J.-Y. Roussé

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

C. Regenfus, P. Adrich, I. Belosevic, F. Benkel et autres

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 commercial CMOS digital camera mounted around the experimental vacuum chamber to determine antiproton numbers …

A determination of the backscattering probability of low-energy antiprotons

GBAR Collaboration, K. Park, E. Perez, P. Adrich et autres

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 assumption may not hold. As with low-energy protons, electrons or positrons that can be …

A determination of the backscattering probability of low-energy antiprotons

K. Park, E. Perez, P. Adrich, I. Belosevic et autres

International audience

News from the GBAR experiment: Improved positron accumulation in a buffer gas trap with a silicon carbide remoderator

Laszlo Liszkay, P. Adrich, I. Belošević, P.J. Blumer et autres

Abstract The aim of the GBAR experiment is to measure the gravitational acceleration of antihydrogen by observing the free fall of ultracold anti-atoms. The experiment is installed at CERN’s Antiproton Decelerator/ELENA facility. Positrons are produced by a low energy (9 MeV) linear …

fr (code pays fourni par la source)

Evolution of two-neutrons configuration from 11Li to 13Li

P. André, Anna Maria Corsi, A. Revel, Yoshiyuki KUBOTA et autres

In this work we investigate the two-neutron decay of 13Li and of the excited states of 11Li populated via one-proton removal from 14Be and 12Be, respectively. A phenomenological model is used to describe the decay of 11Li and 13Li. While the first …

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

P. Adrich, P. Blumer, G. Caratsch, М. Chung et autres

International audience

pl, ch, kr, fr, se, jp, de, gb (code pays fourni par la source)

Corrigendum to “Positron accumulation in the GBAR experiment” [Nucl. Inst. Method. Phys. Res. A 1040 (2022) 167263]

Philipp Blumer, Michael H. Charlton, М. Chung, Pierre Cladé et autres

ch, gb, kr, fr, se (code pays fourni par la source)

Evolution of the two-neutron configuration from 11Li to 13Li

Paul André, Anna Maria Corsi, A. Revel, Yoshiyuki KUBOTA et autres

In this work we investigate the two-neutron decay of 13 Li and of the excited states of 11 Li populated via one-proton removal from 14 Be and 12 Be, respectively. A phenomenological model is used to describe the decay of 11 Li …

fr, us, de, jp, es, cn, kr (code pays fourni par la source)

Mass, Spectroscopy, and Two-Neutron Decay of Be16

B. Monteagudo, F. M. Marqués, J. Gibelin, Nigel A. Orr et autres

The structure and decay of the most neutron-rich beryllium isotope, ^{16}Be, has been investigated following proton knockout from a high-energy ^{17}B beam. Two relatively narrow resonances were observed for the first time, with energies of 0.84(3) and 2.15(5) MeV above the two-neutron …

fr, us, de, jp, it, es, cn, kr (code pays fourni par la source)

Mass, spectroscopy and two-neutron decay of $^{16}$Be

B. Monteagudo, F. M. Marqués, J. Gibelin, Nigel A. Orr et autres

The structure and decay of the most neutron-rich beryllium isotope, $^{16}$Be, has been investigated following proton knockout from a high-energy $^{17}$B beam. Two relatively narrow resonances were observed for the first time, with energies of $0.84(3)$ and $2.15(5)$ MeV above the two-neutron …

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

P. Adrich, P. Blumer, G. Caratsch, М. Chung et autres

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 was delivered by the AD/ELENA facility.The positronium target was produced from a …

pl, ch, kr, fr, se, jp, de, gb (code pays fourni par la source)

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

P. Adrich, Philipp Blumer, G. Caratsch, М. Chung et autres

Abstract 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 100 keV antiproton beam delivered by the AD/ELENA facility was further decelerated …

pl, ch, kr, fr, se, jp, de, gb (code pays fourni par la source)