Direct determination of two-pion correlations for pp→ 2π+2π− annihilation at rest

A. Angelopoulos; CPLEAR Collaboration; A. Apostolakis; E. Aslanides; G. Backenstoss; P. Bargassa; O. Behnke; A. Benelli; V. Bertin; F. Blanc; P. Bloch; P. Carlson; M. Carroll; J. Carvalho; E. Cawley; S. Charalambous; G. Chardin; M. B. Chertok; A. Cody; Mats Danielsson; M. Dejardin; J. Derre; A. Ealet; C. Eleftheriadis; I. Evangelou; L. Faravel; R. Ferreira-Marques; W. Fetscher; M. Fidecaro; A. Filipčič; D. Francis; J. Fry; E. Gabathuler; R. Gamet; D. Garreta; H. -J. Gerber; A. Go; A. Haselden; P. J. Hayman; F. Henry-Couannier; R. W. Hollander; E. Hubert; K. Jon-And; P. -R. Kettle; P. Kokkas; R. Kreuger; R. Le Gac; F. Leimgruber; A. Liolios; M. P. Locher; E. Machado; I Mandić; N. Manthos; G. Marel; V. E. Markushin; M. Mikuž; J. Miller; F. Montanet; A. Müller; T. Nakada; B. Pagels; I. Papadopoulos; P. Pavlopoulos; J. Pinto Da Cunha; A. Policarpo; G. Polivka; R. Rickenbach; B. L. Roberts; T. Ruf; L. Sakeliou; P. Sanders; M. Schäfer; L. A. Schaller; T. Schietinger; A. Schopper; A. Soares; L. Tauscher; C. Thibault; F. Touchard; C. Touramanis; F. Triantis; E. Van Beveren; C. W. E. Van Eijk; S. Vlachos; P. Weber; O. Wigger; M. Wolter; C. Yèche; D. Zavrtanik; D. Zimmerman;A. Angelopoulos;CPLEAR Collaboration;A. Apostolakis;E. Aslanides;G. Backenstoss;P. Bargassa;O. Behnke;A. Benelli;V. Bertin;F. Blanc;P. Bloch;P. Carlson;M. Carroll;J. Carvalho;E. Cawley;S. Charalambous;G. Chardin;M. B. Chertok;A. Cody;Mats Danielsson;M. Dejardin;J. Derre;A. Ealet;C. Eleftheriadis;I. Evangelou;L. Faravel;R. Ferreira-Marques;W. Fetscher;M. Fidecaro;A. Filipčič;D. Francis;J. Fry;E. Gabathuler;R. Gamet;D. Garreta;H. -J. Gerber;A. Go;A. Haselden;P. J. Hayman;F. Henry-Couannier;R. W. Hollander;E. Hubert;K. Jon-And;P. -R. Kettle;P. Kokkas;R. Kreuger;R. Le Gac;F. Leimgruber;A. Liolios;M. P. Locher;E. Machado;I Mandić;N. Manthos;G. Marel;V. E. Markushin;M. Mikuž;J. Miller;F. Montanet;A. Müller;T. Nakada;B. Pagels;I. Papadopoulos;P. Pavlopoulos;J. Pinto Da Cunha;A. Policarpo;G. Polivka;R. Rickenbach;B. L. Roberts;T. Ruf;L. Sakeliou;P. Sanders;M. Schäfer;L. A. Schaller;T. Schietinger;A. Schopper;A. Soares;L. Tauscher;C. Thibault;F. Touchard;C. Touramanis;F. Triantis;E. Van Beveren;C. W. E. Van Eijk;S. Vlachos;P. Weber;O. Wigger;M. Wolter;C. Yèche;D. Zavrtanik;D. Zimmerman;

doi:10.1007/bf01245804

Direct determination of two-pion correlations for pp→ 2π+2π− annihilation at rest

Clicks: 244

ID: 271787

1998

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Abstract

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We study ππ correlations in the exclusive reaction pp → 2π+2π− at rest measured by the CPLEAR experiment. Avoiding the introduction of an arbitrary reference sample, we analyse differential distributions for equal charge pion pairs removing the phase-space factor event by event. A peak at small relative momenta is most pronounced for large total momentum of the pair. The physical implications of bosonic symmetrization for the properties of the pion source, in particular its radius, are briefly discussed. The two extremes considered are the chaotic Hanbury-Brown-Twiss mechanism and the coherent Skyrmion model.

