1. Experimental Particle Physics in UM Wan Ahmad Tajuddin Wan Abdullah
Dept of Physics, Universiti Malaya and Faculty of Computer Science and Information Technology, Universiti Malaya
Sept 2010

2. High Energy Physics Research Group
Zainol Abidin Ibrahim
Burhanuddin Kamaluddin
Faridah Mohamad Idris
Zulidza Zulkaply
Zukhaimira Zolkaply
Wan Ahmad Tajuddin Wan Abdullah

3. about 450 scientists
about 50 institutions
about 15 countries
about 20 years

4. e± p

8. Readout control of ZEUS calorimeter
Analog readout modules of ZEUS calorimeter
Table
Pipeline
Buffer
Format
Readout control
FPGA-based readout on a single chip
Output signals from the FPGA-based readout control

9. Outputs to Digital Cards
Figure 1. Readout control of the calorimeter in the ZEUS detector, showing five controlling modules i.e. table, pipeline, buffer, format and generator
Readout control
Table module
Pipeline module
Buffer module
Format module
Generator module
Outputs to Digital Cards
96ns
GFLT
Serial data
(16-bits)
Figure 2. Serial input block diagram in the table module of the readout controller
Serial
shift register
16 bits
SDin SC
Table RAM
16 bits
Drivers D A WE Q
Delay
Sample
Pipeline control
Legend:SC- Serial Clock; SDin - Serial Data input; A - GFLT Trigger; WE- Write Enabled

13. Forward calorimeter of ZEUS detector
Halomuons
Forward calorimeter of ZEUS detector μ+
30GeV
920GeV
Total energy distribution of halomuons in FCAL and RCAL (solid line), in comparison with halomuon energy distribution in FCAL (dash line)
Muons μ+ moving in straight trajectory from rear to front part of ZEUS calorimeter. Accelerated protons interacted with rest gas to produce π+ that decayed into μ+

14. Tracking
Composite
Efficiency

15. Long-lived neutral hadrons in ZEUS calorimeter
Reconstructed mass (GeV) of
Momentum (GeV) of
Momentum (GeV) of neutron
Reconstructed mass (GeV) neutron
Reconstructed mass of vector meson φ (1020) from channel:
Reconstructed mass of baryon Λ from channel:

16. diffractive

17. Exclusive psi’
Ψ’(2S)  J/Ψ +ˉ
+ ˉ

18. GR Data (all) MC A=
Σ=0.0896mub

20. Diquarks
Baryons
Tetraquarks, pentaquarks, …

21. future
CMS at LHC
SuperKEKB
MUSIC/COMET/PRIME