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W boson mass: New physics hidden in precision measurement？
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Science & Technology Review | 2023, 41(15) : 6 - 11
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Science & Technology Review | 2023, 41(15): 6-11
• Special to S&T Review •
W boson mass: New physics hidden in precision measurement？
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YU Jianghao
Affiliations
    CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
Published: 2023-08-13 doi: 10.3981/j.issn.1000-7857.2023.15.001
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W boson is the elementary bosonic particle mediating the weak force and its mass is originated from electroweak symmetry breaking. Precision measurements of W boson mass provide a self-consistence check of the standard model theory and could hint at new particles or other mysteries of physics yet to be discovered. The Fermilab CDF group published the most precise result on W boson mass and found that this new measurement disagreed with the standard model's expectation by 7 sigma on the statistical significance. This finding would possibly challenge the current understanding of the standard model of particle physics.
W boson  /  precision mass measurement  /  standard model of particle physics  /  new physics
YU Jianghao. W boson mass: New physics hidden in precision measurement？[J]. Science & Technology Review, 2023 , 41 (15) : 6 -11 . DOI: 10.3981/j.issn.1000-7857.2023.15.001
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doi: 10.3981/j.issn.1000-7857.2023.15.001
  • Receive Date：2022-05-03
  • Online Date：2023-08-30
  • Published：2023-08-13
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  • Received：2022-05-03
  • Revised：2022-06-28
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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