dranilsingh

PYTHIA8: Prosposed updates to meson tables

Warning: Purely Unvalidated Project.

Aim: Update the particle data tables used by PYTHIA-8 in accordance with latest information on the PDG page.

Each B.R is expressed as a floating point number with seven digits after decimal.
We have taken care that for a given table: Sum(B.R)=1 .
This is done by redistibuting 1-Sum(B.R) among various channels, each channel gets a share proportional to its BR.
Also care has been taken to ensure that each "new" value lie with in quoted experimental uncertainty.
We have looked at following tables:
Index
Observations:
1. In the tables showing raw fetched numbers,the decay products may or may not be meaningful. Manytimes they have to be broken/expanded etc.
2. Some of the tables see no change at all. eg. K*(1680)
3. Some of the tables change due to an update at PDG. eg. phi0
4. In many tables the change is driven by the method employed to redistribute 1-Sum(B.R). eg. rho0

Id: 211 Name: pi+ Anti-Name: pi-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	-13 14	0.9998770
2	-11 12	0.0001230

SNo.	Products	BRatio
1	-13 14	0.9998770
2	-11 12	0.0001230

SNo.	Products	BRatio
1	-13 14	0.9998770
2	-13 14 22	0.0002
3	-11 12	0.000123

Go To Top Of Page

Id: 221 Name: eta

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	22 22	0.3938240
2	111 111 111	0.3251200
3	111 22 22	0.0004400
4	211 -211 111	0.2270000
5	211 -211 22	0.0469000
6	22 11 -11	0.0060000
7	22 13 -13	0.0003100
8	13 -13	0.0000060
9	211 -211 11 -11	0.0004000

SNo.	Products	BRatio
1	22 22	0.3931181
2	111 111 111	0.3257150
3	111 22 22	0.0002700
4	211 -211 111	0.2274105
5	211 -211 22	0.0460021
6	22 11 -11	0.0069003
7	22 13 -13	0.0003100
8	13 -13	0.0000060
9	211 -211 11 -11	0.0002680

SNo.	Products	BRatio
1	22 22	0.3931
2	111 111 111	0.3257
3	111 22 22	0.00027
4	211 -211 111	0.2274
5	211 -211 22	0.046
6	22 11 -11	0.0069
7	22 13 -13	0.00031
8	13 -13	0.0000060
9	211 -211 11 -11	0.000268

Go To Index

Id: 113 Name: rho0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	211 -211	0.9988485
2	111 22	0.0006000
3	221 22	0.0002950
4	211 -211 111	0.0001010
5	11 -11	0.0000470
6	13 -13	0.0000455
7	111 111 22	0.0000450
8	211 -211 211 -211	0.0000180

SNo.	Products	BRatio
1	211 -211	0.9988447
2	111 22	0.0005993
3	221 22	0.0002997
4	211 -211 111	0.0001009
5	11 -11	0.0000471
6	13 -13	0.0000454
7	111 111 22	0.0000449
8	211 -211 211 -211	0.0000180

SNo.	Products	BRatio
1	211 -211	1
2	111 22	0.0006
3	221 22	0.0003
4	211 -211 111	1.01e-04
5	11 -11	4.72e-05
6	-13 13	4.55e-05
7	111 111 22	4.5e-05
8	211 -211 211 -211	1.8e-05

Go To Index

Id: 213 Name: rho+ Anti-Name: rho-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	211 111	0.9995500
2	211 22	0.0004500

SNo.	Products	BRatio
1	211 111	0.9995502
2	211 22	0.0004498

SNo.	Products	BRatio
1	211 111	1
2	211 22	0.00045

Go To Index

Id: 223 Name: omega

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	211 -211 111	0.8924150
2	111 22	0.0890000
3	211 -211	0.0170000
4	221 22	0.0004900
5	111 11 -11	0.0007700
6	111 13 -13	0.0000960
7	11 -11	0.0000720
8	13 -13	0.0000900
9	111 111 22	0.0000670

