use updated stopping coefficients for hydrogen-like projectiles
- The stopping coefficients from ICRU Report 49 (published in 1993) are now fairly old, with many originating from the even older compilation by Anderson & Ziegler (published in 1977). For some target elements, little experimental data was available at the time of publication and the tabulated values are not necessarily reliable. - This patch provides revised values for stopping coefficients in select elemental targets derived from Varelas-Biersack fits to stopping data compiled in the IAEA's database (https://www-nds.iaea.org/stopping/). For further details on their determination, see e.g.: https://doi.org/10.48550/arXiv.2212.11081 - When creating input files for trimspNL using the GUI, the default behaviour is changed to prefer using the revised coefficients. In instances where updated values are unavailable (e.g., due to lack of experimental data), fall back to using the coefficients from ICRU Report 49.
This commit is contained in:
70
TrimSPlib.js
70
TrimSPlib.js
@@ -448,7 +448,75 @@ function StoppingCoefficients(Element)
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"U":"7.29000,8.20400,19180.00000,586.29999,0.00267",
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"":"0.00000,0.00000,0.00000,0.00000,0.00000"
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};
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return StoppingCoefficientsICRU[Element];
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// Updated Anderson-Ziegler table values for hydrogen projectiles using
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// up-to-date stopping data from the IAEA database (https://www-nds.iaea.org/stopping/).
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// For further details on their determination, see e.g.:
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// R. M. L. McFadden at al., arXiv:2212.11081 [cond-mat.supr-con]
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// https://doi.org/10.48550/arXiv.2212.11081
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var StoppingCoefficientsIAEA = {
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"H": "1.21941306,1.39705253,316.72610292,3622.08960714,0.03609996",
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"Li": "2.55867734,2.98398784,672.22623329,223.63937274,0.05756479",
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"Be": "2.13846776,2.43024550,1353.80005691,500.78353377,0.01143076",
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"B": "2.92598306,3.33271910,1523.83401267,574.31712932,0.01671298",
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"C": "2.51057212,2.84874359,1325.63086028,2111.57332043,0.03815981",
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"N": "3.03231463,3.44621744,1287.27189959,3445.25706665,0.06909550",
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"O": "2.58218404,2.91913321,2066.69556610,1937.28839450,0.01708201",
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"Mg": "4.32219620,4.95332934,2711.05757349,99.32422512,0.01692829",
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"Al": "4.16266645,4.73942640,3007.21967155,192.15430476,0.01478852",
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"Si": "4.56277193,5.17964542,3812.93366288,249.45105835,0.00951865",
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"Cl": "5.18954121,5.87010049,5726.20198003,338.90592713,0.00527894",
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"Ca": "7.38419020,8.41800474,4257.94547049,311.84732092,0.01482602",
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"Sc": "6.27366940,7.11486087,5202.32117316,349.64931132,0.00808596",
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"Ti": "4.89215322,5.52996090,4733.05002706,821.54929980,0.01141794",
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"V": "4.39418898,4.95984106,5216.28902299,873.00768319,0.00982301",
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"Cr": "4.22355616,4.76724205,4805.40719904,1062.25237873,0.01508696",
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"Mn": "3.45870888,3.89580224,5452.18588822,1778.16054656,0.01057380",
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"Fe": "3.69846643,4.16916938,5392.90710239,1040.38447053,0.01152298",
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"Co": "3.55890909,4.00775461,6796.04145497,933.86447935,0.00558368",
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"Ni": "3.42262695,3.86234880,4759.65515188,520.18934465,0.02026669",
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"Cu": "3.54912421,4.02142201,4344.22605325,128.32905834,0.02886218",
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"Zn": "4.31895518,4.91763977,5346.03925560,46.16548699,0.01518164",
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"Ga": "4.11015447,4.63998531,7681.41419449,149.38563152,0.00628772",
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"Ge": "5.80984815,6.60667983,6039.04808738,87.19744473,0.01158192",
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"Se": "5.58734301,6.31119973,8423.01872583,221.61559131,0.00530434",
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"Br": "6.28480648,7.09489448,11732.76411988,150.96205589,0.00281298",
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"Kr": "6.47378266,7.31581518,9199.06183849,216.98680923,0.00437111",
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"Rb": "8.48759187,9.62951209,7271.11124671,272.67996745,0.00818815",
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"Sr": "8.66447838,9.84912713,5979.31960977,334.15705556,0.01184544",
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"Y": "7.54854264,8.54789357,6885.34110669,429.53252110,0.00930644",
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"Zr": "6.24168401,7.04236496,10674.06252597,269.66181445,0.00339805",
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"Nb": "5.96194954,6.72632300,10250.57513827,275.25886405,0.00386599",
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"Mo": "5.58867862,6.29983727,9573.16605660,523.57577519,0.00473082",
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"Pd": "4.74762031,5.34871025,8086.17802763,942.05721488,0.00842671",
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"Ag": "5.42052240,6.17824432,4642.18214950,90.75350922,0.06061521",
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"Cd": "4.89128643,5.50754704,11831.77188508,396.06905848,0.00412049",
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"In": "5.98978289,6.77050040,6343.54720062,564.65410792,0.02270520",
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"Sn": "6.73191335,7.61854414,6946.18830598,347.19391310,0.01677246",
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"Sb": "7.92400389,8.99628409,5736.29881090,403.11722206,0.02973016",
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"Xe": "8.96826400,10.16224223,8543.27304860,283.90067433,0.01019984",
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"La": "8.16949326,9.21144395,13933.96869212,429.99442382,0.00347440",
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"Nd": "8.60801371,10.26060598,6798.65217629,7.06731816,0.02713704",
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"Gd": "8.38379061,9.50012183,10804.38767518,110.71066098,0.00761735",
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"Tb": "8.69907359,10.36476708,5985.09307671,7.76175759,0.04237031",
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"Dy": "6.69350026,7.81543484,5289.65107666,12.11560717,0.05746489",
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"Er": "4.31497049,4.85346547,12995.54504003,691.00380321,0.00499022",
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"Yb": "6.38304258,7.21491284,12327.74719685,82.30064162,0.00516845",
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"Lu": "7.00205766,8.09268611,4589.67801229,31.06321362,0.11142124",
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"Hf": "5.32763157,6.00140558,13853.49562768,206.93150053,0.00411522",
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"Ta": "5.15280708,5.80545310,12417.25115167,231.48549646,0.00530723",
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"W": "4.81261962,5.41579909,15245.84079976,286.09077182,0.00344862",
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"Re": "4.26021967,4.80273372,3191.05524918,76051.48730893,0.00003161",
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"Ir": "4.16543126,4.68849191,6887.94139926,4263.90641919,0.00000004",
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"Pt": "4.62228847,5.20033612,16308.49878855,266.02263275,0.00309560",
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"Au": "4.84253074,5.44769072,15602.21662947,412.25485588,0.00331383",
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"Pb": "9.42473604,17.46235676,11946.86905435,0.00000001,0.00652912",
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"Bi": "10.25823796,12.26670424,7765.05387481,7.37274504,0.02310050"
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};
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// prefer using stopping coefficients derived from data in the IAEA database;
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// however, if they are unavailable, return those from ICRU Report 49
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return (Element in StoppingCoefficientsIAEA) ? StoppingCoefficientsIAEA[Element] : StoppingCoefficientsICRU[Element];
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}
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