Measurement of the branching ratios ψ′→e+e-, ψ′→J/ψπ0π0 and ψ′→J/ψη

M. Ambrogiani; S. Bagnasco; W. Baldini; D. Bettoni; G. Borreani; A. Buzzo; R. Calabrese; M. Cardarelli; R. Cester; P. Dalpiaz; I. 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; R. Mussa; M. M. Obertino; M. Pallavicini; N. Pastrone; C. 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; M. Stancari; J. Streets; A. Tomaradze; S. Werkema; G. Zioulas

Measurement of the branching ratios ψ′→e⁺e^-, ψ′→J/ψπ⁰π⁰ and ψ′→J/ψη

M. Ambrogiani, S. Bagnasco, W. Baldini, D. Bettoni, G. Borreani, A. Buzzo, R. Calabrese, M. Cardarelli, R. Cester, P. Dalpiaz, I. Dobbs-Dixon, X. Fan, G. Garzoglio, K. Gollwitzer, A. Hahn, S. Jin, J. Kasper, G. Lasio, M. Lo Vetere, E. LuppiP. Maas, M. Macrì, M. Mandelkern, F. Marchetto, M. Marinelli, W. Marsh, M. Martini, E. Menichetti, R. Mussa, M. M. Obertino, M. Pallavicini, N. Pastrone, C. 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, M. Stancari, J. Streets, A. Tomaradze, S. Werkema, G. Zioulas

Research output: Contribution to journal › Article › peer-review

Abstract

We have determined the following ψ′ branching ratios using the large event sample collected by Fermilab experiment E835 in the reaction pp̄→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)%.

Original language	English (US)
Article number	032004
Pages (from-to)	1-8
Number of pages	8
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	62
Issue number	3
State	Published - Aug 1 2000

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

Ambrogiani, M., Bagnasco, S., Baldini, W., Bettoni, D., Borreani, G., Buzzo, A., Calabrese, R., Cardarelli, M., Cester, R., Dalpiaz, P., Dobbs-Dixon, I., Fan, X., Garzoglio, G., Gollwitzer, K., Hahn, A., Jin, S., Kasper, J., Lasio, G., Lo Vetere, M., ... Zioulas, G. (2000). Measurement of the branching ratios ψ′→e⁺e^-, ψ′→J/ψπ⁰π⁰ and ψ′→J/ψη. Physical Review D - Particles, Fields, Gravitation and Cosmology, 62(3), 1-8. [032004].

Measurement of the branching ratios ψ′→e⁺e^-, ψ′→J/ψπ⁰π⁰ and ψ′→J/ψη. / Ambrogiani, M.; Bagnasco, S.; Baldini, W.; Bettoni, D.; Borreani, G.; Buzzo, A.; Calabrese, R.; Cardarelli, M.; Cester, R.; Dalpiaz, P.; Dobbs-Dixon, I.; Fan, X.; Garzoglio, G.; Gollwitzer, K.; Hahn, A.; Jin, S.; Kasper, J.; Lasio, G.; Lo Vetere, M.; Luppi, E.; Maas, P.; Macrì, M.; Mandelkern, M.; Marchetto, F.; Marinelli, M.; Marsh, W.; Martini, M.; Menichetti, E.; Mussa, R.; Obertino, M. M.; Pallavicini, M.; Pastrone, N.; Patrignani, C.; Pedlar, T. K.; Peoples, J.; Pordes, S.; Robutti, E.; Rosen, J.; Rumerio, P.; Santroni, A.; Savrié, M.; Schultz, J.; Seth, K. K.; Stancari, G.; Stancari, M.; Streets, J.; Tomaradze, A.; Werkema, S.; Zioulas, G.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 62, No. 3, 032004, 01.08.2000, p. 1-8.

Research output: Contribution to journal › Article › peer-review

Ambrogiani, M, Bagnasco, S, Baldini, W, Bettoni, D, Borreani, G, Buzzo, A, Calabrese, R, Cardarelli, M, Cester, R, Dalpiaz, P, Dobbs-Dixon, I, Fan, X, Garzoglio, G, Gollwitzer, K, Hahn, A, Jin, S, Kasper, J, Lasio, G, Lo Vetere, M, Luppi, E, Maas, P, Macrì, M, Mandelkern, M, Marchetto, F, Marinelli, M, Marsh, W, Martini, M, Menichetti, E, Mussa, R, Obertino, MM, Pallavicini, M, Pastrone, N, Patrignani, C, Pedlar, TK, Peoples, J, Pordes, S, Robutti, E, Rosen, J, Rumerio, P, Santroni, A, Savrié, M, Schultz, J, Seth, KK, Stancari, G, Stancari, M, Streets, J, Tomaradze, A, Werkema, S & Zioulas, G 2000, 'Measurement of the branching ratios ψ′→e⁺e^-, ψ′→J/ψπ⁰π⁰ and ψ′→J/ψη', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 62, no. 3, 032004, pp. 1-8.

