It is shown that the interference between <p(p)over bar> --> J/psi --> e(+)e(-) and <p(p)over bar> --> e(+)e(-) can be measured with good accuracy at Fermilab. Therefore the phase of the strong decay amplitude of the J/psi with respect to the proton magnetic form factor will be obtained. There are hints, from J/psi --> <n(n)over bar> and other J/psi decays, of an unexpected similar to 90 degrees phase. (C) 1997 Published by Elsevier Science B.V.
Measuring the phase of the J/psi strong decay amplitudes
LUPPI, Eleonora
1997
Abstract
It is shown that the interference between--> J/psi --> e(+)e(-) and
--> e(+)e(-) can be measured with good accuracy at Fermilab. Therefore the phase of the strong decay amplitude of the J/psi with respect to the proton magnetic form factor will be obtained. There are hints, from J/psi -->
I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.