Publications (163)
Why the Real Part of the Proton-Proton Forward Scattering Amplitude Should be Measured at the LHC
C. Bourrely, N. N. Khuri, A. Martin +2
For the energy of 14 TeV, to be reached at the Large Hadron Collider (LHC), we have had for some time accurate predictions for both the real and imaginary parts of the forward prot…
Bound States in one and two Spatial Dimensions
K. Chadan, N. N. Khuri, A. Martin +1
In this paper we study the number of bound states for potentials in one and two spatial dimensions. We first show that in addition to the well-known fact that an arbitrarily weak a…
Double production in pion-nucleon scattering at COMPASS
G. D. Alexeev, M. G. Alexeev, A. Amoroso +191
We present the study of the production of double mesons using COMPASS data collected with a 190 GeV/ beam scattering off NH, Al and W targets. Kinematic dist…
Measurement of -weighted Sivers asymmetries in leptoproduction of hadrons
M. G. Alexeev, G. D. Alexeev, A. Amoroso +209
The transverse spin asymmetries measured in semi-inclusive leptoproduction of hadrons, when weighted with the hadron transverse momentum , allow for the extraction of importan…
History of Spin and Statistics
A. Martin
These lectures were given in the framework of the ``Dixième séminaire rhodanien de physique'' entitled ``Le spin en physique'', given at Villa Gualino, Turin, March 2002. We have…
The exotic meson with and its decay into
M. G. Alexeev, G. D. Alexeev, A. Amoroso +192
We study the spin-exotic amplitude in single-diffractive dissociation of 190 GeV pions into using a hydrogen target and confirm the $Ï_1(1600)…
A high-statistics measurement of transverse spin effects in dihadron production from muon-proton semi-inclusive deep-inelastic scattering
C. Adolph, R. Akhunzyanov, M. G. Alekseev +217
A measurement of the azimuthal asymmetry in dihadron production in deep-inelastic scattering of muons on transversely polarised proton (NH) targets are presented. They provid…
Revealing Genuine Optical-Path Entanglement
F. Monteiro, V. Caprara Vivoli, T. Guerreiro +5
How can one detect entanglement between multiple optical paths sharing a single photon? We address this question by proposing a scalable protocol, which only uses local measurement…
Letter of Intent: A New QCD facility at the M2 beam line of the CERN SPS (COMPASS++/AMBER)
B. Adams, C. A. Aidala, R. Akhunzyanov +263
A New QCD facility at the M2 beam line of the CERN SPS COMPASS++/AMBER
The Spin Structure Function of the Proton and a Test of the Bjorken Sum Rule
C. Adolph, R. Akhunzyanov, M. G. Alexeev +203
New results for the double spin asymmetry and the proton longitudinal spin structure function are presented. They were obtained by the COMPASS collabora…
The MPGD-Based Photon Detectors for the upgrade of COMPASS RICH-1
J. Agarwala, M. Alexeev, C. D. R. Azevedo +25
After pioneering gaseous detectors of single photon for RICH applications using CsI solid state photocathodes in MWPCs within the RD26 collaboration and by the constructions for th…
Les Houches 2015: Physics at TeV colliders - new physics working group report
G. Brooijmans, C. Delaunay, A. Delgado +78
We present the activities of the 'New Physics' working group for the 'Physics at TeV Colliders' workshop (Les Houches, France, 1-19 June, 2015). Our report includes new physics stu…
MPGD-based photon detectors for the upgrade of COMPASS RICH-1 and beyond
J. Agarwala, M. Alexeev, C. D. R. Azevedo +28
COMPASS is a fixed target experiment at CERN SPS aimed to study hadron structure and spectroscopy. Hadron identification in the momentum range between and is provide…
Triangle Singularity as the Origin of the
G. D. Alexeev, M. G. Alexeev, A. Amoroso +194
The COMPASS experiment recently discovered a new isovector resonance-like signal with axial-vector quantum numbers, the , decaying to . With a mass too close…
Generalization of the Calogero-Cohn Bound on the Number of Bound States
K. Chadan, R. Kobayashi, A. Martin +1
It is shown that for the Calogero-Cohn type upper bounds on the number of bound states of a negative spherically symmetric potential , in each angular momentum state, that is…
Demonstration of EPR steering using single-photon path entanglement and displacement-based detection
