First observation of the reaction γγ→π2→π0π0π0

D. Antreasyan; H. W. Bartels; D. Besset; Ch Bieler; J. K. Bienlein; A. Bizzeti; E. D. Bloom; I. Brock; K. Brockmüller; R. Cabenda; A. Cartacci; M. Cavalli-Sforza; R. Clare; A. Compagnucci; G. Conforto; S. Cooper; R. Cowan; D. Coyne; A. Engler; K. Fairfield; G. Folger; A. Fridman; J. Gaiser; D. Gelphman; G. Glaser; G. Godfrey; K. Graaf; F. H. Heimlich; F. H. Heinsius; R. Hofstadter; J. Irion; Z. Jakubowski; H. Janssen; K. Karch; S. Keh; T. Kiel; H. Kilian; I. Kirkbride; T. Kloiber; M. Kobel; W. Koch; A. C. König; K. Königsmann; R. W. Kraemer; S. Krüger; G. Landi; R. Lee; S. Leffler; R. Lekebusch; A. M. Litke; W. Lockman; S. Lowe; B. Lurz; D. Marlow; H. Marsiske; W. Maschmann; P. McBride; F. Messing; W. J. Metzger; H. Meyer; B. Monteleoni; B. Muryn; R. Nernst; B. Niczyporuk; G. Nowak; C. Peck; P. G. Pelfer; B. Pollock; F. C. Porter; D. Prindle; P. Ratoff; M. Reidenbach; B. Renger; C. Rippich; M. Scheer; P. Schmitt; J. Schotanus; J. Schütte; A. Schwarz; D. Sievers; T. Skwarnicki; V. Stock; K. Strauch; U. Strohbusch; J. Tompkins; H. J. Trost; B. van Uitert; R. T. Van de Walle; H. Vogel; A. Voigt; U. Volland; K. Wachs; K. Wacker; W. Walk; H. Wegener; D. A. Williams; P. Zschorsch

doi:10.1007/BF01614689

First observation of the reaction γγ→π₂→π⁰π⁰π⁰

D. Antreasyan, H. W. Bartels, D. Besset, Ch Bieler, J. K. Bienlein, A. Bizzeti, E. D. Bloom, I. Brock, K. Brockmüller, R. Cabenda, A. Cartacci, M. Cavalli-Sforza, R. Clare, A. Compagnucci, G. Conforto, S. Cooper, R. Cowan, D. Coyne, A. Engler, K. FairfieldG. Folger, A. Fridman, J. Gaiser, D. Gelphman, G. Glaser, G. Godfrey, K. Graaf, F. H. Heimlich, F. H. Heinsius, R. Hofstadter, J. Irion, Z. Jakubowski, H. Janssen, K. Karch, S. Keh, T. Kiel, H. Kilian, I. Kirkbride, T. Kloiber, M. Kobel, W. Koch, A. C. König, K. Königsmann, R. W. Kraemer, S. Krüger, G. Landi, R. Lee, S. Leffler, R. Lekebusch, A. M. Litke, W. Lockman, S. Lowe, B. Lurz, D. Marlow, H. Marsiske, W. Maschmann, P. McBride, F. Messing, W. J. Metzger, H. Meyer, B. Monteleoni, B. Muryn, R. Nernst, B. Niczyporuk, G. Nowak, C. Peck, P. G. Pelfer, B. Pollock, F. C. Porter, D. Prindle, P. Ratoff, M. Reidenbach, B. Renger, C. Rippich, M. Scheer, P. Schmitt, J. Schotanus, J. Schütte, A. Schwarz, D. Sievers, T. Skwarnicki, V. Stock, K. Strauch, U. Strohbusch, J. Tompkins, H. J. Trost, B. van Uitert, R. T. Van de Walle, H. Vogel, A. Voigt, U. Volland, K. Wachs, K. Wacker, W. Walk, H. Wegener, D. A. Williams, P. Zschorsch

