NuSTECNeutrino Scattering Theory Experiment Collaboration

HEP-Theory/ExperimentNovember 2017

Jorge G. MorfínFermilab

NuSTEC Web Page http://nustec.fnal.gov

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NuSTEC: MembershipConsidering to add 2 theorists and 2 experimentalists – 1 theorist stepping back

◆ THEORISTS◆ Luis Alvarez Ruso (co-spokesperson) ◆ Sajjad Athar◆ Maria Barbaro◆ Omar Benhar◆ Richard Hill◆ Patrick Huber◆ Natalie Jachowicz◆ Andreas Kronfeld◆ Marco Martini ◆ Toru Sato ◆ Rocco Schiavilla◆ Jan Sobczyk (nuWRO)

◆ EXPERIMENTALISTS◆ Sara Bolognesi◆ (Steve Brice) ◆ Raquel Castillo

◆ Dan Cherdack◆ Steve Dytman (GENIE) ◆ Andy Furmanski◆ Yoshinari Hayato (NEUT) ◆ Teppei Katori◆ Kendall Mahn◆ Camillo Mariani◆ Jorge G. Morfín (co-spokesperson) ◆ (Ornella Palamara) ◆ Jon Paley◆ Roberto Petti ◆ Gabe Perdue (GENIE) ◆ Federico Sanchez ◆ (Sam Zeller)

( ) indicates advisor

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NuSTEC White PaperarXiv:1706.03621 [hep-ph] - to be published.

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DRAFT

NuSTEC White Paper: Status and Challenges of Neutrino-Nucleus

Scattering

L. Alvarez-Ruso,1 M. Sajjad Athar,2 M.B. Barbaro,3 D. Cherdack,4 M.E.Christy,5 P. Coloma,6

T.W. Donnelly,7 S. Dytman,8 R. J. Hill,9, 10, 6 P. Huber,11 N. Jachowicz,12 T. Katori,13

A. S. Kronfeld,6 K. Mahn,14 M. Martini,15 J. G. Morfın,6 J. Nieves,16 G. Perdue,6

R. Petti,17 D. G. Richards,18 F. Sanchez,19 T. Sato,20 J. T. Sobczyk,21 and G. P. Zeller6

1Instituto de Fısica Corpuscular (IFIC)2Department of Physics, Aligarh Muslim University Aligarh-202 002, India

3Dipartimento di Fisica, Universita di Torino and INFN,Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy

4Colorado State University, Department of Physics, Fort Collins, CO 80523, USA5Department of Physics, Hampton University, Hampton, Virginia, 23668 USA

6Fermi National Accelerator Laboratory, Batavia, IL 60510, USA7Center for Theoretical Physics, Laboratory for Nuclear Science and Department of Physics,

Massachusetts Institute of Technology, Cambridge, MA 02139, USA8University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh PA 15260, USA

9Perimeter Institute for Theoretical Physics, Waterloo, ON, N2L 2Y5 Canada10TRIUMF, Vancouver, BC, V6T 2A3 Canada

11Center of Neutrino Physics, Virginia Tech, Blacksburg, VA 24061, USA12Ghent University, Department of Physics and Astronomy,

Proeftuinstraat 86, B-9000 Gent, Belgium13Queen Mary University of London, London, UK

14Michigan State University, Department of Physics and Astronomy, East Lansing, MI 48824, USA15IRFU Saclay, Saclay, Paris, France

16Instituto de Fisica Corpuscular (IFIC),Centro Mixto Universidad de Valencia-CSIC,

Institutos de Investigacion de Paterna, E-46071 Valencia, Spain17Department of Physics and Astronomy,

University of South Carolina, Columbia SC 29208, USA18Je↵erson Laboratory, 12000 Je↵erson Avenue, Newport News, VA 23606, USA

19IFAE Barcelona Institute Science and Technology, Barcelona, Spain20Department of Physics, Osaka University,

Toyonaka, Osaka 560-0043, Japan; kJ-PARC Branch,KEK Theory Center, KEK, Tokai, 319-1106, Japan

21Institute of Theoretical Physics, University of Wroclaw,pl. M. Borna 9, 50-204, Wroclaw, Poland

(Dated: March 3, 2017)

