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CERN Document Server 找到 2,038 笔记录  1 - 10下一个最後  跳到记录: 检索需时 0.30 秒. 
1.
(100)
Suppression of Multipass, Multibunch Beam Breakup in Two Pass Recirculating Accelerators / Tennant, Chris ; Douglas, David ; Jordan, Kevin ; Merminga, Lia ; Pozdeyev, Eduard
Beam Breakup (BBU) occurs in all accelerators at sufficiently high currents. In recirculating accelerators, such as the energy recovery linacs used for high power FELs, the maximum current has historically been limited by multipass, multibunch BBU, a form that occurs when the electron beam interacts with the high order modes (HOMs) of an accelerating cavity on one pass and then again on the second pass. [...]
2004 External link: Published version from JACoW
In : 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. WEBOS03
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2.
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Experimental Investigation of Beam Breakup in the Jefferson Laboratory 10 kW FEL Upgrade Driver / Tennant, Chris ; Bazarov, Ivan V ; Douglas, David ; Hoffstaetter, Georg Heinz ; Jordan, Kevin ; Merminga, Lia ; Pozdeyev, Eduard ; Simrock, Stefan ; Smith, Todd I ; Wang, Haipeng
In recirculating accelerators, and in particular energy recovery linacs (ERLs), the maximum current has been limited by multipass, multibunch beam breakup (BBU), which occurs when the electron beam interacts with the higher-order modes (HOMs) of an accelerating cavity on the accelerating pass and again on the energy recovered pass. This effect is of particular concern in the design of modern high average current energy recovery accelerators utilizing superconducting technology. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.369
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3.
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Two Dimensional Aspects of the Regenerative BBU in Two-Pass Recirculating Accelerators / Pozdeyev, Eduard
In this paper, I present the formula, describing a threshold of the regenerative multi-pass Beam Breakup (BBU) for a single dipole higher order mode with arbitrary polarization in a two-pass accelerator with a general-form, 4x4 recirculation matrix. To illustrate specifics of the BBU in two dimensions, the formula is used to calculate the threshold for the reflecting and rotating optics of the recirculator that can lead to higher threshold currents. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.2872
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4.
(29)
LHeC ERL Design and Beam-dynamics Issues / Bogacz, S A (Jefferson Lab) ; Shin, I (Jefferson Lab) ; Zimmermann, F (CERN) ; Schulte, D (CERN)
We discuss machine and beam parameter choices for a Linac-Ring option of the Large Hadron electron Collider (LHeC) based on the LHC [1]. With the total wall-plug power limited to 100 MW and a target current of about 6 mA the desired luminosity of 1033 cm-2s-1 can be reached, providing one exploits unique features of the Energy Recovery Linac (ERL). [...]
CERN-ATS-2011-130.- Geneva : CERN, 2011 - 3 p. Fulltext: PDF; External link: Published version from JACoW
In : 2nd International Particle Accelerator Conference, San Sebastian, Spain, 4 - 9 Sep 2011, pp.TUPC054
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5.
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Beam Breakup Instability Studies of Powerful Energy Recovery Linac for Experiments / Setiniyaz, Sadiq (Jefferson Lab ; Lancaster U. ; Daresbury) ; Apsimon, R. (Lancaster U. ; Daresbury) ; Williams, P.H. (Daresbury) ; Barbagallo, C. (IJCLab, Orsay ; IPhT, Saclay ; CERN) ; Bogacz, S.A. (Jefferson Lab) ; Bodenstein, R.M. (Jefferson Lab) ; Deitrick, K. (Jefferson Lab)
The maximum achievable beam current in an Energy Recovery Linac (ERL) is often constrained by Beam Breakup (BBU) instability. [...]
arXiv:2409.02798. -
Fulltext
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6.
(25)
Methods for Measuring and Controlling Beam Breakup in High Current ERLs / Tennant, C ; Jordan, K ; Pozdeyev, E ; Rimmer, R A ; Wang, H
It is well known that high current Energy Recovery Linacs (ERL) utilizing superconducting cavities are susceptible to a regenerative type of beam breakup (BBU). The BBU instability is caused by the transverse deflecting higher-order modes (HOMs) of the cavities which can have high impedance. [...]
2004 External link: Published version from JACoW
In : 22nd International Linear Accelerator Conference, Lubeck, Germany, 16 - 20 Aug 2004, pp.387
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7.
(19)
Beam Breakup (BBU) Instability Experiments on the Experimental Test Accelerator (ETA) and Predictions for the Advanced Test Accelerator (ATA) / Caporaso, G J ; Cole, A G ; Struve, K W
1983 External link: Published version from JACoW
In : 10th Particle Accelerator Conference, Santa Fe, NM, USA, 21 - 23 Mar 1983, pp.2507
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8.
(18)
Tuned Decoherence Damping Applied to the CLIC Drive Linac / Johnson, C D
Numerical simulations of beam transport in the CLIC drive linac, have always included decoherence of betatron phase between and within bunches. [...]
CERN-OPEN-97-017 ; CLIC-Note-329. - 1997 - 7.
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9.
(16)
Cumulative Beam Breakup with Time-Dependent Parameters / Delayen, J R
A general analytical formalism developed recently for cumulative beam breakup (BBU) in linear accelerators with arbitrary beam current profile and misalignments [1] is extended to include time-dependent parameters such as energy chirp or rf focusing in order to reduce BBU-induced instabilities and emittance growth. Analytical results are presented and applied to practical accelerator configurations..
2004 External link: Published version from JACoW
In : 22nd International Linear Accelerator Conference, Lubeck, Germany, 16 - 20 Aug 2004, pp.384
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10.
(15)
Multipass beam breakup in recirculating linacs / Bisognano, J J ; Gluckstern, R L
CEBAF-PR-87-007.- Newport News, VA : Southeast. Univ. Res. Assoc., 1987 - 3 p. External link: Published version from JACoW
In : 12th IEEE Particle Accelerator Conference, Washington, DC, USA, 16 - 19 Mar 1987, pp.1078 - Please contact the library if you need to access this document.
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