Measurement of the production rates of η and η′ in hadronic Z decays

The decays η → γγ and η′ → ηπ + π − have been observed in hadronic decays of the Z produced at LEP. The fragmentation functions of both the η and η′ have been measured. The measured multiplicities for x > 0.1 are 0.298±0.023±0.021 and 0.068±0.016 for η and η′ respectively. While the fragmentation...

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Veröffentlicht in:	Physics letters. B 1992-10, Vol.292 (1), p.210-220
Hauptverfasser:	Buskulic, D., Ariztizabal, F., Comas, P., Pascual, A., Farilla, A., Maggi, G., Ruggieri, F., Silvestris, L., Hu, H., Lin, J., Wang, T., Xu, D., Jacobsen, R., Lançon, E., Lohse, T., Lusiani, A., Meyer, T., Ranjard, F., Rothberg, J., Witzeling, W., Bardadin-Otwinowska, M., El Fellous, R., Falvard, A., Henrard, P., Jousset, J., Michel, B., Montret, J.-C., Pietrzyk, B., Møllerud, R., Nilsson, B.S., Simopoulou, E., Orteu, S., Rosowsky, A., Candlin, D.J., Bencivenni, G., Bologna, G., D'Ettorre-Piazzoli, B., Mannocchi, G., Pepe-Altarelli, M., Boyle, O., Maitland, W., Smith, K., Thompson, A.S., Rensch, B., Tittel, K., Cattaneo, M., Lieske, N.M., Payne, D.G., Sedgbeer, J.K., Kneringer, E., Patel, A., Carr, J., Drinkard, J., Papalexiou, S., Brown, D., Dydak, F., Halley, A.W., Lauber, J., Männer, W., Richter, R., Stiegler, U., Bertin, V., Chen, X., Cordier, A., Grivaz, J.-F., Zomer, F., Amendolia, S.R., Bosisio, L., Dell'Orso, R., Foà, L., Forti, F., Rizzo, G., Tenchini, R., Tonelli, G., Triggiani, G., Verdini, P.G., Green, M.G., March, P.V., Mir, Ll.M., Medcalf, T., Botterill, D.R., Edgecock, T.R., Edwards, M., Jones, T.J., Kozanecki, W., Roussarie, A., Schuller, J.-P., Si Mohand, D., Vallage, B., Litke, A.M., Taylor, G., Booth, C.N., Carney, R.E., Reeves, P., Schäfer, U., Gobbo, B., Cinabro, D., Gao, Y.S., Pater, J.R., Whitney, M.H.
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Schlagworte:	Classical and quantum physics: mechanics and fields Exact sciences and technology High Energy Physics - Experiment Physics Theory of quantized fields
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creator	Buskulic, D. Ariztizabal, F. Comas, P. Pascual, A. Farilla, A. Maggi, G. Ruggieri, F. Silvestris, L. Hu, H. Lin, J. Wang, T. Xu, D. Jacobsen, R. Lançon, E. Lohse, T. Lusiani, A. Meyer, T. Ranjard, F. Rothberg, J. Witzeling, W. Bardadin-Otwinowska, M. El Fellous, R. Falvard, A. Henrard, P. Jousset, J. Michel, B. Montret, J.-C. Pietrzyk, B. Møllerud, R. Nilsson, B.S. Simopoulou, E. Orteu, S. Rosowsky, A. Candlin, D.J. Bencivenni, G. Bologna, G. D'Ettorre-Piazzoli, B. Mannocchi, G. Pepe-Altarelli, M. Boyle, O. Maitland, W. Smith, K. Thompson, A.S. Rensch, B. Tittel, K. Cattaneo, M. Lieske, N.M. Payne, D.G. Sedgbeer, J.K. Kneringer, E. Patel, A. Carr, J. Drinkard, J. Papalexiou, S. Brown, D. Dydak, F. Halley, A.W. Lauber, J. Männer, W. Richter, R. Stiegler, U. Bertin, V. Chen, X. Cordier, A. Grivaz, J.-F. Zomer, F. Amendolia, S.R. Bosisio, L. Dell'Orso, R. Foà, L. Forti, F. Rizzo, G. Tenchini, R. Tonelli, G. Triggiani, G. Verdini, P.G. Green, M.G. March, P.V. Mir, Ll.M. Medcalf, T. Botterill, D.R. Edgecock, T.R. Edwards, M. Jones, T.J. Kozanecki, W. Roussarie, A. Schuller, J.-P. Si Mohand, D. Vallage, B. Litke, A.M. Taylor, G. Booth, C.N. Carney, R.E. Reeves, P. Schäfer, U. Gobbo, B. Cinabro, D. Gao, Y.S. Pater, J.R. Whitney, M.H.
