Message-Id: <200105180125.KAA04501@neutrino.kek.jp> Subject: Comments Date: Fri, 18 May 2001 10:25:05 +0900 From: Makoto Sakuda <sakuda@neutrino.kek.jp> Dear Bockjoo, Here are my comments to the draft of NIM paper. 1) General comments I want to update the systematic errors on 1-track and 2-track efficiency. Yokoyama/Boyd demonstrated how well our simulation reproduces noise. We can re-generate MC sets with different configrations easily. -> We make three sets (or more) of MC: 2x(standard noise), 0.5x(), an 0 x(), and estimate the values. The present errors come from the visual scan. We need more quantitative numbers for the present physics analysis too. If all of us agree, MC sets will be made by KEK-people(Ishida et al.). 2) Comments Figures 1. Fig.5 We need predictions. (b) need merging data points above 2. Ask the company to make a figure. ->Ishida It is important to point out that the curve is constant after the correction. 2. Fig.7 need update. -> Iwashita. 3. Fig.9 EunJu evaluated the values from beam data. Cosmic-ray data and beam data should be merged. The corresponding sentence (Page 11, Lines 1-8 and footnote ) should be changed. ->EunJu The hit efficiency in Table 1 may be changed too. 4.Fig.11 (b) Do you have any idea wht's wrong with the 19-20th layers? Can you explain the global feature by assuming the bulging? Assume that the center of the panel is shifted to the outside, for example. 3. Sentences 1) Page 1 Abstract one and half =>two 2) Page 3 Line 11 Cerenkov->Cherenkov (or use a hut on C) 3) Page 4, 2nd paragraph. The water is contained in a .... Page 4, last line-1. There are a total of 20 ... I think that we might as well start with this general description and go to the detailed structure. In any case, this paragraph may be reorganized. 4) page 5, L10 Because of the complex bundling geometry, -> This is not a right reason to do the EL calibration. We just say, In order to obtain the correspondence between the hit fiber and the CCD images, we illuminate th selected fiducial fibers at the end for from IIT and calibrate the mapping .... I will send the rest later. Regards, M.Sakuda
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