The Pixel Luminosity Telescope: a detector for luminosity measurement at CMS using silicon pixel sensors
Creators: name: Ayala, Edy
name: Carrera Jarrin, Edgar
name: Ahmed, Imtiaz
name: Campbell, Alan
name: Danilov, Vladyslav
name: Estevez Banos, Luis Ignacio
name: Giraldi, Angela
name: Guthoff, Moritz
name: Hempel, Maria
name: Henschel, Hans
name: Knolle, Joscha
name: Lange, Wolfgang
name: Leonard, Jessica
name: Lohmann, Wolfgang
name: Meyer, Andreas Bernhard
name: Myronenko, Volodymyr
name: Penno, Marek
name: Ribeiro Lopes, Beatriz
name: Rübenach, Jonas
name: Saggio, Alessia
name: Scheurer, Valerie
name: Sosa Ricardo, Rafael Eduardo
name: Turkot, Oleksii
name: Walter, David
name: Kassel, Florian
name: Mallows, Sophie
name: Bartók, Márton
name: Chudasama, Ruchi
name: Farkas, Krisztián
name: Fejes, Milán
name: Gadallah, Mahmod Moussa Abdelkhalek
name: Major, Péter
name: Mehta, Ankita
name: Pásztor, Gabriella
name: Rádl, Attila József
name: Veres, Gabor Istvan
name: Bakhshiansohi, Hamed
name: Gholami, Asghar
name: Khazaie, Elham
name: Sedghi, Mohammad
name: Zeinali, Maryam
name: Fabbri, Fabrizio
name: Tosi, Nicolò
name: Bacchetta, Nicola
name: Trapani, Pier Paolo
name: Daugalas, Jonas
name: Benitez, Jose F.
name: Castaneda Hernandez, Alfredo
name: Encinas Acosta, Hedwin Aaron
name: Gallegos Maríñez, Luis Gabriel
name: León Coello, Moisés
name: Murillo Quijada, Javier Alberto
name: Sehrawat, Ashish
name: Valencia Palomo, Lizardo
name: Oropeza Barrera, Cristina
name: Bheesette, Srinidhi
name: Butler, Anthony Philip Howard
name: Butler, Philip H.
name: Lokhovitskiy, Arkady
name: Lujan, Paul
name: Auzinger, Georg
name: Ball, Austin
name: Çekmecelioğlu, Yusuf Can
name: Dabrowski, Anne
name: Damanakis, Konstantinos
name: Donadon Servelle, Andre
name: Eble, Florian
name: Haranko, Mykyta
name: Hegeman, Jeroen
name: Kessaci, Kieran
name: Kornmayer, Andreas
name: Loos, Robert
name: Miraglia, Marco
name: Nicolini, Janina
name: Orfanelli, Styliani
name: Orsini, Luciano
name: Petrucci, Andrea
name: Ryjov, Vladimir
name: Saariokari, Santeri
name: Schwick, Christoph
name: Schneider, Benjamin
name: Tsoukias, Stefanos
name: Tsrunchev, Peter
name: Wanczyk, Joanna
name: Zagoździńska-Bochenek, Agnieszka Anna
name: Zeuner, Wolfram Dietrich
name: Rohe, Tilman
name: Krintiras, Georgios
name: Palmer, Christopher
name: Jain, Shilpi
name: Mans, Jeremy
name: Rusack, Roger
name: Bueghly, James
name: Chen, Ziheng
name: Gunter, Thoth
name: Odell, Nathaniel
name: Pozdnyakov, Andrey
name: Velasco, Mayda
name: Harrop, Bert
name: Higginbotham, Samuel
name: Kalogeropoulos, Alexis
name: Luo, Jingyu
name: Marlow, Daniel
name: Stickland, David
name: Xie, Zhen
name: Bartz, E.
name: Hidas, Dean
name: Karacheban, Olena
name: Schnetzer, Steve
name: Stone, Robert
name: Acharya, Himal
name: Delannoy, Andrés G.
name: Heideman, Joseph
name: Karunarathna, Nimmitha
name: Riley, Grant
name: Rose, Keith
name: Spanier, Stefan
name: Thapa, Krishna
name: Gurrola, Alfredo
name: Johns, Willard
name: Romeo, Francesco
name: Soubasis, Brandon
name: Farrow, Mary Cathy
name: Azhgirey, Igor
name: Ershov, Alexander
name: Gribushin, Andrey
name: Kaminskiy, Alexander
name: Kurochkin, Igor
name: Okhotnikov, Vitalii
name: Popova, Elena
name: Riabchikova, Anastasiia
name: Selivanova, Daria
name: Shevelev, Alexey
name: CMS BRIL Collaboration
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2023
Subjects: subject: 530
subject: luminosity: monitoring
subject: semiconductor detector: pixel
subject: performance
subject: CMS
subject: calibration
subject: detector: design
subject: measurement methods
subject: alignment
subject: efficiency

description: The Pixel Luminosity Telescope is a silicon pixel detector dedicated to luminosity measurement at the CMS experiment at the LHC. It is located approximately 1.75 m from the interaction point and arranged into 16 “telescopes”, with eight telescopes installed around the beam pipe at either end of the detector and each telescope composed of three individual silicon sensor planes. The per-bunch instantaneous luminosity is measured by counting events where all three planes in the telescope register a hit, using a special readout at the full LHC bunch-crossing rate of 40 MHz. The full pixel information is read out at a lower rate and can be used to determine calibrations, corrections, and systematic uncertainties for the online and offline measurements. This paper details the commissioning, operational history, and performance of the detector during Run 2 (2015–18) of the LHC, as well as preparations for Run 3, which will begin in 2022.