A study of the centrally produced π+π-π+π- channel in pp interactions at 450 GeV/c

D. Barberis; W. Beusch; F. G. Binon; A. M. Blick; F. E. Close; K. M. Danielsen; A. V. Dolgopolov; S. V. Donskov; B. C. Earl; D. Evans; B. R. French; T. Hino; S. Inaba; A. V. Inyakin; T. Ishida; A. Jacholkowski; T. Jacobsen; G. V. Khaustov; T. Kinashi; J. B. Kinson; A. Kirk; W. Klempt; V. Kolosov; A. A. Kondashov; A. A. Lednev; V. Lenti; S. Maljukov; P. Martinengo; I. Minashvili; K. Myklebost; T. Nakagawa; K. L. Norman; J. M. Olsen; J. P. Peigneux; S. A. Polovnikov; V. A. Polyakov; Yu D. Prokoshkin; V. Romanovsky; H. Rotscheidt; V. Rumyantsev; N. Russakovich; V. D. Samoylenko; A. Semenov; M. Sené; R. Sené; P. M. Shagin; H. Shimizu; A. V. Singovsky; A. Sobol; A. Solovjev; M. Stassinaki; J. P. Stroot; V. P. Sugonyaev; K. Takamatsu; G. Tchlatchidze; T. Tsuru; G. Vassiliadis; M. Venables; O. Villalobos Baillie; M. F. Votruba; Y. Yasu

doi:10.1016/S0370-2693(97)01140-4

A study of the centrally produced π⁺π^-π⁺π^- channel in pp interactions at 450 GeV/c

D. Barberis, W. Beusch, F. G. Binon, A. M. Blick, F. E. Close, K. M. Danielsen, A. V. Dolgopolov, S. V. Donskov, B. C. Earl, D. Evans, B. R. French, T. Hino, S. Inaba, A. V. Inyakin, T. Ishida, A. Jacholkowski, T. Jacobsen, G. V. Khaustov, T. Kinashi, J. B. KinsonA. Kirk, W. Klempt, V. Kolosov, A. A. Kondashov, A. A. Lednev, V. Lenti, S. Maljukov, P. Martinengo, I. Minashvili, K. Myklebost, T. Nakagawa, K. L. Norman, J. M. Olsen, J. P. Peigneux, S. A. Polovnikov, V. A. Polyakov, Yu D. Prokoshkin, V. Romanovsky, H. Rotscheidt, V. Rumyantsev, N. Russakovich, V. D. Samoylenko, A. Semenov, M. Sené, R. Sené, P. M. Shagin, H. Shimizu, A. V. Singovsky, A. Sobol, A. Solovjev, M. Stassinaki, J. P. Stroot, V. P. Sugonyaev, K. Takamatsu, G. Tchlatchidze, T. Tsuru, G. Vassiliadis, M. Venables, O. Villalobos Baillie, M. F. Votruba, Y. Yasu

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

58 Citations (Scopus)

Abstract

The reaction pp → p_f(π⁺ π^- π⁺ π^-)p_s has been studied at 450 GeV/c in an experiment designed to search for gluonic states. A spin analysis has been performed and the dP_T filter applied. In addition to the well known f₁(1285) there is evidence for two J^PC = 2^-+ states called the η₂(1620) and η₂(1875) and a broad scalar called the f₀(2000). The production of these states as a function of the dP_T kinematical filter shows the behaviour expected for qq states. In contrast, there is evidence for two states at 1.45 GeV and at 1.9 GeV which do not show the behaviour observed for qq states.

Original language	English
Pages (from-to)	217-224
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	413
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(97)01140-4
Publication status	Published - 1997 Nov 6
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/S0370-2693(97)01140-4

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Barberis, D., Beusch, W., Binon, F. G., Blick, A. M., Close, F. E., Danielsen, K. M., Dolgopolov, A. V., Donskov, S. V., Earl, B. C., Evans, D., French, B. R., Hino, T., Inaba, S., Inyakin, A. V., Ishida, T., Jacholkowski, A., Jacobsen, T., Khaustov, G. V., Kinashi, T., ... Yasu, Y. (1997). A study of the centrally produced π⁺π^-π⁺π^- channel in pp interactions at 450 GeV/c. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 413(1-2), 217-224. https://doi.org/10.1016/S0370-2693(97)01140-4