T. Guerreiro, F. Monteiro, A. Martin +15
We demonstrate the violation of an EPR steering inequality developed for single photon path entanglement with displacement-based detection. We use a high-rate source of heralded si…
Higgs associated production with a vector decaying to two fermions in the geoSMEFT
T. Corbett, A. Martin
We present the inclusive calculations of a Higgs boson produced in associated with massive vector bosons in the Standard Model Effective Field Theory (SMEFT) to order 1/ for…
Cross time-bin photonic entanglement for quantum key distribution
A. Martin, F. Kaiser, A. Vernier +3
We report a fully fibered source emitting cross time-bin entangled photons at 1540 nm from type-II spontaneous parametric down conversion. Compared to standard time-bin entanglemen…
Breaking Points in Quartic Maps
M. Romera, G. Pastor, M. -F. Danca +3
Dynamical systems, whether continuous or discrete, are used by physicists in order to study non-linear phenomena. In the case of discrete dynamical systems, one of the most used is…
Challenging preconceptions about Bell tests with photon pairs
V. Caprara Vivoli, P. Sekatski, J. -D. Bancal +7
Motivated by very recent experiments, we consider a scenario "Ã la Bell" in which two protagonists test the Clauser-Horne-Shimony-Holt (CHSH) inequality using a photon-pair source…
Two-photon interference between disparate sources for quantum networking
A. R. McMillan, L. Labonté, A. S. Clark +6
Quantum networks involve entanglement sharing between multiple users. Ideally, any two users would be able to connect regardless of the type of photon source they employ, provided…
A simplified recursive model for the fragmentation of polarized quarks
A. Kerbizi, X. Artru, Z. Belghobsi +1
We revisit our recursive model for the fragmentation of polarized quarks based on the string+ mechanism of pair creation. We make a different choice for one inp…
Experimental access to higher-order Zeeman effects by precision spectroscopy of highly charged ions in a Penning trap
D. von Lindenfels, M. Wiesel, D. A. Glazov +8
We present an experimental concept and setup for laser-microwave double-resonance spectroscopy of highly charged ions in a Penning trap. Such spectroscopy allows a highly precise m…
Multiplicities of charged pions and unidentified charged hadrons from deep-inelastic scattering of muons off an isoscalar target
C. Adolph, J. Agarwala, M. Aghasyan +224
Multiplicities of charged pions and unidentified hadrons produced in deep-inelastic scattering were measured in bins of the Bjorken scaling variable , the relative virtual-photo…
Experimental access to Transition Distribution Amplitudes with the PANDA experiment at FAIR
PANDA Collaboration, B. P. Singh, W. Erni +532
Baryon-to-meson Transition Distribution Amplitudes (TDAs) encoding valuable new information on hadron structure appear as building blocks in the collinear factorized description fo…
Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised proton
C. Adolph, R. Akhunzyanov, M. G. Alexeev +205
Measurements of the Collins and Sivers asymmetries for charged pions and charged and neutral kaons produced in semi-inclusive deep-inelastic scattering of high energy muons off tra…
Long term experience with perfluorobutane in COMPASS RICH
F. Bradamante, A. Bressan, A. Cicuttin +16
COMPASS RICH-1 has used high-purity perfluorobutane as radiator gas since 2001. The operation and control of the radiator gas has evolved over years with continuous improvements. W…
Heralded Amplification of Path Entangled Quantum States
F. Monteiro, E. Verbanis, V. Caprara Vivoli +4
Device-independent quantum key distribution (DI-QKD) represents one of the most fascinating challenges in quantum communication, exploiting concepts of fundamental physics, namely…
Leading-order determination of the gluon polarisation from semi-inclusive deep inelastic scattering data
C. Adolph, M. Aghasyan, R. Akhunzyanov +217
Using a novel analysis technique, the gluon polarisation in the nucleon is re-evaluated using the longitudinal double-spin asymmetry measured in the cross section of semi-inclusive…
Polarization dependent, surface plasmon induced photoconductance in gold nanorod arrays
S. Diefenbach, N. Erhard, J. Schopka +4
