5/29/07CERN Topor 1

LHC will be Baryon Junction Factory OR the Junction Killer !!

5/29/07CERN Topor 2

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5/29/07CERN Topor 5

HIJING 1.38

FRITIOF 7.3

Pre-Baryon Junction Production

2 Valence Baryon Junctions + 1 Junction-anti Junction

Soft Strings + Hard pQCD

udud

uu

J J

u

u

u

ud

J

Jd

HIJING-BB 2.0

Post Baryon Junction Production

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5/29/07CERN Topor 8

5/29/07CERN Topor 9LHC

Note HugeEnhancement of/K at pT>2 !!

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5/29/07CERN Topor 12

p,p

pQCD

dN2

dy

Eskola 07

Modest: 2000Armesto et al 04

Conservative: 1100Busza 04

Immodest 3500~2X enhanced overSaturation modelsDue to (JJ)~3X strings!

5/29/07CERN Topor 13

Modest: 2000Armesto et al 04

Conservative: 1100Busza 04

Immodest 3500Due to

(JJ) ~ 3 X strings !

J Juu

u

udJ

Jd+

5/29/07CERN Topor 14

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Summary II:

Baryon Junction dynamics in HIJING BB2.0 predictsDrastically different global entropy dNch / dy~ 3000-4000 , dNp / dy~ 200

Due to abundance of extra J-Jbar 3 string loopsAnd strong longitudinal color fields (ropes)as currently parametrized

The probability of exciting J Jbar junctionsIn A+A at LHC is an open question

Comparing baryon and meson observablesCan set a bound of junction formation