On the narrow dip structure at 1.9 GeV/c2 in diffractive photoproduction

P. L. Frabetti, H. W.K. Cheung, J. P. Cumalat, C. Dallapiccola, J. F. Ginkel, W. E. Johns, M. S. Nehring, E. W. Vaandering, J. N. Butler, S. Cihangir, I. Gaines, P. H. Garbincius, L. Garren, S. A. Gourlay, D. J. Harding, P. Kasper, A. Kreymer, P. Lebrun, S. Shukla, M. VittoneR. Baldini-Ferroli, L. Benussi, M. Bertani, S. Bianco, F. L. Fabbri, S. Pacetti, A. Zallo, C. Cawlfield, R. Culbertson, R. W. Gardner, E. Gottschalk, R. Greene, K. Park, A. Rahimi, J. Wiss, G. Alimonti, G. Bellini, M. Boschini, D. Brambilla, B. Caccianiga, L. Cinquini, M. DiCorato, P. Dini, M. Giammarchi, P. Inzani, F. Leveraro, S. Malvezzi, D. Menasce, E. Meroni, L. Milazzo, L. Moroni, D. Pedrini, L. Perasso, F. Prelz, A. Sala, S. Sala, D. Torretta, D. Buchholz, D. Claes, B. Gobbi, B. O'Reilly, J. M. Bishop, N. M. Cason, C. J. Kennedy, G. N. Kim, T. F. Lin, D. L. Puseljic, R. C. Ruchti, W. D. Shephard, J. A. Swiatek, Z. Y. Wu, V. Arena, G. Boca, G. Bonomi, C. Castoldi, G. Gianini, M. Merlo, S. P. Ratti, C. Riccardi, L. Viola, P. Vitulo, A. M. Lopez, L. Mendez, A. Mirles, E. Montiel, D. Olaya, J. E. Ramirez, C. Rivera, Y. Zhang, J. M. Link, V. S. Paolone, P. M. Yager, J. R. Wilson, J. Cao, M. Hosack, P. D. Sheldon, F. Davenport, K. Cho, K. Danyo, T. Handler, B. G. Cheon, Y. S. Chung, J. S. Kang, K. Y. Kim, K. B. Lee, S. S. Myung

Research output: Contribution to journalArticle

Abstract

The narrow dip observed at 1.9 GeV/c2 by the Fermilab experiment E687 in diffractive photoproduction of 3π+- is examined. The E687 data are refitted, a mechanism is proposed to explain why this resonance appears as a dip, and possible interpretations are discussed.

Original languageEnglish (US)
Pages (from-to)290-296
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume578
Issue number3-4
DOIs
StatePublished - Jan 8 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Frabetti, P. L., Cheung, H. W. K., Cumalat, J. P., Dallapiccola, C., Ginkel, J. F., Johns, W. E., Nehring, M. S., Vaandering, E. W., Butler, J. N., Cihangir, S., Gaines, I., Garbincius, P. H., Garren, L., Gourlay, S. A., Harding, D. J., Kasper, P., Kreymer, A., Lebrun, P., Shukla, S., ... Myung, S. S. (2004). On the narrow dip structure at 1.9 GeV/c2 in diffractive photoproduction. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 578(3-4), 290-296. https://doi.org/10.1016/j.physletb.2003.10.071