We report on the photoconductance in two-dimensional arrays of gold nanorods which is strongly enhanced at the frequency of the longitudinal surface plasmon of the nanorods. The ar…
Transverse-momentum-dependent Multiplicities of Charged Hadrons in Muon-Deuteron Deep Inelastic Scattering
M. Aghasyan, R. Akhunzyanov, M. G. Alexeev +227
A semi-inclusive measurement of charged hadron multiplicities in deep inelastic muon scattering off an isoscalar target was performed using data collected by the COMPASS Collaborat…
Leading order determination of the gluon polarisation from DIS events with high-p_T hadron pairs
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +212
We present a determination of the gluon polarisation Delta g/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with a pair of large transverse-momentu…
Feasibility studies of time-like proton electromagnetic form factors at PANDA at FAIR
PANDA Collaboration, B. Singh, W. Erni +502
Simulation results for future measurements of electromagnetic proton form factors at \PANDA (FAIR) within the PandaRoot software framework are reported. The statistical precision w…
New Physics at the LHC. A Les Houches Report: Physics at TeV Colliders 2009 - New Physics Working Group
G. Brooijmans, C. Grojean, G. D. Kribs +57
We present a collection of signatures for physics beyond the standard model that need to be explored at the LHC. First, are presented various tools developed to measure new particl…
Polarization entangled photon-pair source based on quantum nonlinear photonics and interferometry
F. Kaiser, L. A. Ngah, A. Issautier +9
We present a versatile, high-brightness, guided-wave source of polarization entangled photons, emitted at a telecom wavelength. Photon-pairs are generated using an integrated type-…
Asteroids' physical models from combined dense and sparse photometry and scaling of the YORP effect by the observed obliquity distribution
J. HanuÅ¡, J. Äurech, M. Brož +116
The larger number of models of asteroid shapes and their rotational states derived by the lightcurve inversion give us better insight into both the nature of individual objects and…
A Framework for Predicting Phishing Websites using Neural Networks
A. Martin, Na. Ba. Anutthamaa, M. Sathyavathy +2
In India many people are now dependent on online banking. This raises security concerns as the banking websites are forged and fraud can be committed by identity theft. These forge…
Technical Design Report for the: PANDA Micro Vertex Detector
PANDA Collaboration, W. Erni, I. Keshelashvili +454
This document illustrates the technical layout and the expected performance of the Micro Vertex Detector (MVD) of the PANDA experiment. The MVD will detect charged particles as clo…
Integrated optical source of polarization entangled photons at 1310 nm
A. Martin, V. Cristofori, P. Aboussouan +5
We report the realization of a new polarization entangled photon-pair source based on a titanium-indiffused waveguide integrated on periodically poled lithium niobate pumped by a C…
ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider
ATHENA Collaboration, J. Adam, L. Adamczyk +433
ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine trackin…
Status of COMPASS RICH-1 Upgrade with MPGD-based Photon Detectors
M. Alexeev, R Birsa, F. Bradamante +31
A Set of new MPGD-based Photon Detectors is being built for the upgrade of COMPASS RICH-1. The detectors cover a total active area of 1.4 m and are based on a hybrid architectu…
The high voltage system for the novel MPGD-based photon detectors of COMPASS RICH-1
J. Agarwala, R. Birsa, F. Bradamante +13
The architecture of the novel MPGD-based photon detectors of COMPASS RICH-1 consists in a large-size hybrid MPGD multilayer layout combining two layers of Thick-GEMs and a bulk res…
Longitudinal double spin asymmetries in single hadron quasi-real photoproduction at high
COMPASS Collaboration, C. Adolph, R. Akhunzyanov +207
We measured the longitudinal double spin asymmetries for single hadron muo-production off protons and deuterons at photon virtuality < 1(GeV/) for transve…
Benchmarks for new strong interactions at the LHC
J. Hirn, A. Martin, V. Sanz
New strong interactions at the LHC may exhibit a richer structure than expected from simply rescaling QCD to the electroweak scale. In fact, a departure from rescaled QCD is requir…
