Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest

A. Abele, J. Adomeit, D. S. Armstrong, C. A. Baker, C. J. Batty, M. Benayoun, A. Berdoz, K. Beuchert, S. Bischoff, P. Blüm, K. Braune, D. V. Bugg, T. Case, A. R. Cooper, O. Cramer, K. M. Crowe, H. P. Dietz, N. Djaoshvili, W. Dünnweber, D. Engelhardt & 37 others M. Englert, M. A. Faessler, R. P. Haddock, F. H. Heinsius, M. Herz, N. P. Hessey, P. Hidas, C. Holtzhaußen, P. Illinger, D. Jamnik, B. Kämmle, P. Kammel, T. Kiel, H. Koch, C. Kolo, M. Lakata, H. Matthäy, R. McCrady, J. Meier, C. A. Meyer, L. Montanet, C. N. Pinder, G. Pinter, C. Regenfus, J. Reißmann, W. Röthel, P. Schmidt, I. Scott, R. Seibert, C. Straßburger, U. Strohbusch, M. Suffert, U. Thoma, M. Tischhäuser, C. Völcker, D. Walther, B. Zou

Research output: Contribution to journalArticle

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Abstract

A fresh analysis is reported of high statistics Crystal Barrel data on p̄p → 3π0, ηηπ0, ηπ0π0 and ηη1 π0 at rest. This analysis is made fully consistent with CERN-Munich data on π+π- → π+π- up to a mass of 1900 MeV, with GAMS data on π+π- → π0π0, and with BNL and ANL data on π+π- → KK̄, which are fitted simultaneously. There is evidence for an I = 0, JPC = 2++ resonance with weak (≤ 7%) coupling to ππ, strong coupling to both ρρ and ωω and pole position 1534 - i90 MeV. This resonance agrees qualitatively with GAMS and VES data on ππ → ωω, previously interpreted in terms of a resonance at 1590-1640 MeV. New masses and widths for (A) f0(1370) and (B) f0(1500), fitted to all eight data sets, are MA = 1300 ± 15 MeV, ΓA = 230 ± 15 MeV, MB = 1500 ± 8 MeV, ΓB = 132 ± 15 MeV. Branching ratios to ππ and ηη are given, and differ significantly from earlier determinations because of a new procedure.

Original languageEnglish
Pages (from-to)562-584
Number of pages23
JournalNuclear Physics A
Volume609
Issue number4
DOIs
Publication statusPublished - Nov 25 1996

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Keywords

  • Analyzed 3π, 2ηπ, η2π production data
  • Deduced f and f resonances, widths
  • Nuclear reactions H(p-bar, X), E at rest

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Abele, A., Adomeit, J., Armstrong, D. S., Baker, C. A., Batty, C. J., Benayoun, M., ... Zou, B. (1996). Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest. Nuclear Physics A, 609(4), 562-584. https://doi.org/10.1016/S0375-9474(96)00306-5

Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest. / Abele, A.; Adomeit, J.; Armstrong, D. S.; Baker, C. A.; Batty, C. J.; Benayoun, M.; Berdoz, A.; Beuchert, K.; Bischoff, S.; Blüm, P.; Braune, K.; Bugg, D. V.; Case, T.; Cooper, A. R.; Cramer, O.; Crowe, K. M.; Dietz, H. P.; Djaoshvili, N.; Dünnweber, W.; Engelhardt, D.; Englert, M.; Faessler, M. A.; Haddock, R. P.; Heinsius, F. H.; Herz, M.; Hessey, N. P.; Hidas, P.; Holtzhaußen, C.; Illinger, P.; Jamnik, D.; Kämmle, B.; Kammel, P.; Kiel, T.; Koch, H.; Kolo, C.; Lakata, M.; Matthäy, H.; McCrady, R.; Meier, J.; Meyer, C. A.; Montanet, L.; Pinder, C. N.; Pinter, G.; Regenfus, C.; Reißmann, J.; Röthel, W.; Schmidt, P.; Scott, I.; Seibert, R.; Straßburger, C.; Strohbusch, U.; Suffert, M.; Thoma, U.; Tischhäuser, M.; Völcker, C.; Walther, D.; Zou, B.

