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Physics at a multi-TeV muon collider needs a change of perspective for the detector design due to the large amount of background induced by muon beam decays. Preliminary studies, based on simulated data, on the composition and the…

We describe the planned near-term and potential longer-term upgrades of the Belle II detector at the SuperKEKB electron-positron collider operating at the KEK laboratory in Tsukuba, Japan. These upgrades will allow increasingly sensitive…

High Energy Physics - Experiment · Physics 2024-07-08 H. Aihara , A. Aloisio , D. P. Auguste , M. Aversano , M. Babeluk , S. Bahinipati , Sw. Banerjee , M. Barbero , J. Baudot , A. Beaubien , F. Becherer , T. Bergauer , F. U. Bernlochner. , V. Bertacchi , G. Bertolone , C. Bespin , M. Bessner , S. Bettarini , A. J. Bevan , B. Bhuyan , M. Bona , J. F. Bonis , J. Borah , F. Bosi , R. Boudagga , A. Bozek , M. Bračko , P. Branchini , P. Breugnon , T. E. Browder , Y. Buch , A. Budano , M. Campajola , G. Casarosa , C. Cecchi , C. Chen , S. Choudhury , L. Corona , G. de Marino , G. De Nardo , G. De Pietro , R. de Sangro , S. Dey , J. C. Dingfelder , T. V. Dong , A. Dorokhov , G. Dujany , D. Epifanov , L. Federici , T. Ferber , T. Fillinger , Ch. Finck , G. Finocchiaro , F. Forti , A. Frey , M. Friedl , A. Gabrielli , L. Gaioni , Y. Gao , G. Gaudino , V. Gaur , A. Gaz , R. Giordano , S. Giroletti , B. Gobbo , R. Godang , I. Haide , Y. Han , K. Hara , K. Hayasaka , C. Hearty , A. Heidelbach , T. Higuchi , A. Himmi , M. Hoferichter , D. A. Howgill , C. Hu-Guo , T. Iijima , K. Inami , C. Irmler , A. Ishikawa , R. Itoh , D. Iyer , W. W. Jacobs , D. E. Jaffe , Y. Jin , T. Junginger , J. Kandra , K. Kojima , T. Koga , A. A. Korobov , S. Korpar , P. Križan , H. Krüger , T. Kuhr , A. Kumar , R . Kumar , A. Kuzmin , Y. -J. Kwon , S. Lacaprara , C. Lacasta , Y. -T. Lai , K. Lalwani , T. Lam , L. Lanceri , M. J. Lee , C. Leonidopoulos , D. Levit , P. M. Lewis , J. F. Libby , Q. Y. Liu , Z. Y. Liu , D. Liventsev , S. Longo , G. Mancinelli , M. Manghisoni , E. Manoni , C. Marinas , C. Martellini , A. Martens , M. Massa , L. Massaccesi , F. Mawas , J. Mazorra , M. Merola , C. Miller , M. Minuti , R. Mizuk , A. Modak , A. Moggi , G. B. Mohanty , S. Moneta , Th. Muller , I. Na , K. R. Nakamura , M. Nakao , A. Natochii , C. Niebuhr , S. Nishida , A. Novosel , P. Pangaud , B. Parker , A. Passeri , A. Passeri , T. K. Pedlar , Y. Peinaud , Y. Peng , R. Peschke , R. Pestotnik , T. H. Pham , M. Piccolo , L. E. Piilonen , S. Prell , M. V. Purohit , L. Ratti , V. Re , L. Reuter , E. Riceputi , I. Ripp-Baudot , G. Rizzo , J. M. Roney , A. Russo , S. Sandilya , L. Santelj , V. Savinov , B. Scavino , L. Schall , G. Schnell , C. Schwanda , A. J. Schwartz , B. Schwenker , M. Schwickardi , A. Seljak , J. Serrano , J. -G. Shiu , B. Shwartz , F. Simon , A. Soffer , W. M. Song , M. Starič , P. Stavroulakis , S. Stefkova , R. Stroili , S. Tanaka , N. Taniguchi , V. Teotia , N. Tessema , R. Thalmeier , E. Torassa , K. Trabelsi , F. F. Trantou , G. Traversi , P. Urquijo , S. E. Vahsen , I. Valin , G. S. Varner , K. E. Varvell , L. Vitale , V. Vobbilisetti , X. L. Wang , C. Wessel , H. U. Wienands , E. Won , D. Xu , S. Yamada , J. H. Yin , K. Yoshihara , C. Z. Yuan , L. Zani , Z. Zong , S. Zou

In this paper we report on the current status of studies on the expected performance for a detector designed to operate in a muon collider environment. Beam-induced backgrounds (BIB) represent the main challenge in the design of the…

A highly efficient, fully parallelized, six-dimensional tracking model for simulating interactions of colliding hadron beams in high energy ring colliders and simulating schemes for mitigating their effects is described. The model uses the…