SNo.	Products	BRatio
1	211 -211 111	0.8994773
2	111 22	0.0834941
3	211 -211	0.0154283
4	221 22	0.0004639
5	111 11 -11	0.0007765
6	111 13 -13	0.0001311
7	11 -11	0.0000728
8	13 -13	0.0000900
9	111 111 22	0.0000660

SNo.	Products	BRatio
1	211 -211 111	0.892
2	111 22	0.0828
3	211 -211	0.0153
4	221 22	0.00046
5	111 11 -11	0.00077
6	111 -13 13	0.00013
7	11 -11	7.28e-05
8	-13 13	9e-05
9	111 111 22	6.6e-05

Go To Index

Id: 333 Name: phi

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	321 -321	0.4919270
2	130 310	0.3400000
3	-213 211	0.0420000
4	113 111	0.0420000
5	213 -211	0.0420000
6	211 -211 111	0.0270000
7	221 22	0.0130000
8	111 22	0.0012500
9	11 -11	0.0002970
10	13 -13	0.0002860
11	221 11 -11	0.0001150
12	211 -211	0.0000730
13	223 111	0.0000520

SNo.	Products	BRatio
1	321 -321	0.4893042
2	130 310	0.3422127
3	-213 211	0.0420984
4	113 111	0.0420984
5	213 -211	0.0420984
6	211 -211 111	0.0270000
7	221 22	0.0130981
8	111 22	0.0012708
9	11 -11	0.0002956
10	13 -13	0.0002872
11	221 11 -11	0.0001151
12	211 -211	0.0000740
13	223 111	0.0000470

SNo.	Products	BRatio
1	321 -321	0.489
2	130 310	0.342
3	-213 211	0.1532
4	221 22	0.01309
5	111 22	0.00127
6	11 -11	0.0002954
7	-13 13	0.000287
8	221 11 -11	0.000115
9	211 -211	7.4e-05
10	223 111	4.7e-05

Go To Index

Id: 130 Name: K_L0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	111 111 111	0.1955770
2	211 -211 111	0.1255900
3	-12 11 211	0.2026300
4	12 -11 -211	0.2026300
5	-14 13 211	0.1350900
6	14 -13 -211	0.1350900
7	211 -211	0.0019760
8	111 111	0.0008690
9	22 22	0.0005480

SNo.	Products	BRatio
1	111 111 111	0.1952278
2	211 -211 111	0.1254178
3	-12 11 211	0.2027688
4	12 -11 -211	0.2027688
5	-14 13 211	0.1352191
6	14 -13 -211	0.1352191
7	211 -211	0.0019673
8	111 111	0.0008641
9	22 22	0.0005471

SNo.	Products	BRatio
1	111 111 111	0.194 0.1952 0.1964
2	211 -211 111	0.1249 0.1254 0.1259
3	-12 11 211	0 0.20274 0
4	12 -11 -211	0 0.20274 0
5	-14 13 211	0 0.1351999 0
6	14 -13 -211	0 0.1351999 0
7	211 -211	0.001957 0.001967 0.001977
8	111 111	0.000858 0.000864 0.00087
9	22 22	0.000543 0.000547 0.000551

Go To Index

Id: 310 Name: K_S0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	211 -211	0.6923500
2	111 111	0.3069000
3	211 -211 11 -11	0.0000470
4	-12 11 211	0.0003500
5	12 -11 -211	0.0003500
6	22 22	0.0000030

SNo.	Products	BRatio
1	211 -211	0.6922420
2	111 111	0.3070073
3	211 -211 11 -11	0.0000479
4	-12 11 211	0.0003501
5	12 -11 -211	0.0003501
6	22 22	0.0000026

SNo.	Products	BRatio
1	211 -211	0.6915 0.692 0.6925
2	111 111	0.3064 0.3069 0.3074
3	211 -211 11 -11	4.64e-05 4.79e-05 4.94e-05
4	-12 11 211	0 0.0003500 0
5	12 -11 -211	0 0.0003500 0
6	22 22	2.46e-06 2.63e-06 2.8e-06