description	The decays η → γγ and η′ → ηπ + π − have been observed in hadronic decays of the Z produced at LEP. The fragmentation functions of both the η and η′ have been measured. The measured multiplicities for x > 0.1 are 0.298±0.023±0.021 and 0.068±0.016 for η and η′ respectively. While the fragmentation function for the η is fairly well described by the JETSET Monte Carlo, it is found that the production rate of the η′ is a factor of four less than the corresponding prediction.
doi_str_mv	10.1016/0370-2693(92)90633-F
format	Article
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B</title><description>The decays η → γγ and η′ → ηπ + π − have been observed in hadronic decays of the Z produced at LEP. The fragmentation functions of both the η and η′ have been measured. The measured multiplicities for x > 0.1 are 0.298±0.023±0.021 and 0.068±0.016 for η and η′ respectively. While the fragmentation function for the η is fairly well described by the JETSET Monte Carlo, it is found that the production rate of the η′ is a factor of four less than the corresponding prediction.</description><subject>Classical and quantum physics: mechanics and fields</subject><subject>Exact sciences and technology</subject><subject>High Energy Physics - Experiment</subject><subject>Physics</subject><subject>Theory of quantized 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Science</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-7613-8063</orcidid><orcidid>https://orcid.org/0000-0002-2551-5751</orcidid><orcidid>https://orcid.org/0000-0002-1297-8925</orcidid><orcidid>https://orcid.org/0000-0002-5732-4343</orcidid></search><sort><creationdate>19921008</creationdate><title>Measurement of the production rates of η and η′ in hadronic Z decays</title><author>Buskulic, D. ; Ariztizabal, F. ; Comas, P. ; Pascual, A. ; Farilla, A. ; Maggi, G. ; Ruggieri, F. ; Silvestris, L. ; Hu, H. ; Lin, J. ; Wang, T. ; Xu, D. ; Jacobsen, R. ; Lançon, E. ; Lohse, T. ; Lusiani, A. ; Meyer, T. ; Ranjard, F. ; Rothberg, J. ; Witzeling, W. ; Bardadin-Otwinowska, M. ; El Fellous, R. ; Falvard, A. ; Henrard, P. ; Jousset, J. ; Michel, B. ; Montret, J.-C. ; Pietrzyk, B. ; Møllerud, R. ; Nilsson, B.S. ; Simopoulou, E. ; Orteu, S. ; Rosowsky, A. ; Candlin, D.J. ; Bencivenni, G. ; Bologna, G. ; D'Ettorre-Piazzoli, B. ; Mannocchi, G. ; Pepe-Altarelli, M. ; Boyle, O. ; Maitland, W. ; Smith, K. ; Thompson, A.S. ; Rensch, B. ; Tittel, K. ; Cattaneo, M. ; Lieske, N.M. ; Payne, D.G. ; Sedgbeer, J.K. ; Kneringer, E. ; Patel, A. ; Carr, J. ; Drinkard, J. ; Papalexiou, S. ; Brown, D. ; Dydak, F. ; Halley, A.W. ; Lauber, J. ; Männer, W. ; Richter, R. ; Stiegler, U. ; Bertin, V. ; Chen, X. ; Cordier, A. ; Grivaz, J.-F. ; Zomer, F. ; Amendolia, S.R. ; Bosisio, L. ; Dell'Orso, R. ; Foà, L. ; Forti, F. ; Rizzo, G. ; Tenchini, R. ; Tonelli, G. ; Triggiani, G. ; Verdini, P.G. ; Green, M.G. ; March, P.V. ; Mir, Ll.M. ; Medcalf, T. ; Botterill, D.R. ; Edgecock, T.R. ; Edwards, M. ; Jones, T.J. ; Kozanecki, W. ; Roussarie, A. ; Schuller, J.