Accelerator Physics · Physics 2011-05-25 Hyung J. Kim , Tanaji Sen

The Stanford Linear Collider (SLC) was the first prototype of a new type of accelerator, the electron-positron linear collider. Many years of dedicated effort were required to understand the physics of this new technology and to develop the…

Accelerator Physics · Physics 2007-05-23 Nan Phinney

Collimator detection remains a challenging task in X-ray systems with unreliable or non-available information about the detectors position relative to the source. This paper presents a physically motivated image processing pipeline for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Benjamin El-Zein , Dominik Eckert , Thomas Weber , Maximilian Rohleder , Ludwig Ritschl , Steffen Kappler , Andreas Maier

We propose a new ``disappearing positron track'' channel at Belle II to search for dark matter, in which a positron that is produced at the primary interaction vertex scatters with the electromagnetic calorimeter to produce dark matter…

High Energy Physics - Phenomenology · Physics 2024-05-15 Jinhan Liang , Zuowei Liu , Lan Yang

A high-energy electron-positron collider has been widely recognized by the particle physics community to be the next crucial step for detailed studies of the Higgs boson and other fundamental particles and processes. Several proposals for…

Accelerator Physics · Physics 2024-06-18 Dimitrios Ntounis , Emilio Alessandro Nanni , Caterina Vernieri

The Belle II experiment is presently in phase-2 operation at the SuperKEKB electron-positron collider in KEK (Tsukuba, Japan). The detector is an upgrade of the Belle experiment at the KEKB collider and it is optimized for the study of rare…

Instrumentation and Detectors · Physics 2018-07-04 V. Izzo , A. Aloisio , F. Ameli , A. Anastasio , P. Branchini , F. Di Capua , R. Giordano , A. Kuzmin , K. Miyabayashi , I. Nakamura , M. Nakao , G. Tortone , S. Uehara

Future linear $e^+e^-$ colliders aim for extremely high precision measurements. To achieve this, not only excellent detectors and well controlled machine conditions are needed, but also the best possible estimate of backgrounds. To avoid…

High Energy Physics - Experiment · Physics 2022-09-21 Mikael Berggren

The Belle II experiment at the SuperKEKB e+e- collider in KEK, Japan does start physics data-taking from early of 2018 with primary physics goal that is to probe the New Physics effect using heavy quark and lepton weak decays. During…

Instrumentation and Detectors · Physics 2018-06-26 C. H. Kim , S. H. Kim , I. S. Lee , H. E Cho , Y. J. Kim , J. K. Ahn , E. J. Jang , S. K. Choi , Y. Unno , B. G. Cheon

SuperKEKB is the e-/e+ collider which targets the world highest luminosity. In recent operation, SuperKEKB achieved a new world record of $4.71\times 10^{34} cm^{-2}s^{-1}$ for luminosity with the beam current of 1.4 A. In the future, the…

Accelerator Physics · Physics 2022-10-12 S. Ogasawara , K. Akai , T. Kobayashi , K. Nakanishi , M. Nishiwaki

Collimator wakefields in the Beam Delivery System (BDS) of future linear colliders, such as the International Linear Collider (ILC) and the Compact Linear Collider (CLIC), can be an important source of emittance growth and beam jitter…

We present a new conceptual and optical design for the Next Linear Collider post-linac collimation system. Energy collimation and passive protection against off-energy beams are achieved in a system with large horizontal dispersion and…

Accelerator Physics · Physics 2007-05-23 P. Tenenbaum , R. Helm , L. Keller , T. O. Raubenheimer

The Belle II experiment is a high-energy physics experiment at the SuperKEKB electron-positron collider. Using Belle II data, high precision measurement of rare decays and CP-violation in heavy quarks and leptons can be performed to probe…

Instrumentation and Detectors · Physics 2024-10-30 Y. -K. Kim , S. -J. Cho , S. -H. Park , M. Nakao , T. Konno

The use of non-invasive sensors & systems to measure particle beam characteristics is a crucial part of modern accelerator control systems due to their ability to return real time passive measurements without impacting the beam quality.…

Instrumentation and Detectors · Physics 2024-10-25 A. Rouzky , N. Eddy , M. A. Ibrahim

Numerical simulations have shown that a recently proposed 'crabbed waist' scheme of beam-beam collisions can substantially increase the luminosity of a collider. In this paper we give a qualitative explanation why this scheme works. For…

Accelerator Physics · Physics 2007-05-23 P. Raimondi , D. N. Shatilov , M. Zobov

The Belle-II VerteX Detector (VXD) is a 6 layers silicon tracker device that will cope with an unprecedented luminosity of 8 x 10^35 cm-2 s-1 achievable by the new SuperKEKB e+e- collider, now under commissioning at the KEK laboratory…

Instrumentation and Detectors · Physics 2017-11-21 L. Bosisio , C. La Licata , L. Lanceri , L. Vitale

We present a track-finding algorithm for the Belle II experiment that specifically targets so-called kinks: signatures of charged particles decaying or scattering in-flight in the detector material, resulting in a sudden and significant…