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SEARCH FOR PARTICLES WITH UNEXPECTED MASS AND CHARGE IN Z-DECAYS
ALEPH Collaboration
1993
发表期刊PHYSICS LETTERS B
卷号303期号:1-2页码:#REF!
通讯作者BUSKULIC, D (reprint author), CNRS, IN2P3, PHYS PARTICULES LAB, F-74019 ANNECY LE VIEUX, FRANCE.
文章类型Article
摘要During 1989 and 1990 over 180 000 hadronic and leptonic events, corresponding to 8 pb-1 of luminosity, were collected by the ALEPH detector in a scan of the Z peak at the e+e- collider LEP. This letter reports the results of a search in these data for particles with unexpected mass and charge by measurement of the ionization energy loss of charged tracks in the ALEPH TPC central tracking detector. The mass limits for the pair production of fractionally charged particles and of heavy, long lived charged particles are extended to 43 GeV/c2 at 90% confidence level. If single production of a heavy particle is considered, the mass limit is extended to more than 70 GeV/c2.
学科领域Physics
DOI10.1016/0370-2693(93)90066-Q
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1993KV52700034
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226879
专题实验物理中心
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ALEPH Collaboration. SEARCH FOR PARTICLES WITH UNEXPECTED MASS AND CHARGE IN Z-DECAYS[J]. PHYSICS LETTERS B,1993,303(1-2):#REF!.
APA ALEPH Collaboration.(1993).SEARCH FOR PARTICLES WITH UNEXPECTED MASS AND CHARGE IN Z-DECAYS.PHYSICS LETTERS B,303(1-2),#REF!.
MLA ALEPH Collaboration."SEARCH FOR PARTICLES WITH UNEXPECTED MASS AND CHARGE IN Z-DECAYS".PHYSICS LETTERS B 303.1-2(1993):#REF!.
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