Go To Index

Id: 311 Name: K0 Anti-Name: Kbar0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	130	0.5000000
2	310	0.5000000

SNo.	Products	BRatio
1	130	0.5000000
2	310	0.5000000

SNo.	Products	BRatio
1	130	0.5000000
2	310	0.5000000

Go To Index

Id: 321 Name: K+ Anti-Name: K-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	-13 14	0.6343000
2	-11 12	0.0000150
3	211 111	0.2091100
4	211 211 -211	0.0559000
5	211 111 111	0.0175700
6	12 -11 111	0.0498000
7	14 -13 111	0.0332000
8	-11 12 111 111	0.0000220
9	-11 12 211 -211	0.0000410
10	-13 14 111 111	0.0000140
11	-13 14 211 -211	0.0000280

SNo.	Products	BRatio
1	-13 14	0.6355250
2	-11 12	0.0000158
3	211 111	0.2066081
4	211 211 -211	0.0559022
5	211 111 111	0.0176107
6	12 -11 111	0.0507020
7	14 -13 111	0.0335313
8	-11 12 111 111	0.0000220
9	-11 12 211 -211	0.0000409
10	-13 14 111 111	0.0000140
11	-13 14 211 -211	0.0000280

SNo.	Products	BRatio
1	-13 14	0.6344 0.6355 0.6366
2	-11 12 ;	1.573e-05 1.581e-05 1.589e-05
3	211 111	0.2058 0.2066 0.2074
4	211 211 -211	0.0555 0.0559 0.0563
5	211 111 111	0.01739 0.01761 0.01783
6	111 -11 12 ;	0.0503 0.0507 0.0511
7	111 -13 14	0.03319 0.03353 0.03387
8	111 111 -11 12 ;	1.8e-05 2.2e-05 2.6e-05
9	211 -211 -11 12 ;	3.99e-05 4.09e-05 4.19e-05
10	-13 14 111 111	0 0.0000140 0
11	211 -211 -13 14	0 0.0000280 0

Go To Index

Id: 313 Name: K0 Anti-Name: Kbar0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	321 -211	0.6650000
2	311 111	0.3326900
3	311 22	0.0023100

SNo.	Products	BRatio
1	321 -211	0.6649467
2	311 111	0.3326633
3	311 22	0.0023900

SNo.	Products	BRatio
1	311 111	1 1 1
2	(311 111 )+/-;	0.99892 0.99901 0.9991
3	(311 111 )0;	0.9974 0.99761 0.99782
4	311 22	0.00218 0.00239 0.0026
5	321/- 22	0.0009 0.00099 0.00108

Go To Index

Id: 323 Name: K+ Anti-Name: K-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	311 211	0.6660000
2	321 111	0.3330000
3	321 22	0.0010000

SNo.	Products	BRatio
1	311 211	0.6660067
2	321 111	0.3330033
3	321 22	0.0009900

SNo.	Products	BRatio
1	311 111	1 1 1
2	(311 111 )+/-;	0.99892 0.99901 0.9991
3	(311 111 )0;	0.9974 0.99761 0.99782
4	311 22	0.00218 0.00239 0.0026
5	321/- 22	0.0009 0.00099 0.00108

Go To Index

Id: 315 Name: K_2(1430)0 Anti-Name: K_2(1430)bar0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	321 -211	0.3340000
2	311 111	0.1670000
3	323 -211	0.1650000
4	313 111	0.0825000
5	323 -211 111	0.0890000
6	313 211 -211	0.0450000
7	321 -213	0.0580000
8	311 113	0.0290000
9	311 223	0.0290000
10	311 221	0.0015000

SNo.	Products	BRatio
1	321 -211	0.3335002
2	311 111	0.1667502
3	323 -211	0.1650794
4	313 111	0.0825397
5	323 -211 111	0.0892231
6	313 211 -211	0.0451128
7	321 -213	0.0581454
8	311 113	0.0290727
9	311 223	0.0290727
10	311 221	0.0015038