CONTENTS1

I. Executive Summary 42

II. Overview of the Current Challenges in the Theoretical and Experimental Studies of3

Neutrino Nucleon/Nucleus Interaction Physics 44

A. Introduction - General Challenges 45

B. The Measurement of Neutrino Oscillation Parameters and Neutrino Nucleus6

Interaction Physics 67

C. Quasielastic Peak Region 68

D. Delta Resonance Peak Region. Contribution from Heavier Resonances 79

E. Shallow and Deep-Inelastic Scattering Region VIII 810

F. Coherent Meson Production IX 911

G. Generators 912

III. The Impact of Neutrino Nucleus Interaction Physics on Oscillation Physics Analyses 1113

FERMILAB-PUB-17-195-ND-TINT-PUB-17-020

NuSTEC

aWhite Paper: Status and Challenges of

Neutrino-Nucleus Scattering

L. Alvarez-Ruso,1 M. Sajjad Athar,2 M. B. Barbaro,3 D. Cherdack,4 M. E. Christy,5 P. Coloma,6

T. W. Donnelly,7 S. Dytman,8 A. de Gouvea,9 R. J. Hill,10, 6 P. Huber,11 N. Jachowicz,12

T. Katori,13 A. S. Kronfeld,6 K. Mahn,14 M. Martini,15 J. G. Morfın,6 J. Nieves,1 G. Perdue,6

R. Petti,16 D. G. Richards,17 F. Sanchez,18 T. Sato,19, 20 J. T. Sobczyk,21 and G. P. Zeller6

1Instituto de Fısica Corpuscular (IFIC), Centro MixtoCSIC-Universidad de Valencia, E-46071 Valencia, Spain

2Department of Physics, Aligarh Muslim University, Aligarh-202 002, India3Dipartimento di Fisica, Universita di Torino and INFN, Sezione di Torino, 10125 Torino, Italy

4Department of Physics, Colorado State University, Fort Collins, CO 80523, USA5Department of Physics, Hampton University, Hampton, Virginia, 23668 USA

6Fermi National Accelerator Laboratory, Batavia, IL 60510, USA7Center for Theoretical Physics, Laboratory for Nuclear Science, and Department of Physics,

Massachusetts Institute of Technology, Cambridge, MA 02139, USA8Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh PA 15260, USA

9Northwestern University, Evanston, IL 60208, USA10Perimeter Institute for Theoretical Physics, Waterloo, ON, N2L 2Y5 Canada

11Center of Neutrino Physics, Virginia Tech, Blacksburg, VA 24061, USA12Department of Physics and Astronomy,Ghent University, B-9000 Gent, Belgium

13Queen Mary University of London, London, UK14Department of Physics and Astronomy,

Michigan State University, East Lansing, MI 48824, USA15ESNT, CEA, IRFU, Service de Physique Nucleaire,

Universite de Paris-Saclay, F-91191 Gif-sur-Yvette, France16Department of Physics and Astronomy,

University of South Carolina, Columbia SC 29208, USA17Je↵erson Laboratory, Newport News, VA 23606, USA

18IFAE, Barcelona Institute Science and Technology, Barcelona, Spain19Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan

20J-PARC Branch, KEK Theory Center, KEK, Tokai, 319-1106, Japan21Institute of Theoretical Physics, University of Wroc law, Wroc law, Poland

(Dated: June 16, 2017)

The precise measurement of neutrino properties is among the highest priorities in fundamentalparticle physics, involving many experiments worldwide. Since the experiments rely on the interac-tions of neutrinos with bound nucleons inside atomic nuclei, the planned advances in the scope andprecision of these experiments requires a commensurate e↵ort in the understanding and modelingof the hadronic and nuclear physics of these interactions, which is incorporated as a nuclear modelin neutrino event generators. This model is essential to every phase of experimental analyses andits theoretical uncertainties play an important role in interpreting every result.

In this White Paper we discuss in detail the impact of neutrino-nucleus interactions, especiallythe nuclear e↵ects, on the measurement of neutrino properties using the determination of oscillationparameters as a central example. After an Executive Summary and a concise Overview of theissues, we explain how the neutrino event generators work, what can be learned from electron-nucleus interactions and how each underlying physics process—from quasi-elastic to deep inelasticscattering—is understood today. We then emphasize how our understanding must improve to meetthe demands of future experiments. With every topic we find that the challenges can be met onlywith the active support and collaboration among specialists in strong interactions and electroweakphysics that include theorists and experimentalists from both the nuclear and high energy physicscommunities.

aNeutrino Scattering Theory Experiment Collaboration http://nustec.fnal.gov

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Main Sections of the White Paper

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Executive Summary and Bring it Together.

Introduction and Overview of the Current Challenges.

The Impact of Neutrino Nucleus Interaction Physics on Oscillation Physics Analyses

Neutrino Event Generators

Electron-nucleus Scattering as input to neutrino scattering

Quasi-elastic, Quasi-elastic-like Scattering

Resonance Model

Shallow Inelastic Scattering and Deep Inelastic Scattering

Coherent and Diffractive Scattering

2nd Extended NuSTEC School on Neutrino Nucleus Scattering Physics7 – 15 November 2017 at Fermilab

http://nustec.fnal.gov/school2017/

◆ Had ≈ 55 paying students plus additional 10 – 15 “auditors”. ◆ Lectures available : https://indico.fnal.gov/event/15286/timetable/#20171116

