Observation of spin flips with a single trapped proton

Radio-frequency induced spin transitions of one individual proton are observed. The spin quantum jumps are detected via the continuous Stern-Gerlach effect, which is used in an experiment with a single proton stored in a cryogenic Penning trap. This is an important milestone towards a direct high-pr...

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Veröffentlicht in:	Physical review letters 2011-06, Vol.106 (25), p.253001-253001, Article 253001
Hauptverfasser:	Ulmer, S, Rodegheri, C C, Blaum, K, Kracke, H, Mooser, A, Quint, W, Walz, J
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCURACY ANGULAR MOMENTUM ANTIMATTER BARYONS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTROMAGNETIC RADIATION ELEMENTARY PARTICLES FERMIONS HADRONS MAGNETIC MOMENTS MATTER NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEONS PARTICLE PROPERTIES PROTONS RADIATIONS RADIOWAVE RADIATION SPIN SPIN FLIP SYMMETRY TRAPPED PROTONS TRAPS
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Beschreibung
Zusammenfassung:	Radio-frequency induced spin transitions of one individual proton are observed. The spin quantum jumps are detected via the continuous Stern-Gerlach effect, which is used in an experiment with a single proton stored in a cryogenic Penning trap. This is an important milestone towards a direct high-precision measurement of the magnetic moment of the proton and a new test of the matter-antimatter symmetry in the baryon sector.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.106.253001