核实验 — Scifaro

High-precision mass measurements of neutron deficient silver isotopes probe the robustness of the $N$ = 50 shell closure

High-precision mass measurements of exotic $^{95-97}$Ag isotopes close to the $N = Z$ line have been conducted with the JYFLTRAP double Penning trap mass spectrometer, with the silver ions produced using the recently commissioned…

核实验 · 物理学 2024-09-30 Zhuang Ge , Mikael Reponen , Tommi Eronen , Baishan Hu , Markus Kortelainen , Anu Kankainen , Iain Moore , Dmitrii Nesterenko , Cenxi Yuan , Olga Beliuskina , Laetitia Cañete , Ruben de Groote , Celement Delafosse , Pierre Delahaye , Timo Dickel , Antoine de Roubin , Sarina Geldhof , Wouter Gins , Jason Holt , Marjut Hukkanen , Arthur Jaries , Ari Jokinen , Ágota Koszorús , Gabriella Kripkó-Koncz , Sonja Kujanpää , Yihua Lam , Stylianos Nikas , Alejandro Ortiz-Cortes , Heikki Penttilä , Daniel Pitman-Weymouth , Wolfgang Plaß , Ilkka Pohjalainen , Andrea Raggio , Sami Rinta-Antila , Jorge Romero , Marek Stryjczyk , Markus Vilen , Ville Virtanen , Alexandra Zadvornaya

First investigation on the isomeric ratio in multinucleon transfer reactions: Entrance channel effects on the spin distribution

The multinucleon transfer (MNT) reaction approach was successfully employed for the first time to measure the isomeric ratios (IRs) of $^{211}$Po (25/2$^+$) isomer and its (9/2$^+$) ground state at the IGISOL facility using a 945 MeV…

核实验 · 物理学 2024-09-30 D. Kumar , T. Dickel , A. Zadvornaya , O. Beliuskin , A. Kankainen , P. Constantin , S. Purushothaman , A. Spataru , M. Stryjczyk , L. Al Ayoubi , M. Brunet , L. Canete , C. Delafosse , R. P. de Groote , A. de Roubin , T. Eronen , Z. Ge , W. Gins , C. Hornung , M. Hukkanenc , A. Illana Sison , A. Jokinen , D. Kahl , B. Kindler , B. Lommel , I. Mardor , I. D. Moore , D. A. Nesterenko , D. Nichita , S. Nikas , A. Ortiz-Cortes , H. Penttilä , Zs. Podolyák , I. Pohjalainen , A. Raggio , M. Reponen , S. Rinta-Antila , J. Romero , M. Vilen , V. Virtanen , A. Weaver , J. Winfield

Nuclear charge radius of $^{26m}$Al and its implication for V$_{ud}$ in the quark-mixing matrix

Collinear laser spectroscopy was performed on the isomer of the aluminium isotope $^{26m}$Al. The measured isotope shift to $^{27}$Al in the $3s^{2}3p\;^{2}\!P^\circ_{3/2} \rightarrow 3s^{2}4s\;^{2}\!S_{1/2}$ atomic transition enabled the…

核实验 · 物理学 2024-09-30 P. Plattner , E. Wood , L. Al Ayoubi , O. Beliuskina , M. L. Bissell , K. Blaum , P. Campbell , B. Cheal , R. P. de Groote , C. S. Devlin , T. Eronen , L. Filippin , R. F. García Ruíz , Z. Ge , S. Geldhof , W. Gins , M. Godefroid , H. Heylen , M. Hukkanen , P. Imgram , A. Jaries , A. Jokinen , A. Kanellakopoulos , A. Kankainen , S. Kaufmann , K. König , Á. Koszorús , S. Kujanpää , S. Lechner , S. Malbrunot-Ettenauer , P. Müller , R. Mathieson , I. Moore , W. Nörtershäuser , D. Nesterenko , R. Neugart , G. Neyens , A. Ortiz-Cortes , H. Penttilä , I. Pohjalainen , A. Raggio , M. Reponen , S. Rinta-Antila , L. V. Rodríguez , J. Romero , R. Sánchez , F. Sommer , M. Stryjczyk , V. Virtanen , L. Xie , Z. Y. Xu , X. F. Yang , D. T. Yordanov

