sigma and kappa

Collection of data
on the most reluctant light scalar mesons
(for references, just click on a data point and then on the corresponding year in the upper line of the table)
(for the densily populated area (in red, only for σ) you may wish to zoom once or twice)


Average σ pole position (507 ± 110) -i (267 ± 104) MeV	Average κ pole position (782 ± 123) -i (244 ± 101) MeV

from: Eef van Beveren and George Rupp, hep-ph/0201006

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Below, find tabulated the real and imaginary parts of the poles for each of the datapoints.
When you click on the year then you obtain the complete reference.
When you click on return then you return to the figures.

reference	σ (MeV)	nearby poles	κ (MeV)	nearby poles	<<<
1968			725 - i 14		return
1968			1100 - i 200		return
1969			1100 - i 190		return
1970	425 - i 110				return
1971	428 - i 265				return
1972	480 - i 475				return
1973	660 - i 320				return
1973	460 - i 338		665 - i 420		return
1974			800 - i 100		return
1979	750 - i 400				return
1982	750 - i 140		800 - i 40	2003	return
1986	470 - i 208	1999	727 - i 263	2009	return
1987	910 - i 350				return
1988			905 - i 273	2000 2004	return
1989	482 - i 163	2001 2010			return
1993	408 - i 342				return
1994	420 - i 370				return
1994	370 - i 365				return
1994	506 - i 247				return
1995	387 - i 305				return
1996	470 - i 250				return
1996	559 - i 185				return
1996	602 - i 196		875 - i 335		return
1997	440 - i 245	1999 2001 2006			return
		2013 2016
1997			998 - i 79		return
1998	422 - i 213				return
1998	590 - i 355				return
1998			911 - i 158		return
1999	400 - i 200				return
1999	442 - i 227	1999 2003 2004	770 - i 250		return
1999	445 - i 235	1997 2001 2006			return
		2013 2016
1999	431 - i 325	2002 2002 2006			return
1999	518 - i 261				return
1999	469 - i 203	1986			return
1999	445 - i 221	1999 2003 2004	779 - i 330		return
1999	593 - i 250				return
2000	585 - i 193		905 - i 273	1988 2004	return
2000	732 - i 123				return
2000	540 - i 193				return
2000			708 - i 305		return
2001	498 - i 321				return
2001	449 - i 241	1997 1999 2006			return
		2013 2016
2001	478 - i 162	1989 2010			return
2001	610 - i 620				return
2001	360 - i 530				return
2001	470 - i 295				return
2001	390 - i 141				return
2001			714 - i 228		return
2002	778 - i 71				return
2002	600 - i 605				return
2002	431 - i 325	1999 2002 2006			return
2002	431 - i 325	1999 2002 2006			return
2002	526 - i 155				return
2002			797 - i 205		return
2003	350 - i 75		800 - i 34	1982	return
2003	720 - i 123		960 - i 31		return
2003	483 - i 353				return
2003	459 - i 233		737 - i 248	2006	return
2003	443 - i 216	1999 1999 2004			return
2003			450 - i 480		return
2004	440 - i 216	1999 1999 2003	754 - i 230		return
2004	541 - i 252	2006			return
2004			688 - i 307	2006	return
2004			905 - i 273	1988 2000	return
2005	470 - i 285				return
2005	579 - i 230				return
2006	530 - i 226		745 - i 316		return
2006	868 - i 606				return
2006	541 - i 252	2004			return
2006	447 - i 242	1997 1999 2001			return
		2013 2016
2006	430 - i 325	1999 2002 2002			return
2006			750 - i 342		return
2006			841 - i 309		return
2006			855 - i 126		return
2006			658 - i 279		return
2006			728 - i 247	2003	return
2006			694 - i 303	2004	return
2007	484 - i 255				return
2007	600 - i 125				return
2007	552 - i 232	2013			return
2007	472 - i 271				return
2007			856 - i 232		return
2008	478 - i 262				return
2008	463 - i 259	2010 2010 2012			return
2008			770 - i 221		return
2009	464 - i 217		722 - i 266	1986	return
2009	411 - i 272				return
2009	550 - i 200				return
2010	596 - i 494				return
2010	452 - i 260	2008 2010 2012			return
2010	453 - i 271	2011 2011 2016			return
2010	460 - i 260	2008 2010 2012			return
2010	364 - i 356				return
2010	486 - i 170	1989 2001			return
2010	530 - i 200				return
2010			849 - i 256		return
2010			663 - i 329		return
2011	442 - i 274	2010 2011 2016			return
2011	457 - i 279	2010 2011 2016			return
2011	390 - i 235				return
2011			764 - i 306		return
2012	458 - i 261	2008 2010 2010			return
2012	706 - i 236				return
2013	442 - i 246	1997 1999 2001			return
		2006 2016
2013	550 - i 232	2007	850 - i 155		return
2013	600 - i 318				return
2013			650 - i 305	2016	return
2014	453 - i 297	2016			return
2016	442 - i 246	1997 1999 2001	643 - i 303	2013	return
		2006 2013
2016	449 - i 275	2010 2011 2011			return
2016	457 - i 292	2014			return
2017			670 - i 295	2017	return
2017			683 - i 331		return
2017			670 - i 295	2017	return

Sigma resonance

Link to inSPIRE for sigma meson references

Notice that some works are NOT related to the SIGMA MESON
but nevertheless have the words meson and sigma in the title.

Kappa resonance

Particle Listings 2004
Link to inSPIRE for kappa meson references

Notice that some works are NOT related to the KAPPA MESON
but nevertheless have the words meson and kappa in the title.