-P. ; Si Mohand, D. ; Vallage, B. ; Litke, A.M. ; Taylor, G. ; Booth, C.N. ; Carney, R.E. ; Reeves, P. ; Schäfer, U. ; Gobbo, B. ; Cinabro, D. ; Gao, Y.S. ; Pater, J.R. ; Whitney, M.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c450t-45923498004aaac952c528e9323ff21634be9b616dc6734f2764befa342d32e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Classical and quantum physics: mechanics and fields</topic><topic>Exact sciences and technology</topic><topic>High Energy Physics - Experiment</topic><topic>Physics</topic><topic>Theory of quantized fields</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Buskulic, D.</creatorcontrib><creatorcontrib>Ariztizabal, F.</creatorcontrib><creatorcontrib>Comas, P.</creatorcontrib><creatorcontrib>Pascual, A.</creatorcontrib><creatorcontrib>Farilla, A.</creatorcontrib><creatorcontrib>Maggi, G.</creatorcontrib><creatorcontrib>Ruggieri, F.</creatorcontrib><creatorcontrib>Silvestris, L.</creatorcontrib><creatorcontrib>Hu, H.</creatorcontrib><creatorcontrib>Lin, J.</creatorcontrib><creatorcontrib>Wang, T.</creatorcontrib><creatorcontrib>Xu, D.</creatorcontrib><creatorcontrib>Jacobsen, R.</creatorcontrib><creatorcontrib>Lançon, E.</creatorcontrib><creatorcontrib>Lohse, T.</creatorcontrib><creatorcontrib>Lusiani, A.</creatorcontrib><creatorcontrib>Meyer, T.</creatorcontrib><creatorcontrib>Ranjard, F.</creatorcontrib><creatorcontrib>Rothberg, J.</creatorcontrib><creatorcontrib>Witzeling, W.</creatorcontrib><creatorcontrib>Bardadin-Otwinowska, M.</creatorcontrib><creatorcontrib>El Fellous, R.</creatorcontrib><creatorcontrib>Falvard, A.</creatorcontrib><creatorcontrib>Henrard, P.</creatorcontrib><creatorcontrib>Jousset, J.</creatorcontrib><creatorcontrib>Michel, B.</creatorcontrib><creatorcontrib>Montret, J.-C.</creatorcontrib><creatorcontrib>Pietrzyk, B.</creatorcontrib><creatorcontrib>Møllerud, R.</creatorcontrib><creatorcontrib>Nilsson, B.S.</creatorcontrib><creatorcontrib>Simopoulou, E.</creatorcontrib><creatorcontrib>Orteu, S.</creatorcontrib><creatorcontrib>Rosowsky, A.</creatorcontrib><creatorcontrib>Candlin, D.J.</creatorcontrib><creatorcontrib>Bencivenni, G.</creatorcontrib><creatorcontrib>Bologna, G.</creatorcontrib><creatorcontrib>D'Ettorre-Piazzoli, B.</creatorcontrib><creatorcontrib>Mannocchi, G.</creatorcontrib><creatorcontrib>Pepe-Altarelli, M.</creatorcontrib><creatorcontrib>Boyle, O.</creatorcontrib><creatorcontrib>Maitland, W.</creatorcontrib><creatorcontrib>Smith, K.</creatorcontrib><creatorcontrib>Thompson, A.S.</creatorcontrib><creatorcontrib>Rensch, B.</creatorcontrib><creatorcontrib>Tittel, K.</creatorcontrib><creatorcontrib>Cattaneo, M.</creatorcontrib><creatorcontrib>Lieske, N.M.</creatorcontrib><creatorcontrib>Payne, D.G.</creatorcontrib><creatorcontrib>Sedgbeer, J.K.</creatorcontrib><creatorcontrib>Kneringer, E.</creatorcontrib><creatorcontrib>Patel, A.</creatorcontrib><creatorcontrib>Carr, J.</creatorcontrib><creatorcontrib>Drinkard, J.</creatorcontrib><creatorcontrib>Papalexiou, S.