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The Frascati National Laboratories (LNF), founded in 1955, are the oldest and biggest labs of INFN and are devoted to fundamental research in nuclear and subnuclear physics. They were built to host the electron synchrotron, which at that time, with its energy of 1.1 GeV, represented a world record. Around 1960, a new accelerator concept was conceived and demonstrated in Frascati: a colliding-beam accelerator. All modern elementary particle storage rings descend from that first prototype, ADA (Anello Di Accumulazione).

Immediately afterwards, a large electron-positron collider (ADONE) was designed, built and brought to operation in 1969. ADONE had a c.m. energy of 3 GeV and held the world record in energy and its experiments paved the road to the understanding of particle physics. One of its main achievements was the observation of the abundant production of multihadron events, which later led to the discovery of a new degree of freedom of the quarks: the color.
After the phasing out of ADONE in the 90’s, the same infrastructure was used to host DAΦNE, a high luminosity machine at 1 GeV c.m. energy (ϕ-factory), aimed to a broad physics program, ranging from CP and T violation studies, to physics of hypernuclei, to exotic atoms investigation.
With its high specifications, DAΦNE is also providing intense synchrotron radiation beams, especially in the infrared region (IR), where the extreme source intensity (possibly the highest in the world) arises a large interdisciplinary interest coming from Life Sciences.
Presently DAΦNE holds the world record in luminosity at its design energy, and its performance is still increasing. It also delivers extracted beams from the LINAC (Beam Test Facility). The LNF Beam- Test Facility (BTF) operates in parasitic and in dedicated modes, provides electron/positron and photon beams with tuneable energy from 25 to 750 MeV, while the intensity  an be varied from single particle up to 1010 particles per second.
DAΦNE provides high purity antikaon beams, unique worldwide for antikaon stopped and low-energy experiments, paralleled only by the J-PARC facility in Japan for antikaon in-flight  eaction studies.

 


The HadronPhysics3 project is supported by the European Union
under the 7th Framework Capacities Programme in the area of Research Infrastructures (RI).