Related papers: Update of High Resolution (e,e'K^+) Hypernuclear S…

Properties of the Lambda(1520) Resonance from High-Precision Electroproduction Data

High-resolution spectrometer measurements of the reaction H(e,e'K+)X at small Q2 are used to extract the mass and width of the Lambda(1520). We investigate the influence of various assumptions used in the extraction. The width appears to be…

High Energy Physics - Phenomenology · Physics 2011-01-19 Y. Qiang , Ya. I. Azimov , I. I. Strakovsky , W. J. Briscoe , H. Gao , D. W. Higinbotham , V. V. Nelyubin

Lead tungstate calorimeter of the Jefferson Lab Eta Factory experiment

A new electromagnetic calorimeter (ECAL) consisting of 1596 lead tungstate PbWO$_{\rm 4}$ scintillating crystals has been fabricated and installed in the experimental Hall D at Jefferson Lab (JLab). The high-granularity, high-resolution…

Instrumentation and Detectors · Physics 2025-10-07 Alexander Somov

New results from the NA57 experiment

We report results from the experiment NA57 at CERN SPS on hyperon production at midrapidity in Pb-Pb collisions at 158 $A$ GeV/$c$ and 40 $A$ GeV/$c$. $\Lambda$, $\Xi$ and $\Omega$ yields are compared with those from the STAR experiment at…

Nuclear Experiment · Physics 2019-08-20 G. E. Bruno

Plans for a Neutron EDM Experiment at SNS

The electric dipole moment of the neutron, leptons, and atoms provide a unique window to Physics Beyond the Standard Model. We are currently developing a new neutron EDM experiment (the nEDM Experiment). This experiment, which will be run…

Nuclear Experiment · Physics 2008-11-26 Takeyasu M. Ito

Feshbach Resonance due to Coherent Lambda-Sigma Coupling in Lambda_He^7

Coherent Lambda-Sigma coupling effect in Lambda_He^7 is analyzed within three-body framework of two coupled channels, Lambda-t-t and Sigma-tau-t, where tau represents trinucleon which is either H^3 or He^3. The hyperon-trinucleon (Y tau)…

Nuclear Theory · Physics 2010-03-16 San San Mon , Tin Tin Nwe , Khin Swe Myint , Y. Akaishi

Energy Resolution studies for NEXT

This work aims to present the current state of simulations of electroluminescence (EL) produced in gas-based detectors with special interest for NEXT --- Neutrino Experiment with a Xenon TPC. NEXT is a neutrinoless double beta decay…

Instrumentation and Detectors · Physics 2011-05-23 C. A. B. Oliveira , M. Sorel , J. Martin-Albo , J. J. Gomez-Cadenas , A. L. Ferreira , J. F. C. A. Veloso

The Jefferson Lab 12 GeV Program

The Jefferson Lab facilities have undergone a substantial upgrade, both of accelerator, CEBAF, and of the experimental installations. We will discuss the progress to completion of these facilities, the status of accelerator commissioning,…

Nuclear Experiment · Physics 2017-01-20 Hugh E. Montgomery

Light Collection and Pulse-Shape Discrimination in Elongated Scintillator Cells for the PROSPECT Reactor Antineutrino Experiment

A meter-long, 23-liter EJ-309 liquid scintillator detector has been constructed to study the light collection and pulse-shape discrimination performance of elongated scintillator cells for the PROSPECT reactor antineutrino experiment. The…

Instrumentation and Detectors · Physics 2016-03-03 J. Ashenfelter , B. Balantekin , H. R. Band , G. Barclay , C. D. Bass , D. Berish , N. S. Bowden , A. Bowes , J. P. Brodsky , C. D. Bryan , J. J. Cherwinka , R. Chu , T. Classen , K. Commeford , D. Davee , D. Dean , G. Deichert , M. V. Diwan , M. J. Dolinski , J. Dolph , D. A. Dwyer , J. K. Gaison , A. Galindo-Uribarri , K. Gilje , A. Glenn , B. W. Goddard , M. Green , K. Han , S. Hans , K. M. Heeger , B. Heffron , D. E. Jaffe , T. J. Langford , B. R. Littlejohn , D. A. Martinez Caicedo , R. D. McKeown , M. P. Mendenhall , P. Mueller , H. P. Mumm , J. Napolitano , R. Neilson , D. Norcini , D. Pushin , X. Qian , E. Romero , R. Rosero , L. Saldana , B. S. Seilhan , R. Sharma , S. Sheets , N. T Stemen , P. T. Surukuchi , R. L. Varner , B. Viren , W. Wang , B. White , C. White , J. Wilhelmi , C. Williams , T. Wise , H. Yao , M. Yeh , Y. -R. Yen , G. Zangakis , C. Zhang , X. Zhang

H.E.S.S. observations of RX J1713.7-3946 with improved angular and spectral resolution; evidence for gamma-ray emission extending beyond the X-ray emitting shell

Supernova remnants exhibit shock fronts (shells) that can accelerate charged particles up to very high energies. In the past decade, measurements of a handful of shell-type supernova remnants in very-high-energy gamma rays have provided…