</creatorcontrib><creatorcontrib>Brown, D.</creatorcontrib><creatorcontrib>Dydak, F.</creatorcontrib><creatorcontrib>Halley, A.W.</creatorcontrib><creatorcontrib>Lauber, J.</creatorcontrib><creatorcontrib>Männer, W.</creatorcontrib><creatorcontrib>Richter, R.</creatorcontrib><creatorcontrib>Stiegler, U.</creatorcontrib><creatorcontrib>Bertin, V.</creatorcontrib><creatorcontrib>Chen, X.</creatorcontrib><creatorcontrib>Cordier, A.</creatorcontrib><creatorcontrib>Grivaz, J.-F.</creatorcontrib><creatorcontrib>Zomer, F.</creatorcontrib><creatorcontrib>Amendolia, S.R.</creatorcontrib><creatorcontrib>Bosisio, L.</creatorcontrib><creatorcontrib>Dell'Orso, R.</creatorcontrib><creatorcontrib>Foà, L.</creatorcontrib><creatorcontrib>Forti, F.</creatorcontrib><creatorcontrib>Rizzo, G.</creatorcontrib><creatorcontrib>Tenchini, R.</creatorcontrib><creatorcontrib>Tonelli, G.</creatorcontrib><creatorcontrib>Triggiani, G.</creatorcontrib><creatorcontrib>Verdini, P.G.</creatorcontrib><creatorcontrib>Green, M.G.</creatorcontrib><creatorcontrib>March, P.V.</creatorcontrib><creatorcontrib>Mir, Ll.M.</creatorcontrib><creatorcontrib>Medcalf, T.</creatorcontrib><creatorcontrib>Botterill, D.R.</creatorcontrib><creatorcontrib>Edgecock, T.R.</creatorcontrib><creatorcontrib>Edwards, M.</creatorcontrib><creatorcontrib>Jones, T.J.</creatorcontrib><creatorcontrib>Kozanecki, W.</creatorcontrib><creatorcontrib>Roussarie, A.</creatorcontrib><creatorcontrib>Schuller, J.-P.</creatorcontrib><creatorcontrib>Si Mohand, D.</creatorcontrib><creatorcontrib>Vallage, B.</creatorcontrib><creatorcontrib>Litke, A.M.</creatorcontrib><creatorcontrib>Taylor, G.</creatorcontrib><creatorcontrib>Booth, C.N.</creatorcontrib><creatorcontrib>Carney, R.E.</creatorcontrib><creatorcontrib>Reeves, P.</creatorcontrib><creatorcontrib>Schäfer, U.</creatorcontrib><creatorcontrib>Gobbo, B.</creatorcontrib><creatorcontrib>Cinabro, D.</creatorcontrib><creatorcontrib>Gao, Y.S.</creatorcontrib><creatorcontrib>Pater, J.R.</creatorcontrib><creatorcontrib>Whitney, M.H.</creatorcontrib><creatorcontrib>ALEPH Collaboration</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Physics letters. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Buskulic, D.</au><au>Ariztizabal, F.</au><au>Comas, P.</au><au>Pascual, A.</au><au>Farilla, A.</au><au>Maggi, G.</au><au>Ruggieri, F.</au><au>Silvestris, L.</au><au>Hu, H.</au><au>Lin, J.</au><au>Wang, T.</au><au>Xu, D.</au><au>Jacobsen, R.</au><au>Lançon, E.</au><au>Lohse, T.</au><au>Lusiani, A.</au><au>Meyer, T.</au><au>Ranjard, F.</au><au>Rothberg, J.</au><au>Witzeling, W.</au><au>Bardadin-Otwinowska, M.</au><au>El Fellous, R.</au><au>Falvard, A.</au><au>Henrard, P.</au><au>Jousset, J.</au><au>Michel, B.</au><au>Montret, J.-C.</au><au>Pietrzyk, B.</au><au>Møllerud, R.</au><au>Nilsson, B.S.</au><au>Simopoulou, E.</au><au>Orteu, S.</au><au>Rosowsky, A.</au><au>Candlin, D.J.</au><au>Bencivenni, G.</au><au>Bologna, G.</au><au>D'Ettorre-Piazzoli, B.</au><au>Mannocchi, G.