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charmonium z books.google.com
... charmonium level , the nc ' . difficulties because cal- This association causes theoretical culations and measurements of its branching ratios differ by over an order of magnitude . Xyy . " It It is the nc . Evidence for the X ( 2830 ) ...
charmonium z books.google.com
... CHARMONIUM / BAG MODEL Theoretical and high energy physics . Progress report , 1977-1978 ( Summaries of research activities at the University of Minnesota ) , 4 : 17334 ( COO - 1764-342 ) CHARMONIUM / COUPLING Theoretical charmonium ...
charmonium z books.google.com
... charmonium study . We have measured the branching fractions for the various inclusive and exclusive B decays to charmonium modes . We also present the results on non - BB charmonium production at Y ( 4S ) . 1 Introduction The large data ...
charmonium z books.google.com
... charmonium formation via three gluons . 1.3 Charmonium Formation The primary method for creating and studying charmonium states has been in ete collisions . The Crystal Ball experiment is the classic example of this method . At first ...
charmonium z books.google.com
... charmonium states in ete collisions is initial - state radiation , or ISR . In this process either the electron or the positron radiates a photon before the annihilation , thereby lowering the effective center - of - mass energy . As in ...
charmonium z books.google.com
Minghan Ye, Changzheng Yuan. Charmonium and Charmonium-like States Kai Zhu Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China E ... charmonium 123 17. Charmonium and Charmonium-like States 1. Introduction.
charmonium z books.google.com
... CHARMONIUM * Latest Results and Future Prospects Kamal K. Seth Northwestern University , Evanston , IL 60208 , USA 1. INTRODUCTION It all began with charmonium . It is no exaggeration to say that although quarks were proposed in 1964 ...
charmonium z books.google.com
... charmonium states . The expected ratio of X2 cross sections would therefore be : X1 to σ ( X1 ) σ ( X2 ) ≈1 ( 2.1 ) We will point out now that one failure of the CEM is that it cannot describe experimentally - seen variations in the ...
charmonium z books.google.com
... charmonium with pp interactions ; the pp hadronic cross section in the charmonium energy region is about 70 mb , while the charmonium production cross sections are at the pico- barn and nanobarn levels . In order to separate the ...