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Antihydrogen physics: gravitation and spectroscopy in AEgIS (Articolo in rivista)

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Antihydrogen physics: gravitation and spectroscopy in AEgIS (Articolo in rivista) (literal)

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Ferragut R. [ 1,2 ] ; Belov A.S. [ 3 ] ; Bonomi G. [ 5,6 ] ; Boscolo I. [ 1,4 ] ; Brusa R.S. [ 7 ] ; Byakov V.M. [ 8 ] ; Cabaret L. [ 9 ] ; Calloni A. [ 2 ] ; Canali C. [ 10,11 ] ; Carraro C. [ 10,11 ] ; Castelli F. [ 1,4 ] ; Cialdi S. [ 1,4 ] ; Comparat D. [ 9 ] ; Consolati G. [ 1,2 ] ; Dassa L. [ 5,6 ] ; Djourelov .N [ 12 ] ; Doser M. [ 13 ] ; Drobychev G. [ 14 ] ; Dudarev A. [ 13 ] ; Dupasquier A. [ 2 ] ; Ferrari G. [ 15 ] ; Fischer A. [ 16 ] ; Folegati P. [ 2 ] ; Fontana A. [ 5,6 ] ; Formaro L. [ 1,4 ] ; Giammarchi M.G. [ 1 ] ; Gninenko S.N. [ 3 ] ; Heyne R. [ 16 ] ; Hogan S.D. [ 17 ] ; Jorgensen L.V. [ 18 ] ; Kellerbauer A. [ 16 ] ; Krasnicky D. [ 10,11 ] ; Lagomarsino V. [ 10,11 ] ; Manuzio G. [ 10,11 ] ; Mariazzi S. [ 7 ] ; Matveev V.A. [ 3 ] ; Morhard C. [ 16 ] ; Nebbia G. [19,20 ] ; Nedelec P. [ 14 ] ; Oberthaler M.K. [ 21 ] ; Perini D. [ 13 ] ; Petracek V. [ 22 ] ; Prelz F. [ 1 ] ; Prevedelli M. [ 15 ] ; Al-Qaradawi I.Y. [ 18 ] ; Quasso F. [ 2 ] ; Riccardi C. [ 5,6 ] ; Rohne O. [ 23 ] ; Rotondi A. [ 5,6 ] ; Sacerdoti M. [ 4 ] ; Sandaker H. [ 24 ] ; Sillou D. [ 14 ] ; Stepanov S. [ 9 ] ; Stroke H.H. [ 25 ] ; Testera G. [ 10,11 ] ; Trezzi D. [ 1,4 ] ; Turbabin A.V. [ 3 ] ; Vaccarone R. [ 10,11 ] ; Villa F. [ 1,4 ] ; Warring U. [ 16 ] ; Zavatarelli S. [ 10,11 ] ; Zenoni A. [ 5,6 ] ; Zvezhinskij D.S. [ 9 ] (2011)
Antihydrogen physics: gravitation and spectroscopy in AEgIS
in Canadian journal of physics (Print)
(literal)

