Overview

Total 5 independant stations

16 antenna per station for Neutrino detection

Each station is taking data in average 7 Hz

Target dataset for unblinding request: Data that taken from A2/3 on 2013 ~2020

Total live time of target data set

  • A2: 1988.66 days (~5.4 years)

  • A3: 1923.77 days (~5.3 years)

../../_images/st5.png

Fig. 8 5 station layout

../../_images/st.png

Fig. 9 Single station

ARA02 Configuration

Dataset is separated in several configurations. Related doc. DB2436, DB2445, DB2636

User can find code implementation from get_config_number function

It is defined by parameters that can change detector sensitivity

2 more configurations are added for A2, config 6 (2018 ~ 2019), config 7 (2020)

From 2020, string 1 is showing duplication issue (will be discussed later) and excluded from L1 trigger

../../_images/a2config.png

Fig. 10 A2 configuration

../../_images/a2config_d.png

Fig. 11 A2 configuration. Corresponding dates and run numbers

ARA03 Configuration

4 more configurations are added on A3, config 6 (2018), config 7 / 8 (2019), and config 9 (2020)

In 2019, string 1 / 4 are showing dead bit / duplication issue.

From July 2019, string 1 is excluded from L1 trigger

../../_images/a3config.png

Fig. 12 A3 configuration

../../_images/a3config_d.png

Fig. 13 A3 configuration. Corresponding dates and run numbers