NFDI4DS | UHH-SEMS - Publication Details

A. Norton

ORCID: 0000-0001-5959-5879

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A5077666067

Research Areas

Particle physics theoretical and experimental studies
Quantum Chromodynamics and Particle Interactions
High-Energy Particle Collisions Research
Dark Matter and Cosmic Phenomena
Particle Detector Development and Performance
Neutrino Physics Research
Particle Accelerators and Free-Electron Lasers
Computational Physics and Python Applications
Asphalt Pavement Performance Evaluation
Astrophysics and Cosmic Phenomena
Atomic and Subatomic Physics Research
Cosmology and Gravitation Theories
Medical Imaging Techniques and Applications
Superconducting Materials and Applications
Infrastructure Maintenance and Monitoring
Nuclear physics research studies
Radiation Detection and Scintillator Technologies
Particle accelerators and beam dynamics
Black Holes and Theoretical Physics
Distributed and Parallel Computing Systems
Nuclear reactor physics and engineering
Advanced Data Storage Technologies
Smart Materials for Construction
Engineering and Material Science Research
Concrete and Cement Materials Research

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2024

Roma Tre University
2024

University of Glasgow
2023-2024

Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara
2017-2023

UCLouvain
2022

Joint Institute for Nuclear Research
2007-2020

European Organization for Nuclear Research
2007-2018

Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
2016-2018

University of Pisa
2018

Johannes Gutenberg University Mainz
2016-2017

Experimental observation of isolated large transverse energy electrons with associated missing energy at

OPENALEX - Publications

G.T.J. Arnison A. Astbury B. Aubert C. Bacci G. Bauer and 95 more

10.1016/0370-2693(83)91177-2 article EN Physics Letters B 1983-02-01

Search for the dark photon inπ0decays

OPENALEX - Publications

J. R. Batley G. Kalmus C. Lazzeroni D.J. Munday M. Slater and 95 more

A sample of 1.69×107 fully reconstructed π0→γe+e− decay candidates collected by the NA48/2 experiment at CERN in 2003–2004 is analyzed to search for dark photon (A′) production π0→γA′ followed prompt A′→e+e− decay. No signal observed, and an exclusion region plane mass mA′ mixing parameter ε2 established. The obtained upper limits on are more stringent than previous range 9MeV/c2<mA′<70MeV/c2. sensitivity K±→π±A′ also evaluated.

10.1016/j.physletb.2015.04.068 article EN cc-by Physics Letters B 2015-05-05

The beam and detector of the NA62 experiment at CERN

OPENALEX - Publications

E. Cortina E. Martin E. Minucci G. Nüßle S. Padolski and 95 more

NA62 is a fixed-target experiment at the CERN SPS dedicated to measurements of rare kaon decays. Such measurements, like branching fraction K+ → π+ ν decay, have potential bring significant insights into new physics processes when comparison made with precise theoretical predictions. For this purpose, innovative techniques been developed, in particular, domain low-mass tracking devices. Detector construction spanned several years from 2009 2014. The collaboration started detector...

10.1088/1748-0221/12/05/p05025 article EN cc-by Journal of Instrumentation 2017-05-31

Measurement of the very rare K+ → $$ {\pi}^{+}\nu \overline{\nu} $$ decay

OPENALEX - Publications

E. Cortina A. Kleimenova E. Minucci S. Padolski P. Petrov and 95 more

A bstract The NA62 experiment reports the branching ratio measurement $$ \mathrm{BR}\left({K}^{+}\to {\pi}^{+}\nu \overline{\nu}\right)=\left({10.6}_{-3.4}^{+4.0}\left|{}_{\mathrm{stat}}\right.\pm {0.9}_{\mathrm{syst}}\right)\times {10}^{-11} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>BR</mml:mi> <mml:mfenced> <mml:mrow> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>→</mml:mo> <mml:mi>π</mml:mi> <mml:mi>ν</mml:mi> <mml:mover> <mml:mo>¯</mml:mo>...

10.1007/jhep06(2021)093 article EN cc-by Journal of High Energy Physics 2021-06-01

A new measurement of direct CP violation in two pion decays of the neutral kaon

OPENALEX - Publications

Viviana Fanti A. Lai D. Marras L. Musa A. J. Bevan and 95 more

10.1016/s0370-2693(99)01030-8 article EN Physics Letters B 1999-10-01

A precision measurement of direct CP violation in the decay of neutral kaons into two pions

OPENALEX - Publications

J. R. Batley R.S. Dosanjh T. Gershon G. Kalmus C. Lazzeroni and 95 more

The direct CP violation parameter Re(epsilon'/epsilon) has been measured from the decay rates of neutral kaons into two pions using NA48 detector at CERN SPS. 2001 running period was devoted to collecting additional data under varied conditions compared earlier years (1997-99). new yield result: = (13.7 +/- 3.1) times 10^{-4}. Combining this result with that published 1997, 98 and 99 data, an overall value (14.7 2.2) 10^{-4} is obtained experiment.

