Publications (39)
The First Cold Antihydrogen
M. C. Fujiwara, M. Amoretti, C. Amsler +29
Antihydrogen, the atomic bound state of an antiproton and a positron, was produced at low energy for the first time by the ATHENA experiment, marking an important first step for pr…
Effect of Beam Dynamics Processes in the Low Energy Ring ThomX
N. Delerue, C. Bruni, I Chaikovska +5
As part of the R\&D for the 50 MeV ThomX Compton source project, we have studied the effect of several beam dynamics processes on the evolution of the beam in the ring. The process…
Polarization induced instabilities in external four-mirror Fabry-Perot cavities
F. Zomer, Y. Fedala, N. Pavloff +2
Various four-mirror optical resonators are studied in the perspective of realizing passive stacking cavities. A comparative study of the mechanical stability is provided. The polar…
Non-planar four-mirror optical cavity for high intensity gamma ray flux production by pulsed laser beam Compton scattering off GeV-electrons
J. Bonis, R. Chiche, R. Cizeron +17
As part of the R&D toward the production of high flux of polarised Gamma-rays we have designed and built a non-planar four-mirror optical cavity with a high finesse and operated it…
Evidence For The Production Of Slow Antiprotonic Hydrogen In Vacuum
N. Zurlo, M. Amoretti, C. Amsler +28
We present evidence showing how antiprotonic hydrogen, the quasistable antiproton-proton (pbar-p) bound system, has been synthesized following the interaction of antiprotons with t…
Commissioning of the PADME experiment with a positron beam
P. Albicocco, R. Assiro, F. Bossi +53
The PADME experiment is designed to search for a hypothetical dark photon produced in positron-electron annihilation using a bunched positron beam at the Beam Test Fac…
High flux polarized gamma rays production: first measurements with a four-mirror cavity at the ATF
Nicolas Delerue, J. Bonis, Iryna Chaikovska +27
The next generation of e+/e- colliders will require a very intense flux of gamma rays to allow high current polarized positrons to be produced. This can be achieved by converting p…
Considerations on the Diffraction Limitations to the Spatial Resolution of Optical Transition Radiation
X. Artru, R. Chehab, K. Honkavaara +1
The interest in using optical transition radiation (OTR) in high energy (multiGeV) beam diagnostics has motivated theoretical and experimental investigations on the limitations bro…
Positron sources: from conventional to advanced accelerator concepts-based colliders
I. Chaikovska, R. Chehab, V. Kubytskyi +9
Positron sources are the key elements for the future and current lepton collider projects such as ILC, CLIC, SuperKEKB, FCC-ee, Muon Collider/LEMMA, etc., introducing challenging c…
LEETECH facility as a flexible source of low energy electrons
D. Attie, S. Barsuk, O. Bezshyyko +14
A new versatile facility LEETECH for detector R&D, tests and calibration is designed and constructed. It uses electrons produced by the photoinjector PHIL at LAL, Orsay and provide…
On the Relation of the LHeC and the LHC
J. L. Abelleira Fernandez, C. Adolphsen, P. Adzic +206
The present note relies on the recently published conceptual design report of the LHeC and extends the first contribution to the European strategy debate in emphasising the role of…
Positron plasma diagnostics and temperature control for antihydrogen production
ATHENA Collaboration, M. Amoretti, C. Amsler +29
Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discus…
The PADME beam line Monte Carlo simulation
F. Bossi, P. Branchini, B. Buonomo +38
The PADME experiment at the DANE Beam-Test Facility (BTF) of the INFN Laboratory of Frascati is designed to search for invisible decays of dark sector particles produced in ele…
Production of Cold Antihydrogen with ATHENA for Fundamental Studies
ATHENA Collaboration, A. Kellerbauer, M. Amoretti +33
Since the beginning of operations of the CERN Antiproton Decelerator in July 2000, the successful deceleration, storage and manipulation of antiprotons has led to remarkable progre…
Production of Slow Protonium in Vacuum
N. Zurlo, M. Amoretti, C. Amsler +28
We describe how protonium, the quasi-stable antiproton-proton bound system, has been synthesized following the interaction of antiprotons with the molecular ion H in a nested…
Development of an intense positron source using a crystal--amorphous hybrid target for linear colliders
Y. Uesugi, T. Akagi, R. Chehab +12
In a conventional positron source driven by a few GeV electron beam, a high amount of heat is loaded into a positron converter target to generate intense positrons required by line…
Three Dimensional Annihilation Imaging of Antiprotons in a Penning Trap
M. C. Fujiwara, M. Amoretti, G. Bonomi +28
We demonstrate three-dimensional annihilation imaging of antiprotons trapped in a Penning trap. Exploiting unusual feature of antiparticles, we investigate a previously unexplored…
Production of highly-polarized positrons using polarized electrons at MeV energies
D. Abbott, P. Adderley, A. Adeyemi +62
The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient tr…
Polarized positron source with a Compton multiple interaction point line
I. Chaikovska, R. Chehab, O. Dadoun +2
Positron sources are critical components of the future linear collider projects. This is essentially due to the high luminosity required, orders of magnitude higher than existing o…
A Novel method to calculate the magnetic field of a Solenoid generated by a surface current element
M. Behtouei, B. Spataro, L. Faillace +4
The purpose of this paper is to derive the on and off-axes magnetic field of a solenoid with the use of a novel method. We have found a solution for the Biot-Savart law by consider…
First Production and Detection of Cold Antihydrogen Atoms
M. C. Fujiwara, M. Amoretti, C. Amsler +29
The ATHENA experiment recently produced the first atoms of cold antihydrogen. This paper gives a brief review of how this was achieved.
