标题： MAXIMA：一项在宇宙微波背景中测量温度各向异性的实验 显示英文标题

标题： MAXIMA: an experiment to measure temperature anisotropy in the cosmic microwave background

摘要： 我们描述了MAXIMA实验，这是一项气球载荷测量，旨在绘制宇宙微波背景（CMB）在宽广角度尺度（多极范围80 < l < 800）上的温度各向异性。 该实验包括一个1.3米直径的非对称格里高利望远镜和一个接收器，该接收器配备了一个由16个热辐射计组成的阵列，冷却至100 mK。 频率波段分别位于150、240和410 GHz。 10' FWHM的光束大小与CMB角功率谱中预期的声学峰尺度相匹配。 该实验在完整配置下的首次飞行于1998年8月发射。 在7小时飞行期间，在银河系尘埃污染极低的区域，对天琴座附近的天空进行了122平方度的测绘。 该图覆盖了0.3%的天空，包含3200个独立的光束尺寸像素。 我们描述了MAXIMA仪器及其在最近飞行中的性能。 显示英文摘要

摘要： We describe the MAXIMA experiment, a balloon-borne measurement designed to map temperature anisotropy in the Cosmic Microwave Background (CMB) over a wide range of angular scales (multipole range 80 < l < 800). The experiment consists of a 1.3 m diameter off-axis Gregorian telescope and a receiver with a 16 element array of bolometers cooled to 100 mK. The frequency bands are centered at 150, 240, and 410 GHz. The 10' FWHM beam sizes are well matched to the scale of acoustic peaks expected in the angular power spectrum of the CMB. The first flight of the experiment in its full configuration was launched in August 1998. A 122 sq-deg map of the sky was made near the Draco constellation during the 7 hour flight in a region of extremely low galactic dust contamination. This map covers 0.3% of the sky and has 3200 independent beamsize pixels. We describe the MAXIMA instrument and its performance during the recent flight.