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习题练习：Elementary Particles
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 作者: 王信东Wood  发布日期: 2025-10-07 21:48    总分: 21分  得分: _____________

答题人: 游客未登录  开始时间: 10月07日 21:48  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Give a reaction between two nucleons, similar to Eq. 32-4, that could produrw-hdhtjerjg 5fy( ta -ns8 i .6h8+i(ce a g6+whrd 5a- (y t8rj(.s-tiin8fhehj$\pi^0$.
参考答案:    

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2#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a proton is moving at very high speed, so that its kinetic energy is mu*5gf+ kidd z1 d)q/enlhdz/(fch greater than its(f ) dl z*dnekdfgihz+d5/q/1 rest energy ($mc^2$), can it then decay via $p \to n + \pi^+$?   

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3#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
What would an "antiatom," made up of the antiparticles to the conr/ sxynvq )3y4stituents of normal atoms, consist of? What might happen if antimatter 4s)qn/yx rvy3, made of such antiatoms, came in contact with our normal world of matter?
参考答案:    

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4#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
What particle in a decay fo 71(n;a iqjxsignals the electromagnetic interaction?
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5#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Does the presence of a neutrino among the decay products of a particle nec: hh/vj2 wapla8 v+k/ pc8j+8kwzpdk6essarily mean that the decay occurs via the weak interaction? Do all decays via the weak interaction produce ack+kpk/j8+hj l pdh/8:wv8z62waapv neutrino? Explain.
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6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Why is it that a neutron decays v5 pk a q*qt18 i57jcbwp,qo+i8p2tloz;csq) lia the weak interaction even though the neutron and one of its decay products (proton) are strongly inter8 pckqpc5 q8);+ 71zqiaj,lt iso* qlbw2p5otacting?
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7#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Which of the four interactions (strong, electromagnetic, weak, gravitatio(tp p/x)eh k)wnal) does an electron take partwhp/ px )te()k in? A neutrino? A proton?
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8#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Check that charge and baryon number are conserved in each of the decay z xslj7ge* iuw)3e g3x8n(0j14 mkmt sumo9x0s in Table 32-l38kx 9 smo3e(t wg jm)1zn0 uiug470*xmj esx2.
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9#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Which of the particle decays in Table 32-2 occur via the electromagnetg i1 lu30d(dldp8kl mvv+/d9(p - er(kkf ,kwnic interactio1 puv i/ vekm(,dkld(dk0+dlnk3(f- p98rglwn?
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10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Which of the particle decays in Table 32-2 occur by the weak interuc8 bj crz.7zers39/yf6 1xwc action?
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11#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
By what interaction, and whx-rt xd, 2/,u-vwthkty, does $\Sigma^0$ decay to $\Lambda^0 + \gamma$? What about $\Xi^-$ decaying to $\Lambda^0 + \pi^-$?
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12#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The $\Delta$ baryon has spin $\frac{3}{2}$, baryon number 1, and charge states $Q = +2, +1, 0, -1$. Why is there no charge state $Q = -2$?
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13#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Which of the particle decays in Table 32-4 occur via the electromagne sagx8-m 1tazah-o7p9tic interactg ham7 a-z8osx9 ta1p-ion?
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本习题练习题目来源于题库网 (https://tiku.one)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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14#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Which of the particle decays in Table 32-4 occur by the weak interf))4u m9xew2h+ +ovfmoe qm:laction?
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15#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Quarks have spin $\frac{1}{2}$. How do you account for the fact that baryons have spin $\frac{1}{2}$ or $\frac{3}{2}$, and mesons have spin 0 or 1?
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16#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Suppose there were a kind of "neutrinolet" aib;yq :8ifi ip54x(ethat was massless, had no color charge or electrical charge, and did not feel the weak forcai;qi i5: exbif4p (8ye. Could you say that this particle even exists?
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17#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Is it possible for a particle to*(s:9za ; i9y okgfbvb2 n4t.yzzuj5z be both
(a) a lepton and a baryon?
(b) a baryon and a hadron?  
(c) a meson and a quark?  
(d) a hadron and a lepton?   
Explain.

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18#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Using the ideas of quantum chromodynamics, would it be po k)9jyx4 o)qjzssible to find particles made up of two quarks and no antiquarks? What about two quarks and two antiquaqk )jj) z9x4yorks?
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19#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Why do neutrons decay when they are free but not when they are inside,-t- asnabgs,tdt htd6q l3 96 the nucleu66sth3t -nag d -tl q,dtbsa9,s?
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20#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Is the reaction $e^- + p \to n + \nu_e$ possible? Explain.   

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21#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Occasionally, the $\pi^+$ will decay by the following reaction: $\pi^+ \to e^+ + \nu_e$. Which of the four forces in nature is responsible for this decay? How do you know?
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