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Titolo:
2 PION BOSE-EINSTEIN CORRELATIONS IN (P)OVER-BAR-P ANNIHILATIONS AT REST
Autore:
ADLER R; ALHALEL T; ANGELOPOULOS A; APOSTOLAKIS A; ASLANIDES E; BACKENSTOSS G; BEE CP; BENNET J; BERTIN V; BIENLEIN JK; BLOCH P; BULA C; CARLSON P; CARVALHO J; CAWLEY E; CHARALAMBOUS S; CHARDALAS M; CHARDIN G; DANIELSSON M; DEDOUSSIS S; DEJARDIN M; DERRE J; DODGSON M; DOUSSE JC; DUCLOS J; EALET A; ECKART B; ELEFTHERIADIS C; EVANGELOU I; FARAVEL L; FASSNACHT P; FAURE JL; FELDER C; FERREIRAMARQUES R; FETSCHER W; FIDECARO M; FILIPCIC A; FRANCIS D; FRY JR; FUGLESANG C; GABATHULER E; GAMET R; GARRETA D; GERALIS T; GERBER HJ; GO A; GUMPLINGER P; GUYOT C; HARRISON PF; HAYMAN PJ; HEYES WG; HOLLANDER RW; JANSSON K; JOHNER HU; JONAND K; KEREK A; KERN J; KETTLE PR; KOCHOWSKI C; KOKKAS P; KRUEGER R; LAWRY T; LEGAC R; LIOLIOS A; MACHADO E; MALEY P; MANDIC I; MANTHOS N; MAREL G; MIKUZ M; MILLER JP; MONTANET F; NAKADA T; ONOFRE A; PAGELS B; PAVLOPOULOS P; PELUCCHI F; DACUNHA JP; POLICARPO A; POLIVKA G; POSTMA H; RICKENBACH R; ROBERTS BL; ROZAKI E; RUF T; SACKS L; SAKELIOU L; SANDERS P; SANTONI C; SARIGIANNIS K; SCHAFER M; SCHALLER L; SCHOPPER A; SCHUNE P; SOARES A; SZILAGYI S; TAUSCHER L; THIBAULT C; TOUCHARD F; TOURAMANIS C; TRIANTIS F; TROESTER DA; VANBEVEREN E; VANDENPUTTE M; VANEIJK CWE; VARNER G; VLACHOS S; WEBER P; WIGGER O; WITZIG C; WOLTER O; YECHE C; ZAVRTANIK D; ZIMMERMAN D;
Indirizzi:
UNIV BASEL CH-4056 BASEL SWITZERLAND LIP P-3000 COIMBRA PORTUGAL UNIV ATHENS GR-10680 ATHENS GREECE UNIV COIMBRA P-3000 COIMBRA PORTUGAL UNIV IOANNINA GR-45110 IOANNINA GREECE J STEFAN INST 61111 LJUBLJANA SLOVENIA CCPM,IN2P3,CNRS F-13288 MARSEILLE FRANCE CSNSM,IN2P3,CNRS F-91405 ORSAY FRANCE MSI S-10405 STOCKHOLM SWEDEN UNIV THESSALONIKI GR-54006 SALONIKA GREECE PAUL SCHERRER INST CH-5232 VILLIGEN SWITZERLAND DEPT PHYS 61111 LJUBLJANA SLOVENIA UNIV AIX MARSEILLE 2 F-13288 MARSEILLE FRANCE BOSTON UNIV BOSTON MA 02215 DELFT UNIV TECHNOL DELFT NETHERLANDS UNIV FRIBOURG CH-1700 FRIBOURG SWITZERLAND CERN CH-1211 GENEVA 23 SWITZERLAND UNIV LIVERPOOL LIVERPOOL L69 3BX ENGLAND CTR ETUD SACLAY,DAPNIA,SPP F-91191 GIF SUR YVETTE FRANCE SWISS FED INST TECHNOL,IMP CH-8093 ZURICH SWITZERLAND
Titolo Testata:
Nuclear physics. A
, volume: 558, anno: 1993,
pagine: 30000043 - 30000052
SICI:
0375-9474(1993)558:<30000043:2PBCI(>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTERSECTING STORAGE-RINGS; PPBAR INTERACTIONS; INTERFEROMETRY; INTERFERENCE; COLLISIONS; PP; MULTIPLICITY; DEPENDENCE; RESONANCES; COHERENCE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
40
Recensione:
Indirizzi per estratti:
Citazione:
R. Adler et al., "2 PION BOSE-EINSTEIN CORRELATIONS IN (P)OVER-BAR-P ANNIHILATIONS AT REST", Nuclear physics. A, 558, 1993, pp. 30000043-30000052

Abstract

Bose-Einstein (BE) correlations between like-sign charged pions were studied in ppBAR annihilations at rest into four-prong events, using data taken with the CPLEAR detector at LEAR (CERN). A strong enhancement was found in the production of pairs of like-sign pions of similar momenta, with respect to the pairs of unlike-sign pions. The observed BE-enhancement was used to extract the values for the strength lambda of the effect and the radius r of the pion emitting source. The extracted value of lambda>1 is of relevant importance and clearly does not depend on the assumed parametrization of the correlation function. The influence of the normalization and fitting procedure, the detector resolution, the resonances production and decay and the neutral-pion multiplicity cuts, on the size of the pion source and the strength of the effect was investigated.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/01/20 alle ore 00:59:15