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Related papers: Long Range Beam-beam Effects in the LHC

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The emittance growth in the HL-LHC due to beam-beam effects is examined by virtue of strong-strong computer simulations. A model of the transverse damper and the noise level have been tuned to simulate the emittance growth in the present…

Accelerator Physics · Physics 2014-10-23 S. Paret , J. Qiang

Effects of electromagnetic interactions of colliding bunches in the Tevatron had a variety of manifestations in beam dynamics presenting vast opportunities for development of simulation models and tools. In this paper the computer code for…

Accelerator Physics · Physics 2015-05-13 A. Valishev , Yu. Alexahin , V. Lebedev , D. Shatilov

The challenging High Luminosity LHC (HL-LHC) beam requirements will lead in the future to unprecedented beam parameters along the LHC injector chain. In the SPS accelerator these requests translate into about a factor two higher intensity…

A huge systematics of femtoscopic measurements have been used over the past 20 years to characterize the system created in heavy ion collisions. These measurements cover two orders of magnitude in energy, and with LHC beams imminent, this…

Nuclear Theory · Physics 2011-08-04 Mike Lisa

A review article on the physics of beam-beam interactions in circular colliders.

Accelerator Physics · Physics 2011-02-16 Tanaji Sen

Understanding the intriguing physical effects of long-range interactions is a common theme in a host of physical systems. In this work, based on the classical screened Coulomb interacting ring model, we investigate the dynamical effects of…

Soft Condensed Matter · Physics 2021-05-10 Zhenwei Yao

FCC-ee, the lepton version of the Future Circular Collider (FCC), is a 100 Km future machine under study to be built at CERN. It acquires two experiments with a highest beam energy of 182.5 GeV. FCC-ee aims to operate at four different…

Accelerator Physics · Physics 2019-04-24 Dima El Khechen , Katsunobu Oide , Frank Zimmermann

Future Experiments at LHC will have the opportunity to pursue an extensive program on B Physics and CP violation. The expected performance are presented here.

High Energy Physics - Experiment · Physics 2007-05-23 Marta Calvi

Although we believe most of the results presented here are correct, they are correct only in the limit of negligible beam disruption, which is not the ILC case. Also, the paper needs a convincing treatment of beam pipe shielding effects,…

Accelerator Physics · Physics 2011-05-16 G. Bonvicini , N. Powell

During the beam commissioning of the Large Hadron Collider (LHC) with 150, 75, 50 and 25-ns bunch spacing, important electron-cloud effects, like pressure rise, cryogenic heat load, beam instabilities or emittance growth, were observed. A…

Accelerator Physics · Physics 2013-06-25 O. Dominguez , F. Zimmermann

We present comments on the paper "Observation of Long-Range, Near-Side Angular Correlations in proton-proton Collisions at the LHC".

High Energy Physics - Experiment · Physics 2010-10-15 L. J. Gutay , R. P. Scharenberg , B. K. Srivastava

Th is paper is motivated by the growing importance of better understanding of the phenomena and consequences of high- intensity energetic particle beam interactions with accelerator, generic target , and detector components. It reviews the…

Accelerator Physics · Physics 2016-08-09 N. V. Mokhov , F. Cerutti

Beam-beam forces and collision optics can strongly affect beam lifetime, dynamic aperture, and halo formation in particle colliders. Extensive analytical and numerical simulations are carried out in the design and operational stage of a…

Harmonics of the mains frequency (50 Hz) have been systematically observed in the transverse beam spectrum of the Large Hadron Collider (LHC) since the start of its operation in the form of dipolar excitations. In the presence of strong…

Accelerator Physics · Physics 2021-03-17 Sofia Kostoglou , Gianluigi Arduini , Leandro Intelisano , Yannis Papaphilippou , Guido Sterbini

We present the results of numerical simulations and experimental studies about the effects of resonant and random excitations on proton losses, emittances, and beam distributions in the Large Hadron Collider (LHC). In addition to shedding…

Accelerator Physics · Physics 2019-09-30 Miriam Fitterer , Giulio Stancari , Alexander Valishev , Stefano Redaelli , Daniel Valuch

The CERN Large Hadron Collider (LHC) is designed to collide proton beams of unprecedented energy, in order to extend the frontiers of high-energy particle physics. During the first very successful running period in 2010--2013, the LHC was…

Chapter 13 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Since opening up a new energy frontier for exploration in…

Accelerator Physics · Physics 2017-05-31 E. Bravin , B. Dehning , R. Jones , T. Lefevre , H. Schmickler

At the Linear Collider mismatches between the two beams will result in an intense beamstrahlung. We have studied how this beamstrahlung would evolve as a function of the offset between the two beams and we suggest ways of monitoring it.

Accelerator Physics · Physics 2007-05-23 Nicolas Delerue , Toshiaki Tauchi

LHCb is the experiment at the Large Hadron Collider devoted to studies of new phenomena in CP violation and in rare decays. This review summarizes the status of the experiment in the imminence of the data taking, the prospects for the first…

High Energy Physics - Experiment · Physics 2009-03-16 Marta Calvi

The high resolution of the LHCb vertex detector makes it possible to perform precise measurements of the vertex positions of beam-gas and beam-beam interactions. With these measurements beam parameters such as width and position can be…

Instrumentation and Detectors · Physics 2010-05-25 Plamen Hopchev