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NuSTEC Training in

Neutrino Nucleus Scattering PhysicsFermilab, November 7-15, 2017

Topic Hours Lecturer

0 General introduction 1 TBA

1 Introduction to electroweak interactions on the nucleon 3 R. Hill

2 Introduction to neutrino-nucleus scattering 3 J. W. Van Orden

3 Strong and electroweak interactions in nuclei 3 S. Pastore

4.1 Approximate methods for nuclei (I) 2 A. Ankowski

4.2 Approximate methods for nuclei (II) 2 N. Jachowicz

4.3 Ab initio methods for nuclei 2 A. Lovato

5 Pion production and other inelastic channels 3 T. Sato

6 Description of exclusive channels and final state interactions 3 K. Gallmeister

7 Inclusive electron and neutrino scattering in the shallow and deep

inelastic regimes

3 J. Owens

8 Systematics in neutrino oscillation experiments 3 S. Bolognesi

9.1 Monte Carlo Methods and Event Generators 3 T. Golan

9.2 Nuisance 2 P. Stowell

Timetable

Time\Date 7 8 9 10 11 12 13 14 15

09:00-10:00 0 1 3 3 5 5 6 9.1

10:30-11:30 1 2 4.1 4.1 7 6 9.1 8

13:00-14:00 1 2 4.2 4.2 5 7 8 8

14:30-15:30 2 3 4.3 4.3 7 6 9.2 9.2

15:30-16:30 9.1

16:30-18:00 Recitation

The Practical Beauty of Neutrino-Nuclear Interactions G. Perdue

Upcoming - 2018 - NuSTEC Workshops

◆ INT Workshop on n – nucleon physics – R. Hill – June at INT Considerable community interest in a new high-statistics n – N experiment. What can (lattice-gauge) theory bring us?

◆ Shallow and Deep-Inelastic Scattering – October just before NuInt18 in ItalyThe community needs a probing look at SIS (Delta to DIS) and the DIS regions. Very important for DUNE.

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NuSTEC Board Meeting – Day 1

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Support

! nustec2017_org@fnal.gov

NuSTEC 2017 - REGISTRATION

7-17 November 2017FermilabUS/Central timezone

US/Central J. MorfiniCal export More

Overview

Timetable

Registration

Participant List

Accomodations

Registration Form

Fri 10/11 Sat 11/11 Sun 12/11 Mon 13/11 Tue 14/11 Wed 15/11 Thu 16/11 Fri 17/11

08:00

09:00

10:00

11:00

12:00

Dr. Luis ALVAREZ-RUSOReport on the NuSTEC School

08:30 - 09:00Fermilab

Richard HILLPlanning of the nu-H/D meeting

09:00 - 09:30DarkSide, Fermilab

Jorge G. MORFINPlanning of the nu-SIS/DIS meeting tied to NuInt18

09:30 - 09:45Fermilab

Dr. Minerba BETANCOURTHEP Theory Experiment collaboration

09:45 - 10:00Fermilab

Dr. Andreas KRONFELDReport on the winter workshop

10:00 - 10:15Fermilab

Coffee Break

10:15 - 10:35Fermilab

Dr. Natalie JACHOWICZPion Production Model

10:40 - 11:00Fermilab

Dr. Andrew FURMANSKINuSTEC and the Fermilab Short Baseline Program

11:00 - 11:20Fermilab

Prof. Roberto PETTINuSTEC and DUNE Preparations

11:20 - 11:40Fermilab

Prof. Camillo MARIANINews about the e-Argon experiment at JLab

11:40 - 12:00Fermilab

Dr. Teppei KATORIHadronization

12:00 - 12:20Fermilab

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NuSTEC Board Meeting – Day 2

9

Search

Support

! nustec2017_org@fnal.gov

NuSTEC 2017 - REGISTRATION

7-17 November 2017FermilabUS/Central timezone

US/Central J. MorfiniCal export More

Overview

Timetable

Registration

Participant List

Accomodations

Registration Form

Fri 10/11 Sat 11/11 Sun 12/11 Mon 13/11 Tue 14/11 Wed 15/11 Thu 16/11 Fri 17/11

08:00

09:00

10:00

11:00

12:00

NuSTEC endorsements

08:30 - 09:00Fermilab

Jorge G. MORFINPublishing the white paper

09:00 - 09:10Fermilab

Prioritizing the Challenges

09:10 - 09:30Fermilab

Dr. Sara BOLOGNESICERN neutrino platform

09:30 - 09:45Fermilab

New Board members

09:45 - 10:00Fermilab

Coffee Break

10:00 - 10:20Fermilab

Dr. MOHAMMAD SAJJAD ATHARNuclear Correction in the DIS region

10:20 - 10:40Fermilab

Jan SOBCZYKNuWro Update

10:40 - 11:00Fermilab

Prof. Maria Benedetta BARBAROSuSa and 2p2h Models

11:00 - 11:20Fermilab

Mr. Steven DYTMANGENIE Needs; Pion and DIS Models

11:20 - 11:40Fermilab

Prof. Rocco SCHIAVILLAAb initio calculations and synergies with JLab

11:40 - 12:00Fermilab

Dr. Sara BOLOGNESICEA experiment-theory collaboration plans

12:00 - 12:20Fermilab

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