Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη

C. Amsler, I. Augustin, C. A. Baker, B. M. Barnett, C. J. Batty, R. Beckmann, K. Beuchert, P. Birien, J. Bistirlich, P. Blüm, R. Bossingham, H. Bossy, K. Braune, D. V. Bugg, M. Burchell, T. Case, A. Cooper, K. M. Crowe, H. P. Dietz, S. von Dombrowski & 50 others M. Doser, W. Dünnweber, D. Engelhardt, M. Englert, M. A. Faessler, C. Felix, G. Folger, R. Hackmann, R. P. Haddock, F. H. Heinsius, N. P. Hessey, P. Hidas, P. Illinger, D. Jamnik, Z. Jávorfi, H. Kalinowsky, B. Kämmle, T. Kiel, E. Klempt, H. Koch, K. Königsmann, C. Kolo, M. Kunze, R. Landua, J. Lüdemann, H. Matthaey, M. Merkel, J. P. Merlo, C. A. Meyer, U. Meyer-Berkhout, L. Montanet, A. Noble, K. Peters, G. Pinter, S. Ravndal, A. H. Sanjari, E. Schäfer, B. Schmid, P. Schmidt, S. Spanier, C. Straßburger, U. Strohbusch, M. Suffert, D. Urner, C. Völcker, D. Walther, U. Wiedner, N. Winter, J. Zoll, C. Zupancic

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Abstract

The results of a measurement of p̄p annihilation at rest into ηηπ0 are presented. Assuming a resonance dominated model for the annihilation process an isoscalar JPC=0++ resonance decaying into ηη is observed with a mass of 1560±25 MeV/c2 and a width of 245±50 MeV/c2.

Original languageEnglish
Pages (from-to)347-354
Number of pages8
JournalPhysics Letters B
Volume291
Issue number3
DOIs
Publication statusPublished - Sep 24 1992

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antiprotons
scalars
protons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Amsler, C., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beckmann, R., ... Zupancic, C. (1992). Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη. Physics Letters B, 291(3), 347-354. https://doi.org/10.1016/0370-2693(92)91057-G

Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη. / Amsler, C.; Augustin, I.; Baker, C. A.; Barnett, B. M.; Batty, C. J.; Beckmann, R.; Beuchert, K.; Birien, P.; Bistirlich, J.; Blüm, P.; Bossingham, R.; Bossy, H.; Braune, K.; Bugg, D. V.; Burchell, M.; Case, T.; Cooper, A.; Crowe, K. M.; Dietz, H. P.; von Dombrowski, S.; Doser, M.; Dünnweber, W.; Engelhardt, D.; Englert, M.; Faessler, M. A.; Felix, C.; Folger, G.; Hackmann, R.; Haddock, R. P.; Heinsius, F. H.; Hessey, N. P.; Hidas, P.; Illinger, P.; Jamnik, D.; Jávorfi, Z.; Kalinowsky, H.; Kämmle, B.; Kiel, T.; Klempt, E.; Koch, H.; Königsmann, K.; Kolo, C.; Kunze, M.; Landua, R.; Lüdemann, J.; Matthaey, H.; Merkel, M.; Merlo, J. P.; Meyer, C. A.; Meyer-Berkhout, U.; Montanet, L.; Noble, A.; Peters, K.; Pinter, G.; Ravndal, S.; Sanjari, A. H.; Schäfer, E.; Schmid, B.; Schmidt, P.; Spanier, S.; Straßburger, C.; Strohbusch, U.; Suffert, M.; Urner, D.; Völcker, C.; Walther, D.; Wiedner, U.; Winter, N.; Zoll, J.; Zupancic, C.

In: Physics Letters B, Vol. 291, No. 3, 24.09.1992, p. 347-354.

