SEARCH FOR DISORIENTED CHIRAL CONDENSATES IN 158 AGEV PB+PB COLLISIONS

Authors
AGGARWAL MM AGNIHOTRI A AHAMMED Z ANGELIS ALS ANTONENKO V AREFIEV V ASTAKHOV V AVDEITCHIKOV V AWES TC BABA PVKS BADYAL SK BALDINE A BARABACH L BARLAG C BATHE S BATIOUNIA B BERNIER T BHALLA KB BHATIA VS BLUME C BOCK R BOHNE EM BUCHER D BUIJS A BUIS EJ BUSCHING H CARLEN L CHALYSHEV V CHATTOPADHYAY S CHERBATCHEV R CHUJO T CLAUSSEN A DAS AC DECOWSKI MP DJORDJADZE V DONNI P DOUBOVIK I MAJUMDAR MRD ELCHENAWI K ELISEEV S ENOSAWA K FOKA P FOKIN S FROLOV V GANTI MS GARPMAN S GAVRISHCHUK O GEURTS FJM GHOSH TK GLASOW R GUPTA SK GUSKOV B GUSTAFSSON HA GUTBROD HH HIGUCHI R HRIVNACOVA I IPPOLITOV M KALECHOFSKY H KAMERMANS R KAMPERT KH KARADJEV K KARPIO K KATO S KEES S KIM H KOLB BW KOSAREV I KOUTCHERYAEV I KUGLER A KULINICH P KUMAR V KURATA M KURITA K KUZMIN N LANGBEIN I LEBEDEV A LEE YY LOHNER H LUQUIN L MAHAPATRA DP MANKO V MARTIN M MAXIMOV A MEHDIYEV R MGEBRICHVILI G MIAKE Y MIKHALEV D MISHRA GC MIYAMOTO Y MORRISON D MUKHOPADHYAY DS MYALKOVSKI V NAEF H NANDI BK NAYAK SK NAYAK TK NEUMAIER S NIANINE A NIKITINE V NIKOLAEV S NISHIMURA S NOMOKONOV P NYSTRAND J OBENSHAIN FE OSKARSSON A OTTERLUND I PACHR M PARFENOV A PAVLIOUK S PIETZMANN T PETRACEK V PLASIL F PURSCHKE ML RAEVEN B RAK J RANIWALA S RAMAMURTHY VS RAO NK RETIERE F REYGERS K ROLAND G ROSSELET L ROUFANOV I ROY C RUBIO JM SAKO H SAMBYAL SS SANTO R SATO S SCHLAGHECK H SCHMIDT HR SHABRATOVA G SIBIRIAK I SIEMIARCZUK T SINHA BC SLAVINE N SODERSTROM K SOLOMEY N SORENSEN SP STANKUS P STEFANEK G STEINBERG P STENLUND E STUKEN D SUMBERA M SVENSSON T TRIVEDI MD TSVETKOV A TWENHOFEL C TYKARSKI L URBAHN J VONEIJNDHOVEN N VONHEERINGEN WH VONNIEUWENHUIZEN GJ VINOGRADOV A VIYOGI YP VODOPIANOV A VOROS S VOS MA WYSLOUCH B YAGI K YOKOTA Y YOUNG GR
Citation
Mm. Aggarwal et al., SEARCH FOR DISORIENTED CHIRAL CONDENSATES IN 158 AGEV PB+PB COLLISIONS, Physics letters. Section B, 420(1-2), 1998, pp. 169-179
Citations number
29
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
420
Issue
1-2
Year of publication
1998
Pages
169 - 179
Database
ISI
SICI code
0370-2693(1998)420:1-2<169:SFDCCI>2.0.ZU;2-S
Abstract
The restoration of chiral symmetry and its subsequent breaking through a phase transition has been predicted to create regions of Disoriente d Chiral Condensates (DCC). This phenomenon has been predicted to caus e anomalous fluctuations in th; relative production of charged and neu tral plans in high-energy hadronic and nuclear collisions. The WA98 ex periment has been used to measure charged and photon multiplicities in the central region of 158 AGeV Pb + Pb collisions at the CERN SPS. In a sample of 212646 events, no clear DCC signal can be distinguished. Using a simple DCC model. we have set a 90% C.L. upper limit on the ma ximum DCC production allowed by the data. (C) 1998 Elsevier Science B. V.