Publications (83)
Supernova 1987A: 3D Mixing and light curves for explosion models based on binary-merger progenitors
V. P. Utrobin, A. Wongwathanarat, H. -Th. Janka +4
Six binary-merger progenitors of Supernova 1987A (SN 1987A) with properties close to those of the blue supergiant Sanduleak -69 202 are exploded by neutrino heating and evolved unt…
DESI DR2 Results IV: Alcock-Paczyński Measurements from the Lyman Alpha Forest and Cosmological Constraints
DESI Collaboration, A. G. Adame, J. Aguilar +164
The DESI DR2 analysis measures the Alcock‑Paczynski effect using the full shape of Lyman‑α forest auto‑ and cross‑correlations, achieving 1% precision at redshift 2.33 and providin…
The core helium flash revisited: II. Two and three-dimensional hydrodynamic simulations
M. Mocak, E. Mueller, A. Weiss +1
We study turbulent convection during the core helium flash close to its peak by comparing the results of two and three-dimensional hydrodynamic simulations. We use a multidimension…
Comparing Compressed and Full-modeling Analyses with FOLPS: Implications for DESI 2024 and beyond
H. E. Noriega, A. Aviles, H. Gil-MarÃn +51
The Dark Energy Spectroscopic Instrument (DESI) will provide unprecedented information about the large-scale structure of our Universe. In this work, we study the robustness of the…
The Early Data Release of the Dark Energy Spectroscopic Instrument
DESI Collaboration, A. G. Adame, J. Aguilar +266
The Dark Energy Spectroscopic Instrument (DESI) completed its five-month Survey Validation in May 2021. Spectra of stellar and extragalactic targets from Survey Validation constitu…
A comparison between Shapefit compression and Full-Modelling method with PyBird for DESI 2024 and beyond
Y. Lai, C. Howlett, M. Maus +40
DESI aims to provide one of the tightest constraints on cosmological parameters by analysing the clustering of more than thirty million galaxies. However, obtaining such constraint…
CMB lensing and Lyα forest cross bispectrum from DESI's first-year quasar sample
N. G. Karaçaylı, P. Martini, D. H. Weinberg +50
The squeezed cross-bispectrum \bispeconed\ between the gravitational lensing in the Cosmic Microwave Background and the 1D \lya\ forest power spectrum can constrain bias parameters…
Archetype-Based Redshift Estimation for the Dark Energy Spectroscopic Instrument Survey
Abhijeet Anand, Julien Guy, Stephen Bailey +46
We present a computationally efficient galaxy archetype-based redshift estimation and spectral classification method for the Dark Energy Survey Instrument (DESI) survey. The DESI s…
Nearest-neighbor Kitaev exchange blocked by charge order in electron doped -RuCl
A. Koitzsch, C. Habenicht, E. Mueller +9
A quantum spin-liquid might be realized in -RuCl, a honeycomb-lattice magnetic material with substantial spin-orbit coupling. Moreover, -RuCl is a Mott insulato…
Non-spherical Core Collapse Supernovae I. Neutrino-Driven Convection, Rayleigh-Taylor Instabilities, and the Formation and Propagation of Metal Clumps
K. Kifonidis, T. Plewa, H. -Th. Janka +1
Two-dimensional simulations of a Type II and a Type Ib-like supernova explosion are presented that encompass shock revival by neutrino heating, neutrino-driven convection, explosiv…
Multi-dimensional nucleosynthesis calculations of Type II SNe
C. Travaglio, K. Kifonidis, E. Mueller
We investigate explosive nuclear burning in core collapse supernovae by coupling a tracer particle method to one and two-dimensional Eulerian hydrodynamic calculations. Adopting th…
Optimal Reconstruction of Baryon Acoustic Oscillations for DESI 2024
E. Paillas, Z. Ding, X. Chen +73
Baryon acoustic oscillations (BAO) provide a robust standard ruler to measure the expansion history of the Universe through galaxy clustering. Density-field reconstruction is now a…
DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman Alpha Forest
DESI Collaboration, A. G. Adame, J. Aguilar +196
We present the measurement of Baryon Acoustic Oscillations (BAO) from the Lyman- (Ly) forest of high-redshift quasars with the first-year dataset of the Dark Energy Spectro…
Hydrodynamical Neutron Star Kicks in Three Dimensions
A. Wongwathanarat, H. -Th. Janka, E. Mueller