In: Nuclear Physics A, Vol. 609, No. 4, 25.11.1996, p. 562-584.

Research output: Contribution to journalArticle

Abele, A, Adomeit, J, Armstrong, DS, Baker, CA, Batty, CJ, Benayoun, M, Berdoz, A, Beuchert, K, Bischoff, S, Blüm, P, Braune, K, Bugg, DV, Case, T, Cooper, AR, Cramer, O, Crowe, KM, Dietz, HP, Djaoshvili, N, Dünnweber, W, Engelhardt, D, Englert, M, Faessler, MA, Haddock, RP, Heinsius, FH, Herz, M, Hessey, NP, Hidas, P, Holtzhaußen, C, Illinger, P, Jamnik, D, Kämmle, B, Kammel, P, Kiel, T, Koch, H, Kolo, C, Lakata, M, Matthäy, H, McCrady, R, Meier, J, Meyer, CA, Montanet, L, Pinder, CN, Pinter, G, Regenfus, C, Reißmann, J, Röthel, W, Schmidt, P, Scott, I, Seibert, R, Straßburger, C, Strohbusch, U, Suffert, M, Thoma, U, Tischhäuser, M, Völcker, C, Walther, D & Zou, B 1996, 'Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest', Nuclear Physics A, vol. 609, no. 4, pp. 562-584. https://doi.org/10.1016/S0375-9474(96)00306-5
Abele A, Adomeit J, Armstrong DS, Baker CA, Batty CJ, Benayoun M et al. Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest. Nuclear Physics A. 1996 Nov 25;609(4):562-584. https://doi.org/10.1016/S0375-9474(96)00306-5
Abele, A. ; Adomeit, J. ; Armstrong, D. S. ; Baker, C. A. ; Batty, C. J. ; Benayoun, M. ; Berdoz, A. ; Beuchert, K. ; Bischoff, S. ; Blüm, P. ; Braune, K. ; Bugg, D. V. ; Case, T. ; Cooper, A. R. ; Cramer, O. ; Crowe, K. M. ; Dietz, H. P. ; Djaoshvili, N. ; Dünnweber, W. ; Engelhardt, D. ; Englert, M. ; Faessler, M. A. ; Haddock, R. P. ; Heinsius, F. H. ; Herz, M. ; Hessey, N. P. ; Hidas, P. ; Holtzhaußen, C. ; Illinger, P. ; Jamnik, D. ; Kämmle, B. ; Kammel, P. ; Kiel, T. ; Koch, H. ; Kolo, C. ; Lakata, M. ; Matthäy, H. ; McCrady, R. ; Meier, J. ; Meyer, C. A. ; Montanet, L. ; Pinder, C. N. ; Pinter, G. ; Regenfus, C. ; Reißmann, J. ; Röthel, W. ; Schmidt, P. ; Scott, I. ; Seibert, R. ; Straßburger, C. ; Strohbusch, U. ; Suffert, M. ; Thoma, U. ; Tischhäuser, M. ; Völcker, C. ; Walther, D. ; Zou, B. / Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest. In: Nuclear Physics A. 1996 ; Vol. 609, No. 4. pp. 562-584.
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abstract = "A fresh analysis is reported of high statistics Crystal Barrel data on p̄p → 3π0, ηηπ0, ηπ0π0 and ηη1 π0 at rest. This analysis is made fully consistent with CERN-Munich data on π+π- → π+π- up to a mass of 1900 MeV, with GAMS data on π+π- → π0π0, and with BNL and ANL data on π+π- → KK̄, which are fitted simultaneously. There is evidence for an I = 0, JPC = 2++ resonance with weak (≤ 7{\%}) coupling to ππ, strong coupling to both ρρ and ωω and pole position 1534 - i90 MeV. This resonance agrees qualitatively with GAMS and VES data on ππ → ωω, previously interpreted in terms of a resonance at 1590-1640 MeV. New masses and widths for (A) f0(1370) and (B) f0(1500), fitted to all eight data sets, are MA = 1300 ± 15 MeV, ΓA = 230 ± 15 MeV, MB = 1500 ± 8 MeV, ΓB = 132 ± 15 MeV. Branching ratios to ππ and ηη are given, and differ significantly from earlier determinations because of a new procedure.",
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T1 - Further analysis of p̄p → 3π0, ηηπ0 and ηπ0π0 at rest

AU - Abele, A.

