MASS

(1800) DECAY MODES ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?10
?
? ? a0 (980) ? f0 (1500) 0 (958) ? ? K (1430) K 0 ? K (892) K
?
Mode + ? ? ? f0 (980) ? f0 (1370)
Fraction (?i /?) seen seen seen not seen seen seen seen seen seen not seen
? 3 AMELIN 95B VES ? 4 BERDNIKOV 94 VES ? BELADIDZE 92C VES ? BITYUKOV 91 VES ? BELLINI 82 SPEC ?
AMELIN 96B VES
37 ? A ! ?
A
? ! 36 + A? ? A 37 ? A ? ? ! + K? K A 36 ? Be ! 0 Be ?C ! 36 ? C 40 ? A ! 3 A
WEIGHTED AVERAGE 1801±13 (Error scaled by 1.9)
VALUE (MeV)
EVTS
DOCUMENT ID
TECN
CHG
COMMENT
χ
AMELIN AMELIN BERDNIKOV BELADIDZE BITYUKOV BELLINI 96B 95B 94 92C 91 82 VES VES VES VES VES SPEC
?
CL%
DOCUMENT ID
TECN
CHG
?4 /?2
?
not seen
VALUE
? /?total
? ! 36 + A? ? A
COMMENT
DOCUMENT ID
BELLINI
82 SPEC ?
TECN
CHG
?4 /?
40 ? A ! 3 A
(1800) REFERENCES
AMELIN AMELIN BERDNIKOV BELADIDZE BITYUKOV BELLINI 96B 95B 94 92C 91 82 PAN 59 976 +Berdnikov, Bityukov+ Translated from YAF 59 1021. PL B356 595 +Berdnikov, Bityukov+ PL B337 219 +Bityukov+ SJNP 55 1535 +Bityukov, Borisov Translated from YAF 55 2748. PL B268 137 +Borisov+ PRL 48 1697 +Frabetti, Ivanshin, Litkin+ (SERP, (SERP, (SERP, (SERP, (SERP, (MILA, BGNA, TBIL) IGJPC TBIL) TBIL) TBIL) TBIL) JINR)
VALUE
0:08
?
0:03
1200
EVTS
5 AMELIN
DOCUMENT ID
96B VES
TECN
CHG
?
COMMENT
5 Assuming that f0 (1500) decays only to
VALUE
?
0 (958) ? /??
?
and a0 (980) decays only to
Review of Particle Physics: C. Caso et al. (Particle Data Group), European Physical Journal C3, 1 (1998)
(1800)
I
G
(J PC ) = 1? (0 ? + )
See also minireview under non-qq candidates. (See the index for the page number.)
OTHER RELATED PAPERS
BORISOV 92 SJNP 55 1441 +Gershtein, Zaitsev Translated from YAF 55 2583. (SERP)

Page 3
Created: 5/26/1998 13:09
2
7.6 4.5 0.6 3.5 0.3 1.1 17.6 (Confidence Level = 0.004)
2000
1700
1750
1800
1850
1900
1950
(1800) mass (MeV)
Page 1Fra bibliotekCreated: 5/26/1998 13:09
Review of Particle Physics: C. Caso et al. (Particle Data Group), European Physical Journal C3, 1 (1998) (1800) WIDTH
A
? ! 36 + A? ? A
seen
VALUE
?
?
? /?? + ? ?
0:1
BELLINI
DOCUMENT ID
82 SPEC ? 96B VES
TECN
TECN
CHG
COMMENT
40 ? A ! 3 A
0:5
1200
EVTS
DOCUMENT ID
AMELIN
CHG
?
COMMENT
37 ? A ! ?
seen
426 57
91 VES
TECN
? ?
CHG
? 36 ? Be ! 0 Be ?C ! 36 ? C
COMMENT
?9 /? ?10 /?
BERDNIKOV 94 VES
?
?
?
K
We do not use the following data for averages, ts, limits, etc. not seen BERDNIKOV 94 VES ?
VALUE
(892) K ? /?total
37 ? A ? ? ! K+ K A
DOCUMENT ID
TECN
CHG
COMMENT
?
?
VALUE
? /??f0 (980) ?
37 ? A ? ? ! K+ K A
COMMENT
We do not use the following data for averages, ts, limits, etc. <0:14 90 AMELIN 95B VES ?
(1800) BRANCHING RATIOS ? f0 (980) ? /? f0 (1370) ?
1:7 1:3
? ? f0 (1370) ? /?total
VALUE VALUE DOCUMENT ID
AMELIN
95B VES
TECN
CHG
?
COMMENT
?2 /?3 ?3 /? ?5 /?1

Page 2
Created: 5/26/1998 13:09
Review of Particle Physics: C. Caso et al. (Particle Data Group), European Physical Journal C3, 1 (1998) ? ? ? f0 (1500) ? /? a0 (980) ?7 /?6
(1800) MASS
1801 13 OUR AVERAGE Error includes scale factor of 1.9. See the ideogram below. 1840 10 10 1200 AMELIN 96B VES ? 37 ? A ! ?A 1 AMELIN ?A ! 1775 7 10 95B VES ? 36 + ? ? 2 BERDNIKOV 94 VES ? 37 ? A ! A 1790 14 + K? K ? ? A 1873 33 20 BELADIDZE 92C VES ? 36 ? Be ! 0 Be ? 1814 10 23 426 BITYUKOV 91 VES ? 36 ? C ! 57 C 1770 30 1100 BELLINI 82 SPEC ? 40 ? A ! 3 A 1 From a t to J PC = 0 ? + f0 (980) , f0 (1370) waves. 2 From a t to J PC = 0 ? + K (1430) K ? and f0 (980) ? waves. 0
210 15 OUR AVERAGE 210 30 30 1200 190 15 15 210 70 225 35 20 205 18 32
VALUE (MeV) EVTS DOCUMENT ID TECN CHG COMMENT
426 57 310 50 1100 3 From a t to J PC = 0 ? + f0 (980) , f0 (1370) waves. 4 From a t to J PC = 0 ? + K (1430) K ? and f0 (980) ? waves. 0
TECN CHG
37 ? A ! ? .
A
0:29 0:06 OUR AVERAGE 0:29 0:07 0:1
?
EVTS
DOCUMENT ID
COMMENT
?8 /?5
BELADIDZE 92C VES BITYUKOV
DOCUMENT ID
0:3
VALUE
? K 0 (1430) K ? /?total