Using three-dimensional (3D) simulations of neutrino-powered supernova explosions we show that the hydrodynamical kick scenario proposed by Scheck et al. on the basis of two-dimens…
Inference of matter power spectrum at z=0 using DESI DR1 Full-Shape data
R. Cereskaite, E. Mueller, C. Howlett +48
Measurements of galaxy distributions at large cosmic distances capture clustering from the past. In this study, we use a cosmological model to translate these observations into the…
DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
DESI Collaboration, A. G. Adame, J. Aguilar +200
We present cosmological results from the measurement of baryon acoustic oscillations (BAO) in galaxy, quasar and Lyman- forest tracers from the first year of observations from…
Constraining primordial non-Gaussianity from the large scale structure two-point and three-point correlation functions
Z. Brown, R. Demina, A. G. Adame +47
Surveys of cosmological large-scale structure (LSS) are sensitive to the presence of local primordial non-Gaussianity (PNG), and may be used to constrain models of inflation. Local…
Suppressing the sample variance of DESI-like galaxy clustering with fast simulations
Z. Ding, A. Variu, S. Alam +44
Ongoing and upcoming galaxy redshift surveys, such as the Dark Energy Spectroscopic Instrument (DESI) survey, will observe vast regions of sky and a wide range of redshifts. In ord…
Nucleosynthesis and Clump Formation in a Core Collapse Supernova
K. Kifonidis, T. Plewa, H. -Th. Janka +1
High-resolution two-dimensional simulations were performed for the first five minutes of the evolution of a core collapse supernova explosion in a 15 solar mass blue supergiant pro…
Candidate strongly lensed type Ia supernovae in the Zwicky Transient Facility archive
A. Townsend, J. Nordin, A. Sagués Carracedo +61
Gravitationally lensed type Ia supernovae (glSNe Ia) are unique astronomical tools that can be used to study cosmological parameters, distributions of dark matter, the astrophysics…
Thermal transport of helium-3 in a strongly confining channel
D. Lotnyk, A. Eyal, N. Zhelev +8
In a neutral system such as liquid helium-3, transport of mass, heat, and spin provide information analogous to electrical counterparts in metals, superconductors and topological m…
Three-dimensional neutrino-driven supernovae: Neutron star kicks, spins, and asymmetric ejection of nucleosynthesis products
A. Wongwathanarat, H. -Th. Janka, E. Mueller
We present 3D simulations of supernova (SN) explosions of nonrotating stars, triggered by the neutrino-heating mechanism with a suitable choice of the core-neutrino luminosity. Our…
Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument
DESI Collaboration, A. G. Adame, J. Aguilar +261
The Dark Energy Spectroscopic Instrument (DESI) was designed to conduct a survey covering 14,000 deg over five years to constrain the cosmic expansion history through precise m…
Convective cores in galactic cooling flows
A. Kritsuk, T. Plewa, E. Mueller
We use hydrodynamic simulations with adaptive grid refinement to study the dependence of hot gas flows in X-ray luminous giant elliptical galaxies on the efficiency of heat supply…
Simulations of non-axisymmetric rotational core collapse
M. Rampp, E. Mueller, M. Ruffert
We report on the first three-dimensional hydrodynamic simulations of secular and dynamical non-axisymmetric instabilities in collapsing, rapidly rotating stellar cores which extend…
The Lyman- forest catalog from the Dark Energy Spectroscopic Instrument Early Data Release
César RamÃrez-Pérez, Ignasi Pérez-Rà fols, Andreu Font-Ribera +67
We present and validate the catalog of Lyman- forest fluctuations for 3D analyses using the Early Data Release (EDR) from the Dark Energy Spectroscopic Instrument (DESI) survey…
Increase of the mean inner Coulomb potential in Au clusters induced by surface tension and its implication for electron scattering
R. Popescu, E. Mueller, M. Wanner +6
Electron holography in a transmission electron microscope was applied to measure the phase shift induced by Au clusters as a function of the cluster size. Large phase shifts Df obs…
Neutrino pair annihilation near accreting, stellar-mass black holes
R. Birkl, M. -A. Aloy, H. -Th. Janka +1
