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A Phenomenological Analysis of the Longitudinal Heavy Quark Structure Function. Ali Khorramian Semnan University and School of Particles and Accelerators Institute for studies in theoretical Physics and Mathematics (IPM) With Collaboration S. Atashbar Tehrani.

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slide1

A Phenomenological Analysis

of

the Longitudinal Heavy Quark Structure Function

Ali Khorramian

Semnan University

and

School of Particles and Accelerators

Institute for studies in theoretical Physics and Mathematics

(IPM)

With Collaboration

S. AtashbarTehrani

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide2

A Phenomenological Analysis

of

the Longitudinal Heavy Quark Structure Function

  • Motivation
  • Why is HERA relevant for LHC?
  • DIS kinematics
  • The method of the QCD analysis
  • The Wilson coefficients in the region Q^2 >> M^2
  • QCD analysis of longitudinal structure function
  • Results and conclusion

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide3

Motivation

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide4

Why is HERA relevant for LHC?

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide5

DIS Kinematics

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide6

DIS Kinematics

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide7

Introduction

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide8

The Method

Talks in PDF4LHC meeting at CERN, July 2008

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide9

The Method

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide10

The Wilson Coefficients in the Region Q >> M

2 2

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide11

Coupling constant up to 3-loops

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide12

Coupling constant up to 3-loops

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide13

QCD Analysis of Longitudinal Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide14

QCD Analysis of Longitudinal Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide15

QCD Analysis of Longitudinal Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide16

QCD Fits for Nonsinglet Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide17

QCD Fits for Nonsinglet Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide18

QCD Fits for Nonsinglet Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide19

QCD Fits for Nonsinglet Structure Function

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide20

QCD Fits

Ali Khorramian (IPM & SemnanUniversity) Signaling the Arrival of the LHC Era, 8-13 Dec. 2008

slide21

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide22

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide23

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide24

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide25

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide26

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide27

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide28

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide29

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide30

QCD Fits

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide31

Results

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide32

Results

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide33

Results

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide34

Results

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide35

Results

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide36

Conclusion

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide39

Backup

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide41

Introduction

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009

slide42

The Wilson Coefficients in the Region Q >> M

2 2

Ali Khorramian (IPM & Semnan University)First IPM meeting on LHC Physics , April 20-24, 2009