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1.
Manipulation and transport of antiprotons for an efficient production of antihydrogen atoms / Tajima, Minori (U. Tokyo (main) ; Wako, RIKEN) ; Kuroda, Naofumi (U. Tokyo (main)) ; Dupre, Pierre (Wako, RIKEN) ; Nagata, Yugo (Wako, RIKEN ; Tokyo U. of Agric. Tech.) ; Radics, Balint (Wako, RIKEN) ; Matsudate, Takuya (U. Tokyo (main)) ; Leali, Marco (U. Brescia) ; Mascagna, Valerio (U. Brescia) ; Venturelli, Luca (U. Brescia) ; Breuker, Horst (CERN) et al.
The ASACUSA collaboration is developing methods to extract and transport antiprotons at 20 eV adiabatically for an efficient production of cold antihydrogen atoms using a direct injection scheme. We successfully observed a high production rate of antihydrogen atoms immediately after the mixing of antiprotons..
2017 - 6 p. - Published in : JPS Conf. Proc. 18 (2017) 011008 Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011008
2.
Antihydrogen synthesis in a double-cusp trap / Kuroda, Naofumi (Tokyo U., Komaba) ; Tajima, Minori (Tokyo U., Komaba ; RIKEN (main)) ; Radics, Balint (RIKEN (main)) ; Dupré, Pierre (RIKEN (main)) ; Nagata, Yugo (Tokyo U. of Agric. Tech.) ; Kaga, Chikato (ADSM, Hiroshima) ; Kanai, Yasuyuki (RIKEN (main)) ; Leali, Marco (Brescia U. ; INFN, Brescia) ; Rizzini, Evandro Lodi (Brescia U. ; INFN, Brescia) ; Mascagna, Valerio (Brescia U. ; INFN, Brescia) et al.
The ASACUSA CUSP experiment plans a high precision spectroscopy of the ground-state hyperfine splitting of antihydrogen to test CPT symmetry. To perform this, a Rabi-like antiatomic beam method has been developed with a novel double-cusp trap. [...]
2017 - 6 p. - Published in : JPS Conf. Proc. 18 (2017) 011009 Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011009
3.
Antihydrogen synthesis in a double-CUSP trap towards test of the CPT-symmetry / Radics, B (Nishina Ctr., RIKEN ; Zurich, ETH) ; Ishikawa, S (Tokyo U., Komaba) ; Kuroda, N (Tokyo U., Komaba) ; Murtagh, D J (Nishina Ctr., RIKEN) ; Nagata, Y (Nishina Ctr., RIKEN) ; Tajima, M (Tokyo U., Komaba) ; Gorp, S (Nishina Ctr., RIKEN) ; Abo, Y (ADSM, Hiroshima) ; Dupre, P (Nishina Ctr., RIKEN) ; Higashi, Y (Tokyo U., Komaba) et al.
The aim of the ASACUSA-CUSP experiment at CERN is to produce a cold, polarised antihydrogen beam and perform a high precision measurement of the ground-state hyperfine transition frequency of the antihydrogen atom and compare it with that of the hydrogen atom using the same spectroscopic beam line. Towards this goal a significant step was successfully accomplished: synthesised antihydrogen atoms have been produced in a CUSP magnetic configuration and detected at the end of our spectrometer beam line in 2012 [1]. [...]
2016 - Published in : Hyperfine Interact. 237 (2016) 156
In : 6th International Symposium on Symmetries in Subatomic Physics, Victoria, Canada, 08 - 12 Jun 2015, pp.156
4.
The ASACUSA CUSP: an antihydrogen experiment / Kuroda, N (Tokyo U., Komaba) ; Ulmer, S (Wako, RIKEN) ; Murtagh, D J (Wako, RIKEN) ; Gorp, S (Wako, RIKEN) ; Nagata, Y (Wako, RIKEN ; Tokyo U. of Agric. Tech.) ; Diermaier, M (Stefan Meyer Inst. Subatomare Phys.) ; Federmann, S (CERN) ; Leali, M (INFN, Brescia ; Brescia U.) ; Malbrunot, C (CERN) ; Mascagna, V (INFN, Brescia ; Brescia U.) et al.
In order to test CPT symmetry between antihydrogen and its counterpart hydrogen, the ASACUSA collaboration plans to perform high precision microwave spectroscopy of ground-state hyperfine splitting of antihydrogen atom in-flight. We have developed an apparatus (“cusp trap”) which consists of a superconducting anti-Helmholtz coil and multiple ring electrodes. [...]
2015 - 8 p. - Published in : Hyperfine Interact. 235 (2015) 13-20
5.
Scintillating bar detector for antiproton annihilations measurements / Corradini, M (Brescia U. ; INFN, Brescia) ; Leali, M (Brescia U. ; INFN, Brescia) ; Rizzini, E Lodi (Brescia U. ; INFN, Brescia) ; Mascagna, V (Brescia U. ; INFN, Brescia) ; Prest, M (Insubria U., Varese ; INFN, Milan Bicocca) ; Vallazza, E (INFN, Trieste) ; Venturelli, L (Brescia U. ; INFN, Brescia)
A detector used in two different experiments of the ASACUSA Collaboration at the CERN Antiproton Decelerator is presented. It consists of several modules, each one made of ~1 m long scintillating bars, which allows the detection of the charged particles produced in the antiproton-nuclei annihilations. [...]
2015 - 6 p. - Published in : Hyperfine Interact. 233 (2015) 53-58
In : 5th International Conference on Exotic Atoms and Related Topics, Vienna, Austria, 15 - 19 Sep 2014, pp.53-58

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2 Rizzini, Evandro Lodi
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