Measurement of the mass difference m(Ds+)-m(D +) at CDF II

D. Acosta, T. Affolder, M. H. Ahn, T. Akimoto, M. G. Albrow, B. Alcorn, C. Alexander, D. Allen, D. Allspach, P. Amaral, D. Ambrose, S. R. Amendolia, D. Amidei, J. Amundson, A. Anastassov, J. Anderson, K. Anikeev, A. Annovi, J. Antos, M. AokiG. Apollinari, J. F. Arguin, T. Arisawa, A. Artikov, T. Asakawa, W. Ashmanskas, A. Attal, C. Avanzini, F. Azfar, P. Azzi-Bacchetta, M. Babik, N. Bacchetta, H. Bachacou, W. Badgett, S. Bailey, J. Bakken, A. Barbaro-Galtieri, A. Bardi, M. Bari, G. Barker, V. E. Barnes, B. A. Barnett, S. Baroiant, M. Barone, E. Barsotti, A. Basti, G. Bauer, D. Beckner, F. Bedeschi, S. Behari, S. Belforte, W. H. Bell, G. Bellendir, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas, B. Berg, A. Bhatti, M. Binkley, D. Bisello, M. Bishai, R. E. Blair, C. Blocker, K. Bloom, B. Blumenfeld, A. Bocci, A. Bodek, M. Bogdan, G. Bolla, A. Bolshov, P. S.L. Booth, D. Bortoletto, J. Boudreau, S. Bourov, M. Bowden, D. Box, C. Bromberg, W. Brown, M. Brozovic, E. Brubaker, L. Buckley-Geer, J. Budagov, H. S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Byon-Wagner, K. L. Byrum, S. Cabrera, P. Calafiura, M. Campanelli, M. Campbell, P. Canal, A. Canepa, W. Carithers, D. Carlsmith, R. Carosi, K. Carrell

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Abstract

We present a measurement of the mass difference m(Ds +) -m(D+), where both the Ds+ and D+ are reconstructed in the φπ+ decay channel. This measurement uses 11.6 pb-1 of data collected by CDF II using the new displaced-track trigger. The mass difference is found to be m(D s+)-m(D+) = 99.41±0.38(stat) ±0.21(syst) MeV/c2. copy; 2003 The American Physical Society.

Original languageEnglish
Article number072004
JournalPhysical Review D
Volume68
Issue number7
DOIs
Publication statusPublished - 2003

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Acosta, D., Affolder, T., Ahn, M. H., Akimoto, T., Albrow, M. G., Alcorn, B., Alexander, C., Allen, D., Allspach, D., Amaral, P., Ambrose, D., Amendolia, S. R., Amidei, D., Amundson, J., Anastassov, A., Anderson, J., Anikeev, K., Annovi, A., Antos, J., ... Carrell, K. (2003). Measurement of the mass difference m(Ds+)-m(D +) at CDF II. Physical Review D, 68(7), [072004]. https://doi.org/10.1103/PhysRevD.68.072004