First measurement of transverse-spin-dependent azimuthal asymmetries in the Drell-Yan process
Aghasyan, R. Akhunzyanov, M. G. Alexeev +216
The first measurement of transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan (DY) process is reported. We use the CERN SPS 190 GeV/, beam and…
Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215
The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…
Comparing different approaches for generating random numbers device-independently using a photon pair source
V. Caprara Vivoli, P. Sekatski, J. -D. Bancal +6
What is the most efficient way to generate random numbers device-independently using a photon pair source based on spontaneous parametric down conversion (SPDC)? We consider this q…
Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons
PANDA Collaboration, W. Erni, I. Keshelashvili +411
To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitation…
Optimized MPGD-based Photon Detectors for high momentum particle identification at the Electron-Ion Collider
J. Agarwala, F. Bradamante, A. Bressan +10
Particle IDentification (PID) is a central requirement of the experiments at the future EIC. Hadron PID at high momenta by RICH techniques requires the use of low density gaseous r…
Resonance Production and S-wave in at 190 GeV/c
C. Adolph, R. Akhunzyanov, M. G. Alexeev +206
The COMPASS collaboration has collected the currently largest data set on diffractively produced final states using a negative pion beam of 190 GeV/c momentum imping…
Direct mass measurements beyond the proton drip-line
C. Rauth, D. Ackermann, K. Blaum +24
First on-line mass measurements were performed at the SHIPTRAP Penning trap mass spectrometer. The masses of 18 neutron-deficient isotopes in the terbium-to-thulium region produced…
Polarization entangled photon-pair source based on a type-II PPLN waveguide emitting at a telecom wavelength
A. Martin, A. Issautier, H. Herrmann +4
We report the realization of a fiber coupled polarization entangled photon-pair source at 1310 nm based on a birefringent titanium in-diffused waveguide integrated on periodically…
Exclusive rho^0 muoproduction on transversely polarised protons and deuterons
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The transverse target spin azimuthal asymmetry A_UT in hard exclusive production of rho^0 mesons was measured at COMPASS by scattering 160 GeV/c muons off transversely polarised pr…
A dynamical dichotomy in large binary asteroids
K. Minker, B. Carry, F. Vachier +20
No less than 15% of large (diameter greater than 140 km) asteroids have satellites. The commonly accepted mechanism for their formation is post-impact reaccumulation. However, the…
Light isovector resonances in at 190 GeV/
M. Aghasyan, M. G. Alexeev, G. D. Alexeev +221
We have performed the most comprehensive resonance-model fit of states using the results of our previously published partial-wave analysis (PWA) of a large data set…
Simulation of annihilation with quark spin effects
A. Kerbizi, L. Lönnblad, A. Martin
The quark spin effects are introduced for the first time in the string fragmentation routine of the Pythia 8 Monte Carlo event generator for the simulation of annihilation…
The high voltage system with pressure and temperature corrections for the novel MPGD-based photon detectors of COMPASS RICH-1
J. Agarwala, M. Bari, F. Bradamante +17
The novel MPGD-based photon detectors of COMPASS RICH-1 consist of large-size hybrid MPGDs with multi-layer architecture including two layers of Thick-GEMs and a bulk resistive Mic…
Odd and Even Partial Waves of and in at
C. Adolph, R. Akhunzyanov, M. G. Alexeev +205
Exclusive production of and has been studied with a beam impinging on a hydrogen target at COMPASS (CERN). Partial-wave analyses rev…
From the LHC to Future Colliders
A. De Roeck, J. Ellis, C. Grojean +61
Discoveries at the LHC will soon set the physics agenda for future colliders. This report of a CERN Theory Institute includes the summaries of Working Groups that reviewed the phys…
Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +212
First measurements of azimuthal asymmetries in hadron-pair production in deep-inelastic scattering of muons on transversely polarised ^6LiD (deuteron) and NH_3 (proton) targets are…
