Observation of J/ radiative decay to pseudoscalar

R. M. Baltrusaitis; J. J. Becker; G. T. Blaylock; J. S. Brown; K. O. Bunnell; T. H. Burnett; R. E. Cassell; D. Coffman; V. Cook; D. H. Coward; H. Cui; C. Del Papa; D. E. Dorfan; A. L. Duncan; K. F. Einsweiler; B. I. Eisenstein; R. Fabrizio; G. Gladding; F. Grancagnolo; R. P. Hamilton; J. Hauser; C. A. Heusch; D. G. Hitlin; L. Köpke; P. M. Mockett; L. Moss; R. F. Mozley; A. Nappi; A. Odian; R. Partridge; J. Perrier; S. A. Plaetzer; J. D. Richman; J. R. Roehrig; J. J. Russell; H. F.W. Sadrozinski; M. Scarlatella; T. L. Schalk; R. H. Schindler; A. Seiden; J. C. Sleeman; A. L. Spadafora; J. J. Thaler; W. Toki; Y. Unno; F. Villa; A. Wattenberg; N. Wermes; H. J. Willutzki; D. Wisinski; W. J. Wisniewski

doi:10.1103/PhysRevLett.55.1723

Observation of J/ radiative decay to pseudoscalar

R. M. Baltrusaitis, J. J. Becker, G. T. Blaylock, J. S. Brown, K. O. Bunnell, T. H. Burnett, R. E. Cassell, D. Coffman, V. Cook, D. H. Coward, H. Cui, C. Del Papa, D. E. Dorfan, A. L. Duncan, K. F. Einsweiler, B. I. Eisenstein, R. Fabrizio, G. Gladding, F. Grancagnolo, R. P. HamiltonJ. Hauser, C. A. Heusch, D. G. Hitlin, L. Köpke, P. M. Mockett, L. Moss, R. F. Mozley, A. Nappi, A. Odian, R. Partridge, J. Perrier, S. A. Plaetzer, J. D. Richman, J. R. Roehrig, J. J. Russell, H. F.W. Sadrozinski, M. Scarlatella, T. L. Schalk, R. H. Schindler, A. Seiden, J. C. Sleeman, A. L. Spadafora, J. J. Thaler, W. Toki, Y. Unno, F. Villa, A. Wattenberg, N. Wermes, H. J. Willutzki, D. Wisinski, W. J. Wisniewski

Physics

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

Abstract

We present evidence for the radiative decay J/ with a branching fraction of (1.760.090.45)×10-3. The invariant-mass distribution peaks at 1.8 GeV/c2, just above threshold. Analysis of angular correlations indicates that system below 2 GeV/c2 is predominantly pseudoscalar. Upper limits are presented for the branching fractions of decays of the (1690), the gT states near 2.2 GeV/c2, and the c.

Original language	English (US)
Pages (from-to)	1723-1726
Number of pages	4
Journal	Physical review letters
Volume	55
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.55.1723
State	Published - Jan 1 1985

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.55.1723

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Baltrusaitis, R. M., Becker, J. J., Blaylock, G. T., Brown, J. S., Bunnell, K. O., Burnett, T. H., Cassell, R. E., Coffman, D., Cook, V., Coward, D. H., Cui, H., Del Papa, C., Dorfan, D. E., Duncan, A. L., Einsweiler, K. F., Eisenstein, B. I., Fabrizio, R., Gladding, G., Grancagnolo, F., ... Wisniewski, W. J. (1985). Observation of J/ radiative decay to pseudoscalar. Physical review letters, 55(17), 1723-1726. https://doi.org/10.1103/PhysRevLett.55.1723

Observation of J/ radiative decay to pseudoscalar. / Baltrusaitis, R. M.; Becker, J. J.; Blaylock, G. T.; Brown, J. S.; Bunnell, K. O.; Burnett, T. H.; Cassell, R. E.; Coffman, D.; Cook, V.; Coward, D. H.; Cui, H.; Del Papa, C.; Dorfan, D. E.; Duncan, A. L.; Einsweiler, K. F.; Eisenstein, B. I.; Fabrizio, R.; Gladding, G.; Grancagnolo, F.; Hamilton, R. P.; Hauser, J.; Heusch, C. A.; Hitlin, D. G.; Köpke, L.; Mockett, P. M.; Moss, L.; Mozley, R. F.; Nappi, A.; Odian, A.; Partridge, R.; Perrier, J.; Plaetzer, S. A.; Richman, J. D.; Roehrig, J. R.; Russell, J. J.; Sadrozinski, H. F.W.; Scarlatella, M.; Schalk, T. L.; Schindler, R. H.; Seiden, A.; Sleeman, J. C.; Spadafora, A. L.; Thaler, J. J.; Toki, W.; Unno, Y.; Villa, F.; Wattenberg, A.; Wermes, N.; Willutzki, H. J.; Wisinski, D.; Wisniewski, W. J.

In: Physical review letters, Vol. 55, No. 17, 01.01.1985, p. 1723-1726.

