Achromatic Telescopic Squeezing for Dynamic Aperture Optimization in the Electron Storage Ring of the EIC

Fuente: arXiv

Guardado en:

Detalles Bibliográficos
Autores principales:	Unger, Jonathan, Hoffstaetter, Georg
Formato:	Preprint
Publicado:	2026
Materias:	Accelerator Physics
Acceso en línea:	Acceder al recurso
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

Ejemplares similares

Polarization Transmission in the Electron-Ion Collider's Hadron Storage Ring
por: Hamwi, Eiad, et al.
Publicado: (2025)

BAGELS: A General Method for Minimizing the Rate of Radiative Depolarization in Electron Storage Rings
por: Signorelli, Matthew G., et al.
Publicado: (2024)

Error Determination in Sextupole Magnet Calibration and Alignment Measurements and Application to Horizontal Beam Size Calculations at the Cornell Electron-positron Storage Ring
por: Crittenden, James A., et al.
Publicado: (2024)

A generalization of the Froissart-Stora formula to piecewise-linear spin-orbit resonance crossings
por: Devlin, Joseph P., et al.
Publicado: (2026)

Optimizing Dynamic Aperture Studies with Active Learning
por: Di Croce, D., et al.
Publicado: (2024)

Contribution of Wiggler to Radiation Integral in an Electron Storage Ring
por: Deng, Xiujie, et al.
Publicado: (2024)

Detuning Properties of RF Phase Modulation in an Electron Storage Ring
por: Mochihashi, Akira, et al.
Publicado: (2021)

Numerical Modeling of a Proof-of-Principle Experiment on Optical Stochastic Cooling at the IOTA Electron Storage Ring
por: Dick, Austin, et al.
Publicado: (2023)

A Collimation System Baseline Design for the Electron Storage Ring at the Electron-Ion Collider
por: Natochii, Andrii, et al.
Publicado: (2025)

BAGELS for simultaneous polarization, orbit, and optics control in electron storage rings
por: Signorelli, M. G., et al.
Publicado: (2024)

Different forms of first order spin-orbit motion and their utility in spin matching in electron storage rings
por: Signorelli, M. G., et al.
Publicado: (2021)

Overview of the Micro-bunching Instability in Electron Storage Rings and Evolving Diagnostics
por: Brosi, Miriam
Publicado: (2021)

Beam Intensity Limitations in Future Multi-Bend Achromat Light Sources
por: Agapov, Ilya, et al.
Publicado: (2025)

Practical aspects of transverse resonance island buckets at the Cornell Electron Storage Ring: design, control and application
por: Wang, Suntao, et al.
Publicado: (2024)

Low-alpha Operation of the Iota Storage Ring
por: Wallbank, M., et al.
Publicado: (2024)

Beam Optics Ramping in Under-Constrained Lattice Design: Application to Electron-Ion Collider Hadron Storage Ring Cooling Section
por: Xu, Derong
Publicado: (2025)

Achromatic optics using nonlinear plasma lenses for beam-quality preservation between plasma-accelerator stages
por: Lindstrøm, C. A., et al.
Publicado: (2026)

Efficient Dynamic and Momentum Aperture Optimization for Lattice Design Using Multipoint Bayesian Algorithm Execution
por: Zhang, Z., et al.
Publicado: (2025)

Beam Dynamics Framework Incorporating Acceleration to Define the Minimum Aperture in Two Focusing Schemes for Proton Radiotherapy Linac
por: Southerby, Matthew, et al.
Publicado: (2024)

Application of RFSoC Technology for Beam Position Monitors at the SuperKEKB Storage Rings Injection Points
por: Urbschat, B., et al.
Publicado: (2026)

From Concept to Reality: Additive Manufacturing in Particle Accelerator and Storage Ring R&D at GSI and for FAIR
por: Zhang, Chuan, et al.
Publicado: (2025)

Using Longitudinal Strong Focusing Principle to Lower Particle Beam Energy Spread Locally in a Storage Ring
por: Deng, Xiujie, et al.
Publicado: (2026)

High-Harmonic Coherent Pulse Generation in a Storage Ring Using Multiple-Echo-Enabled Harmonic Generation
por: Liu, Weihang, et al.
Publicado: (2026)

Bunch-by-Bunch Prediction of Beam Transverse Position, Phase, and Length in a Storage Ring Using Neural Networks
por: Liu, Can, et al.
Publicado: (2025)

Conceptual Design of a Low-Energy Ion Beam Storage Ring and a Recoil Separator to Study Radiative Neutron Capture by Radioactive Ions
por: Pak, Kihong, et al.
Publicado: (2023)

ALS Storage Ring RF Control System Upgrade Plan and Status
por: Saqib, Najm Us, et al.
Publicado: (2025)

Radiative Spin Polarization in High Energy Storage Rings
por: Mane, S. R.
Publicado: (2025)

Realizing the Scientific Program with Polarized Ion Beams at EIC
por: Atoian, Grigor, et al.
Publicado: (2025)

A Neutron Microscope Using a Nested Wolter-I Condenser and a Bank of Diffractive-Refractive Achromatic Objectives
por: Poulsen, Henning Friis, et al.
Publicado: (2026)

Propagation of a Gaussian Wigner Function Through a Matrix-Aperture Beamline
por: Pogorelov, Ilya V., et al.
Publicado: (2023)

Advancing Electron Injection Dynamics and Mitigation Approaches in the Electron-Ion Collider Swap-out Injection Scheme
por: Xu, Derong, et al.
Publicado: (2024)

First Experimental Demonstration of Beam Storage by Three-Dimensional Spiral Injection Scheme for Ultra-Compact Storage Rings
por: Matsushita, R., et al.
Publicado: (2026)

Alternative Lattice Design for the STCF Collider Rings
por: Liu, Tao, et al.
Publicado: (2026)

Maintaining a Resonance Condition of an RF Spin Rotator Through a Feedback Loop in a Storage Ring
por: Hejny, V., et al.
Publicado: (2025)

FPGA-Based Spill Regulation System for the Muon Delivery Ring at Fermilab
por: Berlioz, J. R., et al.
Publicado: (2025)

The Cornell-BNL FFAG-ERL Test Accelerator: White Paper
por: Bazarov, Ivan, et al.
Publicado: (2015)

Aperture limitation localization using beam position and beam loss monitor measurements
por: Maltseva, Yu., et al.
Publicado: (2025)

Electron Diffusion in Microbunched Electron Cooling
por: Bergan, William
Publicado: (2024)

A method for reversing the laser modulation in a Storage ring
por: Liu, Weihang, et al.
Publicado: (2024)

Basics of RF Electronics
por: Dexter, Amos Christopher
Publicado: (2026)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"7e5e657ad8e3bdca412a1f32875a5e85"
ui	"standard"
language	"es"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790994781.9335 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "7e5e657ad8e3bdca412a1f32875a5e85" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"VUFIND_SESSION=7e5e657ad8e3bdca412a1f32875a5e85; ui=standard; language=es"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.142"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"33392"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2605_00142/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2605_00142/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790994781.9213
REQUEST_TIME	1790994781

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler