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Observation of the 1S-2S transition in atomic hydrogen in an atomic beam

Journal of Physics B: Atomic, Molecular and Optical Physics 23:11 (1990)

Authors:

CJ Foot, P Hannaford, DN Stacey, CD Thompson, GH Woodman, PEG Baird, JB Swan, GK Woodgate

Abstract:

The authors report the observation of the 1S-2S two-photon transition in atomic hydrogen in an atomic beam, excited by light from a narrow-band continuous-wave laser. The excitation takes place in a collision-free environment and detection of the resonance is carried out by Stark-quenching the metastable atoms some distance from the interaction region. This approach removes the limitations of cell excitation employed in previous experiments with continuous-wave lasers, and should allow the full precision of modern tunable laser techniques to be applied to the 1S-2S transition. It also gives a new method for producing a collimated beam of metastable atoms which has particular applications to a variety of future experiments with cold hydrogen.
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Factorization test using B-bar0-->D*+ pi - and an estimate of fDs using B-->DDs-

Physical review letters 65:24 (1990) 2951-2954

Authors:

D Bortoletto, S Stone
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Measurement of the Lambda c+ decay-asymmetry parameter.

Physical review letters 65:23 (1990) 2842-2845

Authors:

P Avery, D Besson, L Garren, J Yelton, K Kinoshita, FM Pipkin, M Procario, R Wilson, J Wolinski, D Xiao, Y Zhu, R Ammar, P Baringer, D Coppage, R Davis, P Haas, M Kelly, N Kwak, H Lam, S Ro, Y Kubota, JK Nelson, D Perticone, R Poling, R Fulton, T Jensen, DR Johnson, H Kagan, R Kass, F Morrow, J Whitmore, P Wilson, D Bortoletto, W Chen, J Dominick, RL McIlwain, DH Miller, CR Ng, SF Schaffner, EI Shibata, IP Shipsey, W Yao, M Battle, K Sparks, EH Thorndike, C Wang, MS Alam, IJ Kim, WC Li, V Romero, CR Sun, P Wang, MM Zoeller, M Goldberg, T Haupt, N Horwitz, V Jain, MD Mestayer, GC Moneti, Y Rozen, P Rubin, V Sharma, T Skwarnicki, M Thulasidas
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Study of K∗ production in tau decay

Physics Letters B Elsevier 251:1 (1990) 223-228

Authors:

CLEO Collaboration, M Goldberg, T Haupt, N Horwitz, V Jain, MD Mestayer, GC Moneti, Y Rozen, P Rubin, V Sharma, T Skwarnicki, M Thulasidas, G Zhu, SE Csorna, T Letson, J Alexander, M Artuso, C Bebek, K Berkelman, T Browder, DG Cassel, E Cheu, DM Coffman, G Crawford, JW DeWire, PS Drell, R Ehrlich, RS Galik, M Garcia-Sciveres, B Geiser, B Gittelman, SW Gray, AM Halling, DL Hartill, BK Heltsley, K Honscheid, J Kandaswamy, N Katayama, DL Kreinick, JD Lewis, GS Ludwig, J Masui, NB Mistry, J Mevissen, S Nandi, E Nordberg, C O'Grady, D Peterson, M Pisharody, D Riley, M Sapper, M Selen, A Silverman, S Stone, H Worden, M Worris, AJ Sadoff, P Avery, D Besson, L Garren, J Yelton, K Kinoshita, FM Pipkin, M Procario, Richard Wilson, J Wolinski, D Xiao, Y Zhu, R Ammar, P Baringer, D Coppage, P Haas, N Kwak, Ha Lam, S Ro, Y Kubota, JK Nelson, D Perticone, R Poling, R Fulton, T Jensen, DR Johnson, H Kagan, R Kass, F Morrow, J Whitmore, P Wilson, D Bortoletto, W-Y Chen, J Dominick, RL McIlwain, DH Miller, CR Ng, SF Schaffner, EI Shibata, IPJ Shipsey, W-M Yao, K Sparks, EH Thorndike, C-H Wang, MS Alam, IJ Kim, WC Li, V Romero, CR Sun, P-N Wang, MM Zoeller
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Determination of B(Ds+--> phi pi +) via observation of Ds+--> phil+ nu.

Physical review letters 65:13 (1990) 1531-1534

Authors:

J Alexander, M Artuso, C Bebek, K Berkelman, T Browder, DG Cassel, E Cheu, DM Coffman, G Crawford, JW DeWire, PS Drell, R Ehrlich, RS Galik, B Gittelman, SW Gray, AM Halling, DL Hartill, BK Heltsley, J Kandaswamy, N Katayama, DL Kreinick, JD Lewis, GS Ludwig, NB Mistry, J Mueller, S Nandi, E Nordberg, C O'Grady, D Peterson, M Pisharody, D Riley, M Sapper, M Selen, A Silverman, S Stone, H Worden, M Worris, AJ Sadoff, P Avery, D Besson, L Garren, J Yelton, T Bowcock, K Kinoshita, FM Pipkin, M Procario, R Wilson, J Wolinski, D Xiao, Y Zhu, R Ammar, P Baringer, D Coppage, P Haas, M Kelly, N Kwak, H Lam, S Ro, Y Kubota, JK Nelson, D Perticone, R Poling, R Fulton, T Jensen
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