Precision measurement of the Ds*+-Ds+ mass difference
We have measured the vector-pseudoscalar mass splitting M(Ds*+)-M(Ds+)=144.220.470.37 MeV significantly more precisely than the previous world average. We minimize the systematic errors by also measuring the vector-pseudoscalar mass difference M(D*0)-M(D0) using the radiative decay D*0D0, obtaining [M(Ds*+)-M(Ds+)]-[M(D*0)-M(D0)] =2.090.470.37 MeV. This is then combined with our previous high-precision measurement of M(D*0)-M(D0), which used the decay D*0D00. We also measure the mass difference M(Ds+)-M(D+)=99.50.60.3 MeV, using the + decay modes of the Ds+ and D+ mesons. © 1994 The American Physical Society.
About this item
Creator - D. N. Brown
- J. Fast
- R. L. McIlwain
- T. Miao
- D. H., Miller
- M. Modesitt
- D. Payne
- E. I. Shibata
- I. P.J. Shipsey
- P. N. Wang
- M. Battle
- J. Ernst
- Y. Kwon
- S. Roberts
- E. H. Thorndike
- C. H. Wang
- J. Dominick
- M. Lambrecht
- S. Sanghera
- V. Shelkov
- T. Skwarnicki
- R. Stroynowski
- I. Volobouev
- G. Wei
- P. Zadorozhny
- M. Artuso
- M. Goldberg
- D. He
- N. Horwitz
- R. Kennett
- R. Mountain
Date - 1994-01-01
Bowdoin Department or Program - Physics and Astronomy
Access - Open access
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