id	sid	tid	token	lemma	pos
wp988g87771	1	1	radioisotopes	radioisotope	NOUN
wp988g87771	1	2	,	,	PUNCT
wp988g87771	1	3	produced	produce	VERB
wp988g87771	1	4	in	in	ADP
wp988g87771	1	5	stars	star	NOUN
wp988g87771	1	6	and	and	CCONJ
wp988g87771	1	7	ejected	eject	VERB
wp988g87771	1	8	through	through	ADP
wp988g87771	1	9	core	core	ADJ
wp988g87771	1	10	collapse	collapse	NOUN
wp988g87771	1	11	supernovae	supernovae	NOUN
wp988g87771	1	12	(	(	PUNCT
wp988g87771	1	13	sne	sne	NOUN
wp988g87771	1	14	)	)	PUNCT
wp988g87771	1	15	,	,	PUNCT
wp988g87771	1	16	are	be	AUX
wp988g87771	1	17	important	important	ADJ
wp988g87771	1	18	for	for	ADP
wp988g87771	1	19	constraining	constrain	VERB
wp988g87771	1	20	stellar	stellar	ADJ
wp988g87771	1	21	and	and	CCONJ
wp988g87771	1	22	early	early	ADJ
wp988g87771	1	23	solar	solar	ADJ
wp988g87771	1	24	system	system	NOUN
wp988g87771	1	25	(	(	PUNCT
wp988g87771	1	26	ess	ess	NOUN
wp988g87771	1	27	)	)	PUNCT
wp988g87771	1	28	models	model	NOUN
wp988g87771	1	29	.	.	PUNCT
wp988g87771	2	1	the	the	DET
wp988g87771	2	2	presence	presence	NOUN
wp988g87771	2	3	of	of	ADP
wp988g87771	2	4	these	these	DET
wp988g87771	2	5	isotopes	isotope	NOUN
wp988g87771	2	6	(	(	PUNCT
wp988g87771	2	7	specifically	specifically	ADV
wp988g87771	2	8	60fe	60fe	ADJ
wp988g87771	2	9	)	)	PUNCT
wp988g87771	2	10	can	can	AUX
wp988g87771	2	11	identify	identify	VERB
wp988g87771	2	12	progenitors	progenitor	NOUN
wp988g87771	2	13	of	of	ADP
wp988g87771	2	14	sne	sne	NOUN
wp988g87771	2	15	,	,	PUNCT
wp988g87771	2	16	give	give	VERB
wp988g87771	2	17	evidence	evidence	NOUN
wp988g87771	2	18	for	for	ADP
wp988g87771	2	19	nearby	nearby	ADJ
wp988g87771	2	20	sne	sne	NOUN
wp988g87771	2	21	,	,	PUNCT
wp988g87771	2	22	and	and	CCONJ
wp988g87771	2	23	can	can	AUX
wp988g87771	2	24	be	be	AUX
wp988g87771	2	25	used	use	VERB
wp988g87771	2	26	as	as	ADP
wp988g87771	2	27	a	a	DET
wp988g87771	2	28	chronometer	chronometer	NOUN
wp988g87771	2	29	for	for	ADP
wp988g87771	2	30	ess	ess	NOUN
wp988g87771	2	31	events	event	NOUN
wp988g87771	2	32	.	.	PUNCT
wp988g87771	3	1	the	the	DET
wp988g87771	3	2	60fe	60fe	ADJ
wp988g87771	3	3	half	half	ADJ
wp988g87771	3	4	-	-	PUNCT
wp988g87771	3	5	life	life	NOUN
wp988g87771	3	6	,	,	PUNCT
wp988g87771	3	7	which	which	PRON
wp988g87771	3	8	has	have	AUX
wp988g87771	3	9	been	be	AUX
wp988g87771	3	10	in	in	ADP
wp988g87771	3	11	dispute	dispute	NOUN
wp988g87771	3	12	in	in	ADP
wp988g87771	3	13	recent	recent	ADJ
wp988g87771	3	14	years	year	NOUN
wp988g87771	3	15	,	,	PUNCT
wp988g87771	3	16	can	can	AUX
wp988g87771	3	17	impact	impact	VERB
wp988g87771	3	18	calculations	calculation	NOUN
wp988g87771	3	19	for	for	ADP
wp988g87771	3	20	the	the	DET
wp988g87771	3	21	timing	timing	NOUN
wp988g87771	3	22	of	of	ADP
