15th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD19)

14 Oct 2019, 08:55 → 17 Oct 2019, 18:00 Europe/Zurich

Siena (Italy)

Andrea Perrotta (Universita e INFN, Bologna (IT)), Francesco Navarria (Universita e INFN, Bologna (IT)), Giovanna Lehmann Miotto (CERN), Marco Paganoni (Universita & INFN, Milano-Bicocca (IT)), Pier Simone Marrocchesi (Universita degli studi di Siena (IT)), Pietro Govoni (Universita & INFN, Milano-Bicocca (IT)), Tiziano Rovelli (Universita e INFN (IT))

The conference will focus on advanced technologies in particle physics at accelerator and collider experiments, and in cosmic ray and astrophysics experiments, including balloon-borne and space based experiments. Special attention will be devoted to the application of these detectors in other fields, such as detectors for medicine and biology, homeland security control, muontomography of archaeological and geophysical structures, and environmental monitoring. In addition to invited papers, contributed papers for oral presentation and posters are welcome. Abstracts should be sent to: perrotta@bo.infn.it Deadline for contributed abstracts: 10 July 2019. Acceptance of abstracts will be notified by 31 July 2019. Post-deadline contributions will also be considered and acceptance will be notified asap. Invited papers, accepted contributed papers and posters will be published. Papers to be published in the Conference Proceedings must be received by the Editors by 6 January 2020 31 January 2020.
Will be published in: JINST

IPRD2019_poster.jpg

Monday, 14 October

09:00 → 10:30 IPRD19: Opening

Convener: Chiara Nociforo (GSI)

09:00 Welcome address

Speaker: Francesco Navarria (Universita e INFN, Bologna (IT))

00_NavarriaWelcome.pdf

09:10 Optimisation of a silicon microstrip telescope for UA9 crystal channeling studies

Speaker: Geoff Hall (Imperial College (GB))

01_Hall.pdf

09:30 Detectors for antideuteron search in cosmic rays: current status and new ideas

Speaker: Francesco Dimiccoli (Universita degli Studi di Trento è INFN (IT))

02_Dimiccoli.pdf

09:50 Tracking detector for high performance cosmic muon imaging

Speaker: Dezso Varga (Hungarian Academy of Sciences (HU))

03_Varga.pdf

10:10 50 ps timing with SiGe Bi-CMOS monolithic pixel sensors

Speaker: Giuseppe Iacobucci (Universite de Geneve (CH))

04_Iacobucci.pdf

10:30 → 11:00 Coffee break

11:00 → 12:45 IPRD19: Muography

Convener: Francesco Navarria (Universita e INFN, Bologna (IT))

11:00 A portable muon telescope based on small and gas-tight Resistive Plat Chambers

Speaker: Samip Basnet (Louvain)

01_basnet_IPRD19_v2.pdf

11:15 Monitoring the long-term stability of civil buildings through the MRPC telescopes of the EEE Project

Speaker: Chiara Pinto (INFN and University of Catania)

02_Pinto.pdf

11:30 Muon radiography applied to volcanoes imaging: the MURAVES experiment at Mt. Vesuvius

Speaker: Mariaelena D'Errico (Universita e INFN, Napoli (IT))

03_DErrico.pdf

11:45 Development of Sealed MRPC with extremely low gas flow for muon tomography

Speaker: Xialong Chen (Tsinghua University)

04_XiaolongChen.pdf

12:05 Imaging by muons and their induced secondary particles – a novel technique

Speaker: Gabor Galgoczi (Hungarian Academy of Sciences (HU))

05_Galgoczi.pdf

12:25 Multidisciplinary applications of muon radiography using the MIMA detector

Speaker: Lorenzo Bonechi (Istituto Nazionale di Fisica Nucleare (INFN))

06_Bonechi.pdf

12:45 → 14:15 Lunch

14:15 → 16:00 IPRD19: Medical physics

Convener: Romualdo Santoro (CERN)

14:15 Positron Emission Tomography: alive and kicking after more than 65 years on stage

Speaker: alberto Del Guerra (University of Pisa)

01_DelGuerra.pdf

14:40 First characterization of a new Silicon Carbide detector for dosimetric applications

Speaker: Giada Petringa (LNS)

