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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
First results from the MARK III detector at SPEAR are presented based on 2.7 million J/psi decays. The eta/sub c/ is observed in three modes, J/psi ..-->.. ..gamma..eta/sub c/, (eta/sub c/ ..-->.. rho anti rho, eta..pi ... pi..−, and phi phi). Using the phi phi mode, the eta/sub c/ spin-parity is determined to be 0−. The known radiative J/psi decays J/psi ..-->.. ..gamma..f(f ..-->.. ..pi ... pi..−), ..gamma..eta'(eta' ..-->.. ..gamma..rho°, eta..pi..+..pi..−), ..gamma..f'(f' ..-->.. kappa+kappa−), ..gamma..theta(theta ..-->.. kappa anti kappa), and ..gamma..iota(iota ..-->.. ..pi..kappa anti kappa) are observed and their branching ratios found to be in agreement with previous measurements. In the J/psi ..-->.. ..gamma..kappa+kappa− mode a new state is observed at 2.22 GeV and in the J/psi ..-->.. ..gamma gamma..rho° and ..gamma..eta..pi../sup +/..pi..− modes evidence for new structures near 1.4 GeV is presented. 29 references.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
First results from the MARK III detector at SPEAR are presented based on 2.7 million J/psi decays. The eta/sub c/ is observed in three modes, J/psi ..-->.. ..gamma..eta/sub c/, (eta/sub c/ ..-->.. rho anti rho, eta..pi ... pi..−, and phi phi). Using the phi phi mode, the eta/sub c/ spin-parity is determined to be 0−. The known radiative J/psi decays J/psi ..-->.. ..gamma..f(f ..-->.. ..pi ... pi..−), ..gamma..eta'(eta' ..-->.. ..gamma..rho°, eta..pi..+..pi..−), ..gamma..f'(f' ..-->.. kappa+kappa−), ..gamma..theta(theta ..-->.. kappa anti kappa), and ..gamma..iota(iota ..-->.. ..pi..kappa anti kappa) are observed and their branching ratios found to be in agreement with previous measurements. In the J/psi ..-->.. ..gamma..kappa+kappa− mode a new state is observed at 2.22 GeV and in the J/psi ..-->.. ..gamma gamma..rho° and ..gamma..eta..pi../sup +/..pi..− modes evidence for new structures near 1.4 GeV is presented. 29 references.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The MARK III detector, operating at SPEAR, has collected approx. 2.7 x 106 phi decays and 4500 nb−1 of phi'' decays. Preliminary results from the full phi samples are presented.
Author: Publisher: ISBN: Category : Power resources Languages : en Pages : 900
Book Description
Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Author: United States. Congress. House. Committee on Science, Space, and Technology Publisher: ISBN: Category : Nuclear physics Languages : en Pages : 1090
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications Publisher: ISBN: Category : Fossil fuels Languages : en Pages : 1160
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications Publisher: ISBN: Category : Particle accelerators Languages : en Pages : 660
Author: R. Fernandez Alvarez-Estrada Publisher: Elsevier ISBN: 1483257290 Category : Science Languages : en Pages : 729
Book Description
EPS - High Energy Physics '89 presents the proceeding of the International Europhysics Conference on High Energy physics, held in Madrid, Spain, on September 6–13, 1989. This book outlines several topics on the interface between cosmology/astrophysics and particle physics. Organized into two parts encompassing 181 chapters, this compilation of papers begins with an overview of the implications of the cosmic light element abundances. This text then examines the various aspects of lattice field theory. Other chapters consider the theoretical evidence of a fundamental length in string theory and outline the main features of the higher order corrections to the heavy quark inclusive cross section. This book discusses as well the theory of heavy quark production in hadron collision. The final chapter deals with the idea of low-energy supersymmetry, which relates the scale of supersymmetry breaking to the origin and stability of the electroweak scale. This book is a valuable resource for astrophysicists, physicists, and scientists.
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Author: J. Thanh Van Tran
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Author: United States. Congress. House. Committee on Science, Space, and Technology
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications
Author: R. Fernandez Alvarez-Estrada