A high-granularity timing detector for the ATLAS phase-II upgrade
M.P. Casado
(1)
,
C. Adam Bourdarios
(2, 3)
,
M. Belfkir
(3)
,
N. Berger
(3)
,
F. Costanza
(3)
,
A. Cueto
(3)
,
M. Delmastro
(3)
,
L. Di Ciaccio
(3)
,
L. Franco
(3)
,
C. Goy
(3)
,
T. Guillemin
(3)
,
T. Hryn’ova
(3)
,
S. Jézéquel
(3)
,
I. Koletsou
(3)
,
R. Lafaye
(3)
,
J. Levêque
(4)
,
N. Lorenzo Martinez
(3)
,
L. Portales
(3)
,
E. Sauvan
(5, 3)
,
I. Wingerter-Seez
(3)
,
M.N. Agaras
(6)
,
W.M. Barbe
(6)
,
D. Boumediene
(6)
,
D. Calvet
(6)
,
S. Calvet
(7)
,
J. Donini
(6)
,
F.A. Jimenez Morales
(6)
,
F. Jouve
(6)
,
D. Lambert
(6)
,
R. Madar
(6)
,
S. Manen
(6)
,
T. Megy
(6)
,
E. Nibigira
(6)
,
L. Royer
(6)
,
L. Rustige
(6)
,
C. Santoni
(6)
,
A. Soulier
(6)
,
R. Vandaele
(6)
,
F. Vazeille
(6)
,
J. Collot
(8)
,
S. Crépé-Renaudin
(8)
,
P.A. Delsart
(8)
,
M.H. Genest
(8)
,
R. Hulsken
(8)
,
M. Kuna
(8)
,
A. Lleres
(8)
,
A. Lucotte
(8)
,
F. Malek
(8)
,
D.M. Portillo Quintero
(8)
,
J. Stark
(8)
,
B. Trocmé
(8)
,
C. Agapopoulou
(9)
,
K. Al Khoury
(9)
,
H. Atmani
(9)
,
A. Bassalat
(9)
,
A. Blot
(9)
,
J. Bonis
(9)
,
J.B. de Vivie De Regie
(9)
,
D. Delgove
(9)
,
C. Delporte
(9)
,
L. Duflot
(9)
,
M. Escalier
(9)
,
A.C. Falou
(9)
,
L. Fayard
(9)
,
D. Fournier
(9)
,
A. Ghosh
(9)
,
J.-F. Grivaz
(9)
,
A. Guerguichon
(9)
,
D. Hohov
(9)
,
J. Hrivnac
(9)
,
L. Iconomidou-Fayard
(9)
,
A. Kotsokechagia
(9)
,
A. Lounis
(9)
,
N. Makovec
(9)
,
A. Migayron
(9)
,
N. Morange
(9)
,
M.M. Perego
(9)
,
P. Petroff
(9)
,
P. Puzo
(9)
,
D. Rousseau
(9)
,
G. Rybkin
(9)
,
S. Sacerdoti
(9)
,
A.C. Schaffer
(9)
,
L. Serin
(9)
,
S. Simion
(9)
,
R. Tanaka
(9)
,
A. Trofymov
(9)
,
D. Varouchas
(9)
,
D. Zerwas
(9)
,
Z. Zhang
(9)
,
G. Rahal
(10)
,
G. Aad
(5)
,
M. Barbero
(5)
,
G. Bartolini
(5)
,
T.P. Calvet
(5)
,
Y. Coadou
(5)
,
C. Diaconu
(5)
,
F. Djama
(5)
,
A. Duperrin
(5)
,
L. Feligioni
(5)
,
E. Fortin
(5)
,
Z. Guo
(5)
,
G.D. Hallewell
(5)
,
F. Hubaut
(5)
,
E.B.F.G. Knoops
(5)
,
E. Le Guirriec
(5)
,
E. Monnier
(5)
,
S. Muanza
(5)
,
E. Nagy
(5)
,
H.D.N. Nguyen
(5)
,
E. Petit
(5)
,
P. Pralavorio
(5)
,
A. Rozanov
(5)
,
T. Strebler
(5)
,
M. Talby
(5)
,
S. Tisserant
(5)
,
J. Toth
(5)
,
N.K. Vu
(5)
,
S. Conforti
(11)
,
C. de La Taille
(11)
,
P. Dinaucourt
(11)
,
G. Martin-Chassard
(11)
,
N. Seguin-Moreau
(11)
,
T. Beau
(12)
,
G. Bernardi
(12)
,
M. Bomben
(12)
,
G. Calderini
(12)
,
R. Camacho Toro
(12)
,
F. Crescioli
(12)
,
F. Derue
(12)
,
R. Hankache
(12)
,
M.W. Krasny
(12)
,
D. Lacour
(12)
,
B. Laforge
(12)
,
D. Laporte
(12)
,
A. Leopold
(12)
,
I. Luise
(12)
,
B. Malaescu
(12)
,
G. Marchiori
(12)
,
I. Nikolic-Audit
(12)
,
I. Nomidis
(12)
,
J. Ocariz
(12)
,
L. Pascual Dominguez
(12)
,
L. Poggioli
(12)
,
M. Ridel
(12)
,
L. Roos
(12)
,
S. Trincaz-Duvoid
(12)
,
J. Zahreddine
(12)
,
N. Andari
(13)
,
H. Bachacou
(13)
,
F. Balli
(13)
,
F. Bauer
(13)
,
N. Besson
(13)
,
M. Boonekamp
(13)
,
T.J.A. Chevalérias
(13)
,
L. Chevalier
(13)
,
F. Deliot
(13)
,
A. Formica
(13)
,
P.F. Giraud
(13)
,
C. Guyot
(13)
,
S. Hassani
(13)
,
F. Jeanneau
(13)
,
T. Kawamoto
(13)
,
M. Khandoga
(13)
,
M. Kolb
(13)
,
