:: Library Catalog

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Detalles Bibliográficos
Autores principales:	Li, Zhijun, You, Zhengyun
Formato:	Preprint
Publicado:	2025
Materias:	High Energy Physics - Experiment
Acceso en línea:	https://arxiv.org/abs/2510.26434
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

Ejemplares similares

Observation of the charmonium decay $η_c\toγγ$ in $J/ψ\toγη_c$
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Precision Studies of the $η_c$ decay at BESIII
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Dark sector search at BESIII
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Search for dark sector at BESIII
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Rare Charm Decays at BESIII
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Search for exotic physics at BESIII
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Could an axion-like particle be hidden in $η_c\toγγ$?
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Search for charm rare decays at BESIII
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Dark photon search status in $τ-c$ energy region
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Analyzing the semileptonic and nonleptonic $B_c \to J/ψ, η_c$ decays
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Mini-review of charmonium weak decays at BESIII
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Improved perturbative QCD study of the decay $B_c^+ \to η_c L^+$
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Search for $η_c (2S)\toπ^{+}π^{-}η_{c}$ and $η_c (2S)\toπ^{+}π^{-}K^0_S K^{\pm}π^{\mp}$ decays
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Observation of the Electromagnetic Dalitz Transition $h_c \rightarrow e^+e^-η_c$
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Amplitude analysis of $B^0 \rightarrow η_c(1S) K^+ π^- $ decays
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Self-consistent analysis for the $η_c\rightarrow γγ$ process
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Possible bound states in the triple-$η_c$ and triple-$J/ψ$ systems
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Publicado: (2025)

First Measurement of the Absolute Branching Fraction of $η_c \to γγ$
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Search for $η_c(2S)\toωω$ and $ωϕ$ decays and measurements of $χ_{cJ}\toωω$ and $ωϕ$ in $ψ(2S)$ radiative processes
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The distribution amplitude of the $η_c$-meson
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Experimental dataset from BESIII detector at Beijing electron positron collider
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The ${ϕNN,J/ψNN,η_c NN}$ systems based on HAL QCD interactions
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The next-to-next-to-leading-order QCD corrections to $e^+e^-\to η_c/χ_{cJ}+γ$ at B factories
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Branching ratios and CP asymmetries of $B^0 \to η_c f_0$ in the improved perturbative QCD formalism
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Search for $χ_{c1}\to π^{+}π^{-}η_c$ via $ψ(3686)\toγχ_{c1}$
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Search for dark sector and rare decays at BESIII
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Study of the Magnetic Dipole Transition of $J/ψ\toγη_c$ via $η_c\to p\bar{p}$
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$η_c$ leading-twist distribution amplitude and the $B_c \to η_c\ell\barν_\ell$ semileptonic decays using QCD Sum Rules
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Search for $η_c(2S)\to p\bar{p}$ and branching fraction measurements of $χ_{cJ} \to p\bar{p}$ via $ψ(2S)$ radiative decays
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Search for $η_c(2S)\to 2(π^+π^-)$ and improved measurement of $χ_{cJ}\to 2(π^+π^-)$
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Search for $η_c(2S)\to p\bar{p}K^+K^-$ and measurement of $χ_{cJ}\to p\bar{p}K^+K^-$ in $ψ(3686)$ radiative decays
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Observation of $η_{c}(2S) \to K^{+}K^{-}η$
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Charmed baryon decays at BESIII
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Three-body resonances of $ααM$ clusters ($M=ϕ$, $J/ψ$, $η_c$) in $^{8}_{M}{\mathrm{Be}}$ nuclei
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Search for $η_{c}(2S)\to K^+ K^- η^{\prime}$ decay
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Observation of $η_{c}$(1S, 2S) and $χ_{cJ}$ decays to 2$(π^{+}π^{-})η$ via $ψ$(3686) radiative transitions
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Observation of $η_c(1S)\to Σ^0\bar Σ^0$ and search for $h_c(1P)\to Σ^0\bar Σ^0$ via $ψ(3686)$ transitions
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Publicado: (2024)

$η_{c2}(^1D_2)$ and its electromagnetic decays
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Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η'$
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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'

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