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Abstract

The Crystal Ball detector has been used at the DORIS II storage ring at DESY to study the reaction γγ→π⁰π⁰π⁰ in the π⁰π⁰π⁰ invariant mass range from 850 MeV/c² to 2600 MeV/c². An enhancement around 1750 MeV/c² is attributed to the π₂(1670) resonance. The observed π⁰π⁰ invariant mass distribution and the π⁰ angular distributions are consistent with those expected for the decay chain π₂→π⁰f₂(1270)→π⁰π⁰π⁰. From our measurements we find the following resonance parameters: two photon partial width {Mathematical expression}, mass M(π₂)=(1742±31±49)MeV/c₂. and total width {Mathematical expression}.

Original language	English (US)
Pages (from-to)	561-568
Number of pages	8
Journal	Zeitschrift für Physik C Particles and Fields
Volume	48
Issue number	4
DOIs	https://doi.org/10.1007/BF01614689
State	Published - Dec 1990
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1007/BF01614689

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Antreasyan, D., Bartels, H. W., Besset, D., Bieler, C., Bienlein, J. K., Bizzeti, A., Bloom, E. D., Brock, I., Brockmüller, K., Cabenda, R., Cartacci, A., Cavalli-Sforza, M., Clare, R., Compagnucci, A., Conforto, G., Cooper, S., Cowan, R., Coyne, D., Engler, A., ... Zschorsch, P. (1990). First observation of the reaction γγ→π₂→π⁰π⁰π⁰. Zeitschrift für Physik C Particles and Fields, 48(4), 561-568. https://doi.org/10.1007/BF01614689

@article{d0239b12fb0a4c75ba882a643d15a0d7,

title = "First observation of the reaction γγ→π2→π0π0π0",

abstract = "The Crystal Ball detector has been used at the DORIS II storage ring at DESY to study the reaction γγ→π0π0π0 in the π0π0π0 invariant mass range from 850 MeV/c2 to 2600 MeV/c2. An enhancement around 1750 MeV/c2 is attributed to the π2(1670) resonance. The observed π0π0 invariant mass distribution and the π0 angular distributions are consistent with those expected for the decay chain π2→π0f2(1270)→π0π0π0. From our measurements we find the following resonance parameters: two photon partial width \{Mathematical expression\}, mass M(π2)=(1742±31±49)MeV/c2. and total width \{Mathematical expression\}.",

author = "D. Antreasyan and Bartels, \{H. W.\} and D. Besset and Ch Bieler and Bienlein, \{J. K.\} and A. Bizzeti and Bloom, \{E. D.\} and I. Brock and K. Brockm{\"u}ller and R. Cabenda and A. Cartacci and M. Cavalli-Sforza and R. Clare and A. Compagnucci and G. Conforto and S. Cooper and R. Cowan and D. Coyne and A. Engler and K. Fairfield and G. Folger and A. Fridman and J. Gaiser and D. Gelphman and G. Glaser and G. Godfrey and K. Graaf and Heimlich, \{F. H.\} and Heinsius, \{F. H.\} and R. Hofstadter and J. Irion and Z. Jakubowski and H. Janssen and K. Karch and S. Keh and T. Kiel and H. Kilian and I. Kirkbride and T. Kloiber and M. Kobel and W. Koch and K{\"o}nig, \{A. C.\} and K. K{\"o}nigsmann and Kraemer, \{R. W.\} and S. Kr{\"u}ger and G. Landi and R. Lee and S. Leffler and R. Lekebusch and Litke, \{A. M.\} and W. Lockman and S. Lowe and B. Lurz and D. Marlow and H. Marsiske and W. Maschmann and P. McBride and F. Messing and Metzger, \{W. J.\} and H. Meyer and B. Monteleoni and B. Muryn and R. Nernst and B. Niczyporuk and G. Nowak and C. Peck and Pelfer, \{P. G.\} and B. Pollock and Porter, \{F. C.\} and D. Prindle and P. Ratoff and M. Reidenbach and B. Renger and C. Rippich and M. Scheer and P. Schmitt and J. Schotanus and J. Sch{\"u}tte and A. Schwarz and D. Sievers and T. Skwarnicki and V. Stock and K. Strauch and U. Strohbusch and J. Tompkins and Trost, \{H. J.\} and \{van Uitert\}, B. and \{Van de Walle\}, \{R. T.\} and H. Vogel and A. Voigt and U. Volland and K. Wachs and K. Wacker and W. Walk and H. Wegener and Williams, \{D. A.\} and P. Zschorsch",