Azimuthal asymmetries of charged hadrons produced in high-energy muon scattering off longitudinally polarised deuterons
C. Adolph, M. Aghasyan, R. Akhunzyanov +221
Single hadron azimuthal asymmetries of positive and negative hadrons produced in muon semi-inclusive deep inelastic scattering off longitudinally polarised deuterons are determined…
Novel MPGD based Detectors of Single Photons in COMPASS RICH-1
J. Agarwala M. Alexeev, C. D. R. Azevedo, R. Birsa +33
COMPASS is a fixed target experiment at CERN SPS aimed to study Hadron Structure and Spectroscopy. Hadron Identification in the momentum range between 3 and 55 GeV/c is provided by…
Leading and Next-to-Leading Order Gluon Polarisation in the Nucleon and Longitudinal Double Spin Asymmetries from Open Charm Muoproduction
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The gluon polarisation in the nucleon was measured using open charm production by scattering 160 GeV/c polarised muons off longitudinally polarised protons or deuterons. The data w…
New and updated convex shape models of asteroids based on optical data from a large collaboration network
J. HanuÅ¡, J. Äurech, D. A. Oszkiewicz +165
Asteroid modeling efforts in the last decade resulted in a comprehensive dataset of almost 400 convex shape models and their rotation states. This amount already provided a deep in…
Probing transversity by measuring polarisation in SIDIS
M. G. Alexeev, G. D. Alexeev, A. Amoroso +196
Based on the observation of sizeable target-transverse-spin asymmetries in single-hadron and hadron-pair production in Semi-Inclusive measurements of Deep Inelastic Scattering (SID…
Spin alignment and violation of the OZI rule in exclusive and production in pp collisions
C. Adolph, R. Akhunzyanov, M. G. Alexeev +206
Exclusive production of the isoscalar vector mesons and is measured with a 190 GeV proton beam impinging on a liquid hydrogen target. Cross section ratios are determi…
Proposal for witnessing non-classical light with the human eye
A. Dodel, A. Mayinda, E. Oudot +4
We give a complete proposal showing how to detect the non-classical nature of photonic states with naked eyes as detectors. The enabling technology is a sub-Poissonian photonic sta…
The magnetic field of evolved hot stars
C. Neiner, A. Martin, G. Wade +1
About 10% of hot stars host a fossil magnetic field on the pre-main sequence and main sequence. However, the first magnetic evolved hot stars have been discovered only recently. An…
First measurement of the Sivers asymmetry for gluons from SIDIS data
C. Adolph, M. Aghasyan, R. Akhunzyanov +223
The Sivers function describes the correlation between the transverse spin of a nucleon and the transverse motion of its partons. It was extracted from measurements of the azimuthal…
Hadron Transverse Momentum Distributions in Muon Deep Inelastic Scattering at 160 GeV/
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +207
Multiplicities of charged hadrons produced in deep inelastic muon scattering off a LiD target have been measured as a function of the DIS variables , , and t…
A hybrid model for bankruptcy prediction using genetic algorithm, fuzzy c-means and mars
A. Martin, V. Gayathri, G. Saranya +2
Bankruptcy prediction is very important for all the organization since it affects the economy and rise many social problems with high costs. There are large number of techniques ha…
High-statistics measurement of Collins and Sivers asymmetries for transversely polarised deuterons
G. D. Alexeev, M. G. Alexeev, C. Alice +183
New results are presented on a high-statistics measurement of Collins and Sivers asymmetries of charged hadrons produced in deep inelastic scattering of muons on a transversely pol…
Generation of tunable wavelength coherent states and heralded single photons for quantum optics applications
N. Bruno, A. Martin, R. T. Thew
Quantum optics experiments frequently involve interfering single photons and coherent states. In the case of multi-photon experiments this requires that all photons are frequency d…
13th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Moving Forward into the LHC Era
Mario Deile, David d'Enterria, Albert De Roeck +105
Proceedings of the 13th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Moving Forward into the LHC Era
