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Internal degrees of the freedom of the nuclear matter. A.Malakhov. Joint Institute for Nuclear Research, Dubna malakhov@lhe.jinr.ru. Hadron Structure 2011 Tatranská Štrba, Slovak Republic, June 27th - July 1st, 2011. A.M.Baldin:. I + II → 1 + 2 + 3 + …. b ik = - ( u i – u k ) 2.

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internal degrees of the freedom of the nuclear matter

Internal degrees of the freedom of the nuclear matter

A.Malakhov

Joint Institute for Nuclear Research, Dubna

malakhov@lhe.jinr.ru

Hadron Structure 2011

Tatranská Štrba, Slovak Republic, June 27th - July 1st, 2011

slide2

A.M.Baldin:

I + II → 1 + 2 + 3 + …

bik= - (ui – uk)2

i, k = I, II, 1, 2, 3, ….

A.M.Baldin and L.A.Didenko. Fortschr. Phys. 38 (1990) 4, 261-332.

slide3

This approach in 4-velocity space was very fruitful:

  • Correlation Depletion Principle (CDP)
  • Invariant definition of hadron jets
  • Automodelity Principle
classification of r elativistic n uclear c ollisions on b ik
Classification of relativistic nuclear collisions on bik

bik ~ 10-2

classic nuclear physics

0.1 <bik < 1

intermediate domain

bik >> 1

nuclei should be considered as

quark-gluon systems

slide5

L.S.Schroeder et al. Phys. Rev. Lett.,

v.43, No.24, 1979, p.1787

p +Cu →  + …

E·d/dp3 = C·exp(-T/T0)

Dependence of T0 parameter for pion at 180o for p-Cu collisions on the energy of incident proton Tp.Pion cross-section parameterized by the form E·d/dp3 = C·exp(-T/T0), where T is the pion laboratory kinetic energy

slide9

- + p → 0 (ω0, η0) + n

t - squareof4-momentumtransferred

slide10

d/dbI1 = A· exp(-bI1/B)

A.I.Malakhov, G.L.Melkumov. JINR Rapid Commun., No.19-86 (1986) pp.32-39).

slide11

As it possible see in figure asymptotic regime is beginning with pion momentum p 25 GeV.

bI II = - (uπ – up)2 = - (1 - 2uπup – 1) =

= 2(uπup -1) =2(Eπ/mπ – 1) = 2Tπ /mπ

2∙ 25/0.130 380.

conclusion
Conclusion
  • bikis the good parameter describing internal structure of interacting particles and nucleus
  • This parameter shows the areas for manifestation various internal degrees of freedom of the interacting objects
  • It is possible that in area bik≥ 400 the internal degrees of freedom of quarks start to be shown