TZI-HONG CHIUEHTAK-PONG WOO2018-09-102018-09-10200402177323http://www.scopus.com/inward/record.url?eid=2-s2.0-2942618260&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/308299We report an instantaneous heating scheme at z = 2 that can produce bound objects obeying the observed mass-temperature and luminosity-temperature relations. Such heating reduces the Sunyaev-Zeldovich (SZ) flux by a factor 3 - 2 on scale of 4 - 6 arcminutes. It exacerbates the need for the matter-fluctuation normalization as to assume an exceedingly high value (∼ 1.2), if the several-arcminute excess anisotropy detected by the CBI experiment is entirely caused by the SZ effect of inter-galactic hot gas. By contrast, we find that the several-arcminute excess detected by ACBAR can be consistent with the preheated SZ signals of σ8 = 1.Cosmic microwave background; Cosmology: theory; Intergalactic mediumanisotropy; conference paper; cosmological phenomena; gas; heating; luminance; mass; microwave radiation; simulation; temperaturejournal article10.1088/0004-637X/694/2/16192-s2.0-2942618260WOS:000221914800014