Ambrogiani, M. ; Bagnasco, S. ; Baldini, W. ; Bettoni, D. ; Borreani, G. ; Buzzo, A. ; Calabrese, R. ; Cardarelli, M. ; Cester, R. ; Dalpiaz, P. ; Dobbs-Dixon, I. ; Fan, X. ; Garzoglio, G. ; Gollwitzer, K. ; Hahn, A. ; Jin, S. ; Kasper, J. ; Lasio, G. ; Lo Vetere, M. ; Luppi, E. ; Maas, P. ; Macrì, M. ; Mandelkern, M. ; Marchetto, F. ; Marinelli, M. ; Marsh, W. ; Martini, M. ; Menichetti, E. ; Mussa, R. ; Obertino, M. M. ; Pallavicini, M. ; Pastrone, N. ; Patrignani, C. ; Pedlar, T. K. ; Peoples, J. ; Pordes, S. ; Robutti, E. ; Rosen, J. ; Rumerio, P. ; Santroni, A. ; Savrié, M. ; Schultz, J. ; Seth, K. K. ; Stancari, G. ; Stancari, M. ; Streets, J. ; Tomaradze, A. ; Werkema, S. ; Zioulas, G. / Measurement of the branching ratios ψ′→e⁺e^-, ψ′→J/ψπ⁰π⁰ and ψ′→J/ψη. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2000 ; Vol. 62, No. 3. pp. 1-8.

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title = "Measurement of the branching ratios ψ′→e+e-, ψ′→J/ψπ0π0 and ψ′→J/ψη",

abstract = "We have determined the following ψ′ branching ratios using the large event sample collected by Fermilab experiment E835 in the reaction p{\=p}→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)%.",

author = "M. Ambrogiani and S. Bagnasco and W. Baldini and D. Bettoni and G. Borreani and A. Buzzo and R. Calabrese and M. Cardarelli and R. Cester and P. Dalpiaz and I. Dobbs-Dixon and X. Fan and G. Garzoglio and K. Gollwitzer and A. Hahn and S. Jin and J. Kasper and G. Lasio and {Lo Vetere}, M. and E. Luppi and P. Maas and M. Macr{\`i} and M. Mandelkern and F. Marchetto and M. Marinelli and W. Marsh and M. Martini and E. Menichetti and R. Mussa and Obertino, {M. M.} and M. Pallavicini and N. Pastrone and C. Patrignani and Pedlar, {T. K.} and J. Peoples and S. Pordes and E. Robutti and J. Rosen and P. Rumerio and A. Santroni and M. Savri{\'e} and J. Schultz and Seth, {K. K.} and G. Stancari and M. Stancari and J. Streets and A. Tomaradze and S. Werkema and G. Zioulas",

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AU - Ambrogiani, M.

AU - Bagnasco, S.

AU - Baldini, W.

AU - Bettoni, D.

AU - Borreani, G.

AU - Buzzo, A.

AU - Calabrese, R.

AU - Cardarelli, M.

AU - Cester, R.

AU - Dalpiaz, P.

AU - Dobbs-Dixon, I.

AU - Fan, X.

AU - Garzoglio, G.

AU - Gollwitzer, K.

AU - Hahn, A.

AU - Jin, S.

AU - Kasper, J.

AU - Lasio, G.

AU - Lo Vetere, M.

AU - Luppi, E.

AU - Maas, P.

AU - Macrì, M.

AU - Mandelkern, M.

AU - Marchetto, F.

AU - Marinelli, M.

AU - Marsh, W.

AU - Martini, M.

AU - Menichetti, E.

AU - Mussa, R.

AU - Obertino, M. M.

AU - Pallavicini, M.

AU - Pastrone, N.

AU - Patrignani, C.

AU - Pedlar, T. K.

AU - Peoples, J.

AU - Pordes, S.

AU - Robutti, E.

AU - Rosen, J.

AU - Rumerio, P.

AU - Santroni, A.

AU - Savrié, M.

AU - Schultz, J.

AU - Seth, K. K.

AU - Stancari, G.

AU - Stancari, M.

AU - Streets, J.

AU - Tomaradze, A.

AU - Werkema, S.

AU - Zioulas, G.

PY - 2000/8/1

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