SNo.	Products	BRatio
1	311 111	0.487 0.499 0.511
2	K*(892); 111	0.232 0.247 0.262
3	K*(892); 211check111	0.112 0.134 0.156
4	311113	0.079 0.087 0.095
5	311 223	0.021 0.029 0.037
6	321 22	0.0019 0.0024 0.0029
7	311 221	0.0005 0.0015 0.0025

Go To Index

Id: 325 Name: K_2(1430)+ Anti-Name: K_2(1430)-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	311 211	0.3330000
2	321 111	0.1660000
3	313 211	0.1647000
4	323 111	0.0824000
5	313 211 111	0.0890000
6	323 211 -211	0.0450000
7	311 213	0.0580000
8	321 113	0.0290000
9	321 223	0.0290000
10	321 221	0.0015000
11	321 22	0.0024000

SNo.	Products	BRatio
1	311 211	0.3330333
2	321 111	0.1660166
3	313 211	0.1646498
4	323 111	0.0823749
5	313 211 111	0.0890089
6	323 211 -211	0.0450045
7	311 213	0.0580058
8	321 113	0.0290029
9	321 223	0.0290029
10	321 221	0.0015002
11	321 22	0.0024002

SNo.	Products	BRatio
1	311 111	0.487 0.499 0.511
2	K*(892); 111	0.232 0.247 0.262
3	K*(892); 211check111	0.112 0.134 0.156
4	321 113	0.079 0.087 0.095
5	311 113	0.021 0.029 0.037
6	311 221	0.0005 0.0015 0.0025
7	321 22	0.0019 0.0024 0.0029

Go To Index

Id: 10313 Name: K_1(1270)0 Anti-Name: K_1(1270)bar0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	321 -213	0.2900000
2	311 113	0.1450000
3	10321 -211	0.1900000
4	10311 111	0.0950000
5	323 -211	0.1100000
6	313 111	0.0550000
7	311 223	0.1150000

SNo.	Products	BRatio
1	321 -213	0.2886598
2	311 113	0.1443299
3	10321 -211	0.1924399
4	10311 111	0.0962199
5	323 -211	0.1099656
6	313 111	0.0549828
7	311 223	0.1134021

SNo.	Products	BRatio
1	311 113	0.36 0.42 0.48
2	KStar0(1430); 111	0.24 0.28 0.32
3	K*(892); 111	0.11 0.16 0.21
4	311 223	0.09 0.11 0.13

Go To Index

Id: 10323 Name: K_1(1270)+ Anti-Name: K_1(1270)-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	311 213	0.2900000
2	321 113	0.1450000
3	10311 211	0.1900000
4	10321 111	0.0950000
5	313 211	0.1100000
6	323 111	0.0550000
7	321 223	0.1150000

SNo.	Products	BRatio
1	311 213	0.2886598
2	321 113	0.1443299
3	10311 211	0.1924399
4	10321 111	0.0962199
5	313 211	0.1099656
6	323 111	0.0549828
7	321 223	0.1134021

SNo.	Products	BRatio
1	311 113	0.36 0.42 0.48
2	K0Star(1430); 111	0.24 0.28 0.32
3	K*(892); 111	0.11 0.16 0.21
4	311 223	0.09 0.11 0.13

Go To Index

Id: 20313 Name: K_1(1400)0 Anti-Name: K_1(1400)bar0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	323 -211	0.6270000
2	313 111	0.3130000
3	321 -213	0.0200000
4	311 113	0.0100000
5	311 10221	0.0200000
6	311 223	0.0100000

SNo.	Products	BRatio
1	323 -211	0.6270000
2	313 111	0.3130000
3	321 -213	0.0200000
4	311 113	0.0100000
5	311 10221	0.0200000
6	311 223	0.0100000

SNo.	Products	BRatio
1	K*(892); 111	0.88 0.94 1.0
2	311 113	0.0 0.03 0.06
3	Kf0(1370);	0.0 0.02 0.04
4	311 223	0.0 0.01 0.02

