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The use of precise time-of-flight (ToF) detectors for measurements of diffractive and electromagnetic processes in proton-proton collisions is discussed. The performance of background rejection exploiting the ToF measurements of the forward…

High Energy Physics - Experiment · Physics 2019-06-26 Rafał Staszewski , Janusz J. Chwastowski

We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. Efficiencies and resolutions are measured using high-statistics data samples collected at low and moderate pile-up…

Instrumentation and Detectors · Physics 2024-06-03 ATLAS Collaboration

The large Time-Of-Flight (TOF) array is one of the main detectors devoted to charged hadron identification in the mid-rapidity region of the ALICE experiment at the LHC. It allows separation among pions, kaons and protons up to a few GeV/c,…

Instrumentation and Detectors · Physics 2015-06-04 Andrea Alici

We have developed a novel detector, referred to as an "$\alpha$-ToF detector", for correlated measurements of atomic masses and decay properties of low-yield, short-lived radioactive isotopes using a multi-reflection time-of-flight mass…

Instrumentation and Detectors · Physics 2020-01-08 T. Niwase , M. Wada , P. Schury , H. Haba , S. Ishizawa , Y. Ito , D. Kaji , S. Kimura , H. Miyatake , K. Morimoto , K. Morita , M. Rosenbusch , H. Wollnik , T. Shanley , Y. Benari

Time-of-flight (ToF) measurements is a possible alternative to anti-scatter grids in computed tomography (CT). Simulations have shown a possible 75% reduction in the detrimental scattering contribution with a 100 ps FWHM timing resolution.…

The ALICE Time-Of-Flight (TOF) detector at LHC is based on the Multigap Resistive Plate Chambers (MRPCs). The TOF performance during LHC Run 2 is here reported. Particular attention is given to the improved time resolution reached by TOF…

Instrumentation and Detectors · Physics 2019-07-24 Francesca Carnesecchi

The ATLAS Forward Proton (AFP) detector is intended to measure protons scattered at small angles from the ATLAS interaction point. To this end, a combination of 3D Silicon pixel tracking modules and Quartz-Cherenkov time-of-flight (ToF)…

To maximise the potential for new measurements and discoveries at the LHC, the machine delivers as high as possible collision rates. As a consequence, multiple proton-proton collisions occur whenever two bunches cross. Interesting…

High Energy Physics - Phenomenology · Physics 2019-08-07 Gregory Soyez

The rejection of forward jets originating from additional proton--proton interactions (pile-up) is crucial for a variety of physics analyses at the LHC, including Standard Model measurements and searches for physics beyond the Standard…

High Energy Physics - Experiment · Physics 2017-09-20 ATLAS Collaboration

This paper describes the use of the time-of-flight (TOF) technique as a particle identification method for the HERMES experiment. The time-of-flight is measured by two 1x4 m^2 scintillation hodoscopes that initially were designed for the…

High Energy Physics - Experiment · Physics 2009-11-10 HERMES Collaboration , A. Airapetian , N. Akopov , M. Amarian , H. Avakian , A. Avetissian , E. Avetisyan , B. W. Filippone , R. Kaiser , H. Zohrabian

Plastic scintillation detectors for Time-of-Flight (TOF) measurements are almost essential for event-by-event identification of relativistic rare isotopes. In this work, a pair of plastic scintillation detectors of 50 $\times$ 50 $\times$…

GASTOF (Gas Time-of-Flight) detector is a Cherenkov detector proposed for very precise (10--20 ps) arrival time measurements of forward protons at some 420 m from the central detectors of CMS and ATLAS. Such an excellent time resolution…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Bonnet , T. Pierzchala , K. Piotrzkowski , P. Rodeghiero

Time-Of-Flight (TOF) is a noble technique that is used in Positron Emission Tomography (PET) imaging worldwide. The scintillator based imaging system that is being used around the world for TOF-PET is very expensive. Multi-gap Resistive…

Instrumentation and Detectors · Physics 2018-07-02 Rajesh Ganai , Shaifali Mehta , Mehulkumar Shiroya , Mitali Mondal , Zubayer Ahammed , Subhasis Chattopadhyay

Timing-pick up detectors with excellent timing resolutions are essential in many modern nuclear physics experiments. Aiming to develop a Time-Of-Flight system with precision down to about 10 ps, we have made a systematic study of the timing…

Instrumentation and Detectors · Physics 2016-04-19 J. W. Zhao , B. H. Sun , I. Tanihata , S. Terashima , L. H. Zhu , A. Enomoto , D. Nagae , T. Nishimura , S. Omika , A. Ozawa , Y. Takeuchi , T. Yamaguchi

The new CDFII detector incorporates a Time-of-Flight detector (TOF), employing plastic scintillator bars and fine-mesh photomultipliers. Since August 2001 the TOF system has been fully instrumented and integrated into the CDFII data…

Particle production from secondary proton-proton collisions, commonly referred to as pile-up, impair the sensitivity of both new physics searches and precision measurements at LHC experiments. We propose a novel algorithm, PUMA, for…

Instrumentation and Detectors · Physics 2022-11-03 Benedikt Maier , Siddharth M. Narayanan , Gianfranco de Castro , Maxim Goncharov , Christoph Paus , Matthias Schott

The aim of this work is to develop high precision Time-of-Flight (TOF) devices based on high refractive index solid Cherenkov radiators read out by silicon photomultipliers (SiPMs). Cherenkov light is prompt and therefore ideal for reaching…

A novel detector based on a polycrystalline diamond sensor is here employed in an advanced Time-Of-Flight scheme for the characterization of energetic ions accelerated during laser-matter interactions. The optimization of the detector and…

Fast timing detectors are an essential element in the experimental setup for time-of-flight (ToF) mass measurements of unstable nuclei. We have upgraded the scintillator detectors used in experiments at the National Superconducting…

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