Observation of medium-induced yield enhancement and acoplanarity broadening of low-$p_\mathrm{T}$ jets from measurements in pp and central Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV

The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high transverse momentum (high $p_{\rm T}$) hadron trigger in proton$-$proton and central Pb$-$Pb collisions at…

核实验 · 物理学 2024-09-30 ALICE Collaboration

Measurements of jet quenching using semi-inclusive hadron+jet distributions in pp and central Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV

The ALICE Collaboration reports measurements of the semi-inclusive distribution of charged-particle jets recoiling from a high transverse momentum (high $p_{\rm T}$) charged hadron, in pp and central Pb$-$Pb collisions at center-of-mass…

核实验 · 物理学 2024-09-30 ALICE Collaboration

$\beta^-$ decay $Q$-value measurement of $^{136}$Cs and its implications to neutrino studies

The $\beta^-$ decay $Q$-value of $^{136}$Cs ($J^\pi = 5^+$, $t_{1/2} \approx 13$~days) was measured with the JYFLTRAP Penning trap setup at the Ion Guide Isotope Separator On-Line (IGISOL) facility of the University of Jyv\"askyl\"a,…

核实验 · 物理学 2024-09-30 Z. Ge , T. Eronen , A. de Roubin , M. Ramalho , J. Kostensalo , J. Kotila , J. Suhonen , D. A. Nesterenko , A. Kankainen , P. Ascher , O. Beliuskina , M. Flayol , M. Gerbaux , S. Grévy , M. Hukkanen , A. Husson , A. Jaries , A. Jokinen , I. D. Moore , P. Pirinen , J. Romero , M. Stryjczyk , V. Virtanen , A. Zadvornaya

The ALICE experiment: a journey through QCD

The ALICE experiment was proposed in 1993, to study strongly-interacting matter at extreme energy densities and temperatures. This proposal entailed a comprehensive investigation of nuclear collisions at the LHC. Its physics programme…

核实验 · 物理学 2024-09-30 ALICE Collaboration

Search for the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Xe-Xe collisions at $\sqrt{s_{\mathrm{NN}}} = 5.44$ TeV

Charge-dependent two- and three-particle correlations measured in Xe-Xe collisions at $\sqrt{s_{\mathrm{NN}}} = 5.44$ TeV are presented. Results are obtained for charged particles in the pseudorapidity range $|\eta|<0.8$ and transverse…

核实验 · 物理学 2024-09-30 ALICE Collaboration

Mass measurements in the $^{132}$Sn region with the JYFLTRAP double Penning trap mass spectrometer

We report on new precision mass measurements of neutron-rich $^{137}$Sb and $^{136-142}$I isotopes from the JYFLTRAP double Penning trap mass spectrometer. We confirm the value from the previous Penning-trap measurement of $^{137}$Sb at the…

核实验 · 物理学 2024-09-27 O. Beliuskina , D. A. Nesterenko , A. Jaries , M. Stryjczyk , A. Kankainen , L. Canete , R. P. de Groote , C. Delafosse , T. Eronen , Z. Ge , S. Geldhof , W. Gins , M. Hukkanen , A. Jokinen , I. D. Moore , M. Mougeot , S. Nikas , H. Penttilä , I. Pohjalainen , A. Raggio , M. Reponen , S. Rinta-Antila , A. de Roubin , J. Ruotsalainen , M. Vilen , V. Virtanen , A. Zadvornaya

Quasielastic $\overrightarrow{^{3}\mathrm{He}}(\overrightarrow{e},{e'})$ Asymmetry in the Threshold Region

A measurement of the double-spin asymmetry from electron-$^{3}$He scattering in the threshold region of two- and three-body breakup of $^{3}$He was performed at Jefferson Lab, for Q$^{2}$ values of 0.1 and 0.2 (GeV/$c$)$^{2}$. The results…

