D Sup 0 Anti D Sup 0 Mixing And Doubly Cabibbo Suppressed Decays Of The D Sup
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D Sup 0 Anti D Sup 0 Mixing And Doubly Cabibbo Suppressed Decays Of The D Sup
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Author :
language : en
Publisher:
Release Date : 2005
D Sup 0 Anti D Sup 0 Mixing And Doubly Cabibbo Suppressed Decays Of The D Sup written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
This report summarizes results from Fermilab experiment E791 on D[sup 0]-[anti D][sup 0] mixing and doubly Cabibbo-suppressed decays of the D[sup +] meson. In order to search for D[sup 0]-[anti D][sup 0] mixing, the authors use only D[sup 0] mesons from D[sup *+] decays in which case the charge of the pion from the D[sup *+] decay identifies the charm quantum number of the D[sup 0] at birth. When the D[sup 0] decays, the charge of the kaon identifies the charm quantum number and this way one can tell if mixing has occurred. This kind of search can be carried out by CLEO II as well and their conclusion was that there is some evidence of a wrong sign signal (0.77 [+-] 0.25 [+-] 0.25)% of the right sign signal. However, because of a lack of lifetime information, they cannot distinguish between doubly Cabibbo-suppressed decays which are expected at the level of the observed signal and mixing. They use their excellent lifetime sensitivity to obtain separate limits. During the past year, the authors have been working on extracting D[sup +] doubly Cabibbo-suppressed decay signals from E791's data sample. These decays are interesting both because they have never been observed and because definite predictions have been made about their rates, based on models of D mesons and their decay mechanisms. Preliminary analyses of 1/3 of the data have now been completed. Figure 3 shows the Cabibbo-favored signal D[sup +] [yields] K[sup [minus]][pi][sup +][pi][sup +] and the next figure shows the signal in the doubly Cabibbo-suppressed mode D[sup +] [yields] K[sup +][pi][sup [minus]][pi][sup [minus]].
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
D Sup 0 Anti D Sup 0 Mixing And Doubly Cabibbo Suppressed Decays Of The Dsup
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Author :
language : en
Publisher:
Release Date : 1994
D Sup 0 Anti D Sup 0 Mixing And Doubly Cabibbo Suppressed Decays Of The Dsup written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
High Energy Physics Ichep 2000 Proceedings Of The 30th International Conference In 2 Volumes
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Author : Chong-sa Lim
language : en
Publisher: World Scientific
Release Date : 2001-04-30
High Energy Physics Ichep 2000 Proceedings Of The 30th International Conference In 2 Volumes written by Chong-sa Lim and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-04-30 with Science categories.
This book presents topics of major interest to the high energy physics community, as well as recent research results.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1995
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1991
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Government reports announcements & index categories.
Search For D Sup 0 Bar D Sup 0 Mixing And A Measurement Of The Doubly Cabibbo Suppressed Decay Rate In D Sup 0 Yields K Pi Decays
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Author :
language : en
Publisher:
Release Date : 2003
Search For D Sup 0 Bar D Sup 0 Mixing And A Measurement Of The Doubly Cabibbo Suppressed Decay Rate In D Sup 0 Yields K Pi Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
We present results of a search for D[sup 0]-[bar D][sup 0] mixing and a measurement of R[sub D], the ratio of doubly Cabibbo-suppressed decays to Cabibbo-favored decays, based on an analysis of D[sup 0][yields] K[sup+][pi][sup -] decays in 57.1 fb[sup -1] of data collected at or just below the[Upsilon](4S) resonance with the BABAR detector at the PEP-II collider. Our results are compatible with no mixing and no CP violation. At the 95% confidence level, allowing for CP violation, we find the mixing parameters x[prime][sup 2]
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1967
Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Nuclear energy categories.
High Energy Physics Index
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Author :
language : en
Publisher:
Release Date : 1992
High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Particles (Nuclear physics) categories.
D Anti D Mixing And Doubly Cabibbo Suppressed Decays Of The D
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Author :
language : en
Publisher:
Release Date : 1994
D Anti D Mixing And Doubly Cabibbo Suppressed Decays Of The D written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
This report summarizes results from Fermilab experiment E791 on D°-{anti D}° mixing and doubly Cabibbo-suppressed decays of the D meson. In order to search for D°-{anti D}° mixing, the authors use only D° mesons from D{sup *+} decays in which case the charge of the pion from the D{sup *+} decay identifies the charm quantum number of the D° at birth. When the D° decays, the charge of the kaon identifies the charm quantum number and this way one can tell if mixing has occurred. This kind of search can be carried out by CLEO II as well and their conclusion was that there is some evidence of a wrong sign signal (0.77 ± 0.25 ± 0.25)% of the right sign signal. However, because of a lack of lifetime information, they cannot distinguish between doubly Cabibbo-suppressed decays which are expected at the level of the observed signal and mixing. They use their excellent lifetime sensitivity to obtain separate limits. During the past year, the authors have been working on extracting D+ doubly Cabibbo-suppressed decay signals from E791s̀ data sample. These decays are interesting both because they have never been observed and because definite predictions have been made about their rates, based on models of D mesons and their decay mechanisms. Preliminary analyses of 1/3 of the data have now been completed. Figure 3 shows the Cabibbo-favored signal D+ → K−?+?+ and the next figure shows the signal in the doubly Cabibbo-suppressed mode D+ → K+?−?−.