Ks0 and Λ production in quark and gluon jets at LEP
M. AcciarriINFN-Sezione di Milano, I-20133 Milan, ItalyO. AdrianiUniversity of Florence, Florence, ItalyM. Aguilar-BenítezDepartment of Natural Sciences, University of Cyprus. Nicosia. Cyprus 'S. AhlenBoston University, Boston, MA 02215, USAJ. Alcaraz MaestreG. AlemanniUniversity of Lausanne, CH-1015 Lausanne, SwitzerlandJ. AllabyEuropean Laboratory for Particle Physics, CERN, CH-1211 Geneva 23, SwitzerlandA. AloisioINFN-Sezione di Napoli and University of Naples, I-80125 Naples, ItalyG. AlversonNortheastern University, Boston, MA 02115, USAMariagrazia AlviggiUniversity of Naples Federico II, Naples, ItalyG. AmbrosiUniversity of Geneva, CH-1211 Geneva 4, SwitzerlandH. AnderhubETH Zurich, Zurich, SwitzerlandV.P. AndreevT. AngelescuInstitute of Atomic Physics and University of Bucharest, R-76900 Bucharest, RomaniaF. AnselmoUniversity of Bologna, Bologna, ItalyA. ArefievInstitute of Theoretical and Experimental Physics, ITEP, Moscow, RussiaT. AzemoonUniversity of Michigan, Ann Arbor, MI 48109, USAT. AzizTata Institute of Fundamental Research, Bombay 400 005, IndiaP. BagnaiaINFN-Sezione di Roma and University of Rome, “La Sapienza”, I-00185 Rome, ItalyL. BaksayUniversity of Alabama, Tuscaloosa, AL 35486, USAR.C. BallAnn Arbor Center for Independent LivingSw. BanerjeeTata Institute of Fundamental Research, Mumbai, IndiaK. BaniczPurdue University West Lafayette, West Lafayette, United StatesA. BarczykETH Zurich, Zurich, SwitzerlandR. BarillèreINFN-Sezione di Napoii and University of Naples. I-80125 Naples , ItalyL. BaroneSapienza University of Rome, Rome, ItalyP. BartaliniUniversity of Perugia, Perugia, ItalyA. BasçhirottoM. Basile'R. BattistonUniversity of Perugia, Perugia, ItalyA. BayDepartment of Natural Sciences , University of Cyprus. Nicosia . CyprusF. BecattiniUniversity of Florence, Florence, ItalyU. BeckerMassachusetts Institute of Technology, Cambridge, United StatesF. BehnerETH Zurich, Zurich, SwitzerlandJ. BerdugoEuropean Laboratory for Particle Physics, CERN, CH-1211 Geneva 23, SwitzerlandP. BergesMassachusetts Institute of Technology, Cambridge, United StatesB. BertucciUniversity of Perugia, Perugia, ItalyB.L. BetevETH Zurich, Zurich, SwitzerlandS. BhattacharyaTata Institute of Fundamental Research, Mumbai, IndiaM. Biasiniversi~ of Science and Te~hnoiogy , VSTC , Hefei . Anhui 230 029 , China6A. BilandETH Zurich, Zurich, SwitzerlandG. M. BileiUniversity of Perugia, Perugia, ItalyJ.J. BlaisingS.C. BlythCarnegie Mellon University, Pittsburgh, United StatesG. J. BobbinkUniversity of Amsterdam, Amsterdam, NetherlandsR. BöckRWTH Aachen University, Aachen, GermanyA. BöhmRWTH Aachen University, Aachen, GermanyL. BoldizsárITEP , Moscow , RussiaB. BorgiaSapienza University of Rome, Rome, ItalyA. BouchamD. BourilkovETH Zurich, Zurich, SwitzerlandM. BourquinUniversity of Geneva, Geneva, SwitzerlandD. BoutignyS. Braccini'J.G. BransonUniversity of California, San Diego, San Diego, United StatesV. BrigljevićETH Zurich, Zurich, SwitzerlandI. BrockCarnegie Mellon University, Pittsburgh, United StatesA. BuffiniUniversity of Florence, Florence, ItalyA. BuijsITEP , Moscow , RussiaJ.D. BurgerITEP , Moscow , RussiaW.J. Burger'J. BusenitzUniversity of Alabama, Tuscaloosa, United StatesX. CaiMassachusetts Institute of TechnologyM. CampanelliETH Zurich, Zurich, SwitzerlandM. CapellMassachusetts Institute of Technology, Cambridge, United StatesG. Cara Romeo'G. CarlinoPrinceton Univer.~i~~ Princeton . NJ 08544 . USA " INFN-Sezione di Roma andA.M. CartacciAlso supported by CONICET and Universidad National de La Plats , CC 67 , 1900 La Plats , ArgentinaJ. CasausEuropean Laboratory for Particle Physics, CERN, CH-1211 Geneva 23, SwitzerlandG. CastelliniDept. de Flsica de Particulas Elementales , Vniv. de Santiago , E-15706 Santiago de Compostela . SpainF. CavallariSapienza University of Rome, Rome, ItalyN. CavalloITEP , Moscow , RussiaC. Cecchi'M. CerradaUniversity of Michigan, Ann Arbor, MI 48109, USAF. CesaroniInstitute of Theoretical and Experimental Physics, ITEP, Moscow, RussiaM. ChamizoLos Alamos National Laboratory , Los Alamos , NM 87544 , USAY. H. ChangU.K. ChaturvediS. ChekanovPrinceton Univer.~i~~ Princeton . NJ 08544 . USA " INFN-Sezione di Roma andM. ChemarinUniversité Claude Bernard Lyon 1, Villeurbanne, FranceA ChenUniversity of Nljmegen and NIKHEF NL-6525 ED Nljmegen , The Netherlands seG. ChenINFN-Sezione di Roma and University of Rome, “La Sapienza”, I-00185 Rome, ItalyG.M ChenOak Ridge National Laboratory , Oak Ridge , TN 37831 , USAHaoyu ChenPrinceton Univer.~i~~ Princeton . NJ 08544 . USA " INFN-Sezione di Roma andH.S ChenITEP , Moscow , RussiaM ChenPrinceton Univer.~i~~ Princeton . NJ 08544 . USA " INFN-Sezione di Roma andG. ChiefariINFN-Sezione di Napoii and University of Naples. I-80125 Naples , ItalyChih‐Yen ChienOak Ridge National Laboratory , Oak Ridge , TN 37831 , USAL. CifarelliITEP , Moscow , RussiaF. Cindolo'C. CivininiUniversity of Florence, Florence, ItalyI. ClareMassachusetts Institute of Technology, Cambridge, United StatesR. ClareMassachusetts Institute of Technology, Cambridge, United StatesH.O. CohnOak Ridge National Laboratory, Oak Ridge, United StatesG. CoignetINFN-Sezione di Roma and University of Rome, “La Sapienza”, I-00185 Rome, ItalyA. P. ColijnUniversity of Amsterdam, Amsterdam, NetherlandsN. ColinoINFN-Sezione di Roma and University of Rome, “La Sapienza”, I-00185 Rome, ItalyV. CommichauRWTH Aachen University, Aachen, GermanyS. CostantiniHumboldt State University, Arcata, United States
1997en
ABI
Abstract
A measurement of the Ks0 and Λ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1 million Z decays collected with the L3 detector at LEP, we observe that the production of these particles is well modelled by string fragmentation.
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Citations and references
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