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

Baltrusaitis, RM, Becker, JJ, Blaylock, GT, Brown, JS, Bunnell, KO, Burnett, TH, Cassell, RE, Coffman, D, Cook, V, Coward, DH, Cui, H, Del Papa, C, Dorfan, DE, Duncan, AL, Einsweiler, KF, Eisenstein, BI, Fabrizio, R, Gladding, G, Grancagnolo, F, Hamilton, RP, Hauser, J, Heusch, CA, Hitlin, DG, Köpke, L, Mockett, PM, Moss, L, Mozley, RF, Nappi, A, Odian, A, Partridge, R, Perrier, J, Plaetzer, SA, Richman, JD, Roehrig, JR, Russell, JJ, Sadrozinski, HFW, Scarlatella, M, Schalk, TL, Schindler, RH, Seiden, A, Sleeman, JC, Spadafora, AL, Thaler, JJ, Toki, W, Unno, Y, Villa, F, Wattenberg, A, Wermes, N, Willutzki, HJ, Wisinski, D & Wisniewski, WJ 1985, 'Observation of J/ radiative decay to pseudoscalar', Physical review letters, vol. 55, no. 17, pp. 1723-1726. https://doi.org/10.1103/PhysRevLett.55.1723

Baltrusaitis, R. M. ; Becker, J. J. ; Blaylock, G. T. ; Brown, J. S. ; Bunnell, K. O. ; Burnett, T. H. ; Cassell, R. E. ; Coffman, D. ; Cook, V. ; Coward, D. H. ; Cui, H. ; Del Papa, C. ; Dorfan, D. E. ; Duncan, A. L. ; Einsweiler, K. F. ; Eisenstein, B. I. ; Fabrizio, R. ; Gladding, G. ; Grancagnolo, F. ; Hamilton, R. P. ; Hauser, J. ; Heusch, C. A. ; Hitlin, D. G. ; Köpke, L. ; Mockett, P. M. ; Moss, L. ; Mozley, R. F. ; Nappi, A. ; Odian, A. ; Partridge, R. ; Perrier, J. ; Plaetzer, S. A. ; Richman, J. D. ; Roehrig, J. R. ; Russell, J. J. ; Sadrozinski, H. F.W. ; Scarlatella, M. ; Schalk, T. L. ; Schindler, R. H. ; Seiden, A. ; Sleeman, J. C. ; Spadafora, A. L. ; Thaler, J. J. ; Toki, W. ; Unno, Y. ; Villa, F. ; Wattenberg, A. ; Wermes, N. ; Willutzki, H. J. ; Wisinski, D. ; Wisniewski, W. J. / Observation of J/ radiative decay to pseudoscalar. In: Physical review letters. 1985 ; Vol. 55, No. 17. pp. 1723-1726.

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abstract = "We present evidence for the radiative decay J/ with a branching fraction of (1.760.090.45)×10-3. The invariant-mass distribution peaks at 1.8 GeV/c2, just above threshold. Analysis of angular correlations indicates that system below 2 GeV/c2 is predominantly pseudoscalar. Upper limits are presented for the branching fractions of decays of the (1690), the gT states near 2.2 GeV/c2, and the c.",

author = "Baltrusaitis, {R. M.} and Becker, {J. J.} and Blaylock, {G. T.} and Brown, {J. S.} and Bunnell, {K. O.} and Burnett, {T. H.} and Cassell, {R. E.} and D. Coffman and V. Cook and Coward, {D. H.} and H. Cui and {Del Papa}, C. and Dorfan, {D. E.} and Duncan, {A. L.} and Einsweiler, {K. F.} and Eisenstein, {B. I.} and R. Fabrizio and G. Gladding and F. Grancagnolo and Hamilton, {R. P.} and J. Hauser and Heusch, {C. A.} and Hitlin, {D. G.} and L. K{\"o}pke and Mockett, {P. M.} and L. Moss and Mozley, {R. F.} and A. Nappi and A. Odian and R. Partridge and J. Perrier and Plaetzer, {S. A.} and Richman, {J. D.} and Roehrig, {J. R.} and Russell, {J. J.} and Sadrozinski, {H. F.W.} and M. Scarlatella and Schalk, {T. L.} and Schindler, {R. H.} and A. Seiden and Sleeman, {J. C.} and Spadafora, {A. L.} and Thaler, {J. J.} and W. Toki and Y. Unno and F. Villa and A. Wattenberg and N. Wermes and Willutzki, {H. J.} and D. Wisinski and Wisniewski, {W. J.}",

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AU - Baltrusaitis, R. M.

AU - Becker, J. J.

AU - Blaylock, G. T.

AU - Brown, J. S.

AU - Bunnell, K. O.

AU - Burnett, T. H.

AU - Cassell, R. E.

AU - Coffman, D.

AU - Cook, V.

AU - Coward, D. H.

AU - Cui, H.

AU - Del Papa, C.

AU - Dorfan, D. E.

AU - Duncan, A. L.

AU - Einsweiler, K. F.

AU - Eisenstein, B. I.

AU - Fabrizio, R.

AU - Gladding, G.

AU - Grancagnolo, F.

AU - Hamilton, R. P.

AU - Hauser, J.

AU - Heusch, C. A.

AU - Hitlin, D. G.

AU - Köpke, L.

AU - Mockett, P. M.

AU - Moss, L.

AU - Mozley, R. F.

AU - Nappi, A.

AU - Odian, A.

AU - Partridge, R.

AU - Perrier, J.

AU - Plaetzer, S. A.

AU - Richman, J. D.

AU - Roehrig, J. R.

AU - Russell, J. J.

AU - Sadrozinski, H. F.W.

AU - Scarlatella, M.

AU - Schalk, T. L.

AU - Schindler, R. H.

AU - Seiden, A.

AU - Sleeman, J. C.

AU - Spadafora, A. L.

AU - Thaler, J. J.

AU - Toki, W.

AU - Unno, Y.

AU - Villa, F.

AU - Wattenberg, A.

AU - Wermes, N.

AU - Willutzki, H. J.

AU - Wisinski, D.

AU - Wisniewski, W. J.

PY - 1985/1/1

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