We investigate the energy-momentum deposition due to neutrino-antineutrino annihilation in the vicinity of axisymmetric, accreting black holes (BHs) by numerically ray-tracing neut…
Equation-of-State Dependent Features in Shock-Oscillation Modulated Neutrino and Gravitational-Wave Signals from Supernovae
A. Marek, H. -Th. Janka, E. Mueller
We present 2D hydrodynamic simulations of the long-time accretion phase of a 15 solar mass star after core bounce and before the launch of a supernova explosion. Our simulations ar…
Three-Dimensional Simulations of Mixing Instabilities in Supernova Explosions
N. J. Hammer, H. -Th. Janka, E. Mueller
We present the first three-dimensional (3D) simulations of the large-scale mixing that takes place in the shock-heated stellar layers ejected in the explosion of a 15.5 solar-mass…
Production and Distribution of Ti and Ni in a Three-dimensional Supernova Model Resembling Cassiopeia A
A. Wongwathanarat, H. -Th. Janka, E. Mueller +2
The spatial and velocity distributions of nuclear species synthesized in the innermost regions of core-collapse supernovae can yield important clues about explosion asymmetries and…
Semi-analytical covariance matrices for two-point correlation function for DESI 2024 data
M. Rashkovetskyi, D. Forero-Sánchez, A. de Mattia +57
We present an optimized way of producing the fast semi-analytical covariance matrices for the Legendre moments of the two-point correlation function, taking into account survey geo…
Hydrodynamics and stability of galactic cooling flows
A. Kritsuk, H. Boehringer, E. Mueller
Using numerical techniques we studied the global stability of cooling flows in giant elliptical galaxies. As an initial equilibrium state we choose the hydrostatic gas recycling mo…
Fiducial-Cosmology-dependent systematics for the DESI 2024 Full-Shape Analysis
R. Gsponer, S. Ramirez-Solano, F. RodrÃguez-MartÃnez +65
We assess the impact of the fiducial cosmology choice on cosmological inference from full-shape (FS) fits of the galaxy power spectrum in the DESI 2024 Data Release 1 (DR1). Using…
Production of Alternate Realizations of DESI Fiber Assignment for Unbiased Clustering Measurement in Data and Simulations
J. Lasker, A. Carnero Rosell, A. D. Myers +52
A critical requirement of spectroscopic large scale structure analyses is correcting for selection of which galaxies to observe from an isotropic target list. This selection is oft…
Axisymmetric simulations of magneto--rotational core collapse: dynamics and gravitational wave signal
M. Obergaulinger, M. A. Aloy, E. Mueller
We have performed a comprehensive parameter study of the collapse of rotating, strongly magnetized stellar cores in axisymmetry to determine their gravitational wave signature base…
Detection of supernova magnitude fluctuations induced by large-scale structure
A. Nguyen, C. Blake, R. J. Turner +56
The peculiar velocities of supernovae and their host galaxies are correlated with the large-scale structure of the Universe, and can be used to constrain the growth rate of structu…
The core helium flash revisited: I. One and two-dimensional hydrodynamic simulations
M. Mocak, E. Mueller, A. Weiss +1
We investigate the hydrodynamics of the core helium flash near its peak. Past research concerned with the dynamics of this event is inconclusive. However, the most recent multidime…
Exploding and Non-exploding Stars: Coupling Nuclear Reaction Networks to Multidimensional Hydrodynamics
K. Kifonidis, T. Plewa, E. Mueller
After decades of one-dimensional nucleosynthesis calculations, the growth of computational resources has meanwhile reached a level, which for the first time allows astrophysicists…
An analysis of parameter compression and full-modeling techniques with Velocileptors for DESI 2024 and beyond
M. Maus, S. Chen, M. White +52
In anticipation of forthcoming data releases of current and future spectroscopic surveys, we present the validation tests and analysis of systematic effects within \texttt{velocile…
Bending relativistic jets in AGNs
T. Plewa, J. Ma. Marti, E. Mueller +2
We present simulations of relativistic jets propagating in a nonuniform medium. Specifically, we study the bending of jets propagating obliquely to the vector of the density-gradie…
Supernova Asymmetries and Pulsar Kicks -- Views on Controversial Issues
