Measurement of the branching ratiosψ′→e+e−,ψ′→J/ψπ0π0andψ′→J/ψη
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Measurement of the branching ratiosψ′→e+e−,ψ′→J/ψπ0π0andψ′→J/ψη

M. Ambrogiani,S. Bagnasco,W. Baldini,D. Bettoni,G. Borreani,A. Buzzo,R. Calabrese,M. Cardarelli,R. Cester,P. Dalpiaz,Ian Dobbs-Dixon,X. Fan,G. Garzoglio,K. Gollwitzer,A. Hahn,S. Jin,J. Kasper,G. Lasio,M. Lo Vetere,E. Luppi,P. Maas,M. Macrì,M. Mandelkern,F. Marchetto,M. Marinelli,W. Marsh,M. Martini,E. Menichetti,Roberto Mussa,M. M. Obertino,Marco Pallavicini,N. Pastrone,Claudia Patrignani,T. K. Pedlar,J. Peoples,S. Pordes,E. Robutti,J. Rosen,P. Rumerio,A. Santroni,M. Savrié,J. Schultz,K. K. Seth,G. Stancari,J. Streets,A. Tomaradze,S. Werkema,G. Zioulas;M. Ambrogiani;S. Bagnasco;W. Baldini;D. Bettoni;G. Borreani;A. Buzzo;R. Calabrese;M. Cardarelli;R. Cester;P. Dalpiaz;Ian Dobbs-Dixon;X. Fan;G. Garzoglio;K. Gollwitzer;A. Hahn;S. Jin;J. Kasper;G. Lasio;M. Lo Vetere;E. Luppi;P. Maas;M. Macrì;M. Mandelkern;F. Marchetto;M. Marinelli;W. Marsh;M. Martini;E. Menichetti;Roberto Mussa;M. M. Obertino;Marco Pallavicini;N. Pastrone;Claudia Patrignani;T. K. Pedlar;J. Peoples;S. Pordes;E. Robutti;J. Rosen;P. Rumerio;A. Santroni;M. Savrié;J. Schultz;K. K. Seth;G. Stancari;J. Streets;A. Tomaradze;S. Werkema;G. Zioulas;
physical review d 2000 Vol. 62 pp. 032004-
134
zioulas2000physicalmeasurement

Abstract

We have determined the following ψ′ branching ratios using the large event sample collected by Fermilab experiment E835 in the reaction pp¯→ψ′: B(ψ′→e+e−)=(7.4±0.2±0.7)×10−3, B(ψ′→J/ψπ0π0)=(18.7±0.9±1.3)% and B(ψ′→J/ψη)=(4.1±0.3±0.5)%.

Keywords

fermilab e835 j/ψη branching ratiosψ j/ψπ0π0andψ

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DOI:
10.1103/physrevd.62.032004
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https://sciprofiles.com/publication/view/d80167972...

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