Research output: Contribution to journalArticle

Amsler, C, Augustin, I, Baker, CA, Barnett, BM, Batty, CJ, Beckmann, R, Beuchert, K, Birien, P, Bistirlich, J, Blüm, P, Bossingham, R, Bossy, H, Braune, K, Bugg, DV, Burchell, M, Case, T, Cooper, A, Crowe, KM, Dietz, HP, von Dombrowski, S, Doser, M, Dünnweber, W, Engelhardt, D, Englert, M, Faessler, MA, Felix, C, Folger, G, Hackmann, R, Haddock, RP, Heinsius, FH, Hessey, NP, Hidas, P, Illinger, P, Jamnik, D, Jávorfi, Z, Kalinowsky, H, Kämmle, B, Kiel, T, Klempt, E, Koch, H, Königsmann, K, Kolo, C, Kunze, M, Landua, R, Lüdemann, J, Matthaey, H, Merkel, M, Merlo, JP, Meyer, CA, Meyer-Berkhout, U, Montanet, L, Noble, A, Peters, K, Pinter, G, Ravndal, S, Sanjari, AH, Schäfer, E, Schmid, B, Schmidt, P, Spanier, S, Straßburger, C, Strohbusch, U, Suffert, M, Urner, D, Völcker, C, Walther, D, Wiedner, U, Winter, N, Zoll, J & Zupancic, C 1992, 'Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη', Physics Letters B, vol. 291, no. 3, pp. 347-354. https://doi.org/10.1016/0370-2693(92)91057-G
Amsler C, Augustin I, Baker CA, Barnett BM, Batty CJ, Beckmann R et al. Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη. Physics Letters B. 1992 Sep 24;291(3):347-354. https://doi.org/10.1016/0370-2693(92)91057-G
Amsler, C. ; Augustin, I. ; Baker, C. A. ; Barnett, B. M. ; Batty, C. J. ; Beckmann, R. ; Beuchert, K. ; Birien, P. ; Bistirlich, J. ; Blüm, P. ; Bossingham, R. ; Bossy, H. ; Braune, K. ; Bugg, D. V. ; Burchell, M. ; Case, T. ; Cooper, A. ; Crowe, K. M. ; Dietz, H. P. ; von Dombrowski, S. ; Doser, M. ; Dünnweber, W. ; Engelhardt, D. ; Englert, M. ; Faessler, M. A. ; Felix, C. ; Folger, G. ; Hackmann, R. ; Haddock, R. P. ; Heinsius, F. H. ; Hessey, N. P. ; Hidas, P. ; Illinger, P. ; Jamnik, D. ; Jávorfi, Z. ; Kalinowsky, H. ; Kämmle, B. ; Kiel, T. ; Klempt, E. ; Koch, H. ; Königsmann, K. ; Kolo, C. ; Kunze, M. ; Landua, R. ; Lüdemann, J. ; Matthaey, H. ; Merkel, M. ; Merlo, J. P. ; Meyer, C. A. ; Meyer-Berkhout, U. ; Montanet, L. ; Noble, A. ; Peters, K. ; Pinter, G. ; Ravndal, S. ; Sanjari, A. H. ; Schäfer, E. ; Schmid, B. ; Schmidt, P. ; Spanier, S. ; Straßburger, C. ; Strohbusch, U. ; Suffert, M. ; Urner, D. ; Völcker, C. ; Walther, D. ; Wiedner, U. ; Winter, N. ; Zoll, J. ; Zupancic, C. / Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη. In: Physics Letters B. 1992 ; Vol. 291, No. 3. pp. 347-354.
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abstract = "The results of a measurement of p̄p annihilation at rest into ηηπ0 are presented. Assuming a resonance dominated model for the annihilation process an isoscalar JPC=0++ resonance decaying into ηη is observed with a mass of 1560±25 MeV/c2 and a width of 245±50 MeV/c2.",
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T1 - Proton-antiproton annihilation into ηηπ-observation of a scalar resonance decaying into ηη

AU - Amsler, C.

AU - Augustin, I.

AU - Baker, C. A.

AU - Barnett, B. M.

AU - Batty, C. J.

AU - Beckmann, R.

AU - Beuchert, K.

AU - Birien, P.

AU - Bistirlich, J.

AU - Blüm, P.

AU - Bossingham, R.

AU - Bossy, H.

AU - Braune, K.

AU - Bugg, D. V.

AU - Burchell, M.

AU - Case, T.

AU - Cooper, A.

AU - Crowe, K. M.

AU - Dietz, H. P.

AU - von Dombrowski, S.

AU - Doser, M.

AU - Dünnweber, W.

AU - Engelhardt, D.

AU - Englert, M.

AU - Faessler, M. A.

AU - Felix, C.

AU - Folger, G.

AU - Hackmann, R.

AU - Haddock, R. P.

AU - Heinsius, F. H.

AU - Hessey, N. P.

AU - Hidas, P.

AU - Illinger, P.

AU - Jamnik, D.

AU - Jávorfi, Z.

AU - Kalinowsky, H.

AU - Kämmle, B.

AU - Kiel, T.

AU - Klempt, E.

AU - Koch, H.

AU - Königsmann, K.

AU - Kolo, C.

AU - Kunze, M.

AU - Landua, R.

AU - Lüdemann, J.

AU - Matthaey, H.

AU - Merkel, M.

AU - Merlo, J. P.

AU - Meyer, C. A.

AU - Meyer-Berkhout, U.

AU - Montanet, L.

AU - Noble, A.

AU - Peters, K.

AU - Pinter, G.

AU - Ravndal, S.

AU - Sanjari, A. H.

AU - Schäfer, E.

AU - Schmid, B.

AU - Schmidt, P.

AU - Spanier, S.

AU - Straßburger, C.

AU - Strohbusch, U.

AU - Suffert, M.

AU - Urner, D.

AU - Völcker, C.

AU - Walther, D.

AU - Wiedner, U.

AU - Winter, N.

AU - Zoll, J.

AU - Zupancic, C.

PY - 1992/9/24

Y1 - 1992/9/24

N2 - The results of a measurement of p̄p annihilation at rest into ηηπ0 are presented. Assuming a resonance dominated model for the annihilation process an isoscalar JPC=0++ resonance decaying into ηη is observed with a mass of 1560±25 MeV/c2 and a width of 245±50 MeV/c2.

AB - The results of a measurement of p̄p annihilation at rest into ηηπ0 are presented. Assuming a resonance dominated model for the annihilation process an isoscalar JPC=0++ resonance decaying into ηη is observed with a mass of 1560±25 MeV/c2 and a width of 245±50 MeV/c2.

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U2 - 10.1016/0370-2693(92)91057-G

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VL - 291

SP - 347

EP - 354

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 3

ER -