核实验 · 物理学 2024-09-26 M. Nycz , W. Armstrong , T. Averett , C. Ayerbe Gayoso , X. Bai , J. Bane , S. Barcus , J. Benesch , H. Bhatt , D. Bhetuwal , D. Biswas , A. Camsonne , G. Cates , J-P. Chen , J. Chen , M. Chen , C. Cotton , M-M. Dalton , A. Deltuva , A. Deur , B. Dhital , B. Duran , S. C. Dusa , I. Fernando , E. Fuchey , B. Gamage , H. Gao , D. Gaskell , T. Gautam , N. Gauthier , J. Golak , J. -O. Hansen , F. Hauenstein , W. Henry , D. W. Higinbotham , G. Huber , C. Jantzi , S. Jia , K. Jin , M. Jones , S. Joosten , A. Karki , B. Karki , S. Katugampola , S. Kay , C. Keppel , E. King , P. King , W. Korsch , V. Kumar , R. Li , S. Li , W. Li , D. Mack , S. Malace , P. Markowitz , J. Matter , M. McCaughan , Z-E. Meziani , R. Michaels , A. Mkrtchyan , H. Mkrtchyan , C. Morean , V. Nelyubin , G. Niculescu , M. Niculescu , C. Peng , S. Premathilake , A. Puckett , A. Rathnayake , M. Rehfuss , P. Reimer , G. Riley , Y. Roblin , J. Roche , M. Roy , P. U. Sauer , S. Scopeta , M. Satnik , B. Sawatzky , S. Seeds , S. S. Širca , R. Skibiński , G. Smith , N. Sparveris , H. Szumila-Vance , A. Tadepalli , V. Tadevosyan , Y. Tian , A. Usman , H. Voskanyan , H. Witala , S. Wood , B. Yale , C. Yero , A. Yoon , J. Zhang , Z. Zhao , X. Zheng , J. Zhou

An Update on the Hypothetical X17 Particle

Recently, when examining the differential internal pair creation coefficients of $^8$Be, $^4$He and $^{12}$C nuclei, we observed peak-like anomalies in the angular correlation of the e$^+$e$^-$ pairs. This was interpreted as the creation…

核实验 · 物理学 2024-09-26 A. J. Krasznahorky , A. Krasznahorkay , M. Csatlós , J. Timár , M. Begala , A. Krakó , I. Rajta , I. Vajda , N. J. Sas

Study of the Involvement of $^8$Be and $^9$B Nuclei in the Dissociation of Relativistic $^{10}$C, $^{10}$B, and $^{12}$C Nuclei

The results obtained by estimating the contribution of $^8$Be and $^9$B nuclei to the coherent dissociation of $^{10}$C, $^{10}$B, and $^{12}$C relativistic nuclei in nuclear track emulsions (``white'' stars) are presented. The selection of…

核实验 · 物理学 2024-09-25 D. A. Artemenkov , V. Bradnova , G. I. Britvich , A. A. Zaitsev , P. I. Zarubin , I. G. Zarubina , V. A. Kalinin , R. R. Kattabekov , N. K. Kornegrutsa , M. Yu. Kostin , A. V. Maksimov , K. Z. Mamatkulov , E. Mitseva , A. Neagu , V. A. Pikalov , M. K. Polkovnikov , P. A. Rukoyatkin , V. V. Rusakova , V. R. Sarkisyan , R. Stanoeva , E. Firu , M. Haiduc , S. P. Kharlamov

Dissociation of Relativistic $^{10}$B Nuclei in Nuclear Track Emulsion

The structural features of $^{10}$B are studied by analyzing the dissociation of nuclei of this isotope at an energy of 1 A GeV in nuclear track emulsion. The fraction of the $^{10}$B $\to$ 2He + H channel in the charge state distribution…

核实验 · 物理学 2024-09-24 A. A. Zaitsev , D. A. Artemenkov , V. Bradnova , P. I. Zarubin , I. G. Zarubina , R. R. Kattabekov , N. K. Kornegrutsa , K. Z. Mamatkulov , E. K. Mitsova , A. Neagu , P. A. Rukoyatkin , V. V. Rusakova , V. R. Sarkisyan , R. Stanoeva , M. Haiduc , E. Firu

