The Large Hadron-Electron Collider at the HL-LHC

P. Agostini, H. Aksakal, H. Alan, S. Alekhin, P. Allport, N. Andari, K. André, D. Angal-Kalinin, S. Antusch, L. Bella, L. Apolinário, R. Apsimon, A. Apyan, G. Arduini, V. Ari, A. Armbruster, N. Armesto, B. Auchmann, K. Aulenbacher, G. Azuelos, S. Backovic, I. Bailey, S. Bailey, F. Balli, S. Behera, O. Behnke, I. Ben-Zvi, M. Benedikt, J. Bernauer, S. Bertolucci, S. Biswal, J. Blumlein, A. Bogacz, M. Bonvini, M. Boonekamp, F. Bordry, G. Boroun, L. Bottura, S. Bousson, A. Bouzas, C. Bracco, J. Bracinik, D. Britzger, S. Brodsky, C. Bruni, O. Bruning, H. Burkhardt, O. Cakir, R. Calaga, A. Caldwell, A. Caliskan, S. Camarda, N. Catalan-Lasheras, K. Cassou, J. Čepila, V. Çeti̇nkaya, V. Chetvertkova, B. Cole, B. Coleppa, A. Cooper-Sarkar, É. Cormier, A. Cornell, R. Corsini, E. Cruz-Alaniz, J. Currie, D. Curtin, M. D’Onofrio, J. Dainton, E. Daly, A. Das, S. Das, L. Dassa, J. Blas, L. D. Rose, H. Denizli, K. Deshpande, D. Douglas, L. Duarte, K. Dupraz, S. Dutta, A. Efremov, R. Eichhorn, K. Eskola, E. Ferreiro, O. Fi
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引用次数: 162

Abstract

The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High Luminosity--Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron-proton and proton-proton operation. This report represents an update of the Conceptual Design Report (CDR) of the LHeC, published in 2012. It comprises new results on parton structure of the proton and heavier nuclei, QCD dynamics, electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics in extending the accessible kinematic range in lepton-nucleus scattering by several orders of magnitude. Due to enhanced luminosity, large energy and the cleanliness of the hadronic final states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, the report represents a detailed updated design of the energy recovery electron linac (ERL) including new lattice, magnet, superconducting radio frequency technology and further components. Challenges of energy recovery are described and the lower energy, high current, 3-turn ERL facility, PERLE at Orsay, is presented which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution and calibration goals which arise from the Higgs and parton density function physics programmes. The paper also presents novel results on the Future Circular Collider in electron-hadron mode, FCC-eh, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies.
HL-LHC的大型强子-电子对撞机
大型强子电子对撞机(LHeC)旨在将深度非弹性散射(DIS)场移动到粒子物理的能量和强度前沿。利用能量回收技术,它将一种新型的、强烈的电子束与来自高亮度大型强子对撞机(HL-LHC)的质子或离子束碰撞。加速器和相互作用区设计用于电子-质子和质子-质子同步操作。本报告是2012年发布的LHeC概念设计报告(CDR)的更新。它包括质子和重核的部分子结构、QCD动力学、电弱和顶夸克物理等方面的新成果。它显示了LHeC如何将轻子-核散射的可达运动范围扩大几个数量级,从而打开了核粒子物理学的新篇章。由于亮度增强、能量大、强子最终态干净,大型强子对撞机具有强大的希格斯物理程序和自身发现新物理的潜力。该报告以2012年CDR为基础,详细介绍了能量回收电子直线加速器(ERL)的更新设计,包括新的晶格、磁体、超导射频技术和其他组件。描述了能量回收的挑战,并介绍了低能量,大电流,3转ERL设施,Orsay的PERLE,它利用LHeC的特性作为LHeC设计和运行的开发设施。根据希格斯和部分子密度函数物理方案提出的接收、分辨率和校准目标,提出了一种新的探测器设计。论文还介绍了电子-强子模式下的未来圆形对撞机FCC-eh的新结果,该对撞机利用相同的ERL技术将DIS的范围进一步扩展到更高的质心能量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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