Reference Key	zimmerman1998thedirect Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors	A. Angelopoulos,CPLEAR Collaboration,A. Apostolakis,E. Aslanides,G. Backenstoss,P. Bargassa,O. Behnke,A. Benelli,V. Bertin,F. Blanc,P. Bloch,P. Carlson,M. Carroll,J. Carvalho,E. Cawley,S. Charalambous,G. Chardin,M. B. Chertok,A. Cody,Mats Danielsson,M. Dejardin,J. Derre,A. Ealet,C. Eleftheriadis,I. Evangelou,L. Faravel,R. Ferreira-Marques,W. Fetscher,M. Fidecaro,A. Filipčič,D. Francis,J. Fry,E. Gabathuler,R. Gamet,D. Garreta,H. -J. Gerber,A. Go,A. Haselden,P. J. Hayman,F. Henry-Couannier,R. W. Hollander,E. Hubert,K. Jon-And,P. -R. Kettle,P. Kokkas,R. Kreuger,R. Le Gac,F. Leimgruber,A. Liolios,M. P. Locher,E. Machado,I Mandić,N. Manthos,G. Marel,V. E. Markushin,M. Mikuž,J. Miller,F. Montanet,A. Müller,T. Nakada,B. Pagels,I. Papadopoulos,P. Pavlopoulos,J. Pinto Da Cunha,A. Policarpo,G. Polivka,R. Rickenbach,B. L. Roberts,T. Ruf,L. Sakeliou,P. Sanders,M. Schäfer,L. A. Schaller,T. Schietinger,A. Schopper,A. Soares,L. Tauscher,C. Thibault,F. Touchard,C. Touramanis,F. Triantis,E. Van Beveren,C. W. E. Van Eijk,S. Vlachos,P. Weber,O. Wigger,M. Wolter,C. Yèche,D. Zavrtanik,D. Zimmerman;A. Angelopoulos;CPLEAR Collaboration;A. Apostolakis;E. Aslanides;G. Backenstoss;P. Bargassa;O. Behnke;A. Benelli;V. Bertin;F. Blanc;P. Bloch;P. Carlson;M. Carroll;J. Carvalho;E. Cawley;S. Charalambous;G. Chardin;M. B. Chertok;A. Cody;Mats Danielsson;M. Dejardin;J. Derre;A. Ealet;C. Eleftheriadis;I. Evangelou;L. Faravel;R. Ferreira-Marques;W. Fetscher;M. Fidecaro;A. Filipčič;D. Francis;J. Fry;E. Gabathuler;R. Gamet;D. Garreta;H. -J. Gerber;A. Go;A. Haselden;P. J. Hayman;F. Henry-Couannier;R. W. Hollander;E. Hubert;K. Jon-And;P. -R. Kettle;P. Kokkas;R. Kreuger;R. Le Gac;F. Leimgruber;A. Liolios;M. P. Locher;E. Machado;I Mandić;N. Manthos;G. Marel;V. E. Markushin;M. Mikuž;J. Miller;F. Montanet;A. Müller;T. Nakada;B. Pagels;I. Papadopoulos;P. Pavlopoulos;J. Pinto Da Cunha;A. Policarpo;G. Polivka;R. Rickenbach;B. L. Roberts;T. Ruf;L. Sakeliou;P. Sanders;M. Schäfer;L. A. Schaller;T. Schietinger;A. Schopper;A. Soares;L. Tauscher;C. Thibault;F. Touchard;C. Touramanis;F. Triantis;E. Van Beveren;C. W. E. Van Eijk;S. Vlachos;P. Weber;O. Wigger;M. Wolter;C. Yèche;D. Zavrtanik;D. Zimmerman;
Journal	the european physical journal c
Year	1998
DOI	10.1007/bf01245804 Searching for DOI...
URL	https://sciprofiles.com/publication/view/68cb3bad1ac72abbea9e327e9a3e9851 https://doi.org/10.1007/bf01245804
Keywords	invariant mass bose einstein pion pair differential density pion source

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