02_Petringa.pdf

15:00 Evaluation and Simulation of Breast Cancer Imaging Devices

Speaker: Dilber Uzun Ozsahin

03_Ozsahin.pdf

15:20 Two asymmetric detectors define a novel MBI system for the breast cancer imaging

Speaker: Gaetano Elio Poma (INFN - National Institute for Nuclear Physics)

04_Poma.pdf

15:40 Intercalibration and comparative tests of 3D diamond and diamond on iridium detectors for medical dosimetry

Speaker: Dr Keida Kanxheri (INFN - National Institute for Nuclear Physics)

05_Kanxheri.pdf

16:00 → 16:30 Tea break

16:30 → 18:50 IPRD19: Tracking

Convener: Geoff Hall (Imperial College (GB))

16:30 Explore the lifetime frontier with MATHUSLA

Speaker: Cristiano Alpigiani

01_Alpigiani.pdf

16:50 On MAPS-On-Diamond sensors and their potential as innovative devices

Speaker: Leonello Servoli (Universita e INFN, Perugia (IT))

02_Servoli.pdf

17:10 Pixelated Resistive Bulk Micromegas for tracking systems in High Rate environment

Speaker: Mariagrazia Alviggi (Universita e sezione INFN di Napoli (IT))

03_Alviggi.pdf

17:30 The CMS Outer Tracker Upgrade for the High Luminosity LHC upgrade

Speaker: Alessandro La Rosa (CERN)

04_LaRosa.pdf

17:45 The Upgrade of LHCb VELO

Speaker: Pawel Kopciewicz (AGH University of Science and Technology (PL))

05_Kopciewicz.pdf

18:05 Development of a 300 m fully-depleted monolithic active pixel sensor in standard 110 nm CMOS technology

Speaker: Raffaele Aaron Giampaolo (INFN - National Institute for Nuclear Physics)

06_Giampaolo.pdf

18:20 HVMUX, High Voltage Multiplexing biasing for the ATLAS Strip Tracker Upgrade

Speaker: Giullio villani (Rutherford Appleton Laboratory)

07_Villani.pdf

18:35 The CT-PPS tracking system: performance in LHC-Run2 and prospects for LHC-Run3

Speaker: Maria Margherita Obertino (Universita e INFN Torino (IT))

08_Obertino.pdf

19:30 → 21:30 Welcome Party

Tuesday, 15 October

09:00 → 10:30 IPRD19: Timing & Tracking

Convener: Marco Maggiora (Universita e INFN Torino (IT))

09:00 In-deep studies of time performance of the PICOSEC-Micromegas detector concept

Speaker: Lukas Sohl (Université Paris-Saclay (FR))

01_Sohl.pdf

09:18 Precision Timing with LYSO:Ce Crystals & SiPM Sensors in the CMS MTD Barrel Timing Layer

Speaker: Martina Malberti (Universita & INFN, Milano-Bicocca (IT))

02_Malberti.pdf

09:36 Precision Timing with Low Gain Avalanche Detectors in the CMS MTD Endcap Timing Layer

Speaker: Marco Costa (Universita e INFN Torino (IT))

03_Costa.pdf

09:54 The Micromegas chambers for the ATLAS New Small Wheel upgrade

Speaker: Dmitri Dedovich (Joint Institute for Nuclear Research (JINR))

04_Dedovich.pdf

10:12 Upgrade of the Resistive Plate Chamber detector for the high-background environments

Speaker: Luca Pizzimento (INFN e Universita Roma Tor Vergata (IT))

05_Pizzimento.pdf

10:30 → 11:00 Coffee break

11:00 → 12:45 IPRD19: Calorimetry

Convener: Martina Malberti (Universita & INFN, Milano-Bicocca (IT))

11:00 Upgrade of the CMS electromagnetic calorimeter for precision timing and energy measurement at the High Luminosity phase of the LHC

Speaker: Stefano Argiro (Universita di Torino and INFN (IT))

01_Argiro.pdf

11:20 Overview of latest developments in the CMS HGCAL upgrade project

Speaker: Maral Alyari (Fermi National Accelerator Lab. (US))

02_Alyari.pdf

11:40 Study of Future 3D Calorimetry Based on LYSO or LaBrCe Crystals for High Energy Precision Physics

Speaker: Patrick Schwendimann (PSI)

