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mesotron
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mesotron
mesotron Nuclear Physics. Now rare or Obs. (ˈmiː-, ˈmɛzəʊtrɒn, ˈmɛsəʊtrɒn) [f. meso- + -tron.] The name orig. given to the meson (meson3).1938 Anderson & Neddermeyer in Nature 12 Nov. 878/2 The existence of particles intermediate in mass between protons and electrons has been shown in experiments on...
Oxford English Dictionary
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Marcello Conversi
He is best known for his 1946 cosmic ray experiment where he showed that the "mesotron", now known as the muon, was not a strongly interacting particle If the "mesotron", a cosmic ray particle of negative charge, was indeed the meson postulated by Yukawa, it should be captured without decaying.
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meson
▪ I. ‖ meson1 Anat., etc. (ˈmɛsɒn) [mod.L., a. Gr. µέσον, neut. of µέσος middle.] The median plane, which divides a body into two symmetrical halves.1883 Wilder & Gage Anat. Techn. 33 The Meson..is a plane passing lengthwise of the body and dividing the whole into approximately equal and similar rig...
Oxford English Dictionary
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Charles Preller
Liquification of Coal"
1935 - William Lawrence Bragg - "The New Crystallography"
1937 - Hugh Stott Taylor - "Heavy hydrogen"
1939 - Patrick Blackett - "The Mesotron
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-tron
-tron, suffix Physics. (trɒn) The ending of electron2 (but cf. Gr. -τρον instrumental suffix), used: a. in the names of some kinds of thermionic valves and other electron tubes, as kenotron (1915), pliotron (1915), ignitron (1933); b. in the names of a few sub-atomic particles, as positron (1933), n...
Oxford English Dictionary
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Kenneth Greisen
Greisen's PhD thesis
Rossi and Greisen built an apparatus, centered around a Geiger-Müller counter, to distinguish the altitude dependence of hard (mesotron
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Salwa Nassar
Nassar's academic publications included research articles with titles such as "Cascade Showers and Mesotron-Produced Secondaries in Lead" (1946), but also
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lifetime
lifetime (ˈlaɪftaɪm) Forms: see life and time. 1. The time that one's life continues, duration of life. Also attrib. or as adj., for the duration of a life, during one's life, while one is alive. Phrases: all in a (or one's) lifetime, implying resignation to whatever happens; of a lifetime, implying...
Oxford English Dictionary
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Alexandru Proca
Nobel Prize for an explanation of the nuclear forces by using a pi-mesonic field and predicting correctly the existence of the pion, initially called a 'mesotron
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Wilson Marcy Powell
He was searching for a heavier-than-electron particle, known as the "mesotron."
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介子
汤川称这个载体粒子为meson,名称来自希腊字mesos,意义是中间,会这么称呼是因为他预期其质量在电子与质子之间(应该为电子的200倍),质子的质量约是电子的1836倍,汤川最初称它为「mesotron」,不过后来被海森堡纠正。海森堡指出希腊字的「mesos」里面没有「tr」。
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Bruno Rossi
Mesotron decay
Immediately after a symposium session on mesotron instability reached a consensus that more definitive observations were needed, Rossi , and the emission of an electron when the mesotron decayed.
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harde
▪ I. hard, a. (n.) (hɑːd) Forms: 1 heard, 2–4 herd, (3 ard, Orm. harrd), 3–7 harde, (6 heard, herde), 4– hard. [A Common Teut. adj.: OE. heard = OFris. herd, OS. hard (MDu. hart(d), MLG. hard, harde, Du., LG. hard), OHG. hart, harti, hęrti (MHG. hart, herte, Ger. hart), ON. harðr (Sw. hård, Da. haar...
Oxford English Dictionary
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Μ子
他们假定这种粒子带有与电子相同的电荷量,由此他们计算出这种粒子的质量介于电子和质子之间,大约是电子的200倍,据此他们将这种粒子命名为“mesotron”,意为“中间的粒子”。1937年, 和 E. C. Stevenson 在云室实验中再次确认了μ子的存在。
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Urban Hive
1996 - awarded by KIA (Ik-san Children's House)
1997 - third prize in Seoul Architecture Award (nomad)
1998 - third prize in Seoul Architecture Award (mesotron
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