H. -Th. Janka, L. Scheck, K. Kifonidis +2
Two- and three-dimensional simulations demonstrate that hydrodynamic instabilities can lead to low-mode (l=1,2) asymmetries of the fluid flow in the neutrino-heated layer behind th…
Clustering analysis of medium-band selected high-redshift galaxies
H. Ebina, M. White, A. Raichoor +57
Next-generation large-scale structure spectroscopic surveys will probe cosmology at high redshifts , relying on abundant galaxy tracers such as Ly emitters (LA…
Optimal 1D Ly Forest Power Spectrum Estimation -- III. DESI early data
Naim Göksel Karaçaylı, Paul Martini, Julien Guy +59
The one-dimensional power spectrum of the Ly forest provides important information about cosmological and astrophysical parameters, including constraints on w…
A comparison of effective field theory models of redshift space galaxy power spectra for DESI 2024 and future surveys
M. Maus, Y. Lai, H. E. Noriega +54
In preparation for the next generation of galaxy redshift surveys, and in particular the year-one data release from the Dark Energy Spectroscopic Instrument (DESI), we investigate…
DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements
DESI Collaboration, A. G. Adame, J. Aguilar +210
We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman- forest tracers from the first year of observations with the Dark Energy Spectros…
Relativistic outflows from remnants of compact object mergers and their viability for short gamma-ray bursts
M. A. Aloy, H. -T. Janka, E. Mueller
We present the first general relativistic hydrodynamic models of the launch and evolution of relativistic jets and winds, driven by thermal energy deposition, possibly due to neutr…
The DESI One-Percent Survey: Modelling the clustering and halo occupation of all four DESI tracers with Uchuu
F. Prada, J. Ereza, A. Smith +44
We present results from a set of mock lightcones for the DESI One-Percent Survey, created from the Uchuu simulation. This This 8 (Gpc/h)^3 N-body simulation comprises 2.1 trillion…
Hydrodynamic simulations of the core helium flash
M. Mocak, E. Mueller, A. Weiss +1
We describe and discuss hydrodynamic simulations of the core helium flash using an initial model of a 1.25 M_sol star with a metallicity of 0.02 near at its peak. Past research con…
Revisiting Proxima with ESPRESSO
A. Suárez Mascareño, J. P. Faria, P. Figueira +88
We aim to confirm the presence of Proxima b using independent measurements obtained with the new ESPRESSO spectrograph, and refine the planetary parameters taking advantage of its…
The locality of the square-root method for improved staggered quarks
A. Hart, E. Mueller
We study the effects of improvement on the locality of square-rooted staggered Dirac operators in lattice QCD simulations. We find the localisation lengths of the improved operator…
Characteristic numerical relativity applied to hydrodynamic studies of neutron stars
F. Siebel, J. A. Font, E. Mueller +1
We present tests and results of a new axisymmetric, fully general relativistic code capable of solving the coupled Einstein-matter system for a perfect fluid matter field. Our impl…
Model-Independent Measurement of the Matter-Radiation Equality Scale in DESI 2024
B. Bahr-Kalus, D. Parkinson, K. Lodha +52
The peak of the matter power spectrum, known as the turnover (TO) scale, is determined by the horizon size at the time of matter-radiation equality. This scale can serve as a stand…
Non-Spherical Core-Collapse Supernovae II. Late-Time Evolution of Globally Anisotropic Neutrino-Driven Explosions and Implications for SN 1987A
K. Kifonidis, T. Plewa, L. Scheck +2
Two-dimensional simulations of strongly anisotropic supernova explosions of a nonrotating 15 solar mass blue supergiant progenitor are presented, which follow the hydrodynamic evol…
Characterization of the K2-38 planetary system. Unraveling one of the densest planets known to date
B. Toledo-Padrón, C. Lovis, A. Suárez Mascareño +90
We characterized the transiting planetary system orbiting the G2V star K2-38 using the new-generation echelle spectrograph ESPRESSO. We carried out a photometric analysis of the av…
Characterization of contaminants in the Lyman-alpha forest auto-correlation with DESI
