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Upcoming Publications and Experimental Reviews for HAPPEX

We aim to prepare three significant publications this year based on our ongoing research. This includes the JLab PVeS experimental review paper by Riad and a paper on Transverse Asymmetry by Kent and Armstrong. Additionally, we will address charge symmetry breaking issues highlighted in HAPPEX-II and HAPPEX-III. Our investigations encompass LH2 target design, finite acceptance simulation, optics calibration, and status updates on detectors and PMT linearity, all crucial for our experimental efforts.

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Upcoming Publications and Experimental Reviews for HAPPEX

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  1. HAPPEX publications We should aim to prepare three publications, this year • Source (Kent, Gordon, Snyder) • Jlab PVeS experimental review paper (Riad) • Transverse Asymmetry (Kent, Armstrong) • G0 transverse (arXiv:0705.1525v2) • Long Paper (Kent, Armstrong, Michaels, and all!)

  2. Charge Symmetry Incidentally, not consistent with _our_ published calculation HAPPEX-He Viviani, Schiavilla, Kubis, Lewis, Girlanda, Keivsky, Marcucci, Rosati, nucl-th/070305 0.003 +/- ? 0.008 +/- 0.003 HAPPEX-II GsE + 0.09 GsM = 0.007 +/- 0.011 +/- 0.004 +/- 0.005 (FF) 0.004-0.009 Kubis & Lewis, Phys Rev C 74 015204 (2006) Charge symmetry breaking is largest theoretical uncertainty HAPPEX-III will face a similar story GsE + 0.48 GsM = +/- 0.007 +/- 0.004 +/- 0.008 (FF)

  3. HAPPEX-III Issues • LH2 target design (25 cm?) • Finite Acceptance simulation • Optics Calibration - 1 pass needed? • Detectors (status?) • PMT linearity • Scanner design (Q2 monitor strategy)

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