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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. 32-4zp *l; x s*3rxhb)n(bk, that could produce a lhs (zbx3)p*r*bx;nk $\pi^0$.
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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, sopfp hjo ; vf*xafyrcda015 1.ol d(50l that its kinetic energy is much greap0o lxdaf5 pf0 5jhc;(.d*rfay1vol 1ter than its 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 col tq.0tzgr;sb // :mjvnstituents of normal atoms, consist of? What might happen if/.; mz:qtltr0jb/ g vs antimatter, made of such antiatoms, came in contact with our normal world of matter?
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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 *1 )r btaz1yp;xjwrr 8signals 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 prodhm6. tgs+*wab 0a bf5tucts of a particle necessarily mean that the decay occurs via the weak intsa +b. w6ha*gt5tfb0meraction? Do all decays via the weak interaction produce a 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 via the weak interactione(ooo 8 efeku- /p*/qt even though the neutron and one of its decay products-fqtoo /8kep e(*/oue (proton) are strongly interacting?
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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 interactionb:bt r1 -)gcscfp(* ujs (strong, electromagnetic, weak, gravitational) does an (spccft 1)j* b: ub-grelectron take part 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 andb,d3 y d (mz 5kljg4lhzqc:z13 baryon number are conserved in each of the decays in Table 32-2gd3:kl3j5qzzzcd,( m y4 lhb1.
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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 electro)p6 nueomnvh2x6 +yn3 magnetic interactixmue ) n 6+y2o63nvhnpon?
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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 th6y32tf +vh8fewj.g oj e weak interaction?
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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 why,4f+k o wees7hc (-5hkq 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 electromagnetic int pze cj4xx*780tvbz qrhbq(i.-)fo2keractioi)fvqq( - kt reojp2bzz*74c8x hb.x0n?
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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 t zj zv67oxi/hszuw0gm/b4;p - he weak interaction?
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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" tgw*6 5qx1lkn +3yt:y7p ckujuhat was massless, had no color charge or electrical charge, and did not feel the weak force. Could you c7u3 :j5x6nwy qk+ty*gp luk1 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 be b ku)7 e/1osbn5bvh9k coth
(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 possible to find partnq: 39jzns p0oicles made up of two quarks and no antiquarks? What about n309:nzj so pqtwo quarks and two antiquarks?
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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 whe;e+7top 2ly6nffru1 r n they are inside the nucleus?76 f +r nluyero;21ptf
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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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