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单词 pentaquark
释义

Definition of pentaquark in US English:

pentaquark

nounˈpen(t)əˌkwärkˈpen(t)əˌkwärk
Physics
  • A baryon consisting of four quarks and an antiquark.

    Example sentencesExamples
    • Quarks come in oddly named ‘flavors,’ and all the new species include two strange, one anti-up, and either an up or a down quark among the five (the pentaquarks discovered last spring all had two ups, two downs, and one anti-strange).
    • Like recently discovered extrasolar planets that reveal new planetary configurations to astronomers, pentaquarks are alerting physicists to possible new sub-atomic arrangements, he adds.
    • The elusive pentaquark - comprising five quarks - failed to put in an appearance during experiments at the Accelerator Facility in Virginia specifically carried out to search for the little blighter.
 
 

Definition of pentaquark in US English:

pentaquark

nounˈpen(t)əˌkwärk
Physics
  • A baryon consisting of four quarks and an antiquark.

    Example sentencesExamples
    • Like recently discovered extrasolar planets that reveal new planetary configurations to astronomers, pentaquarks are alerting physicists to possible new sub-atomic arrangements, he adds.
    • Quarks come in oddly named ‘flavors,’ and all the new species include two strange, one anti-up, and either an up or a down quark among the five (the pentaquarks discovered last spring all had two ups, two downs, and one anti-strange).
    • The elusive pentaquark - comprising five quarks - failed to put in an appearance during experiments at the Accelerator Facility in Virginia specifically carried out to search for the little blighter.
 
 
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更新时间:2024/11/13 13:10:09