Lund Small x Workshop

7 May 2004, 09:00 → 8 May 2004, 18:00 Europe/Zurich

1b--3 (DESY)

Hannes Jung

The 3rd Lund Small x workshop concentrates on topics relevant for ep but also for high energy pp collisions: 1) k_t factorization formalism 2) Saturation, multiple scattering and diffraction 3) Applications and experimental comparisons

Friday 7 May

09:00 → 02:30 kt - factorisation formalism

09:00 Opening

Speaker: R. Klanner

09:05 Announcements

Speaker: H. Jung

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09:15 Doubly-unintegrated parton distributions

Speaker: Graeme Watt

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09:30 CCFM evolution for the proton and the photon

Speaker: Magnus Hansson

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09:45 A new tool for BFKL analysis at NLL

Speaker: Agustin Sabio-Vera:

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10:00 Resummed splitting function at small x

Speaker: Anna Stasto

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10:45 coffee break

11:15 New possibilities for NLL BFKL, and the importance of Running Coupling terms

Speaker: Jeppe R. Andersen

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11:30 The photon impact factor needed for resummation for NLL(1/x) corrections in quark splitting

Speaker: Albrecht Kyrieleis

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12:00 Other topics to be discussed:

definitions of unintegrated parton density functions (uPDF) uPDFs and NLO calculations in the collinear approach skewed PDFs

Speaker: all

12:30 Lunch

14:00 → 07:25 Saturation, multiple scatterings and diffraction

14:00 AGK cutting rules

Speaker: Jochen Bartels

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14:45 Diffractive parton distributions and absorptive corrections to F_2

Speaker: Graeme Watt

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14:45 Multiple Interactions in DIS from AGK rules

Speaker: Henri Kowalski

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15:10 QCD rescatterings as a basis for soft color interaction

Speaker: Gunnar Ingelman

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15:25 coffee

16:00 Multiplicity of heavy quark pair in $e^+e^-$ and the connection to BFKL and BK equations

Speaker: Pino Marchesini

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17:00 Energy conservation in the Balitski-Kovchegov equation

Speaker: Gosta Gustafson

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17:30 Low x evolution beyond BK equation

Speaker: Michael Lublinsky

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18:00 Modified BK equation

Speaker: Krzysztof Kutak

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18:15 Other topics to be discussed:

saturation from evolution at small k_t application of the saturation model in pp(bar) collisions saturation scale

Speaker: all

19:00 Collaboration dinner

Saturday 8 May

09:30 → 14:00 Applications and experimental comparisons

09:30 The problem of negative gluons and low Q2 GVDM

Speaker: Gunnar Ingelman

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09:45 B- production at Tevatron as test of different unintegrated gluon distributions

Speaker: Nikolai Zotov

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10:00 Studies of forward jet production in DIS

Speaker: Albert Knutsson

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10:15 Ideas to measure the uPDF

Speaker: Magnus Hansson

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10:45 coffee

11:15 Production of neutral strange particles in DIS

Speaker: Christiane Risler

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11:30 The underlying event at HERA

Speaker: Guenter Grindhammer

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11:45 Jet ET at the LHC comparing pythia and cascade

Speaker: Steve Magill

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12:30 lunch

14:00 → 16:00 Applications and experimental comparisons II

14:00 Intrinsic k_T in NLO calculations in the collinear approach for pp and pA collisions

Speaker: Peter Levai

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14:30 CCFM unintegrated PDFS

Speaker: Hannes Jung

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15:00 Recoil Problems

Speaker: Gosta Gustafson

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15:30 coffee

15:30 Other topics to be discussed

extraction of uPDFs from precision fits to F_2 data from HERA extraction of uPDFs from global fits (F_2, heavy quarks, jets etc.) uPDF application to pp(bar) data Higgs

Speaker: all

16:00 → 17:00 Future and Summary