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ELECTROMAGNETIC FORM-FACTOR OF D-ASTERISK-]D TRANSITION IN THE TIME-LIKE REGION
Date
1994-12-01
Author
Alıyev, Tahmasıb
PAK, NK
REKALO, MP
Metadata
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The internal conversion process D* --> De(+) e(-), and D*($) over bar D-pair production in e(+) e(-) -collisions, e(+) e(-) --> D*($) over bar D, which are described by the same electromagnetic form factor with time-like momentum transfer, have been analyzed. After carrying out a general analysis of the kinematical aspects of the one-photon mechanism has been performed and the predictions of the vector-dominance model for the D* --> D transition form factor are discussed. It is shown that use of the asymptotic behaviour of the form factors of D*(+,0) --> D(+,0)gamma*-transitions and the theoretical values of constants of D*(+,0) --> D(+,0)gamma radiative decay enables one to determine part of the unknown parameters of these form factors. The coefficient of the internal conversion for D* --> De(+) e(-) is calculated and is shown to be model independent.
Subject Keywords
Physics and Astronomy (miscellaneous)
,
Engineering (miscellaneous)
URI
https://hdl.handle.net/11511/35399
Journal
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
DOI
https://doi.org/10.1007/bf01957777
Collections
Department of Physics, Article
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T. Alıyev, N. PAK, and M. REKALO, “ELECTROMAGNETIC FORM-FACTOR OF D-ASTERISK-]D TRANSITION IN THE TIME-LIKE REGION,”
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
, pp. 683–688, 1994, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35399.