10.1016/s0370-2693(02)02476-0 article EN cc-by Physics Letters B 2002-09-01

Experimental observation of events with large missing transverse energy accompanied by a jet or a photon (S) in p collisions at

OPENALEX - Publications

G.T.J. Arnison O. C. Allkofer A. Astbury B. Aubert C. Bacci and 95 more

10.1016/0370-2693(84)90046-7 article EN Physics Letters B 1984-05-01

Further evidence for charged intermediate vector bosons at the SPS collider

OPENALEX - Publications

G.T.J. Arnison A. Astbury B. Aubert C. Bacci G. Bauer and 95 more

10.1016/0370-2693(83)90860-2 article EN Physics Letters B 1983-09-01

A study to determine the degree of partial blending of reclaimed asphalt pavement (RAP) binder for high RAP hot mix asphalt

OPENALEX - Publications

Prashant Shirodkar Yusuf Mehta Aaron Nolan Khyati Sonpal A. Norton and 4 more

10.1016/j.conbuildmat.2010.06.045 article EN Construction and Building Materials 2010-07-14

Associated production of an isolated, large-transverse-momentum lepton (electron or muon), and two jets at the CERN p collider

OPENALEX - Publications

G.T.J. Arnison O. C. Allkofer A. Astbury B. Aubert C. Bacci and 95 more

10.1016/0370-2693(84)91410-2 article EN Physics Letters B 1984-11-01

The beam and detector for the NA48 neutral kaon CP violation experiment at CERN

OPENALEX - Publications

Viviana Fanti A. Lai D. Marras L. Musa A. Nappi and 95 more

10.1016/j.nima.2007.01.178 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2007-03-06

Observation of jets in high transverse energy events at the CERN proton antiproton collider

OPENALEX - Publications

G.T.J. Arnison A. Astbury B. Aubert C. Bacci R. Bernabei and 95 more

10.1016/0370-2693(83)90970-x article EN Physics Letters B 1983-03-01

Search for heavy neutral lepton production in K+ decays

OPENALEX - Publications

E. Cortina E. Minucci S. Padolski P. Petrov B. Velghe and 95 more

A search for heavy neutral lepton production in $K^+$ decays using a data sample collected with minimum bias trigger by the NA62 experiment at CERN 2015 is reported. Upper limits $10^{-7}$ to $10^{-6}$ level are established on elements of extended neutrino mixing matrix $|U_{\ell 4}|^2$ ($\ell=e,\mu$) mass range $170-448~{\rm MeV}/c^2$. This improves results from previous searches decays, setting more stringent and extending range.

10.1016/j.physletb.2018.01.031 article EN cc-by Physics Letters B 2018-01-28

Search for heavy neutral lepton production in K+ decays to positrons

OPENALEX - Publications

E. Cortina A. Kleimenova E. Minucci S. Padolski Plamen Petrov and 95 more

A search for heavy neutral lepton (N) production in K+→e+N decays using the data sample collected by NA62 experiment at CERN 2017–2018 is reported. Upper limits of extended neutrino mixing matrix element |Ue4|2 are established level 10−9 over most accessible mass range 144–462 MeV/c2, with assumption that lifetime exceeds 50 ns. These improve significantly upon those previous and decay searches. The favoured Big Bang Nucleosynthesis excluded up to a about 340 MeV/c2.

10.1016/j.physletb.2020.135599 article EN cc-by Physics Letters B 2020-07-02

Search for K+ decays to a muon and invisible particles

OPENALEX - Publications

E. Cortina A. Kleimenova E. Minucci S. Padolski P. Petrov and 95 more

The NA62 experiment at CERN reports searches for $K^+\to\mu^+N$ and $K^+\to\mu^+\nu X$ decays, where $N$ $X$ are massive invisible particles, using the 2016-2018 data set. particle is assumed to be a heavy neutral lepton, results expressed as upper limits of ${\cal O}(10^{-8})$ neutrino mixing parameter $|U_{\mu4}|^2$ masses in range 200-384 MeV/$c^2$ lifetime exceeding 50 ns. considered scalar or vector hidden sector mediator decaying an final state, decay branching fraction 10-370 reported...

10.1016/j.physletb.2021.136259 article EN cc-by Physics Letters B 2021-03-30

Hadronic jet production at the CERN proton-antiproton collider

OPENALEX - Publications

G.T.J. Arnison A. Astbury B. Aubert C. Bacci G. Bauer and 95 more

10.1016/0370-2693(83)90254-x article EN Physics Letters B 1983-11-01

Observation of jet structure in high pT events at the ISR and the importance of parton transverse momentum

OPENALEX - Publications

Michel Della Negra D. Drijard Hubertus Fischer G. Fontaine H. Freshse and 19 more

10.1016/0550-3213(77)90349-2 article EN Nuclear Physics B 1977-08-01

Observation of a cusp-like structure in the π0π0 invariant mass distribution from K±→π<mml:mo…

OPENALEX - Publications

J. R. Batley C. Lazzeroni D.J. Munday M. Slater S. A. Wotton and 95 more

We report the results from a study of ~23 Million K+- ==> pi+- pizero decays recorded by NA48/2 experiment at CERN SPS, showing an anomaly in invariant mass distribution region around 2m+, where m+ is charged pion mass. This anomaly, never observed previous experiments, can be interpreted as effect due mainly to final state charge exchange scattering process pi+ pi- decay. It provides precise determination a0 - a2, difference between pi-pi lengths isospin I=0 and I=2 states.

