Dalitz Plot Analysis Of Ds And D Decay To Using The K Matrix Formalism In The Focus Experiment
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Scadron70
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Author : G. Rupp
language : en
Publisher: American Institute of Physics
Release Date : 2008-07-22
Scadron70 written by G. Rupp and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-22 with Science categories.
The light scalar mesons have been posing serious problems to both theorists and experimentalists. Even nowadays there is no consensus whatsoever on the quark structure of these hadronic resonances, some of which are very broad. Nevertheless, the light scalars are of tremendous importance for a better understanding of QCD and strong interactions, with far-reaching implications for nuclear physics as well. The SCADRON70 Workshop managed to bring together many of the leading experts in the field, with invited talks of spokespersons of practically all major experimental collaborations in particle and hadronic physics, besides invited talks given by some renowned theorists. Simultaneously, the Workshop allowed to honor one of the pioneers of scalar mesons, viz. Prof. Michael D. Scadron, at the occasion of his 70th birthday.
Hadron Spectroscopy
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Author : Eberhard Klempt
language : en
Publisher: American Institute of Physics
Release Date : 2004-09-13
Hadron Spectroscopy written by Eberhard Klempt and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-09-13 with Science categories.
The main topic of the conference was the physics of strong interaction and the understanding of how quarks form hadrons, which are part of the atomic nucleus. The proceedings give a comprehensive overview of the present status of the physics of hadrons. Topics include: mesons, baryons, scalars, exotics, heavy quarks, theoretical concepts, hadrons in matter, and reactions. The timing of the conference was very fortunate as many new and surprising results appeared in the months before its start. The highlights were the discussions about the nature of the recently discovered arrow states.
Qcd Work 2005
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Author : Pietro Colangelo
language : en
Publisher: American Institute of Physics
Release Date : 2006-01-13
Qcd Work 2005 written by Pietro Colangelo and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-13 with Science categories.
This volume describes the advances in the theory of strong interactions in its various aspects. Topics covered range from techniques for perturbative calculations to new lattice results; from analysis of the effects of strong interactions in weakly decaying hadrons to the results of the QCD phase diagram and related present and future experimental investigations. The book will interest researchers and graduate students in high energy physics.
Dalitz Plot Analysis Of Ds And D Decay To Using The K Matrix Formalism In The Focus Experiment
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Author : Simona Erba
language : en
Publisher:
Release Date : 2005
Dalitz Plot Analysis Of Ds And D Decay To Using The K Matrix Formalism In The Focus Experiment written by Simona Erba 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.
Intersections Of Particle And Nuclear Physics
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Author : Zohreh Parsa
language : en
Publisher: American Institute of Physics
Release Date : 2000-12-21
Intersections Of Particle And Nuclear Physics written by Zohreh Parsa and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-12-21 with Science categories.
The purpose of this meeting, as with the six previous conferences in this series, was to bring together particle and nuclear physicists to share scientific reports and discuss areas of research which overlap both disciplines. The need for such an interdisciplinary conference was recognized by Alan D. Krisch and Malcolm H. MacFarlane, founding fathers of the CIPANP series. Its relevance has steadily grown as the areas of overlap between particle and nuclear physics have increased. In addition, the success of the standard model has provided a common underpinning for both disciplines as well as similar fundamental goals. Indeed, Quantum Chromodynamics (QCD) has proven to be "the" theory of strong interactions. As such, it forms the basis for nuclear physics as well as high energy hadronic interactions. Topics included are: QCD spectroscopy and dynamics, relativistic heavy ions, QCD and nuclear structure, lepton-hadron and hadron-hadron scattering, heavy quark and heavy lepton physics, spin physics, nuclear and particle astrophysics, neutrinos, accelerators, facilities and detectors, as well as tests of fundamental symmetries.
Proceedings Of The International Conference On High Energy Physics
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Author :
language : en
Publisher:
Release Date : 2002
Proceedings Of The International Conference On High Energy Physics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Nuclear physics categories.
