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Related papers: Wake Field Effect Analysis in APT Linac

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The excitation functions of proton induced reactions on natMo targets are measured using the activation technique followed by off-line {\gamma}-ray spectroscopy with improved precision. The experiment was performed at the BARC-TIFR…

Nuclear Experiment · Physics 2026-03-05 Sumit Bamal , S. Lawitlang , B. Lalremruata , A. Mazumdar , S. Pal , M. S. Pose , V. Nanal , Rebecca Pachuau

In NSC KIPT linac, a neutron source based on a subcritical assembly driven by a 100MeV/100kW electron linear accelerator is under design and development. The linear accelerator needs a new high current electron gun. In this paper, the…

Accelerator Physics · Physics 2015-06-17 Zusheng Zhou , Dayong He , Yunlong Chi

Main parameters of linac-ring type $phi$-factory proposed as the part of the Turkic Accelerator Complex (TAC) in the framework of ATAM Science Sity Project are discussed. Two sets of parameters, corresponding to E=130(260) MeV for electron…

High Energy Physics - Experiment · Physics 2007-05-23 O. Yavas , A. K. Ciftci , S. Sultansoy

A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-ray source (TTX), which combining an ultrafast TW laser with…

Accelerator Physics · Physics 2015-06-19 J. F. Hua , L. X. Yan , C. H. Pai , C. J. Zhang , F. Li , Y. Wan , Y. P. Wu , X. L. Xu , Y. C. Du , W. H. Huang , H. B. Chen , C. X. Tang , W. Lu

The High Intensity Proton Accelerator (HIPA) cyclotron at the Paul Scherrer Institut (PSI) delivers 590 MeV CW proton beam with a maximum power of 1.42 MW. After extraction, the beam is transferred in a 120 m long channel towards two target…

Accelerator Physics · Physics 2022-11-23 M. Haj Tahar , D. Kiselev , A. Knecht , D. Laube , D. Reggiani , J. Snuverink

KEK electron linac was upgraded to 8 GeV for the KEK B-Factory (KEKB) project. During the commissioning of the upgraded linac, even continuing SOR ring injections, we had achieved a primary electron beam with 10-nC (6.24 x 10^10) per bunch…

Accelerator Physics · Physics 2018-09-10 K. Furukawa , Linac Commissioning Group

The paper is devoted to application of recently devised ghost-free Analytic Perturbation Theory (APT) for analysis of some QCD observables. We start with the discussion of the main problem of the perturbative QCD -- ghost singularities and…

High Energy Physics - Phenomenology · Physics 2011-09-13 D. V. Shirkov

Slow positrons are increasingly important to the study of material surfaces. For these kinds of studies, the positrons must have low emittance and relatively high brightness. Unfortunately, fast positron sources like radioactive capsules or…

Accelerator Physics · Physics 2025-08-12 Sophie Crisp , Ryland Goldman , Arif Ismail , Spencer Gessner

After irradiating various medical linac parts with photon beams, we performed underground gamma-ray spectroscopy (GRS) measurements of the samples only a few minutes after the irradiations, in order to observe activated short-lived…

Medical Physics · Physics 2018-05-29 Patrick Weber , Jean-Luc Vuilleumier , Geoffroy Guibert , Claire Tamburella

Simulations have shown that a high energy, short and intense proton beam can drive a large amplitude plasma wave and accelerate an electron beam to the energy frontier in a single plasma channel. To verify this novel idea, a…

Accelerator Physics · Physics 2010-06-14 Guoxing Xia , Allen Caldwell , Konstantin Lotov , Alexander Pukhov , Ralph Assmann , Frank Zimmermann

Plasma wakefield dynamics over timescales up to 800 ps, approximately 100 plasma periods, are studied experimentally at the Advanced Wakefield Experiment (AWAKE). The development of the longitudinal wakefield amplitude driven by a…

Longitudinal space charge (LSC) effects are generally considered harmful in free-electron lasers as they can seed unfavorable energy modulations that can result in density modulations with associated emittance dilution. It was pointed out,…

Accelerator Physics · Physics 2016-07-28 A. Halavanau , P. Piot

The Fermi National Accelerator Laboratory (Fermilab) Linac accepts 750 keV H- ions from the front end and accelerates them to 400 MeV for injection into the Booster rapid cycling synchrotron. Day-to-day drifts in the beam longitudinal…

Accelerator Physics · Physics 2024-07-25 R. Sharankova , A. Shemyakin , S. Rego

During proton therapy, the beam flux decreases due to inelastic interactions with nuclei. At the highest energies used in proton therapy around 25\% protons initiate nuclear reactions. This report presents the cross section measurements of…

We investigate the sensitivity of single photon plus missing energy cross-sections at future $e^{+}e^{-}$ linacs to non-standard $WW\gamma$ couplings. We show that even with conservative estimates of systematic errors there is still…

High Energy Physics - Phenomenology · Physics 2009-10-28 K. J. Abraham , J. Kalinowski , P. Sciepko

We studied the persistent photoconductivity (PPC) effect in AlGaN/AlN/GaN heterostructures with two different Al-compositions (x=0.15 and x=0.25). The two-dimensional electron gas formed at the AlN/GaN heterointerface was characterized by…

Materials Science · Physics 2009-11-11 N. Biyikli , U. Ozgur , X. F. Ni , Y. Fu , H. Morkoc , C. Kurdak

In the last ten years the use of proton beams in radiation therapy has become a clinical tool for treatment of deep-seated tumours. LIBO is a RF compact and low cost proton linear accelerator (SCL type) for hadrontherapy. It is conceived by…

Accelerator Physics · Physics 2009-09-29 Paolo Berra

After launch, the Advanced CCD Imaging Spectrometer (ACIS), a focal plane instrument on the Chandra X-ray Observatory, suffered radiation damage from exposure to soft protons during passages through the Earth's radiation belts. An effect of…

Astrophysics · Physics 2009-11-13 C. E. Grant , B. LaMarr , G. Y. Prigozhin , S. E. Kissel , S. K. Brown , M. W. Bautz

Superconductivity in the recently proposed ground-state structures of atomic metallic hydrogen is investigated over the pressure range 500 GPa to 3.5 TPa. Near molecular dissociation, the electron--phonon coupling $\lambda$ and renormalized…

Superconductivity · Physics 2015-05-28 Jeffrey M. McMahon , David M. Ceperley

Laser Wakefield Accelerator (LWFA) is considered as one of the most competitive candidates for the accelerators of the next generation. With the development of high power laser technologies, LWFA has shown its potential of replacing the…

Plasma Physics · Physics 2017-06-28 Ming Zeng , Ovidiu Tesileanu