A. El Alaoui

activity

20092026

most citedMomentum sharing in imbalanced Fermi systems

310 citations · 3.4k across the 75 of their papers we have counts for

collaborators

78 papers

nucl-ex2026

Measurements of $γ_{v} p \to π^{+} π^{-} p^{'}$ Cross Sections with the CLAS12 Detector for $Q^{2}$ from 2.4-8.0 GeV $^{2}$ and $W$ from 1.4-2.1 GeV

K. Neupane, R. W. Gothe, D. S. Carman +145

This paper reports exclusive cross sections for the $e p \to e^{'} π^{+} π^{-} p^{'}$ reaction using the CLAS12 detector at Jefferson Laboratory. The extractions of fully integrated and nine sin…

math.PR2026

Free-Probabilistic State Evolution and Random Matrix Discrepancy

August Y. Chen, Ahmed El Alaoui

Let $A_{1}, \dots, A_{n}$ be independent $d \times d$ real symmetric Gaussian random matrices, and consider the linear operator $A (x) = n^{- 1/2} \sum_{i = 1}^{n} x_{i} A_{i}$ , $x\in \mathbb{R}^n…

nucl-ex2026

First Measurement of Near-Threshold J/ψ Photoproduction on the Neutron

R. Tyson, D. G. Ireland, B. McKinnon +139

We report the first measurement of the total and t-differential cross sections for near-threshold J/ $ψ$ photoproduction on the neutron, obtained with the CLAS12 detector at the Tho…

math.PR2026

Mixing of Glauber Dynamics on High Overlap Gibbs Measures

Afonso S. Bandeira, Ahmed El Alaoui, Almut Rödder

We show fast mixing of Glauber dynamics for certain quadratic Gibbs measures with large external fields. The main ingredient is an overlap condition that allows us to control corre…

math.ST2026

How abundant are good interpolators?

August Y. Chen, Ahmed El Alaoui

Let $S$ be the set of unit norm linear classifiers $θ \in R^{d}$ which correctly classify every point of a labeled dataset $(X_{i}, y_{i})_{i = 1}^{n}$ , $X_{i} \in R^{d}$ , $y_i \…

math.PR2024

Hardness of sampling solutions from the Symmetric Binary Perceptron

Ahmed El Alaoui, David Gamarnik

We show that two related classes of algorithms, stable algorithms and Boolean circuits with bounded depth, cannot produce an approximate sample from the uniform measure over the se…

hep-ex2024

Suppression of neutral pion production in deep-inelastic scattering off nuclei with the CLAS detector

T. Mineeva, W. K. Brooks, A. El Alaoui +5

We present the first three-fold differential measurement for neutral pion multiplicity ratios produced in semi-inclusive deep-inelastic electron scattering on carbon, iron and lead…

math.PR2023

Fast relaxation of the random field Ising dynamics

Ahmed El Alaoui, Ronen Eldan, Reza Gheissari +1

We study the convergence properties of Glauber dynamics for the random field Ising model (RFIM) with ferromagnetic interactions on finite domains of $Z^{d}$ , $d \geq 2$ . Of p…

math.PR2023★ 3 cited

Sampling from Mean-Field Gibbs Measures via Diffusion Processes

Ahmed El Alaoui, Andrea Montanari, Mark Sellke

We consider Ising mixed $p$ -spin glasses at high-temperature and without external field, and study the problem of sampling from the Gibbs distribution $μ$ in polynomial time. We de…

math.PR2023★ 9 cited

On the Atypical Solutions of the Symmetric Binary Perceptron

Damien Barbier, Ahmed El Alaoui, Florent Krzakala +1

We study the random binary symmetric perceptron problem, focusing on the behavior of rare high-margin solutions. While most solutions are isolated, we demonstrate that these rare s…

nucl-ex2023

Double-pion electroproduction off protons in deuterium: Quasifree cross sections and final-state interactions

Iu. A. Skorodumina, G. V. Fedotov, R. W. Gothe +1

The single-differential and fully integrated cross sections for quasifree $π^{+} π^{-}$ electroproduction off protons bound in deuterium have been extracted for the first time. The…

nucl-ex2023

Beam Spin Asymmetry Measurements of Deeply Virtual $π^{0}$ Production with CLAS12

A. Kim, S. Diehl, K. Joo +154

The new experimental measurements of beam spin asymmetry were performed for the deeply virtual exclusive $π^{0}$ production in a wide kinematic region with the photon virtualities $Q…

math.PR2023★ 2 cited

Shattering in Pure Spherical Spin Glasses

Ahmed El Alaoui, Andrea Montanari, Mark Sellke

We prove the existence of a shattered phase within the replica-symmetric phase of the pure spherical $p$ -spin models for $p$ sufficiently large. In this phase, we construct a decom…

math.PR2022

Bounds on the covariance matrix of the Sherrington-Kirkpatrick model

Ahmed El Alaoui, Jason Gaitonde

We consider the Sherrington-Kirkpatrick model with no external field and inverse temperature $β < 1$ and prove that the expected operator norm of the covariance matrix of the Gibbs m…

math.PR2022★ 1 cited

Sampling from the Sherrington-Kirkpatrick Gibbs measure via algorithmic stochastic localization

Ahmed El Alaoui, Andrea Montanari, Mark Sellke

We consider the Sherrington-Kirkpatrick model of spin glasses at high-temperature and no external field, and study the problem of sampling from the Gibbs distribution $μ$ in polyno…

math.PR2021

Local algorithms for Maximum Cut and Minimum Bisection on locally treelike regular graphs of large degree

