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Upcoming Publications and Experimental Reviews for HAPPEX

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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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