Measurement of Ionization Produced by 254 eVnr Nuclear Recoils in Germanium

Ionization produced by low-energy nuclear recoils is among the primary direct signatures of dark matter interactions. Despite the urgency of dark matter detection and the recent measurements of coherent elastic neutrino-nucleus scattering,…

核实验 · 物理学 2024-09-24 A. R. L. Kavner , I. Jovanovic

Searching for $^{76}$Ge neutrinoless double beta decay with the CDEX-1B experiment

We operated a p-type point contact high purity germanium (PPCGe) detector (CDEX-1B, 1.008 kg) in the China Jinping Underground Laboratory (CJPL) for 500.3 days to search for neutrinoless double beta ($0\nu\beta\beta$) decay of $^{76}$Ge. A…

核实验 · 物理学 2024-09-24 B. T. Zhang , J. Z. Wang , L. T. Yang , Q. Yue , K. J. Kang , Y. J. Li , H. P. An , Greeshma C. , J. P. Chang , Y. H. Chen , J. P. Cheng , W. H. Dai , Z. Deng , C. H. Fang , X. P. Geng , H. Gong , Q. J. Guo , X. Y. Guo , L. He , S. M. He , J. W. Hu , H. X. Huang , T. C. Huang , H. T. Jia , X. Jiang , S. Karmakar , H. B. Li , J. M. Li , J. Li , Q. Y. Li , R. M. J. Li , X. Q. Li , Y. L. Li , Y. F. Liang , B. Liao , F. K. Lin , S. T. Lin , J. X. Liu , S. K. Liu , Y. D. Liu , Y. Liu , Y. Y. Liu , Z. Z. Liu , H. Ma , Y. C. Mao , Q. Y. Nie , J. H. Ning , H. Pan , N. C. Qi , J. Ren , X. C. Ruan , Z. She , M. K. Singh , T. X. Sun , C. J. Tang , W. Y. Tang , Y. Tian , G. F. Wang , L. Wang , Q. Wang , Y. F. Wang , Y. X. Wang , H. T. Wong , S. Y. Wu , Y. C. Wu , H. Y. Xing , R. Xu , Y. Xu , T. Xue , Y. L. Yan , N. Yi , C. X. Yu , H. J. Yu , J. F. Yue , M. Zeng , Z. Zeng , F. S. Zhang , L. Zhang , Z. H. Zhang , Z. Y. Zhang , K. K. Zhao , M. G. Zhao , J. F. Zhou , Z. Y. Zhou , J. J. Zhu

Differential cross-section measurements for neutron-induced $\alpha$ production reactions on carbon across neutron energy range of 6.2 to 76 MeV

Angle-differential cross sections for neutron-induced $\alpha$ production in carbon were determined at thirty discrete neutron energy levels ranging from 6.2 to 76 MeV at the Back-n white neutron source of the China Spallation Neutron…

核实验 · 物理学 2024-09-24 Longxiang Liu , Kang Sun , Han Yi , Fei Lu , Danyang Pang , Hongwei Wang , Gongtao Fan , Xiguang Cao , Longlong Song , Suyalatu Zhang , Dexin Wang , Xinxiang Li , Yuxuan Yang , Pan Kuang , Xinrong Hu , Zirui Hao , Sheng Jin , Kaijie Chen , Wei Jiang , Ruirui Fan , Jingyu Tang , Qiang Li , Yonghao Chen , Zhixin Tan , Yang Li , Shilun Jin , Yugang Ma

Measurement of elliptic flow of J$/\psi$ in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions at forward rapidity

We report the first measurement of the azimuthal anisotropy of J$/\psi$ at forward rapidity ($1.2<|\eta|<2.2$) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV at the Relativistic Heavy Ion Collider. The data were collected by the PHENIX…