J. Guy, S. Gontcho A Gontcho, E. Armengaud +61
Baryon Acoustic Oscillations can be measured with sub-percent precision above redshift two with the Lyman-alpha forest auto-correlation and its cross-correlation with quasar positi…
Systematic Effects in Galaxy-Galaxy Lensing with DESI
J. U. Lange, C. Blake, C. Saulder +56
The Dark Energy Spectroscopic Instrument (DESI) survey will measure spectroscopic redshifts for millions of galaxies across roughly of the sky. Cross-cor…
Clustering of DESI galaxies split by thermal Sunyaev-Zeldovich effect
M. Rashkovetskyi, D. J. Eisenstein, J. Aguilar +46
The thermal Sunyaev-Zeldovich (tSZ) effect is associated with galaxy clusters - extremely large and dense structures tracing the dark matter with a higher bias than isolated galaxi…
Multidimensional Supernova Simulations with Approximative Neutrino Transport I. Neutron Star Kicks and the Anisotropy of Neutrino-Driven Explosions in Two Spatial Dimensions
L. Scheck, K. Kifonidis, H. -Th. Janka +1
By means of two-dimensional (2D) simulations we study hydrodynamic instabilities during the first seconds of neutrino-driven supernova explosions, using a PPM hydrodynamics code, s…
DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics
DESI Collaboration, A. G. Adame, J. Aguilar +200
We present the samples of galaxies and quasars used for DESI 2024 cosmological analyses, drawn from the DESI Data Release 1 (DR1). We describe the construction of large-scale struc…
Validating the Galaxy and Quasar Catalog-Level Blinding Scheme for the DESI 2024 analysis
U. Andrade, J. Mena-Fernández, H. Awan +60
In the era of precision cosmology, ensuring the integrity of data analysis through blinding techniques is paramount -- a challenge particularly relevant for the Dark Energy Spectro…
Spherical collapse of supermassive stars: neutrino emission and gamma-ray bursts
Felix Linke, Jose A. Font, Hans-Thomas Janka +2
We present the results of numerical simulations of the spherically symmetric gravitational collapse of supermassive stars (SMS). The collapse is studied using a general relativisti…
Axisymmetric simulations of magnetorotational core collapse: Approximate inclusion of general relativistic effects
M. Obergaulinger, M. A. Aloy, H. Dimmelmeier +1
We continue our investigations of the magnetorotational collapse of stellar cores discussing simulations performed with a modified Newtonian gravitational potential that mimics gen…
CFC+: Improved dynamics and gravitational waveforms from relativistic core collapse simulations
P. Cerda-Duran, G. Faye, H. Dimmelmeier +4
Core collapse supernovae are a promising source of detectable gravitational waves. Most of the existing (multidimensional) numerical simulations of core collapse in general relativ…
Does the plasma composition affect the long term evolution of relativistic jets?
L. Scheck, M. A. Aloy, J. M. Marti +2
We study the influence of the matter content of extragalactic jets on their morphology, dynamics and emission properties. For this purpose we consider jets of extremely different c…
Light curve analysis of ordinary type IIP supernovae based on neutrino-driven explosion simulations in three dimensions
V. P. Utrobin, A. Wongwathanarat, H. -Th. Janka +1
Type II-plateau supernovae (SNe IIP) are the most numerous subclass of core-collapse SNe originating from massive stars. In the framework of the neutrino-driven explosion mechanism…
The First Five Minutes of a Core Collapse Supernova: Multidimensional Hydrodynamic Models
K. Kifonidis, T. Plewa, H. -Th. Janka +1
We present results of high-resolution two-dimensional simulations which follow the first five minutes of a core collapse supernova explosion in a 15 solar mass blue supergiant prog…
DESI 2024 III: Baryon Acoustic Oscillations from Galaxies and Quasars
DESI Collaboration, A. G. Adame, J. Aguilar +193
We present the DESI 2024 galaxy and quasar baryon acoustic oscillations (BAO) measurements using over 5.7 million unique galaxy and quasar redshifts in the range 0.1<z<2.1. Divided…
Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument
B. Abareshi, J. Aguilar, S. Ahlen +264
The Dark Energy Spectroscopic Instrument (DESI) has embarked on an ambitious five-year survey to explore the nature of dark energy with spectroscopy of 40 million galaxies and quas…