First Observation of an Exotic Reggeon
G. D. Alexeev, M. G. Alexeev, C. Alice +180
We present new \compass high-statistics measurements of the peripheral production of and pairs in the reactions . For the…
Study of Σ(1385) and Î(1321) hyperon and antihyperon production in deep inelastic muon scattering
C. Adolph, M. Alekseev, V. Yu. Alexakhin +203
Large samples of Î, Σ(1385) and Î(1321) hyperons produced in deep-inelastic muon scattering off a ^6LiD target were collected with the COMPASS experimental setup at CERN. The re…
Nonlinear interaction between two heralded single photons
T. Guerreiro, A. Martin, B. Sanguinetti +7
Harnessing nonlinearities strong enough to allow two single photons to interact with one another is not only a fascinating challenge but is central to numerous advanced application…
Opportunities in Flavour Physics at the HL-LHC and HE-LHC
A. Cerri, V. V. Gligorov, S. Malvezzi +300
Motivated by the success of the flavour physics programme carried out over the last decade at the Large Hadron Collider (LHC), we characterize in detail the physics potential of it…
Studying the Underlying Event in Drell-Yan and High Transverse Momentum Jet Production at the Tevatron
The CDF Collaboration, T. Aaltonen, J. Adelman +576
We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles (transverse momentum pT > 0.5 GeV/c, pseudorapidity |η| < 1) produced…
A Framework for Business Intelligence Application using Ontological Classification
A. Martin, D. Maladhy, V. Prasanna Venkatesan
Every business needs knowledge about their competitors to survive better. One of the information repositories is web. Retrieving Specific information from the web is challenging. A…
Search for exclusive photoproduction of Z(3900) at COMPASS
C. Adolph, R. Akhunzyanov, M. G. Alexeev +205
A search for the exclusive production of the hadron by virtual photons has been performed in the channel . The data cover…
High-quality polarization entanglement state preparation and manipulation in standard telecommunication channels
F. Kaiser, A. Issautier, L. A. Ngah +5
We report a novel and simple approach for generating near-perfect quality polarization entanglement in a fully guided-wave fashion. Both deterministic pair separation into two adja…
Measurement of the hard exclusive muoproduction cross section at COMPASS
G. D. Alexeev, M. G. Alexeev, C. Alice +169
A new and detailed measurement of the cross section for hard exclusive neutral-pion muoproduction on the proton was performed in a wide kinematic region, with the photon virtuality…
Spin Density Matrix Elements in Exclusive Meson Muoproduction
G. D. Alexeev, M. G. Alexeev, C. Alice +186
We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive meson muoproduction at COMPASS using 160~GeV/ polarised and beams…
Sivers asymmetry extracted in SIDIS at the hard scale of the Drell-Yan process at COMPASS
C. Adolph, M. Aghasyan, R. Akhunzyanov +223
Proton transverse-spin azimuthal asymmetries are extracted from the COMPASS 2010 semi-inclusive hadron measurements in deep inelastic muon-nucleon scattering in those four regions…
A complete characterisation of the heralded noiseless amplification of photons
N. Bruno, V. Pini, A. Martin +1
Heralded noiseless amplifcation of photons has recently been shown to provide a means to overcome losses in complex quantum communication tasks. In particular, to overcome transmis…
Spectroscopy of Strange Mesons and First Observation of a Strange Crypto-Exotic State with
G. D. Alexeev, M. G. Alexeev, C. Alice +160
We measured the strange-meson spectrum in the scattering reaction with the COMPASS spectrometer at CERN. Using the world's largest sample…
Light Stops in a minimal U(1)x extension of the MSSM
R. M. Capdevilla, A. Delgado, A. Martin
In order to reproduce the measured mass of the Higgs boson mh = 125GeV in the minimal supersymmetric standard model, one usually has to rely on heavy stops, increasing the fine tun…
THE TOOLS AND MONTE CARLO WORKING GROUP Summary Report from the Les Houches 2009 Workshop on TeV Colliders
J. M. Butterworth, F. Maltoni, F. Moortgat +69
This is the summary and introduction to the proceedings contributions for the Les Houches 2009 "Tools and Monte Carlo" working group.
