B1

The b1 Experiment

E12-13-011 is an experiment to measure the deuteron tensor structure function b1 in Jefferson Lab's Hall C.

• Spokespersons : J.P. Chen, N. Kalantarians, D. Keller, E. Long, O. A. Rondon, P. Solvignon, K. Slifer (contact person)
• Proposal to PAC 40 (pdf)
• PAC Presentation (ppt) (pdf)
• E12-13-011 received conditional approval from PAC 40
  • Theory Report (pdf)
  • Technical Advisory Committee Report (pdf)
  • Independent Technical Advisory Committee Report (pdf)
  • Collaboration Response to the TAC/iTAC (pdf)

Tensor Experiments

The preparation and run details of the tensor experiments can be found here .

Meetings Info

• Agendas for Working Group Meetings

• Minutes of meetings.

• Tensor 2014 Tensor Polarized Solid Target Workshop at JLab, March 10-12, 2014

Collaborator Webpages

• Elena Long

Relevant Publications

JLab proposals and other experiments

• Elastic electron deuteron scattering on a tensor polarized solid ND 3 target. B. Boden et al, Z.Phys. C49 (1991) 175. (link) (pdf)
• Proposal for the Measurement of the (e,e'p) Cross Section on Tensor Polarized Deuterium. H. Anklin, W. Boeglin et al., PR97-102, PAC13 rated A- (pdf)
• Proposal to measure t11 in elastic e-D scattering at JLab. J. Mitchell et al. (1994, not submitted) (pdf)
• Status of the T20 Experiment at VEPP-3. S.G. Popov et al. (pdf).
• Measurement of the Tensor Structure Function b₁ of the Deuteron. A. Airapetian et al.(HERMES Collaboration), Phys. Rev. Lett. 95, 242001 (2005) (link)

Target Physics

• Polarized H,D and 3He Targets for Particle Physics Experiments. St. Goertz, W. Meyer and G. Reicherz. Prog. Part. and Nucl. Phys. 49 (2002) 403. (link)
• Tensor Polarized Deuteron Targets for intermediate energy physics experiments. W. Meyer and E. Schilling BONN-HE-85-06. (pdf)
• Dynamic Orientation of Nuclei at Low Temperatures W. de Boer CERN-74-11. (pdf)
• Proceedings of the 4th International Workshop on Polarized Target Materials and Techniques, ("The Greenbook"), Universitat Bonn portrait landscape
• Results of Research Run 11/30/99 -2/11/10 S. Bultmann, D. G. Crabb, Y. Prok., University of Virginia (2000). (pdf)
• Tensor Polarization Enhancement in Nuclear Solid Targets S. Bultmann, D. G. Crabb, Y. Prok., University of Virginia (2000). (pdf)
• Direct measurement of the tensor polarization of a polarized deuteron target G.R. Smith et al. Nucl.Instrum.Meth. A254 (1987) 263 (link)
• The frozen spin orientation of deuterium nuclei irradiated at radio-frequencies P.P.J. Delheij et al. Nucl.Instrum.Meth. A251 (1986) 498 (link)
• Depolarization of dynamically polarized solid targets due to beam heating effects T.J. Liu et al. Nucl.Instrum.Meth. A405 (1998) 1 (link)

Theory and Talks

• Novel Physics with Tensor Polarized Targets K. Slifer and E. Long e-Print: arXiv:1311.4835 [nucl-ex ] (2013)
• Pionic and Hidden-Color, Six-Quark Contributions to the Deuteron b1 Structure Function G. Miller arXiv:1311.4561. (link)
• Inclusive deuteron electrodisintegration with polarized electrons and a polarized target W. Leidemann, E.L. Tomusiak, H. Arenhovel Phys.Rev.C43(1991)1022. (link)
• Angular momentum sum rule for spin-one hadronic systems Swadhin K. Taneja, Kunal Kathuria, Simonetta Liuti, and Gary R. Goldstein . Phys.Rev.D 86.036008 (link).
• Talk by R. Jaffe on b1 and other SF's (undated). (pdf).
• Another talk on b1 (by A. Manohar(?), undated). (pdf).
• Asymmetries in e − nucleon Inclusive Scattering for All Combinations of Beam and Target Polarizations, Including Electroweak Interference. by O. Rondon. (pdf)
• Precision Measurement of the Proton and Deuteron Spin Structure Functions g2 and Asymmetries A2 by the E155 Collaboration. (pdf)
• Nonvanishing tensor polarization of sea quark in polarized deuterons by Nikolaeva and Schafer (pdf)
• Tensor-polarized quark and antiquark distribution functions in a spin-one hadron by S. Kumano PRD 82, 017501 (2010) (pdf)

Theses

• Measurement of Deuteron Tensor Polarization in Elastic Electron Scattering K. Gustafsson (link)

Technical Notes

[Please post technotes here]

• Rates and Systematic Uncertainty Calculations for a Measurement of <math>A_{zz}</math> (JLAB-TN-13-029)
• Diluting Asymmetries in Extracting <math>b_1</math> from a Measurement of <math>A_{zz}</math>
• Dustin's Note

Mailing Lists

• The b1 mailing list for general announcements is b1@jlab.org.
• The b1 mailing list for the working group is b1_ana@jlab.org.

You can subscribe to both at http://mailman.jlab.org

Other b1 Links

• O. Rondon's b1 folder on twist at UVA
• Old Proposal to PAC 38 (pdf) (deferred)
  • Updates to the old PAC38 proposal: b1/updates