核实验 · 物理学 2024-09-20 PHENIX Collaboration , N. J. Abdulameer , U. Acharya , A. Adare , C. Aidala , N. N. Ajitanand , Y. Akiba , M. Alfred , S. Antsupov , K. Aoki , N. Apadula , H. Asano , C. Ayuso , B. Azmoun , V. Babintsev , M. Bai , N. S. Bandara , B. Bannier , E. Bannikov , K. N. Barish , S. Bathe , A. Bazilevsky , M. Beaumier , S. Beckman , R. Belmont , A. Berdnikov , Y. Berdnikov , L. Bichon , B. Blankenship , D. S. Blau , M. Boer , J. S. Bok , V. Borisov , K. Boyle , M. L. Brooks , J. Bryslawskyj , V. Bumazhnov , C. Butler , S. Campbell , V. Canoa Roman , C. -H. Chen , D. Chen , M. Chiu , C. Y. Chi , I. J. Choi , J. B. Choi , T. Chujo , Z. Citron , M. Connors , R. Corliss , M. Csanád , T. Csörgő , L. D. Liu , T. W. Danley , A. Datta , M. S. Daugherity , G. David , K. DeBlasio , K. Dehmelt , A. Denisov , A. Deshpande , E. J. Desmond , A. Dion , P. B. Diss , V. Doomra , J. H. Do , A. Drees , K. A. Drees , M. Dumancic , J. M. Durham , A. Durum , T. Elder , A. Enokizono , R. Esha , B. Fadem , W. Fan , N. Feege , D. E. Fields , M. Finger, , M. Finger , D. Firak , D. Fitzgerald , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukuda , P. Gallus , C. Gal , P. Garg , H. Ge , F. Giordano , A. Glenn , Y. Goto , N. Grau , S. V. Greene , M. Grosse Perdekamp , T. Gunji , T. Guo , T. Hachiya , J. S. Haggerty , K. I. Hahn , H. Hamagaki , H. F. Hamilton , J. Hanks , S. Y. Han , S. Hasegawa , T. O. S. Haseler , K. Hashimoto , T. K. Hemmick , X. He , J. C. Hill , K. Hill , A. Hodges , R. S. Hollis , K. Homma , B. Hong , T. Hoshino , N. Hotvedt , J. Huang , K. Imai , J. Imrek , M. Inaba , A. Iordanova , D. Isenhower , Y. Ito , D. Ivanishchev , B. Jacak , M. Jezghani , X. Jiang , Z. Ji , B. M. Johnson , V. Jorjadze , D. Jouan , D. S. Jumper , S. Kanda , J. H. Kang , D. Kapukchyan , S. Karthas , D. Kawall , A. V. Kazantsev , J. A. Key , V. Khachatryan , A. Khanzadeev , B. Kimelman , C. Kim , D. J. Kim , E. -J. Kim , G. W. Kim , M. Kim , M. H. Kim , D. Kincses , E. Kistenev , R. Kitamura , J. Klatsky , D. Kleinjan , P. Kline , T. Koblesky , B. Komkov , D. Kotov , L. Kovacs , S. Kudo , K. Kurita , M. Kurosawa , Y. Kwon , J. G. Lajoie , E. O. Lallow , A. Lebedev , S. Lee , S. H. Lee , M. J. Leitch , Y. H. Leung , N. A. Lewis , S. H. Lim , M. X. Liu , X. Li , X. Li , V. -R. Loggins , S. Lökös , D. A. Loomis , D. Lynch , T. Majoros , Y. I. Makdisi , M. Makek , M. Malaev , A. Manion , V. I. Manko , E. Mannel , H. Masuda , M. McCumber , P. L. McGaughey , D. McGlinchey , C. McKinney , A. Meles , M. Mendoza , A. C. Mignerey , D. E. Mihalik , A. Milov , D. K. Mishra , J. T. Mitchell , M. Mitrankova , Iu. Mitrankov , G. Mitsuka , S. Miyasaka , S. Mizuno , A. K. Mohanty , P. Montuenga , T. Moon , D. P. Morrison , S. I. Morrow , T. V. Moukhanova , B. Mulilo , T. Murakami , J. Murata , A. Mwai , K. Nagai , K. Nagashima , T. Nagashima , J. L. Nagle , M. I. Nagy , I. Nakagawa , H. Nakagomi , K. Nakano , C. Nattrass , P. K. Netrakanti , T. Niida , S. Nishimura , R. Nouicer , N. Novitzky , R. Novotny , T. Novák , G. Nukazuka , A. S. Nyanin , E. O'Brien , C. A. Ogilvie , J. D. Orjuela Koop , M. Orosz , J. D. Osborn , A. Oskarsson , K. Ozawa , R. Pak , V. Pantuev , V. Papavassiliou , J. S. Park , S. Park , M. Patel , S. F. Pate , J. -C. Peng , W. Peng , D. V. Perepelitsa , G. D. N. Perera , D. Yu. Peressounko , C. E. PerezLara , J. Perry , R. Petti , M. Phipps , C. Pinkenburg , R. Pinson , R. P. Pisani , M. Potekhin , A. Pun , M. L. Purschke , J. Rak , B. J. Ramson , I. Ravinovich , K. F. Read , D. Reynolds , V. Riabov , Y. Riabov , D. Richford , T. Rinn , S. D. Rolnick , M. Rosati , Z. Rowan , J. G. Rubin , J. Runchey , B. Sahlmueller , N. Saito , T. Sakaguchi , H. Sako , V. Samsonov , M. Sarsour , K. Sato , S. Sato , B. Schaefer , B. K. Schmoll , K. Sedgwick , R. Seidl , A. Seleznev , A. Sen , R. Seto , P. Sett , A. Sexton , D. Sharma , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , B. K. Singh , C. P. Singh , V. Singh , M. Slunečka , K. L. Smith , M. Snowball , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , P. W. Stankus , M. Stepanov , S. P. Stoll , T. Sugitate , A. Sukhanov , T. Sumita , J. Sun , Z. Sun , S. Syed , J. Sziklai , A. Takeda , A. Taketani , K. Tanida , M. J. Tannenbaum , S. Tarafdar , A. Taranenko , G. Tarnai , R. Tieulent , A. Timilsina , T. Todoroki , M. Tomášek , C. L. Towell , R. Towell , R. S. Towell , I. Tserruya , Y. Ueda , B. Ujvari , H. W. van Hecke , S. Vazquez-Carson , J. Velkovska , M. Virius , V. Vrba , X. R. Wang , Z. Wang , Y. Watanabe , Y. S. Watanabe , F. Wei , A. S. White , C. P. Wong , C. L. Woody , M. Wysocki , B. Xia , L. Xue , C. Xu , Q. Xu , S. Yalcin , Y. L. Yamaguchi , A. Yanovich , P. Yin , I. Yoon , J. H. Yoo , I. E. Yushmanov , H. Yu , W. A. Zajc , A. Zelenski , S. Zhou , L. Zou