Dalitz Plot Analysis Of The D K Pi Pi Decay In The Focus Experiment
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Author :
language : en
Publisher:
Release Date : 2007
Dalitz Plot Analysis Of The D K Pi Pi Decay In The Focus Experiment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Using data collected by the high energy photoproduction experiment FOCUS at Fermilab we performed a Dalitz plot analysis of the Cabibbo favored decay D → K−?+?+. This study uses 53653 Dalitz-plot events with a signal fraction of ≈ 97%, and represents the highest statistics, most complete Dalitz plot analysis for this channel. Results are presented and discussed using two different formalisms. The first is a simple sum of Breit-Wigner functions with freely fitted masses and widths. It is the model traditionally adopted and serves as comparison with the already published analyses. The second uses a K-matrix approach for the dominant S-wave, in which the parameters are fixed by first fitting K? scattering data and continued to threshold by Chiral Perturbation Theory. We show that the Dalitz plot distribution for this decay is consistent with the assumption of two body dominance of the final state interactions and the description of these interactions is in agreement with other data on the K? final state.
Amplitude Analysis Of The Decay D S To Pi Pi Pi In The Experiment E831 Focus
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Author :
language : en
Publisher:
Release Date : 2005
Amplitude Analysis Of The Decay D S To Pi Pi Pi In The Experiment E831 Focus 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.
We present in this thesis the Dalitz Plot analysis of the D{sub s} →?+?−?+ decay, with the data of the E831/FOCUS, that took data in 1996 and 1997. The masses and widhts of f0(980) and f0(1370) are free parametres of the fit on Dalitz Plot, objectiving to study in detail these resonances. After this analysis we present the Spectator Model study on the S wave in this decay. For this study we used the formalism developed by M. Svec [2] for scattering. We present the comparison between the Isobar Model, frequently used in Dalitz Plot analysis, and this formalism.
Preliminary Study Of D0 K Pi Pi0 Decays With Dalitz Plots
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Author :
language : en
Publisher:
Release Date : 2002
Preliminary Study Of D0 K Pi Pi0 Decays With Dalitz Plots written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Particle physicists study the smallest particles and most basic rules of their interactions in humankind's current scope. The Charm Analysis Working Group (CWG) of the BaBar Collaboration studies decays involving the charm quark. They currently study mixing in D decays, an interesting and poorly understood phenomenon in current physics models. We, as part of the CWG, investigated the plausibility of using Dalitz plots and the BaBar analysis framework to study mixing in Wrong Sign (WS) D° 2!K[pi][pi]° decays. Others in the CWG have studied mixing in the 2-body decay, D° 2!K[pi]. The 3-body decay analyzed with the RooFitDalitz analysis package and Dalitz plots provides more information and another way of separating Doubly Cabibbo Suppressed Decays (DCSD) from mixing--which share the same end products. Through doing many simulations, we have demonstrated the usefulness of this approach. We selected D° 2!K[pi][pi]° events from Simulation Production run No. 4 (SP4) and BaBar's run 1 and run 2. We made Dalitz plots with this data. Now that we better understand Dalitz plots and software, we plan to select WS D° 2!K[pi][pi]° events and perform rate fits as discussed in BaBar Analysis Document (BAD) No. 443, as well as fits for several different decay times and resonances, in order to further distinguish DCSD from mixing.
Dalitz Analysis Of Ds K K Pi
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Author :
language : en
Publisher:
Release Date : 2011
Dalitz Analysis Of Ds K K Pi written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
We perform a Dalitz plot analysis of about 100,000 D{sub s}+ decays to K+K−?+ and measure the complex amplitudes of the intermediate resonances which contribute to this decay mode. We also measure the relative branching fractions of D{sub s}+ → K+K+?− and D{sub s}+ → K+K+K−. For this analysis we use a 384 fb−1 data sample, recorded by the BABAR detector at the PEP-II asymmetric-energy e+e− collider running at center-of-mass energies near 10.58 GeV.