Cold-Antimatter Physics
ATHENA Collaboration, M. Amoretti, C. Amsler +33
The CPT theorem and the Weak Equivalence Principle are foundational principles on which the standard description of the fundamental interactions is based. The validity of such basi…
Technical Design Report EuroGammaS proposal for the ELI-NP Gamma beam System
O. Adriani, S. Albergo, D. Alesini +106
The machine described in this document is an advanced Source of up to 20 MeV Gamma Rays based on Compton back-scattering, i.e. collision of an intense high power laser beam and a h…
Production of gamma rays by pulsed laser beam Compton scattering off GeV-electrons using a non-planar four-mirror optical cavity
T. Akagi, S. Araki, J. Bonis +28
As part of the positron source R&D for future colliders and Compton based compact light sources, a high finesse non-planar four-mirror Fabry-Perot cavity has recently bee…
SuperB Technical Design Report
SuperB Collaboration, M. Baszczyk, P. Dorosz +406
In this Technical Design Report (TDR) we describe the SuperB detector that was to be installed on the SuperB e+e- high luminosity collider. The SuperB asymmetric collider, which wa…
Effect of Compton Scattering on the Electron Beam Dynamics at the ATF Damping Ring
I. Chaikovska, C. Bruni, N. Delerue +7
Compton scattering provides one of the most promising scheme to obtain polarized positrons for the next generation of -- colliders. Moreover it is an attractive method…
EuPRAXIA@SPARC_LAB Design study towards a compact FEL facility at LNF
M. Ferrario, D. Alesini, M. P. Anania +117
On the wake of the results obtained so far at the SPARC\_LAB test-facility at the Laboratori Nazionali di Frascati (Italy), we are currently investigating the possibility to design…
A Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector
J. L. Abelleira Fernandez, C. Adolphsen, A. N. Akay +190
The physics programme and the design are described of a new collider for particle and nuclear physics, the Large Hadron Electron Collider (LHeC), in which a newly built electron be…
DaÏne gamma-rays factory
D. Alesini, I. Chaikovska, A. Variola +4
Gamma sources with high flux and spectral densities are the main requirements for new nuclear physics experiments to be performed in several worldwide laboratories and envisaged in…
ATHENA -- First Production of Cold Antihydrogen and Beyond
ATHENA Collaboration, A. Kellerbauer, M. Amoretti +33
Atomic systems of antiparticles are the laboratories of choice for tests of CPT symmetry with antimatter. The ATHENA experiment was the first to report the production of copious am…
Progress of the Development of the ELI-NP GBS High Level Applications
G. Campogiani, A. Giribono, S. Pioli +13
The Gamma Beam System (GBS) is a high brightness LINAC to be installed in Magurele (Bucharest) at the new ELI-NP (Extreme Light Infrastructure - Nuclear Physics) laboratory. The ac…
Status of the Super-B factory Design
W. Wittmer, K. Bertsche, A. Chao +42
The SuperB international team continues to optimize the design of an electron-positron collider, which will allow the enhanced study of the origins of flavor physics. The project c…
A Large Hadron Electron Collider at CERN
J. L. Abelleira Fernandez, C. Adolphsen, P. Adzic +206
This document provides a brief overview of the recently published report on the design of the Large Hadron Electron Collider (LHeC), which comprises its physics programme, accelera…
Energy Measurements by Means of Transition Radiation in novel Linacs
M. Marongiu, M. Castellano, E. Chiadroni +8
Advanced linear accelerator design may use Optical Transition Radiation (OTR) screens to measure beam spot size; for instance, such screens are foreseen in plasma based accelerator…
Characterization of the PADME positron beam for the X17 measurement
S. Bertelli, F. Bossi, B. Buonomo +27
This paper presents a detailed characterization of the positron beam delivered by the Beam Test Facility at Laboratori Nazionali of Frascati to the PADME experiment during Run III,…
Positron driven muon source for a muon collider
D. Alesini, M. Antonelli, M. E. Biagini +55
The design of a future multi-TeV muon collider needs new ideas to overcome the technological challenges related to muon production, cooling, accumulation and acceleration. In this…
PHIL photoinjector test line
M. Alves, C. Arnault, D. Auguste +30
LAL is now equiped with its own platform for photoinjectors tests and Research and Developement, named PHIL (PHotoInjectors at LAL). This facility has two main purposes: push the l…
Design of a Polarised Positron Source Based on Laser Compton Scattering
S. Araki, Y. Higashi, Y. Honda +32
We describe a scheme for producing polarised positrons at the ILC from polarised X-rays created by Compton scattering of a few-GeV electron beam off a CO2 or YAG laser. This scheme…
Measurement of the luminosity at the DAFNE collider upgraded with the crab waist scheme
M. Boscolo, F. Bossi, B. Buonomo +14
The test of the crab waist collision scheme, undergoing at the e+e- Frascati DAFNE accelerator complex since February 2008, requires a fast and accurate measurement of the absolute…