</au><au>Pepe-Altarelli, M.</au><au>Boyle, O.</au><au>Maitland, W.</au><au>Smith, K.</au><au>Thompson, A.S.</au><au>Rensch, B.</au><au>Tittel, K.</au><au>Cattaneo, M.</au><au>Lieske, N.M.</au><au>Payne, D.G.</au><au>Sedgbeer, J.K.</au><au>Kneringer, E.</au><au>Patel, A.</au><au>Carr, J.</au><au>Drinkard, J.</au><au>Papalexiou, S.</au><au>Brown, D.</au><au>Dydak, F.</au><au>Halley, A.W.</au><au>Lauber, J.</au><au>Männer, W.</au><au>Richter, R.</au><au>Stiegler, U.</au><au>Bertin, V.</au><au>Chen, X.</au><au>Cordier, A.</au><au>Grivaz, J.-F.</au><au>Zomer, F.</au><au>Amendolia, S.R.</au><au>Bosisio, L.</au><au>Dell'Orso, R.</au><au>Foà, L.</au><au>Forti, F.</au><au>Rizzo, G.</au><au>Tenchini, R.</au><au>Tonelli, G.</au><au>Triggiani, G.</au><au>Verdini, P.G.</au><au>Green, M.G.</au><au>March, P.V.</au><au>Mir, Ll.M.</au><au>Medcalf, T.</au><au>Botterill, D.R.</au><au>Edgecock, T.R.</au><au>Edwards, M.</au><au>Jones, T.J.</au><au>Kozanecki, W.</au><au>Roussarie, A.</au><au>Schuller, J.-P.</au><au>Si Mohand, D.</au><au>Vallage, B.</au><au>Litke, A.M.</au><au>Taylor, G.</au><au>Booth, C.N.</au><au>Carney, R.E.</au><au>Reeves, P.</au><au>Schäfer, U.</au><au>Gobbo, B.</au><au>Cinabro, D.</au><au>Gao, Y.S.</au><au>Pater, J.R.</au><au>Whitney, M.H.</au><aucorp>ALEPH Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurement of the production rates of η and η′ in hadronic Z decays</atitle><jtitle>Physics letters. B</jtitle><date>1992-10-08</date><risdate>1992</risdate><volume>292</volume><issue>1</issue><spage>210</spage><epage>220</epage><pages>210-220</pages><issn>0370-2693</issn><eissn>1873-2445</eissn><coden>PYLBAJ</coden><abstract>The decays η → γγ and η′ → ηπ + π − have been observed in hadronic decays of the Z produced at LEP. The fragmentation functions of both the η and η′ have been measured. The measured multiplicities for x > 0.1 are 0.298±0.023±0.021 and 0.068±0.016 for η and η′ respectively. While the fragmentation function for the η is fairly well described by the JETSET Monte Carlo, it is found that the production rate of the η′ is a factor of four less than the corresponding prediction.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/0370-2693(92)90633-F</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-7613-8063</orcidid><orcidid>https://orcid.org/0000-0002-2551-5751</orcidid><orcidid>https://orcid.org/0000-0002-1297-8925</orcidid><orcidid>https://orcid.org/0000-0002-5732-4343</orcidid><oa>free_for_read</oa></addata></record>
fulltext	fulltext
identifier	ISSN: 0370-2693
ispartof	Physics letters. B, 1992-10, Vol.292 (1), p.210-220
issn	0370-2693 1873-2445
language	eng
recordid	cdi_hal_primary_oai_HAL_in2p3_00015605v1
source	Elsevier ScienceDirect Journals
subjects	Classical and quantum physics: mechanics and fields Exact sciences and technology High Energy Physics - Experiment Physics Theory of quantized fields
title	Measurement of the production rates of η and η′ in hadronic Z decays
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