Lees, J. P. and Chao, D. S. and Cheng, C. H. and Echenard, B. and Flood, K. T. and Hitlin, D. G. and Miyashita, T. S. and Ongmongkolkul, P. and Porter, F. C. (2014) Antideuteron production in Υ(nS)decays and in e^+e^− → qq[bar] at √s≈10.58 GeV. Physical Review D, 89 (11). Art. No. 111102. ISSN 1550-7998. https://resolver.caltech.edu/CaltechAUTHORS:20140811-123143066
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Abstract
We present measurements of the inclusive production of antideuterons in e^+e^− annihilation into hadrons at ≈10.58 GeV center-of-mass energy and in Υ(1S,2S,3S) decays. The results are obtained using data collected by the BABAR detector at the PEP-II electron-positron collider. Assuming a fireball spectral shape for the emitted antideuteron momentum, we find B(Υ(1S)→d[bar]X)=(2.81±0.49(stat)^(+0.20)_(−0.24)(syst))×10^(−5), B(Υ(2S)→d[bar]X)=(2.64±0.11(stat)^(+0.26)(−0.21)(syst))×10^(−5), B(Υ(3S)→d[bar]X)=(2.33±0.15(stat)^(+0.31)_(−0.28)(syst))×10^(−5), and σ(e^+e^− →d[bar]X)=(9.63±0.41(stat)^(+1.17)_(−1.01)(syst) fb.
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| Alternate Title: | Antideuteron production in Upsilon(nS) decays and in e(+)e(-) -> q(q) over bar at root s approximate to 10.58 GeV | ||||||||||||||||||||||||||||||||
| Additional Information: | © 2014 American Physical Society. Received 19 March 2014; Published 24 June 2014. We are grateful for the excellent luminosity and machine conditions provided by our PEP-II colleagues and for the substantial dedicated effort from the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and kind hospitality. This work is supported by DOE and NSF (USA), NSERC(Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MICIIN (Spain), STFC (United Kingdom). Individuals have received support from the Marie Curie EIF (European Union), the A. P. Sloan Foundation (USA) and the Binational Science Foundation (USA-Israel). | ||||||||||||||||||||||||||||||||
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| Issue or Number: | 11 | ||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20140811-123143066 | ||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140811-123143066 | ||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||
| ID Code: | 48296 | ||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||
| Deposited By: | Joanne McCole | ||||||||||||||||||||||||||||||||
| Deposited On: | 11 Aug 2014 22:08 | ||||||||||||||||||||||||||||||||
| Last Modified: | 09 Mar 2020 13:18 |
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