English
Related papers

Related papers: Synchrotron oscillation damping due to beam-beam c…

200 papers

We describe a flexible and modular delayed-feedback nonlinear oscillator that is capable of generating a wide range of dynamical behaviours, from periodic oscillations to high-dimensional chaos. The oscillator uses electrooptic modulation…

Longitudinal density correlations of produced matter in Au+Au collisions at sqrt(s_NN)=200 GeV have been measured from the inclusive charged particle distributions as a function of pseudorapidity window sizes. The extracted \alpha \xi…

Nuclear Experiment · Physics 2008-11-26 PHENIX Collaboration , S. S. Adler

We discuss an existence of the damping for the radial condensate oscillations in a cylindric trap at zero temperature. The damping is a result of the parametric resonance leading to energy transfer from the coherent condensate oscillations…

Statistical Mechanics · Physics 2007-05-23 Yu. Kagan , L. A. Maksimov

Progress on the Intensity Frontier of high energy physics critically depends on record high intensity charged particles accelerators. Beams in such machines become operationally limited by coherent beam instabilities, particularly enhanced…

Accelerator Physics · Physics 2017-09-29 Yuri Alexahin , Alexey Burov , Vladimir Shiltsev

A measurement of charged hadron pair correlations in two-dimensional $\Delta\eta\Delta\phi$ space is presented. The analysis is based on total 30 million central Be+Be collisions observed in the NA61/SHINE detector at the CERN SPS for…

Nuclear Experiment · Physics 2021-01-25 SHINE Collaboration , A. Aduszkiewicz , E. V. Andronov , T. Antićić , V. Babkin , M. Baszczyk , S. Bhosale , A. Blondel , M. Bogomilov , A. Brandin , A. Bravar , W. Bryliński , J. Brzychczyk , M. Buryakov , O. Busygina , A. Bzdak , H. Cherif , M. Ćirković , M. Csanad , J. Cybowska , T. Czopowicz , A. Damyanova , N. Davis , M. Deliyergiyev , M. Deveaux , A. Dmitriev , W. Dominik , P. Dorosz , J. Dumarchez , R. Engel , G. A. Feofilov , L. Fields , Z. Fodor , A. Garibov , M. Gaździcki , O. Golosov , V. Golovatyuk , M. Golubeva , K. Grebieszkow , F. Guber , A. Haesler , S. N. Igolkin , S. Ilieva , A. Ivashkin , S. R. Johnson , K. Kadija , N. Kargin , E. Kashirin , M. Kiełbowicz , V. A. Kireyeu , V. Klochkov , V. I. Kolesnikov , D. Kolev , A. Korzenev , V. N. Kovalenko , S. Kowalski , M. Koziel , A. Krasnoperov , W. Kucewicz , M. Kuich , A. Kurepin , D. Larsen , A. László , T. V. Lazareva , M. Lewicki , K. Łojek , V. V. Lyubushkin , M. Maćkowiak-Pawłowska , Z. Majka , B. Maksiak , A. I. Malakhov , A. Marcinek , A. D. Marino , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , A. O. Merzlaya , B. Messerly , Ł. Mik , S. Morozov , S. Mrówczyński , Y. Nagai , M. Naskręt , V. Ozvenchuk , V. Paolone , O. Petukhov , R. Płaneta , P. Podlaski , B. A. Popov , B. Porfy , M. Posiadała-Zezula , D. S. Prokhorova , D. Pszczel , S. Puławski , J. Puzović , M. Ravonel , R. Renfordt , D. Röhrich , E. Rondio , M. Roth , B. T. Rumberger , M. Rumyantsev , A. Rustamov , M. Rybczynski , A. Rybicki , A. Sadovsky , K. Schmidt , I. Selyuzhenkov , A. Yu. Seryakov , P. Seyboth , M. Słodkowski , P. Staszel , G. Stefanek , J. Stepaniak , M. Strikhanov , H. Ströbele , T. Šuša , A. Taranenko , A. Tefelska , D. Tefelski , V. Tereshchenko , A. Toia , R. Tsenov , L. Turko , R. Ulrich , M. Unger , D. Uzhva , F. F. Valiev , D. Veberič , V. V. Vechernin , A. Wickremasinghe , Z. Włodarczyk , K. Wojcik , O. Wyszyński , E. D. Zimmerman , R. Zwaska

Using the forward time projection chambers of the STAR experiment at the Brookhaven Relativistic Heavy Ion Collider we measure the centrality dependent Lambda and Anti-Lambda yields and inverse slope parameters in d+Au collisions at forward…