Ahmed El Alaoui, Andrea Montanari, Mark Sellke

Given a graph $G$ of degree $k$ over $n$ vertices, we consider the problem of computing a near maximum cut or a near minimum bisection in polynomial time. For graphs of girth $2 L$ ,…

nucl-ex2021

Beam-spin asymmetry $Σ$ for $Σ^{-}$ hyperon photoproduction off the neutron

Nicholas Zachariou, Edwin Munevar, Barry Berman +8

We report a new measurement of the beam-spin asymmetry $Σ$ for the $γ n \to K^{+} Σ^{-}$ reaction using quasi-free neutrons in a liquid-deuterium target. The new…

nucl-ex2020★ 22 cited

Extraction of beam-spin asymmetries from the hard exclusive $π^{+}$ channel off protons in a wide range of kinematics

S. Diehl, K. Joo, A. Kim +135

We have measured beam-spin asymmetries to extract the $sin ϕ$ moment $A_{LU}^{s i n ϕ}$ from the hard exclusive $e p \to e^{'} n π^{+}$ reaction above the resonance region, fo…

nucl-ex2020★ 102 cited

Probing the core of the strong nuclear interaction

A. Schmidt, J. R. Pybus, R. Weiss +162

The strong nuclear interaction between nucleons (protons and neutrons) is the effective force that holds the atomic nucleus together. This force stems from fundamental interactions…

nucl-ex2020★ 11 cited

First measurement of direct photoproduction of the $a_{2} (1320)^{0}$ meson on the proton

A. Celentano, M. Battaglieri, R. De Vita +4

We present the first measurement of the exclusive reaction $γ p \to a_{2} (1320)^{0} p$ in the photon energy range $3.5$ - $5.5$ GeV and four-momentum transfer squared $0.2<-t<2…

cs.DS2019

The Kikuchi Hierarchy and Tensor PCA

Alexander S. Wein, Ahmed El Alaoui, Cristopher Moore

For the tensor PCA (principal component analysis) problem, we propose a new hierarchy of increasingly powerful algorithms with increasing runtime. Our hierarchy is analogous to the…

nucl-ex2018

First Measurements of the Double-Polarization Observables $F$ , $P$ , and $H$ in $ω$ Photoproduction off Transversely Polarized Protons in the $N^{*}$ Resonance Region

P. Roy, S. Park, V. Crede +145

First measurements of double-polarization observables in $ω$ photoproduction off the proton are presented using transverse target polarization and data from the CEBAF Large Accepta…

nucl-ex2018★ 23 cited

Measurement of Nuclear Transparency Ratios for Protons and Neutrons

M. Duer, O. Hen, E. Piasetzky +6

This paper presents, for the first time, measurements of neutron transparency ratios for nuclei relative to C measured using the (e,e'n) reaction, spanning measured neutron momenta…

nucl-ex2018★ 117 cited

Direct Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei

M. Duer, A. Schmidt, J. R. Pybus +11

We measured the triple coincidence A(e,e'np) and A(e,e'pp) reactions on carbon, aluminum, iron, and lead targets at Q2 > 1.5 (GeV/c)2, xB > 1.1 and missing momentum > 400 MeV/c. Th…

Measurements of γv​p→π+π−p′ Cross Sections with the CLAS12 Detector for Q2 from 2.4-8.0 GeV2 and W from 1.4-2.1 GeV

Free-Probabilistic State Evolution and Random Matrix Discrepancy

First Measurement of Near-Threshold J/ψ Photoproduction on the Neutron

Mixing of Glauber Dynamics on High Overlap Gibbs Measures

How abundant are good interpolators?

Hardness of sampling solutions from the Symmetric Binary Perceptron

Suppression of neutral pion production in deep-inelastic scattering off nuclei with the CLAS detector

Fast relaxation of the random field Ising dynamics

Sampling from Mean-Field Gibbs Measures via Diffusion Processes

On the Atypical Solutions of the Symmetric Binary Perceptron

Double-pion electroproduction off protons in deuterium: Quasifree cross sections and final-state interactions

Beam Spin Asymmetry Measurements of Deeply Virtual π0 Production with CLAS12

Shattering in Pure Spherical Spin Glasses

Bounds on the covariance matrix of the Sherrington-Kirkpatrick model

Sampling from the Sherrington-Kirkpatrick Gibbs measure via algorithmic stochastic localization

Local algorithms for Maximum Cut and Minimum Bisection on locally treelike regular graphs of large degree

Beam-spin asymmetry Σ for Σ− hyperon photoproduction off the neutron

Extraction of beam-spin asymmetries from the hard exclusive π+ channel off protons in a wide range of kinematics

Probing the core of the strong nuclear interaction

First measurement of direct photoproduction of the a2​(1320)0 meson on the proton

The Kikuchi Hierarchy and Tensor PCA

First Measurements of the Double-Polarization Observables F, P, and H in ω Photoproduction off Transversely Polarized Protons in the N∗ Resonance Region

Measurement of Nuclear Transparency Ratios for Protons and Neutrons

Direct Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei

Measurements of $γ_{v} p \to π^{+} π^{-} p^{'}$ Cross Sections with the CLAS12 Detector for $Q^{2}$ from 2.4-8.0 GeV $^{2}$ and $W$ from 1.4-2.1 GeV

Beam Spin Asymmetry Measurements of Deeply Virtual $π^{0}$ Production with CLAS12

Beam-spin asymmetry $Σ$ for $Σ^{-}$ hyperon photoproduction off the neutron

Extraction of beam-spin asymmetries from the hard exclusive $π^{+}$ channel off protons in a wide range of kinematics

First measurement of direct photoproduction of the $a_{2} (1320)^{0}$ meson on the proton

First Measurements of the Double-Polarization Observables $F$ , $P$ , and $H$ in $ω$ Photoproduction off Transversely Polarized Protons in the $N^{*}$ Resonance Region