J.F. Laporte
(13)
,
B. Mansoulie
(13)
,
J-P. Meyer
(13)
,
T. Moskalets
(13)
,
R. Nicolaidou
(13)
,
A. Ouraou
(13)
,
A. Peyaud
(13)
,
L. Schoeffel
(13)
,
Ph. Schune
(13)
,
Ph. Schwemling
(13)
,
M. Vandenbroucke
(13)
,
T. Xu
(13)
1
IFAE -
Institut de Física d’Altes Energies [Barcelone]
2 LAL - Laboratoire de l'Accélérateur Linéaire
3 LAPP - Laboratoire d'Annecy de Physique des Particules
4 CIC - Centre d'Investigation Clinique [Rennes]
5 CPPM - Centre de Physique des Particules de Marseille
6 LPC - Laboratoire de Physique de Clermont
7 LPC - Laboratoire de Pathologie Comparée
8 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
9 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
10 CC-IN2P3 - Centre de Calcul de l'IN2P3
11 OMEGA - Organisation de Micro-Électronique Générale Avancée
12 LPNHE (UMR_7585) - Laboratoire de Physique Nucléaire et de Hautes Énergies
13 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
2 LAL - Laboratoire de l'Accélérateur Linéaire
3 LAPP - Laboratoire d'Annecy de Physique des Particules
4 CIC - Centre d'Investigation Clinique [Rennes]
5 CPPM - Centre de Physique des Particules de Marseille
6 LPC - Laboratoire de Physique de Clermont
7 LPC - Laboratoire de Pathologie Comparée
8 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
9 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
10 CC-IN2P3 - Centre de Calcul de l'IN2P3
11 OMEGA - Organisation de Micro-Électronique Générale Avancée
12 LPNHE (UMR_7585) - Laboratoire de Physique Nucléaire et de Hautes Énergies
13 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
Abstract
The large increase of pileup interactions is one of the main experimental challenges for the HL-LHC physics programme. A powerful new way to mitigate the effects of pileup is to use high-precision timing information to distinguish between collisions occurring close in space but well-separated in time. A High-Granularity Timing Detector, based on low gain avalanche detector technology, is therefore proposed for the ATLAS Phase-II upgrade. Covering the pseudorapidity region between 2.4 and 4.0, this device will improve the detector physics performance in the forward region. The typical number of hits per track in the detector was optimized so that the target average time resolution per track for a minimum-ionising particle is 30 ps at the start of lifetime, increasing to 50 ps at the end of HL-LHC operation. The high-precision timing information improves the pileup reduction to improve the forward object reconstruction, complementing the capabilities of the upgraded Inner Tracker (ITk) in the forward regions of ATLAS and leading to an improved performance for both jet and lepton reconstruction. These improvements in object reconstruction performance translate into sensitivity gains and enhance the reach of the ATLAS physics programme at the HL-LHC. In addition, the HGTD offers unique capabilities for the online and offline luminosity determination, an important requirement for precision physics measurements.
Origin : Files produced by the author(s)