id sid tid token lemma pos 5q47rn31z0d 1 1 the the DET 5q47rn31z0d 1 2 stellar stellar ADJ 5q47rn31z0d 1 3 nucleosynthesis nucleosynthesis NOUN 5q47rn31z0d 1 4 of of ADP 5q47rn31z0d 1 5 60fe 60fe NOUN 5q47rn31z0d 1 6 is be AUX 5q47rn31z0d 1 7 currently currently ADV 5q47rn31z0d 1 8 a a DET 5q47rn31z0d 1 9 topic topic NOUN 5q47rn31z0d 1 10 of of ADP 5q47rn31z0d 1 11 great great ADJ 5q47rn31z0d 1 12 interest interest NOUN 5q47rn31z0d 1 13 to to ADP 5q47rn31z0d 1 14 the the DET 5q47rn31z0d 1 15 nuclear nuclear ADJ 5q47rn31z0d 1 16 astrophysics astrophysic NOUN 5q47rn31z0d 1 17 community community NOUN 5q47rn31z0d 1 18 . . PUNCT 5q47rn31z0d 2 1 observations observation NOUN 5q47rn31z0d 2 2 of of ADP 5q47rn31z0d 2 3 the the DET 5q47rn31z0d 2 4 decay decay NOUN 5q47rn31z0d 2 5 signature signature NOUN 5q47rn31z0d 2 6 of of ADP 5q47rn31z0d 2 7 the the DET 5q47rn31z0d 2 8 long long ADV 5q47rn31z0d 2 9 - - PUNCT 5q47rn31z0d 2 10 lived live VERB 5q47rn31z0d 2 11 radioisotopes radioisotope NOUN 5q47rn31z0d 2 12 60fe 60fe ADV 5q47rn31z0d 2 13 and and CCONJ 5q47rn31z0d 2 14 26al 26al VERB 5q47rn31z0d 2 15 by by ADP 5q47rn31z0d 2 16 & & CCONJ 5q47rn31z0d 2 17 gamma;-ray gamma;-ray PROPN 5q47rn31z0d 2 18 observatories observatory NOUN 5q47rn31z0d 2 19 have have AUX 5q47rn31z0d 2 20 offered offer VERB 5q47rn31z0d 2 21 a a DET 5q47rn31z0d 2 22 unique unique ADJ 5q47rn31z0d 2 23 observational observational ADJ 5q47rn31z0d 2 24 constraint constraint NOUN 5q47rn31z0d 2 25 on on ADP 5q47rn31z0d 2 26 massive massive ADJ 5q47rn31z0d 2 27 star star NOUN 5q47rn31z0d 2 28 models model NOUN 5q47rn31z0d 2 29 . . PUNCT 5q47rn31z0d 3 1 as as SCONJ 5q47rn31z0d 3 2 both both DET 5q47rn31z0d 3 3 isotopes isotope NOUN 5q47rn31z0d 3 4 are be AUX 5q47rn31z0d 3 5 thought think VERB 5q47rn31z0d 3 6 to to PART 5q47rn31z0d 3 7 be be AUX 5q47rn31z0d 3 8 co co VERB 5q47rn31z0d 3 9 - - VERB 5q47rn31z0d 3 10 produced produce VERB 5q47rn31z0d 3 11 in in ADP 5q47rn31z0d 3 12 massive massive ADJ 5q47rn31z0d 3 13 stars star NOUN 5q47rn31z0d 3 14 , , PUNCT 5q47rn31z0d 3 15 the the DET 5q47rn31z0d 3 16 observed observed ADJ 5q47rn31z0d 3 17 ratio ratio NOUN 5q47rn31z0d 3 18 of of ADP 5q47rn31z0d 3 19 the the DET 5q47rn31z0d 3 20 line line NOUN 5q47rn31z0d 3 21 intensities intensity NOUN 5q47rn31z0d 3 22 is be AUX 5q47rn31z0d 3 23 expected expect VERB 5q47rn31z0d 3 24 to to PART 5q47rn31z0d 3 25 be be AUX 5q47rn31z0d 3 26 well well ADV 5q47rn31z0d 3 27 predicted predict VERB 5q47rn31z0d 3 28 by by ADP 5q47rn31z0d 3 29 the the DET 5q47rn31z0d 3 30 models model NOUN 5q47rn31z0d 3 31 . . PUNCT 5q47rn31z0d 4 1 meaningful meaningful ADJ 5q47rn31z0d 4 2 comparisons comparison NOUN 5q47rn31z0d 4 3 between between ADP 