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

kt - factorisation formalism

1 Opening

Speaker: R. Klanner

2 Announcements

Speaker: H. Jung

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3 Doubly-unintegrated parton distributions

Speaker: Graeme Watt

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4 CCFM evolution for the proton and the photon

Speaker: Magnus Hansson

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5 A new tool for BFKL analysis at NLL

Speaker: Agustin Sabio-Vera:

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6 Resummed splitting function at small x

Speaker: Anna Stasto

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10:45 coffee break

7 New possibilities for NLL BFKL, and the importance of Running Coupling terms

Speaker: Jeppe R. Andersen

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

Speaker: Albrecht Kyrieleis

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9 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

Saturation, multiple scatterings and diffraction

10 AGK cutting rules

Speaker: Jochen Bartels

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11 Diffractive parton distributions and absorptive corrections to F_2

Speaker: Graeme Watt

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12 Multiple Interactions in DIS from AGK rules

Speaker: Henri Kowalski

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13 QCD rescatterings as a basis for soft color interaction

Speaker: Gunnar Ingelman

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15:25 coffee

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

Speaker: Pino Marchesini

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15 Energy conservation in the Balitski-Kovchegov equation

Speaker: Gosta Gustafson

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16 Low x evolution beyond BK equation

Speaker: Michael Lublinsky

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17 Modified BK equation

Speaker: Krzysztof Kutak

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18 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

Applications and experimental comparisons

19 The problem of negative gluons and low Q2 GVDM

Speaker: Gunnar Ingelman

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20 B- production at Tevatron as test of different unintegrated gluon distributions

Speaker: Nikolai Zotov

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21 Studies of forward jet production in DIS

Speaker: Albert Knutsson

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22 Ideas to measure the uPDF

Speaker: Magnus Hansson

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10:45 coffee

23 Production of neutral strange particles in DIS

Speaker: Christiane Risler

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24 The underlying event at HERA

Speaker: Guenter Grindhammer

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25 Jet ET at the LHC comparing pythia and cascade

Speaker: Steve Magill

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12:30 lunch

Applications and experimental comparisons II

26 Intrinsic k_T in NLO calculations in the collinear approach for pp and pA collisions

Speaker: Peter Levai

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27 CCFM unintegrated PDFS

Speaker: Hannes Jung

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28 Recoil Problems

Speaker: Gosta Gustafson

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15:30 coffee

29 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

Future and Summary