A study of the centrally produced π⁺π^-π⁺π^- channel in pp interactions at 450 GeV/c. / Barberis, D.; Beusch, W.; Binon, F. G.; Blick, A. M.; Close, F. E.; Danielsen, K. M.; Dolgopolov, A. V.; Donskov, S. V.; Earl, B. C.; Evans, D.; French, B. R.; Hino, T.; Inaba, S.; Inyakin, A. V.; Ishida, T.; Jacholkowski, A.; Jacobsen, T.; Khaustov, G. V.; Kinashi, T.; Kinson, J. B.; Kirk, A.; Klempt, W.; Kolosov, V.; Kondashov, A. A.; Lednev, A. A.; Lenti, V.; Maljukov, S.; Martinengo, P.; Minashvili, I.; Myklebost, K.; Nakagawa, T.; Norman, K. L.; Olsen, J. M.; Peigneux, J. P.; Polovnikov, S. A.; Polyakov, V. A.; Prokoshkin, Yu D.; Romanovsky, V.; Rotscheidt, H.; Rumyantsev, V.; Russakovich, N.; Samoylenko, V. D.; Semenov, A.; Sené, M.; Sené, R.; Shagin, P. M.; Shimizu, H.; Singovsky, A. V.; Sobol, A.; Solovjev, A.; Stassinaki, M.; Stroot, J. P.; Sugonyaev, V. P.; Takamatsu, K.; Tchlatchidze, G.; Tsuru, T.; Vassiliadis, G.; Venables, M.; Villalobos Baillie, O.; Votruba, M. F.; Yasu, Y.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 413, No. 1-2, 06.11.1997, p. 217-224.

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

Barberis, D, Beusch, W, Binon, FG, Blick, AM, Close, FE, Danielsen, KM, Dolgopolov, AV, Donskov, SV, Earl, BC, Evans, D, French, BR, Hino, T, Inaba, S, Inyakin, AV, Ishida, T, Jacholkowski, A, Jacobsen, T, Khaustov, GV, Kinashi, T, Kinson, JB, Kirk, A, Klempt, W, Kolosov, V, Kondashov, AA, Lednev, AA, Lenti, V, Maljukov, S, Martinengo, P, Minashvili, I, Myklebost, K, Nakagawa, T, Norman, KL, Olsen, JM, Peigneux, JP, Polovnikov, SA, Polyakov, VA, Prokoshkin, YD, Romanovsky, V, Rotscheidt, H, Rumyantsev, V, Russakovich, N, Samoylenko, VD, Semenov, A, Sené, M, Sené, R, Shagin, PM, Shimizu, H, Singovsky, AV, Sobol, A, Solovjev, A, Stassinaki, M, Stroot, JP, Sugonyaev, VP, Takamatsu, K, Tchlatchidze, G, Tsuru, T, Vassiliadis, G, Venables, M, Villalobos Baillie, O, Votruba, MF & Yasu, Y 1997, 'A study of the centrally produced π⁺π^-π⁺π^- channel in pp interactions at 450 GeV/c', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 413, no. 1-2, pp. 217-224. https://doi.org/10.1016/S0370-2693(97)01140-4

Barberis, D. ; Beusch, W. ; Binon, F. G. ; Blick, A. M. ; Close, F. E. ; Danielsen, K. M. ; Dolgopolov, A. V. ; Donskov, S. V. ; Earl, B. C. ; Evans, D. ; French, B. R. ; Hino, T. ; Inaba, S. ; Inyakin, A. V. ; Ishida, T. ; Jacholkowski, A. ; Jacobsen, T. ; Khaustov, G. V. ; Kinashi, T. ; Kinson, J. B. ; Kirk, A. ; Klempt, W. ; Kolosov, V. ; Kondashov, A. A. ; Lednev, A. A. ; Lenti, V. ; Maljukov, S. ; Martinengo, P. ; Minashvili, I. ; Myklebost, K. ; Nakagawa, T. ; Norman, K. L. ; Olsen, J. M. ; Peigneux, J. P. ; Polovnikov, S. A. ; Polyakov, V. A. ; Prokoshkin, Yu D. ; Romanovsky, V. ; Rotscheidt, H. ; Rumyantsev, V. ; Russakovich, N. ; Samoylenko, V. D. ; Semenov, A. ; Sené, M. ; Sené, R. ; Shagin, P. M. ; Shimizu, H. ; Singovsky, A. V. ; Sobol, A. ; Solovjev, A. ; Stassinaki, M. ; Stroot, J. P. ; Sugonyaev, V. P. ; Takamatsu, K. ; Tchlatchidze, G. ; Tsuru, T. ; Vassiliadis, G. ; Venables, M. ; Villalobos Baillie, O. ; Votruba, M. F. ; Yasu, Y. / A study of the centrally produced π⁺π^-π⁺π^- channel in pp interactions at 450 GeV/c. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1997 ; Vol. 413, No. 1-2. pp. 217-224.