Go To Index

Id: 20323 Name: K_1(1400)+ Anti-Name: K_1(1400)-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	313 211	0.6270000
2	323 111	0.3130000
3	311 213	0.0200000
4	321 113	0.0100000
5	321 10221	0.0200000
6	321 223	0.0100000

SNo.	Products	BRatio
1	313 211	0.6270000
2	323 111	0.3130000
3	311 213	0.0200000
4	321 113	0.0100000
5	321 10221	0.0200000
6	321 223	0.0100000

SNo.	Products	BRatio
1	K*(892); 111	0.88 0.94 1.0
2	311 113	0.0 0.03 0.06
3	Kf0(1370);	0.0 0.02 0.04
4	311 223	0.0 0.01 0.02

Go To Index

Id: 30313 Name: K(1680)0 Anti-Name: K(1680)bar0

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	321 -211	0.2580000
2	311 111	0.1290000
3	323 -211	0.2093000
4	313 111	0.1047000
5	-213 321	0.1993000
6	113 311	0.0997000

SNo.	Products	BRatio
1	321 -211	0.2580000
2	311 111	0.1290000
3	323 -211	0.2093000
4	313 111	0.1047000
5	-213 321	0.1993000
6	113 311	0.0997000

SNo.	Products	BRatio
1	321 -211	0.2580000
2	311 111	0.1290000
3	323 -211	0.2093000
4	313 111	0.1047000
5	-213 321	0.1993000
6	113 311	0.0997000

Go To Index

Id: 30323 Name: K(1680)+ Anti-Name: K(1680)-

Pythia

Updated

Fetched

SNo.	Products	BRatio
1	311 211	0.2580000
2	321 111	0.1290000
3	313 211	0.2093000
4	323 111	0.1047000
5	213 311	0.1993000
6	113 321	0.0997000

SNo.	Products	BRatio
1	311 211	0.2580000
2	321 111	0.1290000
3	313 211	0.2093000
4	323 111	0.1047000
5	213 311	0.1993000
6	113 321	0.0997000

SNo.	Products	BRatio
1	311 211	0.2580000
2	321 111	0.1290000
3	313 211	0.2093000
4	323 111	0.1047000
5	213 311	0.1993000
6	113 321	0.0997000

Go To Index

PYTHIA8: Prosposed updates to meson tables

Id: 211 Name: pi+ Anti-Name: pi-

Id: 221 Name: eta

Id: 113 Name: rho0

Id: 213 Name: rho+ Anti-Name: rho-

Id: 223 Name: omega

Id: 333 Name: phi

Id: 130 Name: K_L0

Id: 310 Name: K_S0

Id: 311 Name: K0 Anti-Name: Kbar0

Id: 321 Name: K+ Anti-Name: K-

Id: 313 Name: K*0 Anti-Name: K*bar0

Id: 323 Name: K*+ Anti-Name: K*-

Id: 315 Name: K*_2(1430)0 Anti-Name: K*_2(1430)bar0

Id: 325 Name: K*_2(1430)+ Anti-Name: K*_2(1430)-

Id: 10313 Name: K_1(1270)0 Anti-Name: K_1(1270)bar0

Id: 10323 Name: K_1(1270)+ Anti-Name: K_1(1270)-

Id: 20313 Name: K_1(1400)0 Anti-Name: K_1(1400)bar0

Id: 20323 Name: K_1(1400)+ Anti-Name: K_1(1400)-

Id: 30313 Name: K*(1680)0 Anti-Name: K*(1680)bar0

Id: 30323 Name: K*(1680)+ Anti-Name: K*(1680)-

Id: 313 Name: K0 Anti-Name: Kbar0

Id: 323 Name: K+ Anti-Name: K-

Id: 315 Name: K_2(1430)0 Anti-Name: K_2(1430)bar0

Id: 325 Name: K_2(1430)+ Anti-Name: K_2(1430)-

Id: 30313 Name: K(1680)0 Anti-Name: K(1680)bar0

Id: 30323 Name: K(1680)+ Anti-Name: K(1680)-