10.1016/j.physletb.2005.11.087 article EN cc-by Physics Letters B 2005-12-15

Angular distributions and structure functions from two-jet events at the CERN SPS collider

OPENALEX - Publications

G.T.J. Arnison A. Astbury B. Aubert C. Bacci G. Bauer and 95 more

10.1016/0370-2693(84)91164-x article EN Physics Letters B 1984-03-01

Precise tests of low energy QCD from $\mbox {$\mathrm {K}_{\mathrm {e}4}$}$ decay properties

OPENALEX - Publications

J. R. Batley G. Kalmus C. Lazzeroni D.J. Munday M. Slater and 95 more

We report results from the analysis of $\mbox {$\mathrm {K}^{\pm}$}\rightarrow \pi^{+} \pi^{-} \mathrm{e}^{\pm} \nu$ ( {K}_{\mathrm {e}4}$}$ ) decay by NA48/2 collaboration at CERN SPS, based on total statistics 1.13 million decays collected in 2003–2004. The hadronic form factors S- and P-wave their variation with energy are obtained. phase difference between states ππ system is accurately measured allows a precise determination {$a_{0}^{0}$}$ {$a_{0}^{2}$}$ , I = 0 2 S-wave scattering...

10.1140/epjc/s10052-010-1480-6 article EN cc-by-nc The European Physical Journal C 2010-11-05

New high statistics measurement of Ke4 decay form factors and ππ scattering phase shifts

OPENALEX - Publications

J. R. Batley A. J. Culling G. Kalmus C. Lazzeroni D.J. Munday and 95 more

We report results from a new measurement of the Ke4 decay K±→π+π-e±ν by NA48/2 collaboration at CERN SPS, based on partial sample more than 670 000 decays in both charged modes collected 2003. The form factors hadronic current (F,G,H) and ππ phase difference (δ=δs-δp) have been measured ten independent bins mass spectrum to investigate their variation. A sizeable acceptance large mass, low background very good resolution contribute an improved experimental accuracy, factor two better...

10.1140/epjc/s10052-008-0547-0 article EN cc-by-nc The European Physical Journal C 2008-02-18

Elastic and total cross section measurement at the CERN proton-antiproton collider

OPENALEX - Publications

G.T.J. Arnison A. Astbury B. Aubert C. Bacci G. Bauer and 95 more

10.1016/0370-2693(83)90271-x article EN Physics Letters B 1983-09-01

First search for K+→π+νν¯</mml:…

OPENALEX - Publications

E. Cortina E. Minucci S. Padolski P. Petrov B. Velghe and 95 more

The NA62 experiment at the CERN SPS reports first search for $K^+ \rightarrow \pi^+ \nu \bar{\nu}$ using decay-in-flight technique, based on a sample of $1.21\times10^{11}$ $K^+$ decays collected in 2016. single event sensitivity is $3.15\times 10^{-10}$, corresponding to 0.267 Standard Model events. One signal candidate observed while expected background 0.152 This leads an upper limit $14 \times 10^{-10}$ branching ratio 95\% CL.

10.1016/j.physletb.2019.01.067 article EN cc-by Physics Letters B 2019-02-23

Search for π0 decays to invisible particles

OPENALEX - Publications

E. Cortina A. Kleimenova E. Minucci S. Padolski P. Petrov and 95 more

A bstract The NA62 experiment at the CERN SPS reports a study of sample 4 × 10 9 tagged π 0 mesons from K + → ( γ ), searching for decay to invisible particles. No signal is observed in excess expected background fluctuations. An upper limit . − set on branching ratio 90% confidence level, improving previous results by factor 60. This result can also be interpreted as model- independent X , where particle escaping detection with mass range 0.110–0.155 GeV /c 2 and rest lifetime greater than...

10.1007/jhep02(2021)201 article EN cc-by Journal of High Energy Physics 2021-02-01

Measurement of the K+ → π+γγ decay

OPENALEX - Publications

E. Cortina A. Kleimenova E. Minucci S. Padolski P. Petrov and 95 more

A sample of 3984 candidates the K+→π+γγ decay, with an estimated background 291±14 events, was collected by NA62 experiment at CERN during 2017–2018. In order to describe observed di-photon mass spectrum, next-to-leading contribution in chiral perturbation theory found be necessary. The decay branching ratio full kinematic range is measured (9.61±0.17)×10−7. first search for production and prompt axion-like particle gluon coupling process K+→π+a, a→γγ also reported.

10.1016/j.physletb.2024.138513 article EN cc-by Physics Letters B 2024-02-07

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