Results from MARK III on the J//psi/ Decays PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Results from MARK III on the J//psi/ Decays PDF full book. Access full book title Results from MARK III on the J//psi/ Decays by . Download full books in PDF and EPUB format.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The MARK III detector at the SPEAR ee/sup /minus// storage ring at SLAC accumulated a data sample of 5.8 × 106 J/[psi] produced in 1982, '83 and '85. Recent results in radiative decays, including different decay modes of the /eta//sub c/ and the search for scalars, are presented. The systematic study of the hadronic decays of the J//psi/ into a vector-tensor meson pair is discussed, and a detailed analysis of the decay mode J//psi/ .-->. .omega.f2(1270) is described. 12 refs., 12 figs., 1 tab.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The MARK III detector at the SPEAR ee/sup /minus// storage ring at SLAC accumulated a data sample of 5.8 × 106 J/[psi] produced in 1982, '83 and '85. Recent results in radiative decays, including different decay modes of the /eta//sub c/ and the search for scalars, are presented. The systematic study of the hadronic decays of the J//psi/ into a vector-tensor meson pair is discussed, and a detailed analysis of the decay mode J//psi/ .-->. .omega.f2(1270) is described. 12 refs., 12 figs., 1 tab.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Measurements of the two body decays of the J/[psi] into vector and pseudoscalar meson pairs are presented. Using the measured branching ratios, a phenomenological model of J//psi/ decays indicates that the [eta] and [eta]' are composed only of light and strange quarks, without a gluonium contribution in the [eta]' wavefunction. A measurement of J//psi/ .-->. .gamma pi./sup +/.pi./sup -/.pi./sup +/.pi./sup -/ is presented. The f1 (1285) is observed and its spin and parity are investigated. The /eta//sub c/ is observed to decay to /rho/°/rho/°, and first indications of /eta//sub c/ decays to f2f2 are presented. The spin and parity of the /eta//sub c/ are investigated. 5 figs., 3 figs., 1 tab.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
New results on the zeta(2.2) are reported. Mark III has analyzed new J/psi data and reconfirmed the zeta(2.2) in radiative J/psi decays to K/sub S/°K/sub S/° and KK−. The significances of the signals are 3.6 and 4.5 standard deviations, the masses, 2.232 +- 007 +- 007 and 2.230 +- 006 +- 014 GeV/c2, and the widths, 0.018/sub -.015//sup +.023/ +- 010 and 0.026/sub -.016//sup +.020/ +- 017 GeV/c2, for the K/sub S/°K/sub S/° and KK− modes, respectively. The branching ratios are BR(J/psi .-->. .gamma.zeta, zeta .-->. K/sub S/°K/sub S/°) = (3.2/sub -1.3//sub +1.6/ +- 0.7) x 10−5 and BR(J/psi .-->. .gamma.zeta, zeta .-->. K+K−) = (4.2/sub -1.4//sup +1.7/ +- 0.8) x 10−5. 14 refs., 9 figs.
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 results of amplitude analyses of the Mark III data on the K[sub s][sup 0]K[sub s][sup 0], K[sup+]K[sup -] and[pi][sup+][pi][sup -] systems produced in J/[psi] radiative decay are shown for the mass range 1--2 GeV. The intensity distributions for the amplitudes having J[sup PC] values 0[sup+2] and 2[sup+2] are presented and discussed. The observed strong production of the f[sub 0](1700) in J/[psi] radiative decay suggests that this state may consist primarily of the lightest scalar glueball state. No significant production of spin 2 is observed in the 1.7 GeV mass region.
Author: 
Author: 
Author: 
Author: 
Author: 
Author: ![J/[psi] Radiative Decay to Two Pseudoscalar Mesons from Mark III. PDF](https://books.google.com/books/content/images/frontcover/l-XkjwEACAAJ?fife=w80-h100)
Author: 
Author: 
Author: 
Author: 
Author: