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CERN Document Server 2,045 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.52 secondes. 
1.
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Measurement of the ground-state hyperfine structure of antihydrogen / Juhász, B ; Barna, D ; Eades, John ; Hayano, R S ; Hori, M (CERN) ; Horváth, D ; Pirkl, Werner ; Widmann, E ; Yamazaki, T
The ASACUSA collaboration at CERN‐AD has recently submitted a proposal to measure the hyperfine splitting of the ground state of antihydrogen in an atomic beam apparatus [ASACUSA proposal addendum, CERN/SPSC 2005‐002, SPSC P‐307 Add.1 (2005)]. The apparatus consists of two sextupoles for spin selection and analysis, and a microwave cavity to flip the spin. [...]
2005 - Published in : AIP Conf. Proc. 796 (2005) 243-246
In : International Conference on Low Energy Antiproton Physics, Bonn, Germany, 16 - 22 May 2005, pp.243-246
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Measurement of the Antihydrogen Hyperfine Structure / Eades, John ; Hayano, R S ; Hori, Masaki (CERN) ; Horváth, D ; Ishikawa, T ; Juhász, B ; Mohri, A ; Pirkl, Werner ; Takács, E ; Widmann, Eberhard (University of Tokyo) et al.
CERN-SPSC-2003-009 ; SPSC-I-226. - 2003.
Access to fulltext document - Access to fulltext document
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Sub-ppm Laser Spectroscopy of Antiprotonic Helium and a CPT-Violation Limit on the Antiprotonic Charge and Mass / Hori, Masaki (CERN) ; Eades, John ; Hayano, R S ; Ishikawa, T ; Sakaguchi, J ; Widmann, E ; Yamaguchi, H ; Tori, H A ; Juhász, B ; Horváth, D et al.
Geneva : CERN, 2001 - Published in : Phys. Rev. Lett. 87 (2001) 093401 APS Published version, local copy: PDF;
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ASACUSA STATUS REPORT - ASACUSA progress during 2010 and plans for 2011 / ASACUSA Collaboration
ASACUSA progress during 2010 and plans for 2011
CERN-SPSC-2011-003 ; SPSC-SR-075. - 2011.
Fulltext
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5.
(37)
Atomic spectroscopy and collisions using slow antiprotons / ASACUSA Collaboration
CERN-SPSC-2000-004 ; SPSC-M-642. - 2000. - 38 p.
Fulltext - Fulltext - CERN library copies
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6.
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Quenching Of Metastable States Of Anitprotonic Helium Atoms By Collisions With H(2) Molecules / Ketzer, B ; Hartmann, F J ; Von Egidy, T ; Maierl, C ; Pohl, R ; Eades, John ; Widmann, E ; Yamazaki, T ; Kumakura, M ; Morita, N et al.
KEK-97-195. - 1997.
Fulltext
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7.
(35)
Laser spectroscopy of metastable states in the $\upsilon = 2$ cascade of antiprotonic $^{3}He$ / Hartmann, F ; Ketzer, B ; Maierl, C ; Pohl, R ; Von Egidy, T ; Hayano, R S ; Hori, Masaki (CERN) ; Ishikawa, T ; Tamura, H ; Torii, H A et al.
1998 - Published in : Phys. Rev. A 58 (1998) 3604 APS Published version, local copy: PDF;
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8.
(32)
Cryogenic Tunable Microwave Cavity at 13 GHz for Hyperfine Spectroscopy of Antiprotonic Helium / Barna, D (KFKI Res. Inst. Part. Nucl. Phys., Budapest) ; Caspers, Friedhelm (CERN) ; Eades, John (CERN) ; Gilg, H (Univ. Tokyo) ; Hayano, R S ; Hori, Masaki (CERN) ; Horváth, M (KFKI Res. Inst. Part. Nucl. Phys., Budapest) ; Hayano, R S (Univ. Tokyo) ; Ishikawa, T (Univ. Tokyo) ; Juhász, B (Inst. Nucl. Res. Hungarian Academy of Sciences, Debrecen) et al.
For the precise measurement of the hyperfine structure of antiprotonic helium microwave radiation of 12.9 GHz frequency is needed, tunable over ±100 MHz. A cylindrical microwave cavity is used whose front and rear faces are meshed to allow the antiprotons and laser beams to enter. [...]
CERN-AB-2005-004; CERN-PH-EP-2004-071.- Geneva : CERN, 2004 - 25 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 533 (2004) 598-611 Fulltext: PDF; - CERN library copies
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9.
(31)
Precise laser spectroscopy of the antiprotonic helium atom and CPT test on antiproton mass and charge / Yamaguchi, H ; Eades, John (CERN) ; Hayano, R S ; Hori, Masaki (CERN) ; Horváth, D ; Ishikawa, T ; Juhász, B ; Sakaguchi, J ; Torii, H A ; Widmann, E et al.
We have measured twelve transition frequencies of the antiprotonic helium atom (pbar-He+) with precisions of 0.1--0.2 ppm using a laser spectroscopic method. The agreement between the experiment and theories was so good that we can put a limit on the proton-antiproton mass (or charge) difference. [...]
nucl-ex/0303006.- Geneva : CERN, 2003 - Published in : Nucl. Phys. A 721 (2003) 473-476 External link: Fulltext
In : 16th International Conference on Particles and Nuclei, Osaka, Japan, 30 Sep - 4 Oct 2002, pp.473-476
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Collisional Effects on the Antiprotonic Helium Hyperfine Structure Measurement / Pask, T (Stefan Meyer Inst. Subatomare Phys.) ; Barna, D (Tokyo Univ.) ; Dax, A (Tokyo Univ.) ; Hayano, S (Tokyo Univ.) ; Hori, M (CERN ; Tokyo Univ.) ; Horváth, D (Budapest, RMKI ; Debrecen, Inst. Nucl. Res.) ; Juhász, B (Stefan Meyer Inst. Subatomare Phys.) ; Malbrunot, C (Stefan Meyer Inst. Subatomare Phys.) ; Marton, J (Stefan Meyer Inst. Subatomare Phys.) ; Ono, N (Tokyo Univ.) et al.
2008 - 13 p. - Published in : AIP Conf. Proc.: 1037 (2008) , pp. 14-161
In : Workshop on Cold Antimatter Plasmas and Application to Fundamental Physics, Okinawa, Japan, 20 - 22 Feb 2008, pp.148-161
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