wp988g87771	3	23	ess	ess	NOUN
wp988g87771	3	24	events	event	NOUN
wp988g87771	3	25	,	,	PUNCT
wp988g87771	3	26	the	the	DET
wp988g87771	3	27	distance	distance	NOUN
wp988g87771	3	28	to	to	ADP
wp988g87771	3	29	nearby	nearby	ADJ
wp988g87771	3	30	sne	sne	NOUN
wp988g87771	3	31	,	,	PUNCT
wp988g87771	3	32	and	and	CCONJ
wp988g87771	3	33	the	the	DET
wp988g87771	3	34	brightness	brightness	NOUN
wp988g87771	3	35	of	of	ADP
wp988g87771	3	36	individual	individual	ADJ
wp988g87771	3	37	,	,	PUNCT
wp988g87771	3	38	non	non	ADJ
wp988g87771	3	39	-	-	ADJ
wp988g87771	3	40	steady	steady	ADJ
wp988g87771	3	41	state	state	NOUN
wp988g87771	4	1	60fe	60fe	PROPN
wp988g87771	4	2	gamma	gamma	NOUN
wp988g87771	4	3	-	-	PUNCT
wp988g87771	4	4	ray	ray	NOUN
wp988g87771	4	5	sources	source	NOUN
wp988g87771	4	6	in	in	ADP
wp988g87771	4	7	the	the	DET
wp988g87771	4	8	galaxy	galaxy	NOUN
wp988g87771	4	9	.	.	PUNCT
wp988g87771	5	1	to	to	PART
wp988g87771	5	2	measure	measure	VERB
wp988g87771	5	3	such	such	DET
wp988g87771	5	4	a	a	DET
wp988g87771	5	5	long	long	ADJ
wp988g87771	5	6	half	half	ADJ
wp988g87771	5	7	-	-	PUNCT
wp988g87771	5	8	life	life	NOUN
wp988g87771	5	9	,	,	PUNCT
wp988g87771	5	10	one	one	PRON
wp988g87771	5	11	needs	need	VERB
wp988g87771	5	12	to	to	PART
wp988g87771	5	13	simultaneously	simultaneously	ADV
wp988g87771	5	14	determine	determine	VERB
wp988g87771	5	15	the	the	DET
wp988g87771	5	16	number	number	NOUN
wp988g87771	5	17	of	of	ADP
wp988g87771	5	18	atoms	atom	NOUN
wp988g87771	5	19	in	in	ADP
wp988g87771	5	20	,	,	PUNCT
wp988g87771	5	21	and	and	CCONJ
wp988g87771	5	22	the	the	DET
wp988g87771	5	23	activity	activity	NOUN
wp988g87771	5	24	of	of	ADP
wp988g87771	5	25	,	,	PUNCT
wp988g87771	5	26	an	an	DET
wp988g87771	5	27	60fe	60fe	ADJ
wp988g87771	5	28	sample	sample	NOUN
wp988g87771	5	29	.	.	PUNCT
wp988g87771	6	1	we	we	PRON
wp988g87771	6	2	have	have	AUX
wp988g87771	6	3	undertaken	undertake	VERB
wp988g87771	6	4	a	a	DET
wp988g87771	6	5	half	half	ADJ
wp988g87771	6	6	-	-	PUNCT
wp988g87771	6	7	life	life	NOUN
wp988g87771	6	8	measurement	measurement	NOUN
wp988g87771	6	9	at	at	ADP
wp988g87771	6	10	the	the	DET
wp988g87771	6	11	university	university	PROPN
wp988g87771	6	12	of	of	ADP
wp988g87771	6	13	notre	notre	PROPN
wp988g87771	6	14	dame	dame	NOUN
wp988g87771	6	15	.	.	PUNCT
wp988g87771	7	1	this	this	DET
wp988g87771	7	2	thesis	thesis	NOUN
wp988g87771	7	3	gives	give	VERB
wp988g87771	7	4	results	result	NOUN
wp988g87771	7	5	of	of	ADP
wp988g87771	7	6	both	both	CCONJ
wp988g87771	7	7	an	an	DET
wp988g87771	7	8	activity	activity	NOUN
wp988g87771	7	9	measurement	measurement	NOUN
wp988g87771	7	10	and	and	CCONJ
wp988g87771	7	11	an	an	DET
wp988g87771	7	12	accelerator	accelerator	NOUN
