Agnello, M., Andronenkov, A., Beer, G., Benussi, L., Bertani, M., Bhang, H. C., ...
New spectra from the FINUDA experiment of the Non Mesonic Weak Decay (NMWD) proton kinetic energy for 9(Lambda)Be, 11(Lambda)B, 12(Lambda)C, 13(Lambda)C, 15 (Lambda)N and 16(Lambda)O are presented...
New results on Mesonic Weak Decay of $p$-shell $\Lambda$-Hypernuclei (2009)
The FINUDA Collaboration, Agnello, M., Andronenkov, A., Beer, G., Benussi, L., Bertani, M., ...
The FINUDA experiment performed a systematic study of the charged mesonic weak decay channel of $p$-shell $\Lambda$-hypernuclei. Negatively charged pion spectra from mesonic decay were measured with...
Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements (2008)
Testera, G., Belov, A. S., Bonomi, G., Boscolo, I., Brambilla, N., Brusa, R. S., ...
The formation of the antihydrogen beam in the AEGIS experiment through the use of inhomogeneous electric fields is discussed and simulation results including the geometry of the apparatus and...
Production of Slow Protonium in Vacuum (2008)
Zurlo, N., Amoretti, M., Amsler, C., Bonomi, G., Carraro, C., Cesar, C. L., ...
We describe how protonium, the quasi-stable antiproton-proton bound system, has been synthesized following the interaction of antiprotons with the molecular ion H$_2^+$ in a nested Penning trap...
Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements (2008)
Testera, G., Belov, A. S., Bonomi, G., Boscolo, I., Brambilla, N., Brusa, R. S., ...
The formation of the antihydrogen beam in the AEGIS experiment through the use of inhomogeneous electric fields is discussed and simulation results including the geometry of the apparatus and...
Proposed antimatter gravity measurement with an antihydrogen beam (2008)
AEGIS Proto-Collaboration, Kellerbauer, A., Amoretti, M., Bonomi, G., Boscolo, I., Belov, A. S., ...
The principle of the equivalence of gravitational and inertial mass is one of the cornerstones of general relativity. Considerable efforts have been made and are still being made to verify its...
Evidence For The Production Of Slow Antiprotonic Hydrogen In Vacuum (2007)
Zurlo, N., Amoretti, M., Amsler, C., Bonomi, G., Carraro, C., Cesar, C. L., ...
We present evidence showing how antiprotonic hydrogen, the quasistable antiproton-proton (pbar-p) bound system, has been synthesized following the interaction of antiprotons with the hydrogen...
Positron plasma control techniques for the production of cold antihydrogen (2007)
Funakoshi, R., Amoretti, M., Bonomi, G., Bowe, P. D., Canali, C., Carraro, C., ...
An observation of a clear dependence of antihydrogen production on positron plasma shapes is reported. For this purpose a plasma control method has been developed combining the plasma rotating-wall...
Agnello, M., Beer, G., Benussi, L., Bertani, M., Bhang, H. C., Bianco, S., ...
The production of neutron rich $\Lambda$-hypernuclei via the ($K^-_stop$,$\pi^+$) reaction has been studied using data collected with the FINUDA spectrometer at the DA$\Phi$NE $\phi$-factory (LNF)....
Agnello, M., Beer, G., Benussi, L., Bertani, M., Bhang, H. C., Bianco, S., ...
Momenta spectra of protons emitted following the capture of $K^-$ in $^6$Li and $^{12}$C have been measured with 1% resolution. The $^{12}$C spectrum is smooth whereas for $^6$Li a well defined peak...
Cold-Antimatter Physics (2005)
Amoretti, ATHENA Collaboration: M., Amsler, C., Bonomi, G., Bowe, P. D., Canali, C., Carraro, C., ...
The CPT theorem and the Weak Equivalence Principle are foundational principles on which the standard description of the fundamental interactions is based. The validity of such basic principles should...
