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We search for new long-lived particles which decay to Z{sup 0} bosons by looking for Z{sup 0}{r_arrow}e{sup +}e{sup {minus}} decays with displaced vertices. We find no evidence for parent particles of the Z{sup 0} with long lifetimes in 90thinsppb{sup {minus}1} of data from the CDF experiment at Fermilab. We set a cross section limit as a function of the lifetime of the parent particle for both a generic Z{sup 0} parent and a fourth-generation, charge {minus} (1) /(3) quark that decays into Z{sup 0}b. {copyright} {ital 1998} {ital The American Physical Society}
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| Authors: |
Blair, R.E.;
Byrum, K.L.;
Kovacs, E.;
Kuhlmann, S.E.;
LeCompte, T.;
Nodulman, L. [Argonne National Laboratory, Argonne, Illinois 60439 (United States)];
Breccia, L.;
Brunetti, R.;
Deninno, M.;
Fiori, I.;
Mazzanti, P. [Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)];
Behrends, S.;
Bensinger, J.;
Blocker, C.;
Kirsch, L.;
Lamoureux, J.I. [Brandeis University, Waltham, Massachusetts 02254 (United States)];
Bonushkin, Y.;
Hauser, J.;
Lindgren, M. [University of California at Los Angeles, Los Angeles, California 90024 (United States)];
Amadon, A.;
Berryhill, J.;
Contreras, M.;
Culbertson, R.;
Frisch, H.;
Grosso-Pilcher, C.;
Hohlmann, M. [University of Chicago, Chicago, Illinois 60637 (United States)];
Cronin-Hennessy, D.;
Dittmann, J.R.;
Goshaw, A.T.;
Khazins, D.;
Kowald, W.;
Oh, S.H. [Duke University, Durham, North Carolina 27708 (United States)];
Albrow, M.G.;
Atac, M.;
Beretvas, A.;
Berge, J.P.;
Biery, K.;
Binkley, M.;
Buckley-Geer, E.;
Byon-Wagner, A.;
Chlebana, F.;
Cihangir, S.;
Cooper, J.;
DeJongh, F.;
Demina, R.;
Derwent, P.F.;
Elias, J.E.;
Erdmann, W.;
Flaugher, B.;
Foster, G.W.;
Freeman, J.;
Geer, S.;
Hahn, S.R.;
Harris, R.M.;
Incandela, J.;
Jensen, H.;
Joshi, U.;
Kennedy, R.D.;
Kephart, R.;
Lammel, S.;
Lewis, J.D.;
Limon, P.;
Lukens, P.;
Maeshima, K.;
Marriner, J.P.;
Miao, T.;
Mukherjee, A.;
Nelson, C.;
Newman-Holmes, C.;
Patrick, J. [Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)];
Klimenko, S.;
Konigsberg, J.;
Korytov, A.;
Nomerotski, A. [University of Florida, Gainesville, Florida 32611 (United States)];
Barone, M.;
Bertolucci, S.;
Cordelli, M.;
DellAgnello, S.;
Giromini, P.;
Happacher, F.;
Miscetti, S.;
Parri, A. [Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati (Italy)];
Clark, A.G.;
Couyoumtzelis, C.;
Kambara, H. [University of Geneva, CH-1211 Geneva 4 (Switzerland)];
Baumann, T.;
Franklin, M.;
Gordon, A.;
Hamilton, R.;
Huth, J.;
and others
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| Publication Date: | 1998 Sep 01 |
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| OSTI Identifier: | 656318 |
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| Resource Type: | Journal Article |
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| Resource Relation: | Journal Name: Physical Review, D; Journal Volume: 58; Journal Issue: 5; Other Information: PBD: Sep 1998 |
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| Country of Publication: | United States |
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| Language: | English |
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| Format: | Size: pp. 051102 |
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| Other Number(s): | Journal ID: PRVDAQ; ISSN 0556-2821; TRN: 98:010349 |
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| Subject: | 66 PHYSICS; Z NEUTRAL BOSONS; LEPTONIC DECAY; PROTON-ANTIPROTON INTERACTIONS; TEV RANGE; LIFETIME; CROSS SECTIONS; PARTICLE PRODUCTION; MASS; B QUARKS; ELECTRONS; POSITRONS; FERMILAB COLLIDER DETECTOR |
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| Update Date: | 2009 Dec 16 |
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