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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:983adfa64951b4c71938be02f10b2d0d40d82e513916f6ced5042486c6dc7d21"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 8: Particle Physics"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.5.1, Page 360"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable declaration\n",
+      "# Proton and antiproton annihilate to produced three pions\n",
+      "E_p = 938; # Energy of proton, MeV\n",
+      "E_pi = 139.5; # Energy of pions, MeV\n",
+      "E_pi_0 = 134.9; # Energy of pi_0_ion, MeV\n",
+      "\n",
+      "#Calculations\n",
+      "E_KE = (2*E_p-(2*E_pi+E_pi_0))/3; # The average kinetic energy of each pions, MeV\n",
+      "\n",
+      "#Result\n",
+      "print \"The average kinetic energy of each pions : %5.1f MeV\"%E_KE\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The average kinetic energy of each pions : 487.4 MeV\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.5.2, Page 360"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable declaration\n",
+      "# Here r_1 and r_2 are two decay rates are given\n",
+      "# Declare the cell\n",
+      "R1 = [[0,0],[0,0]]\n",
+      "R1[0][0] = 'r_1'\n",
+      "R1[0][1] = 'r_2'\n",
+      "\n",
+      "#Calculations&Results\n",
+      "print \"The inherent uncertainity in mass of particle = h(%s + %s) \"%(R1[0][0], R1[0][1]) "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The inherent uncertainity in mass of particle = h(r_1 + r_2) \n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.7.3, Page 362"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable declaration\n",
+      "# Declare cell for the given reaction\n",
+      "R1 = [[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0]]\n",
+      "# Enter data for the cell\n",
+      "R1[0][0] = 'p'\n",
+      "R1[0][1] = 1 \n",
+      "R1[0][2] = 1\n",
+      "R1[0][3] = 0\n",
+      "R1[0][4] = 1./2\n",
+      "R1[1][0] = 'K_+'\n",
+      "R1[1][1] = 1\n",
+      "R1[1][2] = 0\n",
+      "R1[1][3] = 1\n",
+      "R1[1][4] = 1./2\n",
+      "R1[2][0] = 'S_+'\n",
+      "R1[2][1] = 1\n",
+      "R1[2][2] = 1\n",
+      "R1[2][3] = -1\n",
+      "R1[2][4] = 1\n",
+      "R1[3][0] = 'pi_-'\n",
+      "R1[3][1] = -1\n",
+      "R1[3][2] = 0\n",
+      "R1[3][3] = 0\n",
+      "R1[3][4] = 1\n",
+      "R1[4][0] = 'S_0'\n",
+      "R1[4][1] = 0\n",
+      "R1[4][2] = 1\n",
+      "R1[4][3] = -1\n",
+      "R1[4][4] = 0\n",
+      "R1[5][0] = 'p_-'\n",
+      "R1[5][1] = -1\n",
+      "R1[5][2] = -1\n",
+      "R1[5][3] = 0\n",
+      "R1[5][4] = 1./2\n",
+      "R1[6][0] = 'n_0'\n",
+      "R1[6][1] = 0\n",
+      "R1[6][2] = 0\n",
+      "R1[6][3] = 0\n",
+      "R1[6][4] = 0\n",
+      "\n",
+      "\n",
+      "#Calculations&Results\n",
+      "def check_Isotopic_no(Ir_sum,Ip_sum):\n",
+      "    if Ir_sum == Ip_sum:\n",
+      "        f = 1;\n",
+      "    else: \n",
+      "        f = 0;\n",
+      "    return f\n",
+      "\n",
+      "\n",
+      "# Declare a function returning equality status of proton number\n",
+      "def check_strangeness(sr_sum,sp_sum):\n",
+      "    if sr_sum == sp_sum:\n",
+      "        f = 1;\n",
+      "    else:\n",
+      "        f = 0;\n",
+      "    return f\n",
+      "        \n",
+      "def check_charge(cr_sum,cp_sum):\n",
+      "    if cr_sum == cp_sum:\n",
+      "        f = 1;\n",
+      "    else:\n",
+      "        f = 0;\n",
+      "    return f\n",
+      "        \n",
+      "# Declare a function returning equality status of lepton number\n",
+      "          \n",
+      "#Reaction-I\n",
+      "print \"\\n\\nReaction-I:\\n\\n\"\n",
+      "Ir_sum = R1[0][4]+R1[0][4];\n",
+      "Ip_sum = R1[1][4]+R1[2][4];\n",
+      "if (check_Isotopic_no(Ir_sum,Ip_sum) == 0):\n",
+      "    print \"The Reaction\\n\"\n",
+      "    print \"\\t%s + %s --> %s + %s \\nis  not possible\"%(R1[0][0],R1[0][0],R1[1][0],R1[2][0])\n",
+      "\n",
+      "#Reaction-II\n",
+      "print \"\\n\\nReaction-II\"\n",
+      "sr_sum = R1[0][3]+R1[3][3];\n",
+      "sp_sum = R1[4][3]+R1[6][3];\n",
+      "if (check_strangeness(sr_sum,sp_sum)== 0):\n",
+      "    print \"\\nThe Reaction\\n\"\n",
+      "    print \"\\t%s + %s --> %s + %s \\nis not possible\"%(R1[0][0],R1[3][0],R1[4][0],R1[6][0])\n",
+      "\n",
+      "#Reaction-III\n",
+      "print \"\\n\\nReaction-III:\\n\\n\"\n",
+      "cr_sum = R1[0][1]+R1[0][1];\n",
+      "cp_sum = R1[0][1]+R1[0][1]+R1[0][1]+R1[5][1]; \n",
+      "if (check_charge(cr_sum,cp_sum) == 1):\n",
+      "    print \"The Reaction\\n\"\n",
+      "    print \"\\t%s + %s --> %s + %s + %s \\nis possible\"%(R1[0][0],R1[0][0],R1[0][0],R1[0][0],R1[5][0]) \n",
+      "       "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "\n",
+        "Reaction-I:\n",
+        "\n",
+        "\n",
+        "The Reaction\n",
+        "\n",
+        "\tp + p --> K_+ + S_+ \n",
+        "is  not possible\n",
+        "\n",
+        "\n",
+        "Reaction-II\n",
+        "\n",
+        "The Reaction\n",
+        "\n",
+        "\tp + pi_- --> S_0 + n_0 \n",
+        "is not possible\n",
+        "\n",
+        "\n",
+        "Reaction-III:\n",
+        "\n",
+        "\n",
+        "The Reaction\n",
+        "\n",
+        "\tp + p --> p + p + p_- \n",
+        "is possible\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
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