Target fragmentation in semiinclusive DIS: Fracture functions, cut vertices and the OPE - INSPIRE

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Target fragmentation in semiinclusive DIS: Fracture functions, cut vertices and the OPE

M. Grazzini
(
- Zurich, ETH
)
,
G.M. Shore
(
- CERN and
- Swansea U.
)
,
B.E. White
(
- Swansea U.
)

Mar, 1999

22 pages

Published in:

Nucl.Phys.B 555 (1999) 259-278

e-Print:

hep-ph/9903530 [hep-ph]

DOI:

10.1016/S0550-3213(99)00347-8

Report number:

CERN-TH-99-90,
ETH-TH-99-07,
SWAT-99-223

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Abstract:

We discuss semi-inclusive Deep Inelastic Scattering (DIS) in the z -> 1 limit, in particular the relationship between fracture functions, generalised cut vertices and Green functions of the composite operators arising in the OPE. The implications, in the spin-polarised case, for testing whether the "proton spin" effect is target-independent are explored. Explicit calculations in (phi^3)_6 theory are presented which are consistent with our observations.

Note:

22 pages, 25 figures, LaTeX 2e; uses graphics package Journal-ref: Nucl. Phys. B555 (1999) 259-278

13.85
Polarised DIS
Fracture functions
OPE
Cut vertices
lepton nucleon: deep inelastic scattering
inclusive reaction
target: fragmentation
hadron: fracture function
photon nucleon: interaction

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Figures(0)

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