Investigating the effects of precise mass measurements of Ru and Pd isotopes on machine learning mass modeling

Atomic masses are a foundational quantity in our understanding of nuclear structure, astrophysics and fundamental symmetries. The long-standing goal of creating a predictive global model for the binding energy of a nucleus remains a…

核实验 · 物理学 2024-09-19 W. S. Porter , B. Liu , D. Ray , A. A. Valverde , M. Li , M. R. Mumpower , M. Brodeur , D. P. Burdette , N. Callahan , A. Cannon , J. A. Clark , D. E. M. Hoff , A. M. Houff , F. G. Kondev , A. E. Lovell , A. T. Mohan , G. E. Morgan , C. Quick , G. Savard , K. S. Sharma , T. M. Sprouse , L. Varriano

Addendum: Dielectron production in proton-proton and proton-lead collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV

This is an addendum to the article [arXiv:2005.11995] "Dielectron production in proton-proton and proton-lead collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV" published in Phys. Rev. C 102 no. 5, (2020) 055204. We update the extracted…

核实验 · 物理学 2024-09-19 ALICE Collaboration

Investigating charm quark energy loss in medium with the nuclear modification factor of D$^0$-tagged jets

The nuclear modification factor $R_\mathrm{AA}$ of charm jets, identified by the presence of a D$^0$ meson among the jet constituents, has been measured for the first time in Pb-Pb collisions at a centre-of-mass energy per nucleon pair…

核实验 · 物理学 2024-09-19 ALICE Collaboration