year = "1990",

month = dec,

doi = "10.1007/BF01614689",

language = "English (US)",

volume = "48",

pages = "561--568",

journal = "Zeitschrift f{\"u}r Physik C Particles and Fields",

issn = "0170-9739",

publisher = "Springer Nature",

number = "4",

}

Antreasyan, D, Bartels, HW, Besset, D, Bieler, C, Bienlein, JK, Bizzeti, A, Bloom, ED, Brock, I, Brockmüller, K, Cabenda, R, Cartacci, A, Cavalli-Sforza, M, Clare, R, Compagnucci, A, Conforto, G, Cooper, S, Cowan, R, Coyne, D, Engler, A, Fairfield, K, Folger, G, Fridman, A, Gaiser, J, Gelphman, D, Glaser, G, Godfrey, G, Graaf, K, Heimlich, FH, Heinsius, FH, Hofstadter, R, Irion, J, Jakubowski, Z, Janssen, H, Karch, K, Keh, S, Kiel, T, Kilian, H, Kirkbride, I, Kloiber, T, Kobel, M, Koch, W, König, AC, Königsmann, K, Kraemer, RW, Krüger, S, Landi, G, Lee, R, Leffler, S, Lekebusch, R, Litke, AM, Lockman, W, Lowe, S, Lurz, B, Marlow, D, Marsiske, H, Maschmann, W, McBride, P, Messing, F, Metzger, WJ, Meyer, H, Monteleoni, B, Muryn, B, Nernst, R, Niczyporuk, B, Nowak, G, Peck, C, Pelfer, PG, Pollock, B, Porter, FC, Prindle, D, Ratoff, P, Reidenbach, M, Renger, B, Rippich, C, Scheer, M, Schmitt, P, Schotanus, J, Schütte, J, Schwarz, A, Sievers, D, Skwarnicki, T, Stock, V, Strauch, K, Strohbusch, U, Tompkins, J, Trost, HJ, van Uitert, B, Van de Walle, RT, Vogel, H, Voigt, A, Volland, U, Wachs, K, Wacker, K, Walk, W, Wegener, H, Williams, DA & Zschorsch, P 1990, 'First observation of the reaction γγ→π₂→π⁰π⁰π⁰', Zeitschrift für Physik C Particles and Fields, vol. 48, no. 4, pp. 561-568. https://doi.org/10.1007/BF01614689

TY - JOUR

T1 - First observation of the reaction γγ→π2→π0π0π0

AU - Antreasyan, D.

AU - Bartels, H. W.

AU - Besset, D.

AU - Bieler, Ch

AU - Bienlein, J. K.

AU - Bizzeti, A.

AU - Bloom, E. D.

AU - Brock, I.

AU - Brockmüller, K.

AU - Cabenda, R.

AU - Cartacci, A.

AU - Cavalli-Sforza, M.

AU - Clare, R.

AU - Compagnucci, A.

AU - Conforto, G.

AU - Cooper, S.

AU - Cowan, R.

AU - Coyne, D.

AU - Engler, A.

AU - Fairfield, K.

AU - Folger, G.

AU - Fridman, A.

AU - Gaiser, J.

AU - Gelphman, D.

AU - Glaser, G.

AU - Godfrey, G.

AU - Graaf, K.

AU - Heimlich, F. H.

