Contains research objectives and summary of research.Joint Services Electronics Programs (U. S. Army, U. S. Navy, and U. S. Air Force) under Contract DA 28-043-AMC-02536(E)National Science Foundation (Grant GP-13633

Kleppner, Daniel

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V. ATOMIC RESONANCE AND SCATTERINGAcademic and Research StaffProf. D. KleppnerDr. C. A. KocherDr. M. T. MyintDr. D. E. PritchardG. N. CarterF. Y. ChuGraduate StudentsG. A. HawkinsE. M. MattisonF. G. WaltherP. F. WinklerRESEARCH OBJECTIVES AND SUMMARY OF RESEARCHOur group is concerned with atomic structure and interactions. We are also involvedin applications of superconductivity to problems in atomic physics and to the detectionof low-energy signals.1. Spin-Exchange Scattering. We are continuing experiments to measure spin-dependent differential cross sections for low-energy atomic collisions. During the pastyear, we have completed experiments for determining the exchange potential betweenvarious alkalis. We have initiated a study of alkali-molecule collisions, and are under-taking a search for loosely bound triplet molecules.2. High-Field Hydrogen Maser. We have completed a determination of the ratio of8the proton and electron magnetic moments in hydrogen to a precision of one part in 10A determination of the deuteron moment is under way.3. Superconducting Detector. In an attempt to undertake scattering experimentswith atomic hydrogen, we are investigating a new type of superconducting detectordesigned to detect energy pulses of 1 eV or less. The device is potentially capable ofdetecting infrared radiation with unprecedented sensitivity. We have succeeded incounting electrons with the detector and are now investigating its low-energy limit.D. KleppnerThis work was supported by the Joint Services Electronics Programs (U. S. Army,U. S. Navy, and U. S. Air Force) under Contract DA 28-043-AMC-02536(E), and in partby the National Science Foundation (Grant GP-13633).QPR No. 96

Atomic Resonance and Scattering

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Atomic Resonance and Scattering

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