03_Schwendimann.pdf

11:55 A shashlyk Electromagnetic calorimeter system for NICA-MPD

Speaker: Yulei Li

04_YuleiLi.pdf

12:15 Electromagnetic Data Libraries: recent evolutions and new perspectives

Speaker: Maria Grazia Pia (INFN e Universita Genova (IT))

05_Pia.pdf

12:30 First results on the performance of the PADME electromagnetic calorimeter

Speaker: Gabriele Piperno

06_Piperno.pdf

12:45 → 14:15 Lunch

14:15 → 16:00 IPRD19: Muons

Convener: Michele Bianco (CERN)

14:15 Commissioning and testing of real-size triple GEM prototypes for CBM-MUCH in the mCBM experiment at SIS18 facility of GSI

Speaker: Ajit Kumar (Variable Energy Cyclotron Centre)

01_AjitKumar.pdf

14:30 Background in the CMS muon detectors: simulation and measure with pp collision data

Speaker: Daniele Fasanella (CERN)

02_Fasanella.pdf

14:50 Upgrade to the CMS Cathode-Strip-Muon System for the HL-LHC

Speaker: Nick Manganelli (University of California Riverside (US))

03_Manganelli.pdf

15:10 Study of the Effects of Radiation at the CERN Gamma Irradiation Facility on the CMS Drift Tubes Muon Detector for the HL-LHC

Speaker: Barbara Alvarez Gonzalez (Universidad de Oviedo (ES))

04_Alvarez.pdf

15:25 Advance studies performed on triple-GEM detector built using commercially manufactured foils

Speaker: Mohit Gola (University of Delhi (IN))

05_Mohit.pdf

15:40 Aging Studies of Triple-GEM detectors for future upgrades of the CMS endcap muon system at the HL-LHC

Speaker: Davide Fiorina (Universita and INFN (IT))

06_Fiorina.pdf

16:00 → 16:30 Tea break

16:30 → 18:50 IPRD19: Dark matter & ν0β2

Convener: Andrea Perrotta (Universita e INFN, Bologna (IT))

16:30 Developments of radiopure ZnWO4 anisotropic scintillators and improvements of their response at keV region

Speaker: Riccardo Cerulli

01_Cerulli.pdf

16:45 The cryogenic electronics for Dark Side SiPM readout

Speaker: Lucia Consiglio (INFN)

02_Consiglio.pdf

17:00 The BDX detector prototype for Dark Matter searches in a Beam Dump eXperiment @ JLAB

Speaker: Mariangela Bondi (INFN - National Institute for Nuclear Physics)

03_Bondi.pdf

17:15 KM3NeT electronics acquisition: the new version of the Central Logic Board and its related Power Board

Speaker: Federico Versari (University of Bologna)

04_Versari.pdf

17:30 Search for Light Dark Matter with NEWS-G

Speaker: Konstantinos Nikolopoulos (University of Birmingham (GB))

05_Nikolopoulos.pdf

17:50 Dark Matter in CCDs at Modane (DAMIC-M): a silicon detector apparatus searching for low-energy physics processes

Speaker: Steven Juhyung Lee (University of Zurich (CH))

06_JuhyungLee.pdf

18:10 PandaX-III: a high pressure Xenon detector for neutrinoless double beta decay search

Speaker: Shaobo WANG

07_ShaoboWang.pdf

18:30 CUPID: a new bolometric detector for rare events experiment

Speaker: Claudia Tomei (INFN - National Institute for Nuclear Physics)

08_Tomei.pdf

19:15 → 21:25 IPRD19: Poster session - Wine & Cheese

19:15 Final performances of the NA62 RICH detector

Speaker: Massimo Lenti (Universita e INFN, Firenze (IT))

Poster_Lenti_IPRD19.pdf

19:20 Beam-tests of CMS High Granularity Calorimeter prototypes at CERN

Speaker: Matteo Bonanomi (Centre National de la Recherche Scientifique (FR))

IPRD19_HGCAL_Bonanomi.pdf

19:25 The operational experience, challenges and performance of the ATLAS Semiconductor Tracker during LHC Run-2

Speaker: Fabian Sohns (Georg August Universitaet Goettingen (DE))

19:30 Design and Performance Evaluation of an Adjustable-FOV PET Scanner

Speaker: Ilker Ozsahin

19:35 Discharge mitigation strategies for CMS Triple-GEM detectors

Speaker: Francesco Ivone (Universita e INFN, Bari (IT))

