Puttalam in time and show two spatial dimensions. Ellis–Karliner angle. The Ellis–Karliner angle is the kinematic angle between the highest energy jets in a three-jet event. The angle is not measured in the lab frame, but in a frame boosted along the energy of the highest energy jet so that the second and third jets are back-to-back. By measuring the distribution of the Ellis–Karliner angle at the PETRA electron–positron storage ring at DESY, physicists determined that the gluon has spin one rather than spin zero or spin two. Subsequent experiments at the LEP storage 	Three-jet event
9623763	ring at CERN confirmed this result. Three-jet event In particle physics, a three-jet event is an event with many particles in final state that appear to be clustered in three jets. A single jet consists of particles that fly off in roughly the same direction. One can draw three cones from the interaction point, corresponding to the jets, and most particles created in the reaction will appear to belong to one of these cones. These events are currently the most direct available evidence for the existence of gluons, and were first observed by the TASSO experiment at the 	Three-jet event
9623764	Puttalam Puttalam Puttalam (; ) is the largest town in Puttalam District, North Western Province, Sri Lanka. Puttalam is the administrative capital of the Puttalam District and governed by an Urban Council. Situated north of Colombo, the capital of Sri Lanka and north of Negombo. Puttalam is known for energy production, salt, coconut production and fishing. It has one of the largest lagoons in the country. Puttalam is known for kind and hospitable people. It has many tourist attractions such as Wilpattu National Park, Kalpitiya, and virgin beaches, natural resources, dolphin watching. Puttalam town is near Anamaduwa. History. The history of Puttalam dates 	Puttalam
9623765	back to the arrival of Prince Vijaya, nearly 2,500 years ago, when his vessel washed ashore to Thambapani" which is located north side of Puttalam lagoon. The name ""Puttalam"" may be a modification of the Tamil word "Uppuththalam", "Uppu" means salt and "Thalam" means salt production zone, which evolved into the name Puttalam. Climate. Under the Köppen climate classification, Pattalam has a tropical savanna climate with a short dry season from June to September and a second dry season from January to March. The wet season is mainly from October to December. Temperatures remain steady throughout the year with little  variations in between. Religion. Puttalam is a multi-cultural and multi-religious town. (86%) of puttalam's resident's religion is Islam, urban area's are dominated by them. While Buddhist and Christians are significant minorities with a small number of Hindu population. "Source:statistics.gov.lk" Transport. The Puttalam rail line connects Puttalam to Colombo via Negombo and provides a passenger and freight service. Puttalam has three main highways that connect it to major cities in the country, the A3 which connects Puttalam with Colombo via Negombo, the A10 which connects Puttalam with Kandy via Kurunegala and the A12 which connects  Puttalam with Trincomalee via Anuradhapura. Daily bus transport is available to the capital Colombo and other cities like Kurunegala, Kandy and Anuradhapura. Economy. Situated at the center of the "Coconut Triangle", Puttalam is the second largest Coconut producer of the country. It is also the second largest salt producer in the country. The local Insee Cement factory is one of the biggest in Sri Lanka. Puttalam is also famous for prawn farming and agriculture. It now also has a crab farm and hatchery, run by a Singapore-based company. Education. Primary Schools. International schools in Puttalam include: Puttalam also has  an Open University. Energy. Seguwantivu Wind Power (Private) Limited an Indian firm invests US$37 million and maintains 25 wind turbines which produce 20 MW s of electricity in Puttalam Seguwantivu region. Norocholai Power Station is a large coal-fired power station in Norocholai, Puttalam, Sri Lanka. Construction of the facility began on 11 May 2006, and concluded with the commissioning on 22 March 2011. The first 300-megawatt phase was completed and ceremonially commissioned by President Mahinda Rajapaksa on 22 March 2011 at 18:27 local time, with the presence of deputy Minister of Energy Premalal Jayasekara. According to the  Ceylon Electricity Board, the US$455 million first phase generates nearly 1.7 TWh of electricity annually; a very significant amount when compared to Sri Lanka's total production of 11.5 TWh in 2011. The plant is connected to the grid via 115 km (71 mi) 220-kilovolt transmission line to Veyangoda. Power station exhausts are emitted through a 150 m (492 ft) tall chimney, one of the country's tallest man-made structures. During its pre-development stages, a number of protests were launched by residents living at the project site, claiming that they were deceived by the government. Construction  of the 600 MW Phase-1 and Phase-2 units were officially inaugurated by the President in March 2010. Sport. Puttalam is well known for soccer although cricket is widely played in the country. The city is home for many soccer and cricket clubs as it has a strong sporting tradition. Volleyball is also played in the town and there are volleyball clubs as well. Puttalam Puttalam (; ) is the largest town in Puttalam District, North Western Province, Sri Lanka. Puttalam is the administrative capital of the Puttalam District and governed by an Urban Council. Situated north of Colombo, the capital of Sri