Nuclear Experiment · Physics 2019-08-14 Frank Simon

The beam-beam effects of the PEP-II as an asymmetric collider are studied with strong-strong simulations using a newly developed particle-in-cell (PIC) code. The simulated luminosity agrees with the measured one within 10% in a large range…

Accelerator Physics · Physics 2007-05-23 Yunhai Cai

The dynamic conductivity $\sigma(\omega)$ of strongly correlated electrons in a symmetry broken phase is investigated in the present work. The model considered consists of spinless fermions with repulsive interaction on a simple cubic…

Condensed Matter · Physics 2016-08-31 Goetz S. Uhrig

Applying a sparse constraint on the beam pattern has been suggested to suppress the sidelobe of the minimum variance distortionless response (MVDR) beamformer recently. To further improve the performance, we add a mixed norm constraint on…

Information Theory · Computer Science 2015-03-17 Yipeng Liu , Qun Wan

Spatial separation of the wave packets (WPs) of neutrino mass eigenstates leads to decoherence and damping of neutrino oscillations. Damping can also be caused by finite energy resolution of neutrino detectors or, in the case of experiments…

High Energy Physics - Phenomenology · Physics 2022-11-30 Evgeny Akhmedov , Alexei Y. Smirnov

The Rapid Cycling Synchrotron (RCS) is a key component of the China Spallation Neutron Source (CSNS). For this type of high intensity proton synchrotron, the chromaticity, space charge effects and magnetic field tracking errors between the…

Accelerator Physics · Physics 2013-12-06 Shouyan Xu , Sheng Wang , Yuwen An , Zhiping Li

This work presents how first-principles simulations validated through experimental measurements lead to a new accurate prediction of the expected Raman shift as a function of strain in silicon. Structural relaxation of a strained primitive…

Applied Physics · Physics 2023-01-31 Nicolas Roisin , Marie-Stéphane Colla , Jean-Pierre Raskin , Denis Flandre

Fractionalization of symmetry - exemplified by spin-charge separation in the 1D Hubbard model and fractional charges in the fractional quantum Hall effect - is a typical strongly correlated phenomena in quantum many-body systems. Despite…

Quantum Gases · Physics 2026-02-17 Liang Tong , Shi Chen , Yu Chen

Magnet error driven resonances under space-charge-induced resonance crossing represents a significant limitation on beam intensity in low-injection-energy high-intensity synchrotrons. Unstable particle motion arises from the combined…

Accelerator Physics · Physics 2025-07-08 Cheng Guo , Jie Liu , Jiancheng Yang , Ruihu Zhu

We investigate a quasi one-dimensional $^{87}\text{Rb}$ Bose-Einstein condensate in a harmonic trap with an additional dimple trap (dT) in the center. Within a zero-temperature Gross-Pitaevskii mean-field description we provide a…

Quantum Gases · Physics 2016-06-22 Javed Akram , Axel Pelster

Longitudinal collective modes of a bunched beam with a repulsive inductive impedance (the space charge below transition or the chamber inductance above it) are analytically described by means of reduction of the linearized Vlasov equation…

Accelerator Physics · Physics 2021-06-16 Alexey Burov

The electric drift current bias was recently introduced as a new paradigm to break the Lorentz reciprocity in graphene. Here, we study the impact of the nonreciprocal response in the energy extracted from a beam of swift charges travelling…

Applied Physics · Physics 2019-12-10 Filipa R. Prudêncio , Mário G. Silveirinha

A semiclassical method is used to study Landau damping of transverse pseudo-spin waves in harmonically trapped ultracold gases in the collisionless Boltzmann limit. In this approach, the time evolution of a spin is calculated numerically as…

Statistical Mechanics · Physics 2009-11-11 R. J. Ragan , W. J. Mullin , E. B. Wiita

The cross sections for charged and neutral current deep inelastic scattering in e^+p collisions with a longitudinally polarised positron beam have been measured using the ZEUS detector at HERA. The results, based on data corresponding to an…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

We present results on coherent control of ultracold trap-loss collisions using 40 ns pulses of nonlinearly frequency-chirped light. The chirps, either positive or negative, sweep ~1 GHz in 100 ns and are centered at various detunings below…

Atomic Physics · Physics 2015-05-28 J. A. Pechkis , J. L. Carini , C. E. Rogers , P. L. Gould , S. Kallush , R. Kosloff