19:40 Performance of the charged particle detectors of the PADME experiment

Speaker: Federica Oliva (INFN - National Institute for Nuclear Physics)

VetoPoster_FedericaOliva_IPRD2019_15Oct.pdf

19:45 Use of the Peak-Detector for gain calibration of the read-out ASIC CITIROC

Speaker: Domenico Impiombato (INAF)

19:50 Optical Transparent Ceramic Scintillators for High Performance Brain PET

Speaker: Ilker Ozsahin

19:55 Evolution of the design of Ultra Fast Silicon to cope with high irradiation fluences and fine segmentation

Speaker: Marco Ferrero (Universita e INFN Torino (IT))

Ferrero102019IPRD_poster.pdf

20:00 The NA62 GigaTracKer: a low mass high intensity beam 4D tracker with 65 ps time resolution on tracks

Speaker: Gian Luca Pinna Angioni (Universita e INFN Torino (IT))

20:05 Tracking with timing: the TIMESPOT project

Speaker: Roberto Mulargia (Universita e INFN Genova (IT))

Poster_Mulargia_TimeSPOT.pdf

20:10 Vertex and Tracking Detector R&D for CLIC

Speaker: Morag Jean Williams (University of Glasgow (GB))

IPRD_MoragWilliams.pdf

20:15 The laser diode calibration system of the Icarus T600 detector at FNAL

Speaker: Maurizio Bonesini (Universita & INFN, Milano-Bicocca (IT))

20:20 A UV laser test bench for gaseous detectors

Speaker: Antonello Pellecchia (University of Bari)

A UV laser test bench for MPGD - Pellecchia.pdf

20:25 The performance of the diamond active target of the PADME experiment

Speaker: Isabella Oceano (Lecce)

OceanoPosterSiena2019.pdf

20:30 Kilovoltage rotational breast radiotheraphy with the BriXS source

Speaker: Antonio Sarno (Napoli)

20:35 The DUNE Dual-Phase liquid argon TPC

Speaker: Etienne Chardonnet (Centre National de la Recherche Scientifique (FR))

20:40 TCAD Silicon device simulation for high level of radiation damage

Speaker: Shubhi Parolia (INFN Sezione di Pisa, Universita' e Scuola Normale Superiore, P)

20:45 Imaging performance dependence on crystal absorption properties: the CRY018 and CRY019 comparison

Speaker: Rita Falconi (Roma1)

Poster_IPRD19_Siena_Falconi.pdf

20:50 The Upgrade II of LHCb VELO

Speaker: Pawel Kopciewicz (AGH University of Science and Technology (PL))

20:55 Innovative amplifiers for muon spectroscopy experiments at RAL

Speaker: Massimo Rossella (Universita and INFN (IT))

21:00 Characterisation of a prototype light detection system with a radioactive 241Am alpha source in Liquid Argon at the CERN test facility

Speaker: Gian Luca Raselli (Universita and INFN (IT))

Poster_Raselli.pdf

21:05 Development of a Simulation Framework for Spherical Proportional Counter

Speaker: Robert James Ward (University of Birmingham (GB))

RW_IPRD19_poster.pdf

21:10 Comparison between photon detection efficiency and TPB coating stability of PMTs immersed in liquid argon

Speaker: Danaisis Vargas (Universitat Autonoma de Barcelona (ES))

Poster_IPRD_Vargas.pdf

Wednesday, 16 October

09:00 → 10:40 IPRD19: Radiation hardness

Convener: Giullio villani (Rutherford Appleton Laboratory)

09:00 Modeling Radiation Damage to Pixel Sensors in the ATLAS Detector

Speaker: Tommaso Lari (University and INFN, Milano)

01_Lari.pdf

09:15 Performances of highly irradiated 3D and planar pixel sensors interconnected to RD53A readout chip

Speaker: Rudy Ceccarelli (Universita e INFN, Firenze (IT))

02_Ceccarelli.pdf

09:30 Evaluation of the counting efficiency of a pcCVD diamond detector irradiated by 62 MeV/u carbon beams

Speaker: Fabio Schirru (GSI, Darmstadt)

