Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Oliver Boine-Frankenheim"'
Publikováno v:
Physical Review Accelerators and Beams, Vol 26, Iss 6, p 064601 (2023)
Magnetic field errors pose a limitation in the performance of synchrotrons, as they excite nonsystematic resonances, reduce dynamic aperture, and may result in beam loss. Their effect can be compensated by assuming knowledge of their location and str
Externí odkaz:
https://doaj.org/article/a0271c35443841e296193e0d865e39a6
Publikováno v:
Physical Review Accelerators and Beams, Vol 25, Iss 8, p 084401 (2022)
A pulsed electron lens produces a betatron tune shift along a hadron bunch as a function of the longitudinal coordinates, which is a longitudinal detuning. An example of transverse detuning is the tune shifts due to octupole magnets. This paper consi
Externí odkaz:
https://doaj.org/article/332047e3eaf046639672a42a8ea107bb
Autor:
Adrian Oeftiger, Oliver Boine-Frankenheim, Vera Chetvertkova, Vladimir Kornilov, Dmitrii Rabusov, Stefan Sorge
Publikováno v:
Physical Review Accelerators and Beams, Vol 25, Iss 5, p 054402 (2022)
The SIS100 synchrotron as a part of the new Facility for Antiproton and Ion Research (FAIR) accelerator facility at GSI should be operated at the “space charge limit” for light- and heavy-ion beams. Beam losses due to space-charge-induced resonan
Externí odkaz:
https://doaj.org/article/313f77a483344357a6d6aa173aef9d3a
Publikováno v:
Physical Review Accelerators and Beams, Vol 25, Iss 2, p 024402 (2022)
Regenerative multibunch beam breakup instabilities are a well-known phenomenon in recirculating linacs where particle bunches pass multiple times through the same superconducting rf cavities with extremely high quality factor. This is in particular t
Externí odkaz:
https://doaj.org/article/f0f8a774fbad45b18da3798e1a48d012
Publikováno v:
Physical Review Accelerators and Beams, Vol 24, Iss 2, p 024201 (2021)
Understanding the 3D collective long-term response of beams exposed to resonances is of theoretical interest and essential for advancing high intensity synchrotrons. This study of a hitherto unexplored beam dynamical regime is based on 2D and 3D self
Externí odkaz:
https://doaj.org/article/8b7be9ae0bb5485182b1039edd6b60ce
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 5, p 054402 (2020)
Due to the tiny apertures of dielectric laser acceleration grating structures within the range of the optical wavelength, wakefields limit the bunch charge for relativistic electrons to a few femtocoulomb. In this paper, we present a wakefield upgrad
Externí odkaz:
https://doaj.org/article/445e278c69b24b98ad46ccda447b7c3f
Autor:
Andrea Passarelli, Hannes Bartosik, Giovanni Rumolo, Vittorio Giorgio Vaccaro, Maria Rosaria Masullo, Can Koral, Gian Paolo Papari, Antonello Andreone, Oliver Boine-Frankenheim
Publikováno v:
Physical Review Accelerators and Beams, Vol 21, Iss 10, p 103101 (2018)
This paper describes a reliable, handy, and inexpensive measurement system to characterize, in the sub-THz frequency range, the coating materials used in the beam pipes of accelerators. The method is based on time domain measurements of an electromag
Externí odkaz:
https://doaj.org/article/475c158eb2d048a0ada99b734978117c
Publikováno v:
Physical Review Accelerators and Beams, Vol 21, Iss 7, p 074201 (2018)
Bunch compression achieved via a fast bunch rotation in longitudinal phase space is a well-accepted scheme to generate short, intense ion bunches for various applications. During bunch compression, coherent beam instabilities and incoherent single pa
Externí odkaz:
https://doaj.org/article/bd971028264247d5a445e7e6d79d0525
Publikováno v:
Physical Review Accelerators and Beams, Vol 21, Iss 6, p 061002 (2018)
At the beginning of the 2016 run, an anomalous beam instability was systematically observed at the CERN Large Hadron Collider (LHC). Its main characteristic was that it spontaneously appeared after beams had been stored for several hours in collision
Externí odkaz:
https://doaj.org/article/0f36c5cc39784d029ce8331c75e1564c
Publikováno v:
Physical Review Accelerators and Beams, Vol 20, Iss 11, p 111302 (2017)
A six-dimensional symplectic tracking approach exploiting the periodicity properties of dielectric laser acceleration (DLA) gratings is presented. The longitudinal kick is obtained from the spatial Fourier harmonics of the laser field within the stru
Externí odkaz:
https://doaj.org/article/8dbea5285e9b4fe1be142a05ee09ff8b