Colliding a linear electron beam with a storage ring beam

Grosse‐Wiesmann, P.

doi:10.1016/0168-9002(89)90360-4

Cited by 20 publications

(7 citation statements)

References 6 publications

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“…After careful consideration of installation issues and parameters of the electron beam, preference was given to the LR option for the next phase of design as this is rather independent of the LHC. Early considerations of linac-ring electron-proton colliders were published in [22,23].…”

Section: Accelerator Design 41 Lhec Projectmentioning

confidence: 99%

The Large Hadron Electron Collider

2013

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An overview is given on key physics, detector and accelerator aspects of the LHeC, including its further development, with emphasis to its role as the cleanest microscope of parton dynamics and a precision Higgs facility. Deep inelastic scatteringThe scattering of leptons off protons has lead to fundamental insight and corresponding historic progress in particle physics. In 1955, with a beam of E e = 0.2 GeV electron energy, a finite proton radius of about 0.74 fm was discovered. Using a higher energy beam, of E e 10 GeV, the measurement of the proton structure function νW 2 = F 2 (x, Q 2 ) at fixed Bjorken x as a function of the four-momentum transfer squared Q 2 , performed by the famous SLAC-MIT experiment, established the existence of partons as the smallest constituents of protons [1]. Ten years later, in 1978, a measurement of the polarization asymmetry in ep scattering at very low Q 2 determined the righthanded weak isospin charge of the electron to be zero [2], which was crucial for the identification of the Glashow-Weinberg-Salam theory as the appropriate description of the electroweak interaction. The first electron-proton collider, HERA, was built at DESY in eight years between 1984 and 1992. It extended the Q 2 range up to a few times 10 4 GeV 2 and explored the region of very low x = Q 2 /sy ≥ 10 −4 , for s = 4E e E p 10 5 GeV 2 and the inelasticity y ≤ 1. With HERA, deep inelastic scattering (DIS) physics made enormous progress in the understanding of the proton's structure, of the quark-gluon dynamics and its theoretical description within Quantum Chromodynamics (QCD) and also in the search for new phenomena beyond the Standard Model (SM) of particle physics [3]. There would nowadays be no quantitative description of LHC physics, and notably the Higgs production cross section, which at the LHC is dominantly due to gluon-gluon (gg) fusion, would not be known without the parton dynamics information deduced mainly from HERA.1

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Section: Accelerator Design 41 Lhec Projectmentioning

confidence: 99%

The Large Hadron Electron Collider

2013

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“…There are a number of reviews on the subject [11,12,13,14,15,1]. Another line deals with particle factories (see Wiesmann proposed linac-ring type B-factory [16,17,18,19]. In 1993 linacring type charm-tau factory had proposed as the regional project for Turkey and abroad [20].…”

Section: Introductionmentioning

confidence: 99%

Review of Linac–ring-Type Collider Proposals

Akay

Karadeniz

Sultansoy

2010

Int. J. Mod. Phys. A

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There are three possibly types of particle colliders schemes: familiar (well known) ring-ring colliders, less familiar however sufficiently advanced linear colliders and less familiar and less advanced linac-ring type colliders. The aim of this paper is two-fold: to present possibly complete list of papers on linac-ring type collider proposals and to emphasize the role of linac-ring type machines for future HEP research.(1)

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“…Starting from the 1980's, this idea has been revisited with the purposes of achieving high luminosities at particle factories [6][7][8][9][10][11] and high energies at leptonhadron and photon-hadron collisions [1][2][3][4]. In the last three years: colliders.…”

Section: Introductionmentioning

confidence: 99%

“…a e-mail: saleh@gazi.edu.tr 2 Linac-ring type colliders Linac-ring type colliders were proposed more than thirty years ago [5]. Starting from the 1980's, this idea has been revisited with the purposes of achieving high luminosities at particle factories [6][7][8][9][10][11] and high energies at leptonhadron and photon-hadron collisions [1][2][3][4]. In the last three years:…”

Section: Introductionmentioning

confidence: 99%