Physics (related and not related to PVDIS)

For articles related to strong interaction study and QCD before 2002 (hence outdated), click here.


Below is a suggested reading list for PVDIS "crew members" and questions to think about when reading.

Physics related to nucleon structure and strong interactions

Number
 Topics Link to suggested readings Questions to be answered and what is expected from the presentation
1
 Overview of electromagnetic form factors for the proton and the neutron - "Measurement of GEp/GMp in polarized-e p -> e polarized-p to Q= 5.6GeV2", O. Gayou et al., Phys. Rev. Lett. 88:092301,2002; arXiv: nucl-ex/0111010
- "Precision Rosenbluth measurement of the proton elastic form factors", I. A. Qattan, et al., Phys Rev. Lett. 94, 142301 (2005); arXiv: nucl-ex/0410010
  1. What are EM form factors? what are their interpretation in a classic picture of the nucleon?
  2. What experimental technique did people use to measure them?
  3. Summarize existing fits to F.F. data.
  4. What is the most surprising findings in this topic?
  5. What did GEP-III measure and what are their analysis status?
2
 The pion form factors - "Scaling study of the pion electroproduction cross sections and the pion form factor", T. Horn et al. arXiv: arXiv:0707.1794
- "Determination of the Charged Pion Form Factor at Q2=1.60 and 2.45 (GeV/c)2", T. Horn et al, Phys. Rev. Lett. 97: 192001 (2006); arXiv: nucl-ex/0607005
3
 Nucleon structure functions
Quark-parton model
4
 What is quark-hadron duality in unpolarized and polarized structure functions? - The Hall C paper, to be added
- Quark-hadron duality in neutron (He3) spin structure, P. Solvignon et al, PRL 101: 182502,2008, or arXiv:0803.3845 [nucl-ex]
  1. What is quark-hadron duality?
  2. Is there any theoretical basis? What do you think?
  3. How does this help us to "simulate" Apv in resonance regions?
5
 Nucleon spin structure, theory


6
 Summary of nucleon spin structure experimental study

7



Physics related to PVDIS  Electroweak interactions and experiments

Number
 Topics
 Link to suggested readings
 Questions to be answered and what is expected from the presentation
1
 The weak mixing angle
 - Weak mixing angle at low energies, J. Erler, M.-J. Ramsey-Musolf, PRD 72, 073003 (2005). arXiv: hep-ph/0409169
- Quark and Lepton, by Halzen & Martin
  1. What is the Standard Model (SM) of electroweak interactions?
  2. What is the weak mixing angle?
  3. Why is it important to measure the weak mixing angle?
  4. Summarize existing and future experiments on the measurement of the weak mixing angle.
2
 Low energy tests of the Standard Model - Low energy tests of the weak interaction. J. Erler, M.-J. Ramsey-Musolf, Prog. Part. Nucl. Phys. 54, 351-442 (2005). arXiv: hep-ph/0404291 Summarize SM test experiments, for each exp.:
  1. what do they measure? 
  2. which part of SM do they test; and
  3. what are their main obstacles (uncertainties)?
3
 The PREX Experiment
 Proposals for both PREX and PREX-II (12 GeV), PREX PRL paper
4The HAPPEX Experiments- "Precision Measurements of the Nucleon Strange Form Factors at Q2=0.1GeV2", A. Acha et al., Phys. Rev. Lett. 98: 032301 (2007); arXiv: nucl-ex/0609002
- Constraints on the nucleon strange form-factors at Q2=0.1GeV2", K.A. Aniol et al., Phys. Lett. B635: 275-279 (2006); arXiv: nucl-ex/0506011
- Parity-violating electron scattering from 4He and the strange electric form-factor of the nucleon", K.A. Aniol et al., Phys. Rev. Lett. 96: 022003 (2006); arXiv: nucl-ex/0506010
  1. What did the two previous HAPPEX experiments measure?
  2. What were their findings?
  3. What will HAPPEX-III measure and what will be its implications?
  4. Use similar formula as in these experiments, write down the asymmetry for elastic and quasi-elastic scatterings on a deuteron target and include them in the HAMC code.
5
The G0, the SAMPLE, and the A4 experimentsPlease look for it yourself
  1. What did each of these experiments measure? What were their results?
  2. How were C2qs extracted from the SAMPLE result? What was their main uncertainties?
  3. What special DAQ technique did A4 use?
6The NuTeV anomaly- "A Precision Determination of Electroweak Parameters in Neutrino-Nucleon Scattering", G.P. Zeller et al., PRL. 88, 091802 (2002), arXiv: hep-ex/0110059, and its press release
  1. What observable did they measure?
  2. What experimental technique did they use to measure the neutrino x-section?
  3. What were their findings?
7Current explanations of the NuTeV anomalycan start from:
- Possible explanations for the NuTeV Weinberg angle measurement. J.T. Londergan, Nucl.Phys.Proc.Suppl.141:68-73,2005, arXiv: hep-ph/0408283
  1. Summarize all possible explanations of the NuTeV anomaly, their origin and size;
  2. Which of these are relavant to PVDIS?
8Charge symmetry breaking
Please look for it yourself
  1. What are possible origins of CSV?
  2. Why is CSV interesting?
9PV asymmetry of resonances (Delta), theory and experimentsPlease look for it yourself
  1. Summarize theories and experimental data on Apv in the Delta resonance region.
  2. Can you construct Apv in hamc based on these?
10The Qweak experiment- The Qweak proposal
- The Weak charge of the proton and new physics, J. Erler, A. Kurylov, M.-J. Ramsey-Musoolf, PRD68, 016006 (2003), arXiv: hep-ph/0302149
  1. What do they measure?
  2. What are their main expeirmental chanllenges?
  3. What are their main theoretical uncertainties?
11The SLAC E158 experiment and the JLab 12 GeV Moller proposalPlease research yourself
to be added
12The Atomic PV experiments, overviewPlease research yourself
to be added

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