03_Schirru.pdf

09:50 Radiation induced degradation in a 150‐nm CMOS SPADs device

Speaker: marcello campajola (INFN and University of Naples "Federico II")

04_Campaiola.pdf

10:05 Neutron Damage of ATLAS Endcap alignment CCDS

Speaker: Camila Pazos (Brandeis University (US))

05_Pazos.pdf

10:20 Cerium-doped Fused-Silica Fibers for Particle Physics Detectors

Speaker: Federico De Guio (Texas Tech University)

06_DeGuio.pdf

10:40 → 11:10 Coffee break

11:10 → 13:00 IPRD19: Neutrinos & CLFV

Convener: Claudia Tomei (INFN - National Institute for Nuclear Physics)

11:10 ArgonCube: scalable modular approach for large LArTPCs

Speaker: Igor Kreslo (Universitaet Bern (CH))

01_Kreslo.pdf

11:30 The ICARUS T600 detector as far detector within SBN program

Speaker: Milind Vaman Diwan (Brookhaven National Laboratory (US))

02_Diwan.pdf

11:50 A comparison between scintillation light analog and digital trigger for large volume Liquid Argon Time Projection Chambers

Speaker: Gian Luca Raselli (Universita and INFN (IT))

03_Raselli.pdf

12:05 LiquidO: Novel Opaque Neutrino Detection Technology

Speaker: Stefano Dusini (INFN Padova)

04_Dusini.pdf

12:25 Decay tunnel instrumentation for the ENUBET neutrino beam

Speaker: Valerio Mascagna (Universita & INFN, Milano-Bicocca (IT))

05_Mascagna.pdf

12:40 The Detectors of the Mu2e Experiment

Speaker: Simona Giovannella (Laboratori Nazionali di Frascati (LNF))

06_Giovannella.pdf

13:00 → 14:30 Lunch

14:30 → 16:00 IPRD19: n, X and IR detectors

Convener: Massimo Lenti (Universita e INFN, Firenze (IT))

14:30 Qualification of a compact neutron detector based on SiPM

Speaker: Romualdo Santoro (CERN)

01_Santoro.pdf

14:50 Development of gamma insensitive Silicon Carbide diagnostics to qualify intense thermal neutron fields

Speaker: Oriol Sans Planell (Universita e INFN Torino (IT))

02_SansPlanell.pdf

15:10 LaBr3:Ce crystals with SiPM array readout and temperature control for the FAMU experiment at RAL

Speaker: Maurizio Bonesini (Universita & INFN, Milano-Bicocca (IT))

03_Bonesini.pdf

15:25 Use of Silicon Photomultiplier to directly detect X-ray

Speaker: Emanuele Fiandrini (Universita e INFN, Perugia (IT))

04_Fiandrini.pdf

15:45 Laboratory tests for MIR light detection and transport with specialty optical fibers

Speaker: Roberto Benocci (Milano Bicocca)

05_Benocci.pdf

16:00 → 16:30 Tea break

16:30 → 18:40 IPRD19: Sponsors and Astroparticle

Convener: Pier Simone Marrocchesi (Universita degli studi di Siena (IT))

16:30 New CAEN R&D for power supplies and data acquisition systems

Speaker: Dr Ferdinando Giordano

01_CAEN.pdf

16:50 Reliability studies for the Switching Core Board of the White Rabbit Switch: FIDES and Highly Accelerated test

Speaker: Paolo Musico (INFN e Universita Genova (IT))

02_Musico.pdf

17:10 New ideas on possible detectors for Dark Matter

Speaker: Marco Guarise (Universita e INFN, Ferrara (IT))

03_Guarise.pdf

17:25 JUNO detector design and construction

Speaker: Paolo Lombardi (INFN Milano)

04_Lombardi.pdf

17:45 The Gas Pixel Detector for the IXPE mission

Speaker: Alberto Manfreda (INFN Pisa)

05_Manfreda.pdf

18:00 HAWC’s-Eye a novel Imaging Atmospheric Telescope

Speaker: Jose Ruben Alfaro Molina (Universidad Nacional Autonoma (MX))

06_Alfaro.pdf

18:20 Beam tests of a prototype of the Radiation Hard Electron Monitor to be flown in the JUICE mission

Speaker: Marco Pinto (LIP)

