154 lines
5.2 KiB
Python
Executable File
154 lines
5.2 KiB
Python
Executable File
#!/usr/local/bin/python3
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################################################
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import sys
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if len(sys.argv) == 1 :
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print( "usage :" )
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print( "%s AZ [maxEx]" % sys.argv[0] )
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print( "e.g. %s 17O --> 17O ground state data" % sys.argv[0])
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print( "e.g. %s 20O 5 --> 20O ground state data and excited state < 5 MeV" % sys.argv[0])
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exit()
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################################################
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import pandas as pd
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# the API webpage
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# https://www-nds.iaea.org/relnsd/vcharthtml/api_v0_guide.html#examples
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# the service URL
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livechart = "https://nds.iaea.org/relnsd/v0/data?"
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import urllib.request
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def lc_read_csv(url):
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req = urllib.request.Request(url)
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req.add_header('User-Agent', 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:77.0) Gecko/20100101 Firefox/77.0')
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return pd.read_csv(urllib.request.urlopen(req))
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haha = lc_read_csv(livechart + 'fields=ground_states&nuclides=all')
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mp = 938.27208816; #MeV/c^2
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mn = 939.56542052;
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def FindZ(AZ):
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query = livechart + "fields=ground_states&nuclides=" + AZ
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temp = lc_read_csv(query);
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try :
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return temp['z']
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except :
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return 'na'
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def FindSym(Z):
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try:
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return (haha['symbol'][haha['z']==Z]).iloc[0]
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except:
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return 'na'
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def Mass(A, Z):
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try :
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BEA = float(haha['binding'][haha['z']==Z][haha['n']==(A-Z)].iloc[0])/1000
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return (A-Z)*mn + Z*mp - A * BEA
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except :
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return -404
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def MassSym(AZ):
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query = livechart + "fields=ground_states&nuclides=" + AZ
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temp = lc_read_csv(query);
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Z = temp['z']
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N = temp['n']
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try :
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return Z*mp + N*mn - (Z+N)*temp['binding']/1000
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except:
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return -404
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def Sp(A,Z,a,z):
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mA = Mass(A,Z)
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mB = Mass(A-a, Z-z)
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if z == 0 :
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mb = a * mn
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elif a == z :
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mb = a * mp
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else :
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mb = Mass(a,z)
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if (mB == -404 or mb == -404 or mA == -404) :
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return -404
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else:
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return mB + mb - mA
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def Ex(AZ, maxMeV):
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query = livechart + "fields=levels&nuclides=" + AZ
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tempEx = lc_read_csv(query);
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try :
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return tempEx[['energy', 'jp']][tempEx['energy']<= maxMeV * 1000]
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except:
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return -404
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def Info(AZ):
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query = livechart + "fields=ground_states&nuclides=" + AZ
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temp = lc_read_csv(query);
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print("============================================== " + AZ )
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try :
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Z = temp['z'][0]
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N = temp['n'][0]
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mass = float(Z*mp + N*mn - (Z+N)*temp['binding'].iloc[0]/1000)
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halfLife = temp['half_life_sec'][0]
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print(" A : %3d, Z : %3d, N : %3d, Mass : %.4f MeV" % (Z+N, Z, N, mass))
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print("Jpi : %3s, half-live : %s sec" % (temp['jp'][0], halfLife))
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print("Sn : %8.3f MeV, Sp : %8.3f MeV" % (Sp(Z+N,Z, 1, 0), Sp(Z+N,Z, 1, 1)))
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print("S2n : %8.3f MeV, S2p : %8.3f MeV, Sd : %8.3f MeV" % (Sp(Z+N,Z, 2, 0), Sp(Z+N,Z, 2, 2), Sp(Z+N, Z, 2, 1)))
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print("S3n : %8.3f MeV, S3p : %8.3f MeV, St : %8.3f MeV, S(3He) : %8.3f MeV" % (Sp(Z+N,Z, 3, 0), Sp(Z+N,Z, 3, 3), Sp(Z+N, Z, 3, 1), Sp(Z+N, Z, 3, 2)))
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print("S4n : %8.3f MeV, S4p : %8.3f MeV, Sa : %8.3f MeV" % (Sp(Z+N,Z, 4, 0), Sp(Z+N,Z, 4, 4), Sp(Z+N, Z, 4, 2)))
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print(" magnetic dipole : " + temp['magnetic_dipole'][0] + " mu.N")
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print("electric quadruple : " + temp['electric_quadrupole'][0] + " barn")
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if halfLife > 0 :
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print('------------ decay mode:')
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for i in range(1, 4) :
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print("%5s %s %%" % (temp["decay_%d" % i][0], temp["decay_%d_%%" % i][0]))
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print('--------------------------')
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except :
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dummy = 1
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print("====================================================\n")
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#outfile = open("%s.txt" % AZ, "w")
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#outfile.write("============================================== " + AZ + "\n")
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#try :
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# Z = temp['z'][0]
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# N = temp['n'][0]
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# mass = Z*mp + N*mn - (Z+N)*temp['binding']/1000
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# halfLife = temp['half_life_sec'][0]
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# outfile.write(" A : %3d, Z : %3d, N : %3d, Mass : %.4f MeV \n" % (Z+N, Z, N, mass))
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# outfile.write("Jpi : %3s, half-live : %s sec \n" % (temp['jp'][0], halfLife))
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# outfile.write("Sn : %8.3f MeV, Sp : %8.3f MeV \n" % (Sp(Z+N,Z, 1, 0), Sp(Z+N,Z, 1, 1)))
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# outfile.write("S2n : %8.3f MeV, S2p : %8.3f MeV, Sd : %8.3f MeV \n" % (Sp(Z+N,Z, 2, 0), Sp(Z+N,Z, 2, 2), Sp(Z+N, Z, 2, 1)))
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# outfile.write("S3n : %8.3f MeV, S3p : %8.3f MeV, St : %8.3f MeV, S(3He) : %8.3f MeV \n" % (Sp(Z+N,Z, 3, 0), Sp(Z+N,Z, 3, 3), Sp(Z+N, Z, 3, 1), Sp(Z+N, Z, 3, 2)))
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# outfile.write("S4n : %8.3f MeV, S4p : %8.3f MeV, Sa : %8.3f MeV \n" % (Sp(Z+N,Z, 4, 0), Sp(Z+N,Z, 4, 4), Sp(Z+N, Z, 4, 2)))
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# outfile.write(" magnetic dipole : " + temp['magnetic_dipole'][0] + " mu.N\n")
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# outfile.write("electric quadruple : " + temp['electric_quadrupole'][0] + " barn \n")
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# if halfLife > 0 :
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# outfile.write('------------ decay mode: \n')
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# for i in range(1, 4) :
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# outfile.write("%5s %s %% \n" % (temp["decay_%d" % i][0], temp["decay_%d_%%" % i][0]))
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# outfile.write('-------------------------\n')
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#except :
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# dummy = 1
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#outfile.write("====================================================\n")
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#outfile.close();
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#
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#infile = open("%s.txt" % AZ, "r")
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#Lines = infile.readlines()
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#
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#for line in Lines:
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# print(line.strip("\n"))
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#
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#infile.close();
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################################################
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AZ = sys.argv[1];
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maxEx = 0;
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if len(sys.argv) > 2 :
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maxEx = float(sys.argv[2]);
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Info(AZ)
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if maxEx > 0 :
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print( Ex(AZ, float(maxEx)) )
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