ar X iv : h ep - p h / 97 10 36 7 v 1 1 5 O ct 1 99 7 1 The ‘ Proton Spin ’ Effect - Theoretical Status ’

نویسنده

  • G M Shore
چکیده

The theoretical status of the 'proton spin' effect is reviewed. The conventional QCD parton model analysis of polarised DIS is compared with a complementary approach, the composite operator propagator-vertex (CPV) method, each of which provides its own insight into the origin of the observed suppression in the first moment of g p 1. The current status of both experiment and non-perturbative calculations is summarised. The future role of semi-inclusive DIS experiments, in both the current and target fragmentation regions, is described.

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ar X iv : h ep - p h / 97 10 36 7 v 2 1 6 O ct 1 99 7 1 The ‘ Proton Spin ’ Effect - Theoretical Status ’ 97

The theoretical status of the 'proton spin' effect is reviewed. The conventional QCD parton model analysis of polarised DIS is compared with a complementary approach, the composite operator propagator-vertex (CPV) method, each of which provides its own insight into the origin of the observed suppression in the first moment of g p 1. The current status of both experiment and non-perturbative cal...

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تاریخ انتشار 1997