07_MPinto.pdf

20:30 → 22:30 Conference dinner

Thursday, 17 October

09:00 → 10:30 IPRD19: Timing and tracking

Convener: Maria Margherita Obertino (Universita e INFN Torino (IT))

09:00 Digitized Waveform Signal Processing for Fast Timing

Speaker: Dr Sebastian White (University of Virginia (US))

01_White_UpdOct21.pdf

09:18 The CMS Precision Proton Spectrometer timing system: performance in Run 2, future upgrades and sensor radiation hardness studies

Speaker: Edoardo Bossini (CERN & INFN-Pisa (IT))

02_Bossini.pdf

09:36 Hydrogenated amorphous silicon dectectors for particle detection, beam flux monitoring and dosimetry in high-dose radiation environment

Speaker: Mauro Menichelli (Universita e INFN, Perugia (IT))

03_Menichelli.pdf

09:54 Low energy nuclei detection with ALPIDE detector

Speaker: Ester Ricci (Universita degli Studi di Trento and INFN (IT))

04_Ricci.pdf

10:12 A multichannel front-end readout ASIC for high flux and high time resolution applications with UFSD

Speaker: Elias Jonhatan Olave (Universita e INFN Torino (IT))

05_Olave.pdf

10:30 → 11:00 Coffee break

11:00 → 12:45 IPRD19: Medical physics & selected posters

Convener: Marco Paganoni (Universita & INFN, Milano-Bicocca (IT))

11:00 A novel approach for lateral dose profile reconstruction with a scintillator-based system

01_Ruhani.pdf

11:15 Dosimetric approaches for flash radiotherapy beams

Speaker: Pablo Cirrone

02_Cirrone.pdf

11:35 First Prototype of a Solid-State Imaging Probe for Radio-Guided Surgery

Speaker: Arta Sulaj (Universita degli studi di Siena (IT))

03_Sulaj.pdf

11:55 Characterization of monolithic GAGG:Ce for gamma imaging in Nuclear Medicine

Speaker: Marco Bettiol (Universita di Roma I "La Sapienza"-Universita & INFN, Roma I-Unk)

04_Bettiol.pdf

12:15 Performance of the charged particle detectors of the PADME experiment

Speaker: Federica Oliva (INFN - National Institute for Nuclear Physics)

05_Oliva.pdf

12:27 Beam-tests of CMS High Granularity Calorimeter prototypes at CERN

Speaker: Matteo Bonanomi (Centre National de la Recherche Scientifique (FR))

06_Bonanomi.pdf

12:45 → 14:15 Lunch

14:15 → 15:45 IPRD19: Muons, GEM, RPC

Convener: Dezso Varga (Hungarian Academy of Sciences (HU))

14:15 Upgrade of the CMS Muon Spectrometer in the forward region with the GEM technology

Speaker: Michele Bianco (CERN)

01_MBianco.pdf

14:35 Study of high time resolution MRPC with the waveform digitizer system

Speaker: Yancheng Yu (Tsinghua University (CN))

02_YanchengYu.pdf

14:55 Find eco-gas mixtures for a coupled readout MRPC

03_BotanWang.pdf

15:10 Performance studies of RPC detectors with new environmentally friendly gas mixtures in presence of LHC-like radiation background

Speaker: Gianluca Rigoletti (Universite Claude Bernard Lyon I (FR))

04_Grigoletti.pdf

15:30 R&D studies on tetrafluoropropene-based gas mixtures with low environmental impact for Resistive Plate Chambers

Speaker: Antonio Bianchi (Universita e INFN Torino (IT))

05_ABianchi.pdf

15:45 → 16:15 Tea break

16:15 → 17:25 IPRD19: Closing

Convener: Walter Scandale (CERN)

16:15 Pure machine-learning analysis of the response of a plastic scintillator to charged particles

Speaker: Francesco Maria Follega (Universita degli Studi di Trento and INFN (IT))

01_Follega.pdf

16:35 The ATLAS Hardware Track Trigger design towards first prototypes

Speaker: Alex Christopher Martyniuk (University of Victoria (CA))

02_Martyniuk.pdf

16:55 NA62 data acquisition upgrade

Speaker: Marco Boretto (Universita e INFN Torino (IT))

03_Boretto.pdf

17:15 concluding remarks

Speaker: Andrea Perrotta (Universita e INFN, Bologna (IT))

04_PerrottaFarewell.pdf