w…

physics.acc-ph2013

Collimators

Slawomir Wronka

The collimator system of a particle accelerator must efficiently remove stray particles and provide protection against uncontrolled losses. In this article, the basic design concep…

hep-ex2007★ 37 cited

Measurement of K^{0}_{\mu3} form factors

The NA48 Collaboration

This paper reports on a new high precision measurement of the form factors of the K_{L}\to π^{\pm} μ^{\mp} ν_μ decay. The data sample of about 2.3 events was recorde…

hep-ex2006★ 24 cited

Measurement of the Ratio Gamma(KL -> pi+ pi-)/Gamma(KL -> pi e nu) and Extraction of the CP Violation Parameter |eta+-|

NA48 Collaboration

We present a measurement of the ratio of the decay rates Gamma(KL -> pi+ pi-)/Gamma(KL -> pi e nu), denoted as Gamma(K2pi)/Gamma(Ke3). The analysis is based on data taken during a…

hep-ex2004★ 36 cited

Measurement of K^0_e3 form factors

NA48 collaboration

The semileptonic decay of the neutral K meson, KL -> pi e nu (Ke3), was used to study the strangeness-changing weak interaction of hadrons. A sample of 5.6 million reconstructed ev…

hep-ex2004★ 52 cited

Measurement of the branching ratio of the decay KL -> pi e nu and extraction of the CKM parameter |Vus|

NA48 collaboration

We present a new measurement of the branching ratio R of the decay KL -> pi e nu (Ke3), relative to all charged KL decays with two tracks, based on data taken with the NA48 detecto…

hep-ex2004★ 16 cited

Search for CP violation in K0 -> 3 pi0 decays

NA48 Collaboration

Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay K_S -> 3 pi0 has been performed. From a fit to the lifetime distri…

hep-ex2003★ 9 cited

First observation of the KS->pi0 gamma gamma decay

NA48 Collaboration

Using the NA48 detector at the CERN SPS, 31 KS->pi0 gamma gamma candidates with an estimated background of 13.7 +- 3.2 events have been observed. This first observation leads to a…

hep-ex2002★ 238 cited

A precision measurement of direct CP violation in the decay of neutral kaons into two pions

J. R. Batley, NA48 collaboration

The direct CP violation parameter Re(epsilon'/epsilon) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. The 2001 runn…

hep-ex2002★ 59 cited

Precise measurement of the decay

A. Lai

The decay rate of $\klpgg$ has been measured with the NA48 detector at the CERN SPS. A total of 2558 $\klpgg$ candidates have been observed with a residual background of 3.2%. The…

hep-ex2002★ 26 cited

New measurements of the and masses

A. Lai, NA48 collaboration

New measurements of the and masses have been performed using decays to 3 with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects,…