ESPRESSO high resolution transmission spectroscopy of WASP-76b
H. M. Tabernero, M. R. Zapatero Osorio, R. Allart +87
Aims. We report on ESPRESSO high-resolution transmission spectroscopic observations of two primary transits of the highly-irradiated, ultra-hot Jupiter-size planet WASP-76b. We inv…
A precise architecture characterization of the Men planetary system
M. Damasso, A. Sozzetti, C. Lovis +97
The bright star Men was chosen as the first target for a radial velocity follow-up to test the performance of ESPRESSO, the new high-resolution spectrograph at the ESO's Very-…
HOD-Dependent Systematics for Luminous Red Galaxies in the DESI 2024 BAO Analysis
J. Mena-Fernández, C. Garcia-Quintero, S. Yuan +72
In this paper, we present the estimation of systematics related to the halo occupation distribution (HOD) modeling in the baryon acoustic oscillations (BAO) distance measurement of…
Full Modeling and Parameter Compression Methods in configuration space for DESI 2024 and beyond
S. Ramirez-Solano, M. Icaza-Lizaola, H. E. Noriega +49
In the contemporary era of high-precision spectroscopic surveys, led by projects like DESI, there is an increasing demand for optimizing the extraction of cosmological information…
The First Hours of a Core Collapse Supernova
K. Kifonidis, T. Plewa, H. -Th. Janka +1
New two-dimensional, high-resolution calculations of a core collapse supernova in a 15 Msol blue supergiant are presented, which cover the entire evolution from shock revival until…
New measurements of the Lyman- forest continuum and effective optical depth with LyCAN and DESI Y1 data
Wynne Turner, Paul Martini, Naim Göksel Karaçaylı +42
We present the Lyman- Continuum Analysis Network (LyCAN), a Convolutional Neural Network that predicts the unabsorbed quasar continuum within the rest-frame wavelength range of…
HOD-Dependent Systematics in Emission Line Galaxies for the DESI 2024 BAO analysis
C. Garcia-Quintero, J. Mena-Fernández, A. Rocher +73
The Dark Energy Spectroscopic Instrument (DESI) will provide precise measurements of Baryon Acoustic Oscillations (BAO) to constrain the expansion history of the Universe and set s…
Exploring the relativistic regime with Newtonian hydrodynamics: An improved effective gravitational potential for supernova simulations
A. Marek, H. Dimmelmeier, H. -Th. Janka +2
We investigate the possibility to approximate relativistic effects in hydrodynamical simulations of stellar core collapse and post-bounce evolution by using a modified gravitationa…
Pulsar Recoil by Large-Scale Anisotropies in Supernova Explosions
L. Scheck, T. Plewa, H. -T. Janka +2
Assuming that the neutrino luminosity from the neutron star core is sufficiently high to drive supernova explosions by the neutrino-heating mechanism, we show that low-mode (l = 1,…
Non-spherical core collapse supernovae and nucleosynthesis
K. Kifonidis, E. Mueller, T. Plewa
Motivated by observations of supernova SN 1987A, various authors have simulated Rayleigh-Taylor (RT) instabilities in the envelopes of core collapse supernovae (for a review, see M…
Explosive Nucleosynthesis: Coupling Reaction Networks to AMR Hydrodynamics
K. Kifonidis, T. Plewa, E. Mueller
In recent years the technique of Adaptive Mesh Refinement (AMR) has been successfully applied to several astrophysical problems. This method should also allow a consistent multi-di…
DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars
A. G. Adame, J. Aguilar, S. Ahlen +195
We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range divi…
Synthetic X-ray light curves of BL Lacs from relativistic hydrodynamic simulations
P. Mimica, M. -A. Aloy, E. Mueller +1
We present the results of relativistic hydrodynamic simulations of the collision of two dense shells in a uniform external medium, as envisaged in the internal shock model for BL L…
Study of the Connected Four-Point Correlation Function of Galaxies from DESI Data Release 1 Luminous Red Galaxy Sample
J. Hou, R. N. Cahn, J. Aguilar +43
We present a measurement of the non-Gaussian four-point correlation function (4PCF) from the DESI DR1 Luminous Red Galaxy (LRG) sample. For the gravitationally induced parity-even…