wp988g87771	7	13	mass	mass	NOUN
wp988g87771	7	14	spectrometry	spectrometry	NOUN
wp988g87771	7	15	(	(	PUNCT
wp988g87771	7	16	ams	ams	PROPN
wp988g87771	7	17	)	)	PUNCT
wp988g87771	7	18	measurement	measurement	NOUN
wp988g87771	7	19	on	on	ADP
wp988g87771	7	20	an	an	DET
wp988g87771	7	21	60fe	60fe	ADJ
wp988g87771	7	22	sample	sample	NOUN
wp988g87771	7	23	.	.	PUNCT
wp988g87771	8	1	this	this	PRON
wp988g87771	8	2	is	be	AUX
wp988g87771	8	3	the	the	DET
wp988g87771	8	4	first	first	ADJ
wp988g87771	8	5	time	time	NOUN
wp988g87771	8	6	that	that	PRON
wp988g87771	8	7	the	the	DET
wp988g87771	8	8	ams	ams	PROPN
wp988g87771	8	9	technique	technique	NOUN
wp988g87771	8	10	is	be	AUX
wp988g87771	8	11	coupled	couple	VERB
wp988g87771	8	12	with	with	ADP
wp988g87771	8	13	the	the	DET
wp988g87771	8	14	direct	direct	ADJ
wp988g87771	8	15	isomeric	isomeric	ADJ
wp988g87771	8	16	day	day	NOUN
wp988g87771	8	17	of	of	ADP
wp988g87771	8	18	60co	60co	NOUN
wp988g87771	8	19	instead	instead	ADV
wp988g87771	8	20	of	of	ADP
wp988g87771	8	21	the	the	DET
wp988g87771	8	22	ground	ground	NOUN
wp988g87771	8	23	state	state	NOUN
wp988g87771	8	24	decay	decay	NOUN
wp988g87771	8	25	of	of	ADP
wp988g87771	8	26	60co	60co	PROPN
wp988g87771	8	27	.	.	PUNCT
wp988g87771	9	1	the	the	DET
wp988g87771	9	2	resulting	result	VERB
wp988g87771	9	3	half	half	ADJ
wp988g87771	9	4	-	-	PUNCT
wp988g87771	9	5	life	life	NOUN
wp988g87771	9	6	from	from	ADP
wp988g87771	9	7	this	this	DET
wp988g87771	9	8	work	work	NOUN
wp988g87771	9	9	is	be	AUX
wp988g87771	9	10	(	(	PUNCT
wp988g87771	9	11	2.55	2.55	NUM
wp988g87771	9	12	+	+	NOUN
wp988g87771	9	13	/0.15	/0.15	SYM
wp988g87771	9	14	)	)	PUNCT
wp988g87771	9	15	million	million	NUM
wp988g87771	9	16	years	year	NOUN
wp988g87771	9	17	,	,	PUNCT
wp988g87771	9	18	agreeing	agree	VERB
wp988g87771	9	19	with	with	ADP
wp988g87771	9	20	the	the	DET
wp988g87771	9	21	two	two	NUM
wp988g87771	9	22	most	most	ADV
wp988g87771	9	23	recent	recent	ADJ
wp988g87771	9	24	measurements	measurement	NOUN
wp988g87771	9	25	.	.	PUNCT
wp988g87771	10	1	this	this	PRON
wp988g87771	10	2	is	be	AUX
wp988g87771	10	3	substantially	substantially	ADV
wp988g87771	10	4	longer	long	ADJ
wp988g87771	10	5	than	than	ADP
wp988g87771	10	6	the	the	DET
wp988g87771	10	7	previously	previously	ADV
wp988g87771	10	8	accepted	accept	VERB
wp988g87771	10	9	value	value	NOUN
wp988g87771	10	10	of	of	ADP
wp988g87771	10	11	(	(	PUNCT
wp988g87771	10	12	1.49	1.49	NUM
wp988g87771	10	13	+	+	NOUN
wp988g87771	10	14	/0.27	/0.27	PUNCT
wp988g87771	10	15	)	)	PUNCT
wp988g87771	10	16	million	million	NUM
wp988g87771	10	17	years	year	NOUN
wp988g87771	10	18	published	publish	VERB
wp988g87771	10	19	in	in	ADP
wp988g87771	10	20	1984	1984	NUM
wp988g87771	10	21	.	.	PUNCT