more work on nuce2100hw3
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@ -118,19 +118,41 @@
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"source": [
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"---\n",
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"## Question 2\n",
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"A beam o f2 MeV neutrons is incident on a slab of heavy water (D2O). The total cross sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively.\n",
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"A beam of 2 MeV neutrons is incident on a slab of heavy water (D2O). The total cross sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively.\n",
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"\n",
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"### Part A\n",
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"What is the macroscopic total cross section of D2O at 2 MeV?"
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"What is the macroscopic total cross section of D2O at 2 MeV?\n",
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"\n",
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"[Heavy water properties](https://srd.nist.gov/jpcrdreprint/1.555714.pdf)\n",
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"\n",
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"[Heavy water molar mass](https://www.acs.org/molecule-of-the-week/archive/d/deuterium-oxide.html)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 3,
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"id": "adc08334-42a5-4b84-8d91-c28a877d1ee5",
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"metadata": {},
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"outputs": [],
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"source": []
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"The macroscopic total cross section of D2O is 2.270e-01 1/cm\n"
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]
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}
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],
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"source": [
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"d2o_cross_section = (2*2.6+1.6)*1e-24 #cm^2\n",
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"d2o_rho = 1.11 #g/cm^3\n",
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"d2o_mass = 20.03 #g/mol\n",
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"avo_no = 6.023e23 #atoms / mol\n",
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"\n",
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"N = avo_no * d2o_rho / d2o_mass\n",
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"\n",
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"d2o_sigma = N * d2o_cross_section\n",
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"print(f\"The macroscopic total cross section of D2O is {d2o_sigma:.3e} 1/cm\")"
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]
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},
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{
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"cell_type": "markdown",
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@ -118,19 +118,41 @@
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"source": [
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"---\n",
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"## Question 2\n",
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"A beam o f2 MeV neutrons is incident on a slab of heavy water (D2O). The total cross sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively.\n",
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"A beam of 2 MeV neutrons is incident on a slab of heavy water (D2O). The total cross sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively.\n",
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"\n",
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"### Part A\n",
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"What is the macroscopic total cross section of D2O at 2 MeV?"
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"What is the macroscopic total cross section of D2O at 2 MeV?\n",
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"\n",
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"[Heavy water properties](https://srd.nist.gov/jpcrdreprint/1.555714.pdf)\n",
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"\n",
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"[Heavy water molar mass](https://www.acs.org/molecule-of-the-week/archive/d/deuterium-oxide.html)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 3,
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"id": "adc08334-42a5-4b84-8d91-c28a877d1ee5",
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"metadata": {},
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"outputs": [],
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"source": []
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"The macroscopic total cross section of D2O is 2.270e-01 1/cm\n"
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]
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}
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],
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"source": [
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"d2o_cross_section = (2*2.6+1.6)*1e-24 #cm^2\n",
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"d2o_rho = 1.11 #g/cm^3\n",
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"d2o_mass = 20.03 #g/mol\n",
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"avo_no = 6.023e23 #atoms / mol\n",
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"\n",
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"N = avo_no * d2o_rho / d2o_mass\n",
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"\n",
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"d2o_sigma = N * d2o_cross_section\n",
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"print(f\"The macroscopic total cross section of D2O is {d2o_sigma:.3e} 1/cm\")"
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]
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},
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{
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"cell_type": "markdown",
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