Transversity distributions from difference asymmetries in semi-inclusive DIS
V. Barone, F. Bradamante, A. Bressan +5
In recent years information on the transversity distribution has been obtained combining the Collins asymmetry results from semi-inclusive deep inelastic scattering (SIDIS) d…
Final COMPASS results on the deuteron spin-dependent structure function and the Bjorken sum rule
C. Adolph, M. Aghasyan, R. Akhunzyanov +223
Final results are presented from the inclusive measurement of deep-inelastic polarised-muon scattering on longitudinally polarised deuterons using a LiD target. The data were t…
New Particles Working Group Report of the Snowmass 2013 Community Summer Study
Y. Gershtein, M. Luty, M. Narain +92
This report summarizes the work of the Energy Frontier New Physics working group of the 2013 Community Summer Study (Snowmass).
Multiplicities of charged kaons from deep-inelastic muon scattering off an isoscalar target
C. Adolph, J. Agarwala, M. Aghasyan +223
Precise measurements of charged-kaon multiplicities in deep inelastic scattering were performed. The results are presented in three-dimensional bins of the Bjorken scaling variable…
Production of vector mesons in the String+ model of polarized quark fragmentation
A. Kerbizi, X. Artru, A. Martin
The production of vector mesons in the fragmentation process of polarized quarks is studied within the recursive String+ model, improving a previous version of the model i…
Hyperbolic groups with homeomorphic Gromov boundaries
A. Martin, J. Swiatkowski
We show that the Gromov boundary of the free product of two infinite hyperbolic groups is uniquely determined up to homeomorphism by the homeomorphism types of the boundaries of it…
The Hybrid MPGD-based photon detectors of COMPASS RICH-1
J. Agarwala, M. Alexeev, C. D. R. Azevedo +27
Novel gaseous detectors of single photons for RICH applications have been developed and installed on COMPASS RICH-1 in 2016. They have a hybrid architecture consisting of two stagg…
Detecting flux creep in superconducting YBCO thin films via damping of the oscillations of a levitating permanent magnet
R. Grosser, A. Martin, M. Niemetz +2
The damping of the oscillations of a small permanent magnet (spherical shape, radius 0.1 mm) levitating between two parallel epitaxial YBCO films is measured as a function of oscil…
New analysis of tensor resonances measured at the COMPASS experiment
A. Jackura, C. Fernandez-Ramirez, M. Mikhasenko +232
We present a new amplitude analysis of the -wave in measured by COMPASS. Employing an analytical model based on the principles of the relativistic $S…
Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)
PANDA Collaboration, W. Erni, I. Keshelashvili +407
This document presents the technical layout and the envisaged performance of the Electromagnetic Calorimeter (EMC) for the PANDA target spectrometer. The EMC has been designed to m…
Observation of a new narrow axial-vector meson
C. Adolph, R. Akhunzyanov, M. G. Alexeev +201
The COMPASS collaboration at CERN has measured diffractive dissociation of 190 GeV/ pions into the final state using a stationary hydrogen target. A partial-wave…