Towards nuclear reactions from lattice QCD
"In this talk I will motivate the evaluation of nuclear reactions cross sections from Lattice Quantum Chromodynamics (LQCD) and discuss challenges associated with such calculations. In particular, I will explore the connection between the energy spectrum of a three-body system in a finite volume and infinite volume scattering matrix elements using an effective field theoretical approach. The implication of this formalism for studying systems composed of a particle and a bound-state below the bound-state break-up will be discussed. I will briefly discuss the similarities of the three-body problem and that of two-body coupled-channels systems and will comment on extensions of the formalism above the break-up threshold."
#!/usr/common/usg/python/2.7.1/bin/python import h5py import os hh=h5py.File('cl21_32_256.hdf5','w') flist=os.listdir('GLUONIC') <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="d20d67ab-39b3-4820-a22a-dac9ed99dced"><ac:plain-text-body><![CDATA[clist=[]]]></ac:plain-text-body></ac:structured-macro> <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="b5d32e00-85d9-41de-894d-d9b9421765ac"><ac:plain-text-body><![CDATA[slist=[]]]></ac:plain-text-body></ac:structured-macro> for f in flist: print f c=f.replace('.hdf5','') clist.append(c) ii=h5py.File('GLUONIC/'+f,'r') ll=list(ii) ll.remove('info') <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="37e09a9d-ac19-4fed-9cc0-5f4177e4ef79"><ac:plain-text-body><![CDATA[ ns=ii['info/N_src'][()]]]></ac:plain-text-body></ac:structured-macro> slist.append(ns) <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="8d6e189f-c31b-4d8f-8f4a-6ada79d42efd"><ac:plain-text-body><![CDATA[ if f == flist[0]:]]></ac:plain-text-body></ac:structured-macro> <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="59f82305-dcbb-4d36-88ee-1a9dc7199c82"><ac:plain-text-body><![CDATA[ nt=ii['info/Nt'][()]]]></ac:plain-text-body></ac:structured-macro> <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="1b916f2f-ed22-4eca-aa7a-4302f698739b"><ac:plain-text-body><![CDATA[ nx=ii['info/Nx'][()]]]></ac:plain-text-body></ac:structured-macro> for l in ll: hh.create_group(l) for l in ll: <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="3574b7f0-b525-46ac-ab6c-7407bd5c6c76"><ac:plain-text-body><![CDATA[ hh[l].create_dataset(c,data=ii[l])]]></ac:plain-text-body></ac:structured-macro> hh.create_dataset('config_list',data=clist) hh.create_dataset('nsrc_list',data=slist) hh.close() |