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Ferragut R. [ 1,2 ] ; Belov A.S. [ 3 ] ; Bonomi G. [ 5,6 ] ; Boscolo I. [ 1,4 ] ; Brusa R.S. [ 7 ] ; Byakov V.M. [ 8 ] ; Cabaret L. [ 9 ] ; Calloni A. [ 2 ] ; Canali C. [ 10,11 ] ; Carraro C. [ 10,11 ] ; Castelli F. [ 1,4 ] ; Cialdi S. [ 1,4 ] ; Comparat D. [ 9 ] ; Consolati G. [ 1,2 ] ; Dassa L. [ 5,6 ] ; Djourelov .N [ 12 ] ; Doser M. [ 13 ] ; Drobychev G. [ 14 ] ; Dudarev A. [ 13 ] ; Dupasquier A. [ 2 ] ; Ferrari G. [ 15 ] ; Fischer A. [ 16 ] ; Folegati P. [ 2 ] ; Fontana A. [ 5,6 ] ; Formaro L. [ 1,4 ] ; Giammarchi M.G. [ 1 ] ; Gninenko S.N. [ 3 ] ; Heyne R. [ 16 ] ; Hogan S.D. [ 17 ] ; Jorgensen L.V. [ 18 ] ; Kellerbauer A. [ 16 ] ; Krasnicky D. [ 10,11 ] ; Lagomarsino V. [ 10,11 ] ; Manuzio G. [ 10,11 ] ; Mariazzi S. [ 7 ] ; Matveev V.A. [ 3 ] ; Morhard C. [ 16 ] ; Nebbia G. [19,20 ] ; Nedelec P. [ 14 ] ; Oberthaler M.K. [ 21 ] ; Perini D. [ 13 ] ; Petracek V. [ 22 ] ; Prelz F. [ 1 ] ; Prevedelli M. [ 15 ] ; Al-Qaradawi I.Y. [ 18 ] ; Quasso F. [ 2 ] ; Riccardi C. [ 5,6 ] ; Rohne O. [ 23 ] ; Rotondi A. [ 5,6 ] ; Sacerdoti M. [ 4 ] ; Sandaker H. [ 24 ] ; Sillou D. [ 14 ] ; Stepanov S. [ 9 ] ; Stroke H.H. [ 25 ] ; Testera G. [ 10,11 ] ; Trezzi D. [ 1,4 ] ; Turbabin A.V. [ 3 ] ; Vaccarone R. [ 10,11 ] ; Villa F. [ 1,4 ] ; Warring U. [ 16 ] ; Zavatarelli S. [ 10,11 ] ; Zenoni A. [ 5,6 ] ; Zvezhinskij D.S. [ 9 ] (literal)

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[ 1 ] Ist Nazl Fis Nucl, I-20133 Milan, Italy [ 2 ] Politecn Milan, Dept Phys, I-20133 Milan, Italy [ 3 ] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia [ 4 ] Univ Milan, Dept Phys, I-20133 Milan, Italy [ 5 ] Ist Nazl Fis Nucl, I-27100 Pavia, Italy [ 6 ] Univ Pavia, Dept Phys, I-27100 Pavia, Italy [ 7 ] Univ Trent, Dept Phys, I-38100 Povo, Italy [ 8 ] Inst Theoret & Expt Phys, Moscow 117218, Russia [ 9 ] Univ Paris 11, CNRS, Aime Cotton Lab, F-91405 Orsay, France [ 10 ] Ist Nazl Fis Nucl, I-16146 Genoa, Italy [ 11 ] Univ Genoa, Dept Phys, I-16146 Genoa, Italy [ 12 ] Inst Nucl Energy Res, Sofia 1784, Bulgaria [ 13 ] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland [ 14 ] Lab Annecy Le Vieux Phys Particules, F-74941 Annecy, France [ 15 ] Univ Florence, CNR, INO, Ist Nazl Fis Nucl,LENS, I-50019 Florence, Italy [ 16 ] Max Planck Inst Nucl Phys, D-69029 Heidelberg, Germany [ 17 ] ETH, Phys Chem Lab, CH-8093 Zurich, Switzerland [ 18 ] Qatar Univ, Doha, Qatar [ 19 ] Ist Nazl Fis Nucl, I-35131 Padua, Italy [ 20 ] Univ Padua, Dept Phys, I-35131 Padua, Italy [ 21 ] Univ Heidelberg, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany [ 22 ] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague, Czech Republic [ 23 ] Univ Oslo, Dept Phys, NO-0316 Oslo, Norway [ 24 ] Univ Bermen, Dept Phys & Technol, NO-5007 Bergen, Norway [ 25 ] NYU, Dept Phys, New York, NY 10003 USA (literal)

Titolo

Abstract

AEgIS (Antimatter experiment: gravity, interferometry, spectroscopy) is an experiment approved by CERN with the goal of studying antihydrogen physics. In AEgIS, antihydrogen will be produced by charge exchange reactions of cold antiprotons with positronium atoms excited in a Rydberg state (n > 20). In the first phase of the experiment, controlled acceleration by an electric field gradient (Stark effect) and subsequent measurement of free fall in a Moire deflectometer will allow a test of the weak equivalence principle. In a second phase, the antihydrogen will be slowed, confined, and laser-cooled to perform CPT studies and detailed spectroscopy. In the present work, after a general description of the experiment, the present status of advancement will be reviewed, with special attention to the production and excitation of positronium atoms. (literal)

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