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title = "A study of the centrally produced π+π-π+π- channel in pp interactions at 450 GeV/c",

abstract = "The reaction pp → pf(π+ π- π+ π-)ps has been studied at 450 GeV/c in an experiment designed to search for gluonic states. A spin analysis has been performed and the dPT filter applied. In addition to the well known f1(1285) there is evidence for two JPC = 2-+ states called the η2(1620) and η2(1875) and a broad scalar called the f0(2000). The production of these states as a function of the dPT kinematical filter shows the behaviour expected for qq states. In contrast, there is evidence for two states at 1.45 GeV and at 1.9 GeV which do not show the behaviour observed for qq states.",

author = "D. Barberis and W. Beusch and Binon, {F. G.} and Blick, {A. M.} and Close, {F. E.} and Danielsen, {K. M.} and Dolgopolov, {A. V.} and Donskov, {S. V.} and Earl, {B. C.} and D. Evans and French, {B. R.} and T. Hino and S. Inaba and Inyakin, {A. V.} and T. Ishida and A. Jacholkowski and T. Jacobsen and Khaustov, {G. V.} and T. Kinashi and Kinson, {J. B.} and A. Kirk and W. Klempt and V. Kolosov and Kondashov, {A. A.} and Lednev, {A. A.} and V. Lenti and S. Maljukov and P. Martinengo and I. Minashvili and K. Myklebost and T. Nakagawa and Norman, {K. L.} and Olsen, {J. M.} and Peigneux, {J. P.} and Polovnikov, {S. A.} and Polyakov, {V. A.} and Prokoshkin, {Yu D.} and V. Romanovsky and H. Rotscheidt and V. Rumyantsev and N. Russakovich and Samoylenko, {V. D.} and A. Semenov and M. Sen{\'e} and R. Sen{\'e} and Shagin, {P. M.} and H. Shimizu and Singovsky, {A. V.} and A. Sobol and A. Solovjev and M. Stassinaki and Stroot, {J. P.} and Sugonyaev, {V. P.} and K. Takamatsu and G. Tchlatchidze and T. Tsuru and G. Vassiliadis and M. Venables and {Villalobos Baillie}, O. and Votruba, {M. F.} and Y. Yasu",

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doi = "10.1016/S0370-2693(97)01140-4",

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TY - JOUR

T1 - A study of the centrally produced π+π-π+π- channel in pp interactions at 450 GeV/c

AU - Barberis, D.

AU - Beusch, W.

AU - Binon, F. G.

AU - Blick, A. M.

AU - Close, F. E.

AU - Danielsen, K. M.

AU - Dolgopolov, A. V.

AU - Donskov, S. V.

AU - Earl, B. C.

AU - Evans, D.

AU - French, B. R.

AU - Hino, T.

AU - Inaba, S.

AU - Inyakin, A. V.

AU - Ishida, T.

AU - Jacholkowski, A.

AU - Jacobsen, T.

AU - Khaustov, G. V.

AU - Kinashi, T.

AU - Kinson, J. B.

AU - Kirk, A.

AU - Klempt, W.

AU - Kolosov, V.

AU - Kondashov, A. A.

AU - Lednev, A. A.

AU - Lenti, V.

AU - Maljukov, S.

AU - Martinengo, P.

AU - Minashvili, I.

AU - Myklebost, K.

AU - Nakagawa, T.

AU - Norman, K. L.

AU - Olsen, J. M.

AU - Peigneux, J. P.

AU - Polovnikov, S. A.

AU - Polyakov, V. A.

AU - Prokoshkin, Yu D.

AU - Romanovsky, V.

AU - Rotscheidt, H.

AU - Rumyantsev, V.

AU - Russakovich, N.

AU - Samoylenko, V. D.

AU - Semenov, A.

AU - Sené, M.

AU - Sené, R.

AU - Shagin, P. M.

AU - Shimizu, H.

AU - Singovsky, A. V.

AU - Sobol, A.

AU - Solovjev, A.

AU - Stassinaki, M.

AU - Stroot, J. P.

AU - Sugonyaev, V. P.

AU - Takamatsu, K.

AU - Tchlatchidze, G.

AU - Tsuru, T.

AU - Vassiliadis, G.

AU - Venables, M.

AU - Villalobos Baillie, O.

AU - Votruba, M. F.

AU - Yasu, Y.

PY - 1997/11/6

Y1 - 1997/11/6

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AB - The reaction pp → pf(π+ π- π+ π-)ps has been studied at 450 GeV/c in an experiment designed to search for gluonic states. A spin analysis has been performed and the dPT filter applied. In addition to the well known f1(1285) there is evidence for two JPC = 2-+ states called the η2(1620) and η2(1875) and a broad scalar called the f0(2000). The production of these states as a function of the dPT kinematical filter shows the behaviour expected for qq states. In contrast, there is evidence for two states at 1.45 GeV and at 1.9 GeV which do not show the behaviour observed for qq states.

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ER -

A study of the centrally produced π⁺π^-π⁺π^- channel in pp interactions at 450 GeV/c

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