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
)
Average sigma pole position
(492 ± 94) -i (261 ± 87) MeV
Average kappa pole position
(805 ± 136) -i (244 ± 107) 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.
reference
sigma (MeV)
kappa (MeV)
<<<
1968
725 - i 14
return to figures
1968
1100 - i 200
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1969
1100 - i 190
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1970
425 - i 110
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1971
428 - i 265
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1972
480 - i 475
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1973
460 - i 338
665 - i 420
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1974
800 - i 100
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1982
750 - i 140
800 - i 40
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1986
470 - i 208
727 - i 263
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1987
910 - i 350
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1988
905 - i 273
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1989
482 - i 163
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1993
408 - i 342
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1994
420 - i 370
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1994
370 - i 365
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1994
506 - i 247
return to figures
1995
387 - i 305
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1996
470 - i 250
return to figures
1996
559 - i 185
return to figures
1997
469 - i 179
return to figures
1997
602 - i 196
875 - i 335
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1997
440 - i 245
return to figures
1997
998 - i 79
return to figures
1998
442 - i 227
770 - i 250
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1998
422 - i 213
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1998
590 - i 355
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1998
911 - i 158
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1999
445 - i 235
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1999
420 - i 317
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1999
518 - i 261
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1999
445 - i 221
779 - i 330
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2000
498 - i 321
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2000
732 - i 123
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2000
540 - i 193
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2000
797 - i 205
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2000
708 - i 305
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2001
449 - i 241
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2001
478 - i 162
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2001
585 - i 193
905 - i 273
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2001
526 - i 155
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2001
610 - i 620
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2001
360 - i 530
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2001
470 - i 295
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2001
390 - i 141
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2001
714 - i 228
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2002
483 - i 353
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2002
450 - i 480
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2003
459 - i 233
737 - i 248
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2003
443 - i 216
return to figures
2003
688 - i 307
return to figures
2003
905 - i 273
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2004
440 - i 216
754 - i 230
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2004
541 - i 252
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2005
541 - i 252
750 - i 342
return to figures
2005
441 - i 272
return to figures
2005
470 - i 285
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2005
430 - i 325
return to figures
2005
600 - i 125
return to figures
2005
579 - i 230
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2006
841 - i 309
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2007
484 - i 255
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2008
478 - i 262
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2008
463 - i 259
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2009
411 - i 272
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2009
550 - i 200
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2010
452 - i 260
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2010
453 - i 271
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2010
460 - i 260
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2010
364 - i 356
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2010
486 - i 170
return to figures
2010
530 - i 200
return to figures
2011
442 - i 272
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2011
457 - i 279
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2011
390 - i 235
return to figures
2012
458 - i 261
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2012
706 - i 236
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2013
442 - i 246
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2013
550 - i 232
850 - i 155
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2013
600 - i 318
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2014
453 - i 297
return to figures
2016
449 - i 275
return to figures
2016
457 - i 292
return to figures
2017
680 - i 334
return to figures
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.