ATHENA : First Production of Cold Antihydrogen and Beyond (2004)
Kellerbauer, A G, Amoretii, M, Amsler, Claude, Bonomi, G, Bowe, P, Canali, C, ...
Atomic systems of antiparticles are the laboratories of choice for tests of CPT symmetry with antimatter. The ATHENA experiment was the first to report the production of copious amounts of cold...
ATHENA -- First Production of Cold Antihydrogen and Beyond (2004)
Kellerbauer, ATHENA Collaboration: A., Amoretti, M., Amsler, C., Bonomi, G., Bowe, P. D., Canali, C., ...
Atomic systems of antiparticles are the laboratories of choice for tests of CPT symmetry with antimatter. The ATHENA experiment was the first to report the production of copious amounts of cold...
Production of Cold Antihydrogen with ATHENA for Fundamental Studies (2004)
Kellerbauer, A G, Kellerbauer, A G, Amoretti, M, Amsler, Claude, Bonomi, G, Bowe, P, ...
Since the beginning of operations of the CERN Antiproton Decelerator in July 2000, the successful deceleration, storage and manipulation of antiprotons has led to remarkable progress in the...
Production of Cold Antihydrogen with ATHENA for Fundamental Studies (2004)
Kellerbauer, ATHENA Collaboration: A., Amoretti, M., Amsler, C., Bonomi, G., Bowe, P. D., Canali, C., ...
Since the beginning of operations of the CERN Antiproton Decelerator in July 2000, the successful deceleration, storage and manipulation of antiprotons has led to remarkable progress in the...
The ATHENA Antihydrogen Apparatus (2004)
Amoretti, M, Amsler, Claude, Bonomi, G, Bouchta, A, Bowe, P, Carraro, C, ...
The ATHENA apparatus that recently produced and detected the first cold antihydrogen atoms is described. Its main features, which are described herein, are: an external positron accumulator, making...
The First Cold Antihydrogen (2004)
Fujiwara, M C, Amoretti, M, Amsler, Claude, Bonomi, G, Bouchta, A, Bowe, P, ...
Antihydrogen, the atomic bound state of an antiproton and a positron, was produced at low energy for the first time by the ATHENA experiment, marking an important first step for precision studies of...
The First Cold Antihydrogen (2004)
Fujiwara, M. C., Amoretti, M., Amsler, C., Bonomi, G., Bouchta, A., Bowe, P. D., ...
Antihydrogen, the atomic bound state of an antiproton and a positron, was produced at low energy for the first time by the ATHENA experiment, marking an important first step for precision studies of...
Three Dimensional Annihilation Imaging of Antiprotons in a Penning Trap (2004)
Fujiwara, M. C., Amoretti, M., Bonomi, G., Bouchta, A., Bowe, P. D., Carraro, C., ...
We demonstrate three-dimensional annihilation imaging of antiprotons trapped in a Penning trap. Exploiting unusual feature of antiparticles, we investigate a previously unexplored regime in particle...
Measurements of Six-Body Hadronic Decays of the $D^0$ Charmed Meson (2004)
Link, J M, Yager, P M, Anjos, J C, Bediaga, I, Göbel, C, Machado, A A, ...
Using data collected by the FOCUS experiment at Fermilab, we report the discovery of the decay modes D^0 --> K- pi+ pi+ pi+ pi- pi- and D^0 --> pi+ pi+ pi+ pi- pi- pi-. With a sample of 48 +/- 10...
Detection of antihydrogen annihilations with a Si-micro-strip and pure CsI detector (2004)
Johnson, I, Amoretti, M, Amsler, Claude, Bazzano, G, Bonomi, G, Bouchta, A, ...
In 2002, the ATHENA collaboration reported the creation and detection of cold (~15 K) antihydrogen atoms [1]. The observation was based on the complete reconstruction of antihydrogen annihilations,...
Positron plasma diagnostics and temperature control for antihydrogen production (2003)
Amoretti, M, Amsler, Claude, Bonomi, G, Bouchta, A, Bowe, P, Carraro, C, ...
Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discuss non-destructive...
Positron plasma diagnostics and temperature control for antihydrogen production (2003)
Amoretti, ATHENA Collaboration: M., Amsler, C., Bonomi, G., Bouchta, A., Bowe, P. D., Carraro, C., ...
Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discuss non-destructive...
First Production and Detection of Cold Antihydrogen Atoms (2003)
Fujiwara, M C, Amoretti, M, Amsler, Claude, Bonomi, G, Bouchta, A, Bowe, P, ...
The ATHENA experiment recently produced the first atoms of cold antihydrogen. This paper gives a brief review of how this was achieved.
First Production and Detection of Cold Antihydrogen Atoms (2003)
Fujiwara, M. C., Amoretti, M., Amsler, C., Bonomi, G., Bouchta, A., Bowe, P., ...
The ATHENA experiment recently produced the first atoms of cold antihydrogen. This paper gives a brief review of how this was achieved.
Production and detection of cold antihydrogen atoms (2002)
Amoretti, M, Amsler, Claude, Bonomi, G, Bouchta, A, Bowe, P, Carraro, C, ...
A theoretical underpinning of the standard model of fundamental particles and interactions is CPT invariance, which requires that the laws of physics be invariant under the combined discrete...
Producing Slow Antihydrogen for a Test of CPT Symmetry with ATHENA (2002)
Fujiwara, M C, Amoretti, M, Amsler, Claude, Bendiscioli, G, Bonomi, G, Bouchta, A, ...
The ATHENA experiment at the Antiproton Decelerator facility at CERN aims at testing CPT symmetry with antihydrogen. An overview of the experiment, together with preliminary results of development...
On the different role of protons and neutrons in antinucleon annihilations on nuclei (2000)
Bianconi, A., Bonomi, G., Bussa, M. P., Gomez, G., Rizzini, E. Lodi, Venturelli, L., ...
We compare data of antineutron and antiproton annihilation cross sections on different targets at very low energies. After subtracting Coulomb effects, we observe that the ratio between the...
Limits on the low energy antinucleon-nucleus annihilations from the Heisenberg principle (2000)
Bianconi, A., Bonomi, G., Bussa, M. P., Rizzini, E. Lodi, Venturelli, L., Zenoni, A.
We show that the quantum uncertainty principle puts some limits on the effectiveness of the antinucleon-nucleus annihilation at very low energies. This is caused by the fact that the realization a...
A phenomenological analysis of antiproton interactions at low energies (2000)
Bianconi, A., Bonomi, G., Bussa, M. P., Rizzini, E. Lodi, Venturelli, L., Zenoni, A.
We present an optical potential analysis of the antiproton-proton interactions at low energies. Our optical potential is purely phenomenological, and has been parametrized on data recently obtained...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Antiproton annihilation on light nuclei at very low energies (2000)
Protasov, K.V., Bonomi, G., Lodi Rizzini, E., Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Bianconi, A., Bonomi, G., Rizzini, E. Lodi, Venturelli, L., Zenoni, A.
We calculate, in a systematic way, the enhancement effect on antiproton-proton and antiproton-nucleus annihilation cross sections at low energy due to the initial state electrostatic interaction...
Antiproton annihilation on light nuclei at very low energies (1999)
Protasov, K. V., Bonomi, G., Rizzini, E. Lodi, Zenoni, A.
The recent experimental data obtained by the OBELIX group on $\bar{p}$D and $\bar{p}^4$He total annihilation cross sections are analyzed. The combined analysis of these data with existing...
Annihilation of antiprotons on nuclear targets at low energies: a simple analysis (1999)
Bianconi, A., Bonomi, G., Rizzini, E. Lodi, Venturelli, L., Zenoni, A.
We set up a plane wave impulse approximation (PWIA) formalism for the analysis of the annihilation cross sections of antinucleons on nuclear targets at very low momenta (below 100 MeV/c), where...