AU - Heinsius, F. H.

AU - Hofstadter, R.

AU - Irion, J.

AU - Jakubowski, Z.

AU - Janssen, H.

AU - Karch, K.

AU - Keh, S.

AU - Kiel, T.

AU - Kilian, H.

AU - Kirkbride, I.

AU - Kloiber, T.

AU - Kobel, M.

AU - Koch, W.

AU - König, A. C.

AU - Königsmann, K.

AU - Kraemer, R. W.

AU - Krüger, S.

AU - Landi, G.

AU - Lee, R.

AU - Leffler, S.

AU - Lekebusch, R.

AU - Litke, A. M.

AU - Lockman, W.

AU - Lowe, S.

AU - Lurz, B.

AU - Marlow, D.

AU - Marsiske, H.

AU - Maschmann, W.

AU - McBride, P.

AU - Messing, F.

AU - Metzger, W. J.

AU - Meyer, H.

AU - Monteleoni, B.

AU - Muryn, B.

AU - Nernst, R.

AU - Niczyporuk, B.

AU - Nowak, G.

AU - Peck, C.

AU - Pelfer, P. G.

AU - Pollock, B.

AU - Porter, F. C.

AU - Prindle, D.

AU - Ratoff, P.

AU - Reidenbach, M.

AU - Renger, B.

AU - Rippich, C.

AU - Scheer, M.

AU - Schmitt, P.

AU - Schotanus, J.

AU - Schütte, J.

AU - Schwarz, A.

AU - Sievers, D.

AU - Skwarnicki, T.

AU - Stock, V.

AU - Strauch, K.

AU - Strohbusch, U.

AU - Tompkins, J.

AU - Trost, H. J.

AU - van Uitert, B.

AU - Van de Walle, R. T.

AU - Vogel, H.

AU - Voigt, A.

AU - Volland, U.

AU - Wachs, K.

AU - Wacker, K.

AU - Walk, W.

AU - Wegener, H.

AU - Williams, D. A.

AU - Zschorsch, P.

PY - 1990/12

Y1 - 1990/12

N2 - The Crystal Ball detector has been used at the DORIS II storage ring at DESY to study the reaction γγ→π0π0π0 in the π0π0π0 invariant mass range from 850 MeV/c2 to 2600 MeV/c2. An enhancement around 1750 MeV/c2 is attributed to the π2(1670) resonance. The observed π0π0 invariant mass distribution and the π0 angular distributions are consistent with those expected for the decay chain π2→π0f2(1270)→π0π0π0. From our measurements we find the following resonance parameters: two photon partial width {Mathematical expression}, mass M(π2)=(1742±31±49)MeV/c2. and total width {Mathematical expression}.

AB - The Crystal Ball detector has been used at the DORIS II storage ring at DESY to study the reaction γγ→π0π0π0 in the π0π0π0 invariant mass range from 850 MeV/c2 to 2600 MeV/c2. An enhancement around 1750 MeV/c2 is attributed to the π2(1670) resonance. The observed π0π0 invariant mass distribution and the π0 angular distributions are consistent with those expected for the decay chain π2→π0f2(1270)→π0π0π0. From our measurements we find the following resonance parameters: two photon partial width {Mathematical expression}, mass M(π2)=(1742±31±49)MeV/c2. and total width {Mathematical expression}.

UR - https://www.scopus.com/pages/publications/0001138186

UR - https://www.scopus.com/inward/citedby.url?scp=0001138186&partnerID=8YFLogxK

U2 - 10.1007/BF01614689

DO - 10.1007/BF01614689

M3 - Article

AN - SCOPUS:0001138186

SN - 0170-9739

VL - 48

SP - 561

EP - 568

JO - Zeitschrift für Physik C Particles and Fields

JF - Zeitschrift für Physik C Particles and Fields

IS - 4

ER -

First observation of the reaction γγ→π₂→π⁰π⁰π⁰

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