We have measured several branching ratios for psi(') decay using the data collected by the FNAL E835 experiment during the year 2000, obtaining B(psi(')-->e(+)e(-))=0.0068+/-0.0001+/-0.0004, B(psi(')-->J/psipi(+)pi(-))=0.292+/-0.005+/-0.018, B(psi(')-->J/psipi(0)pi(0))=0.167+/-0.005+/-0.014, and B(psi(')-->J/psieta)=0.028+/-0.002+/-0.002. We also present a measurement of the dipion mass distribution in the decays psi(')-->J/psipipi.

Measurement of the branching ratios psi(')-> e(+)e(-), psi '-> J/psi pi pi, and psi '-> J/psi eta

ANDREOTTI, Mirco;CALABRESE, Roberto;CIBINETTO, Gianluigi;DALPIAZ, Pietro;LUPPI, Eleonora;NEGRINI, Matteo;STANCARI, Michelle Dawn;
2005

Abstract

We have measured several branching ratios for psi(') decay using the data collected by the FNAL E835 experiment during the year 2000, obtaining B(psi(')-->e(+)e(-))=0.0068+/-0.0001+/-0.0004, B(psi(')-->J/psipi(+)pi(-))=0.292+/-0.005+/-0.018, B(psi(')-->J/psipi(0)pi(0))=0.167+/-0.005+/-0.014, and B(psi(')-->J/psieta)=0.028+/-0.002+/-0.002. We also present a measurement of the dipion mass distribution in the decays psi(')-->J/psipipi.
2005
Andreotti, Mirco; Bagnasco, S; Baldini, W; Bettoni, D; Borreani, G; Buzzo, A; Calabrese, Roberto; Cester, R; Cibinetto, Gianluigi; Dalpiaz, Pietro; Garzoglio, G; Gollwitzer, Ke; Graham, M; Hu, M; Joffe, D; Kasper, J; Lasio, G; LO VETERE, M; Luppi, Eleonora; Macri, M; Mandelkern, M; Marchetto, F; Marinelli, M; Menichetti, E; Metreveli, Z; Mussa, R; Negrini, Matteo; Obertino, Mm; Pallavicini, M; Pastrone, N; Patrignani, C; Pedlar, Tk; Pordes, S; Robutti, E; Roethel, W; Rosen, Jl; Rumerio, P; Rusack, R; Santroni, A; Schultz, J; Seo, Sh; Seth, Kk; Stancari, G; Stancari, Michelle Dawn; Tomaradze, A; Uman, I; Vidnovic, T; Werkema, S; Zweber, P; CA FNAL EXPT, E835
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1211484
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 6
  • ???jsp.display-item.citation.isi??? 5
social impact