AU - Adomeit, J.

AU - Armstrong, D. S.

AU - Baker, C. A.

AU - Batty, C. J.

AU - Benayoun, M.

AU - Berdoz, A.

AU - Beuchert, K.

AU - Bischoff, S.

AU - Blüm, P.

AU - Braune, K.

AU - Bugg, D. V.

AU - Case, T.

AU - Cooper, A. R.

AU - Cramer, O.

AU - Crowe, K. M.

AU - Dietz, H. P.

AU - Djaoshvili, N.

AU - Dünnweber, W.

AU - Engelhardt, D.

AU - Englert, M.

AU - Faessler, M. A.

AU - Haddock, R. P.

AU - Heinsius, F. H.

AU - Herz, M.

AU - Hessey, N. P.

AU - Hidas, P.

AU - Holtzhaußen, C.

AU - Illinger, P.

AU - Jamnik, D.

AU - Kämmle, B.

AU - Kammel, P.

AU - Kiel, T.

AU - Koch, H.

AU - Kolo, C.

AU - Lakata, M.

AU - Matthäy, H.

AU - McCrady, R.

AU - Meier, J.

AU - Meyer, C. A.

AU - Montanet, L.

AU - Pinder, C. N.

AU - Pinter, G.

AU - Regenfus, C.

AU - Reißmann, J.

AU - Röthel, W.

AU - Schmidt, P.

AU - Scott, I.

AU - Seibert, R.

AU - Straßburger, C.

AU - Strohbusch, U.

AU - Suffert, M.

AU - Thoma, U.

AU - Tischhäuser, M.

AU - Völcker, C.

AU - Walther, D.

AU - Zou, B.

PY - 1996/11/25

Y1 - 1996/11/25

N2 - A fresh analysis is reported of high statistics Crystal Barrel data on p̄p → 3π0, ηηπ0, ηπ0π0 and ηη1 π0 at rest. This analysis is made fully consistent with CERN-Munich data on π+π- → π+π- up to a mass of 1900 MeV, with GAMS data on π+π- → π0π0, and with BNL and ANL data on π+π- → KK̄, which are fitted simultaneously. There is evidence for an I = 0, JPC = 2++ resonance with weak (≤ 7%) coupling to ππ, strong coupling to both ρρ and ωω and pole position 1534 - i90 MeV. This resonance agrees qualitatively with GAMS and VES data on ππ → ωω, previously interpreted in terms of a resonance at 1590-1640 MeV. New masses and widths for (A) f0(1370) and (B) f0(1500), fitted to all eight data sets, are MA = 1300 ± 15 MeV, ΓA = 230 ± 15 MeV, MB = 1500 ± 8 MeV, ΓB = 132 ± 15 MeV. Branching ratios to ππ and ηη are given, and differ significantly from earlier determinations because of a new procedure.

AB - A fresh analysis is reported of high statistics Crystal Barrel data on p̄p → 3π0, ηηπ0, ηπ0π0 and ηη1 π0 at rest. This analysis is made fully consistent with CERN-Munich data on π+π- → π+π- up to a mass of 1900 MeV, with GAMS data on π+π- → π0π0, and with BNL and ANL data on π+π- → KK̄, which are fitted simultaneously. There is evidence for an I = 0, JPC = 2++ resonance with weak (≤ 7%) coupling to ππ, strong coupling to both ρρ and ωω and pole position 1534 - i90 MeV. This resonance agrees qualitatively with GAMS and VES data on ππ → ωω, previously interpreted in terms of a resonance at 1590-1640 MeV. New masses and widths for (A) f0(1370) and (B) f0(1500), fitted to all eight data sets, are MA = 1300 ± 15 MeV, ΓA = 230 ± 15 MeV, MB = 1500 ± 8 MeV, ΓB = 132 ± 15 MeV. Branching ratios to ππ and ηη are given, and differ significantly from earlier determinations because of a new procedure.

KW - Analyzed 3π, 2ηπ, η2π production data

KW - Deduced f and f resonances, widths

KW - Nuclear reactions H(p-bar, X), E at rest

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