5q47rn31z0d 4 4 models model NOUN 5q47rn31z0d 4 5 and and CCONJ 5q47rn31z0d 4 6 observation observation NOUN 5q47rn31z0d 4 7 depend depend VERB 5q47rn31z0d 4 8 crucially crucially ADV 5q47rn31z0d 4 9 on on ADP 5q47rn31z0d 4 10 reliable reliable ADJ 5q47rn31z0d 4 11 inputs input NOUN 5q47rn31z0d 4 12 concerning concern VERB 5q47rn31z0d 4 13 the the DET 5q47rn31z0d 4 14 underlying underlying ADJ 5q47rn31z0d 4 15 nuclear nuclear ADJ 5q47rn31z0d 4 16 reactions reaction NOUN 5q47rn31z0d 4 17 , , PUNCT 5q47rn31z0d 4 18 and and CCONJ 5q47rn31z0d 4 19 while while SCONJ 5q47rn31z0d 4 20 much much ADJ 5q47rn31z0d 4 21 work work NOUN 5q47rn31z0d 4 22 has have AUX 5q47rn31z0d 4 23 been be AUX 5q47rn31z0d 4 24 performed perform VERB 5q47rn31z0d 4 25 by by ADP 5q47rn31z0d 4 26 stellar stellar ADJ 5q47rn31z0d 4 27 modelers modeler NOUN 5q47rn31z0d 4 28 to to PART 5q47rn31z0d 4 29 resolve resolve VERB 5q47rn31z0d 4 30 an an DET 5q47rn31z0d 4 31 initial initial ADJ 5q47rn31z0d 4 32 disagreement disagreement NOUN 5q47rn31z0d 4 33 with with ADP 5q47rn31z0d 4 34 observation observation NOUN 5q47rn31z0d 4 35 , , PUNCT 5q47rn31z0d 4 36 the the DET 5q47rn31z0d 4 37 production production NOUN 5q47rn31z0d 4 38 and and CCONJ 5q47rn31z0d 4 39 destruction destruction NOUN 5q47rn31z0d 4 40 cross cross NOUN 5q47rn31z0d 4 41 sections section NOUN 5q47rn31z0d 4 42 for for ADP 5q47rn31z0d 4 43 60fe 60fe ADJ 5q47rn31z0d 4 44 nucleosynthesis nucleosynthesis NOUN 5q47rn31z0d 4 45 have have AUX 5q47rn31z0d 4 46 remained remain VERB 5q47rn31z0d 4 47 purely purely ADV 5q47rn31z0d 4 48 theoretical theoretical ADJ 5q47rn31z0d 4 49 . . PUNCT 5q47rn31z0d 5 1 the the DET 5q47rn31z0d 5 2 purpose purpose NOUN 5q47rn31z0d 5 3 of of ADP 5q47rn31z0d 5 4 this this DET 5q47rn31z0d 5 5 work work NOUN 5q47rn31z0d 5 6 is be AUX 5q47rn31z0d 5 7 to to PART 5q47rn31z0d 5 8 experimentally experimentally ADV 5q47rn31z0d 5 9 constrain constrain VERB 5q47rn31z0d 5 10 the the DET 5q47rn31z0d 5 11 primary primary ADJ 5q47rn31z0d 5 12 production production NOUN 5q47rn31z0d 5 13 and and CCONJ 5q47rn31z0d 5 14 destruction destruction NOUN 5q47rn31z0d 5 15 reactions reaction NOUN 5q47rn31z0d 5 16 , , PUNCT 5q47rn31z0d 5 17 59fe(n,γ)60fe 59fe(n,γ)60fe X 5q47rn31z0d 5 18 and and CCONJ 5q47rn31z0d 5 19 60fe(n,γ)61fe 60fe(n,γ)61fe NUM 5q47rn31z0d 5 20 respectively respectively ADV 5q47rn31z0d 5 21 , , PUNCT 5q47rn31z0d 5 22 through through ADP 5q47rn31z0d 5 23 coulomb coulomb NOUN 5q47rn31z0d 5 24 dissociation dissociation NOUN 5q47rn31z0d 5 25 and and CCONJ 5q47rn31z0d 5 26 direct direct ADJ 5q47rn31z0d 5 27 neutron neutron NOUN 5q47rn31z0d 5 28 activation activation NOUN 5q47rn31z0d 5 29 techniques technique NOUN 5q47rn31z0d 5 30 . . PUNCT