High Energy Astrophysical Phenomena · Physics 2018-04-11 H. E. S. S. Collaboration , : , H. Abdalla , H. Abdalla , A. Abramowski , F. Aharonian , F. Ait Benkhali , A. G. Akhperjanian , T. Andersson , E. O. Angüner , M. Arrieta , P. Aubert , M. Backes , A. Balzer , M. Barnard , Y. Becherini , J. Becker Tjus , D. Berge , S. Bernhard , K. Bernlöhr , R. Blackwell , M. Böttcher , C. Boisson , J. Bolmont , P. Bordas , J. Bregeon , F. Brun , P. Brun , M. Bryan , M. Büchele , T. Bulik , M. Capasso , J. Carr , S. Casanova , M. Cerruti , N. Chakraborty , R. Chalme-Calvet , R. C. G. Chaves , A. Chen , J. Chevalier , M. Chrétien , M. Coffaro , S. Colafrancesco , G. Cologna , B. Condon , J. Conrad , Y. Cui , I. D. Davids , J. Decock , B. Degrange , C. Deil , J. Devin , P. deWilt , L. Dirson , A. Djannati-Ataï , W. Domainko , A. Donath , L. O'C. Drury , K. Dutson , J. Dyks , T. Edwards , K. Egberts , P. Eger , J. -P. Ernenwein , S. Eschbach , C. Farnier , S. Fegan , M. V. Fern , A. Fiasson , G. Fontaine , A. Förster , S. Funk , M. Füßling , S. Gabici , M. Gajdus , Y. A. Gallant , T. Garrigoux , G. Giavitto , B. Giebels , J. F. Glicenstein , D. Gottschall , A. Goyal , M. -H. Grondin , D. Hadasch , J. Hahn , M. Haupt , J. Hawkes , G. Heinzelmann , G. Henri , G. Hermann , O. Hervet , J. A. Hinton , W. Hofmann , C. Hoischen , M. Holler , D. Horns , A. Ivascenko , A. Jacholkowska , M. Jamrozy , M. Janiak , D. Jankowsky , F. Jankowsky , M. Jingo , T. Jogler , L. Jouvin , I. Jung-Richardt , M. A. Kastendieck , K. Katarzyński , U. Katz , D. Kerszberg , B. Khélifi , M. Kieffer , J. King , S. Klepser , D. Klochkov , W. Kluźniak , D. Kolitzus , Nu. Komin , K. Kosack , S. Krakau , M. Kraus , P. P. Krüger , H. Laffon , G. Lamanna , J. Lau , J. -P. Lees , J. Lefaucheur , V. Lefranc , A. Lemière , M. Lemoine-Goumard , J. -P. Lenain , E. Leser , T. Lohse , M. Lorentz , R. Liu , R. López-Coto , I. Lypova , V. Mar , A. Marcowith , C. Mariaud , R. Marx , G. Maurin , N. Maxted , M. Mayer , P. J. Meintjes , M. Meyer , A. M. W. Mitchell , R. Moderski , M. Mohamed , L. Mohrmann , K. Morå , E. Moulin , T. Murach , M. de Naurois , F. Niederwanger , J. Niemiec , L. Oakes , P. O'Brien , H. Odaka , S. Öttl , S. Ohm , M. Ostrowski , I. Oya , M. Padovani , M. Panter , R. D. Parsons , N. W. Pekeur , G. Pelletier , C. Perennes , P. -O. Petrucci , B. Peyaud , Q. Piel , S. Pita , H. Poon , D. Prokhorov , H. Prokoph , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Raab , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , F. Rieger , C. Romoli , G. Rowell , B. Rudak , C. B. Rulten , V. Sahakian , D. Salek , D. A. Sanchez , A. Santangelo , M. Sasaki , R. Schlickeiser , F. Schüssler , A. Schulz , U. Schwanke , S. Schwemmer , L. Seglar-Arroyo , M. Settimo , A. S. Seyffert , N. Shafi , I. Shilon , R. Simoni , H. Sol , F. Spanier , G. Spengler , F. Spies , Ł. Stawarz , R. Steenkamp , C. Stegmann , K. Stycz , I. Sushch , J. -P. Tavernet , T. Tavernier , A. M. Taylor , R. Terrier , L. Tibaldo , D. Tiziani , M. Tluczykont , C. Trichard , R. Tuffs , Y. Uchiyama , D. J. van der Walt , C. van Eldik , C. van Rensburg , B. van Soelen , G. Vasileiadis , J. Veh , C. Venter , A. Viana , P. Vincent , J. Vink , F. Voisin , H. J. Völk , T. Vuillaume , Z. Wadiasingh , S. J. Wagner , P. Wagner , R. M. Wagner , R. White , A. Wierzcholska , P. Willmann , A. Wörnlein , D. Wouters , R. Yang , V. Zabalza , D. Zaborov , M. Zacharias , R. Zanin , A. A. Zdziarski , A. Zech , F. Zefi , A. Ziegler , N. Żywucka

A high-efficiency gas target setup for underground experiments, and redetermination of the branching ratio of the 189.5 keV $\mathbf{^{22}Ne(p,\gamma)^{23}Na}$ resonance

The experimental study of nuclear reactions of astrophysical interest is greatly facilitated by a low-background, high-luminosity setup. The Laboratory for Underground Nuclear Astrophysics (LUNA) 400 kV accelerator offers ultra-low…

Nuclear Experiment · Physics 2018-03-13 F. Ferraro , M. P. Takács , D. Piatti , V. Mossa , M. Aliotta , D. Bemmerer , A. Best , A. Boeltzig , C. Broggini , C. G. Bruno , A. Caciolli , F. Cavanna , T. Chillery , G. F. Ciani , P. Corvisiero , L. Csedreki , T. Davinson , R. Depalo , G. D'Erasmo , A. Di Leva , Z. Elekes , E. M. Fiore , A. Formicola , Zs. Fülöp , G. Gervino , A. Guglielmetti , C. Gustavino , Gy. Gyürky , G. Imbriani , M. Junker , I. Kochanek , M. Lugaro , L. E. Marcucci , P. Marigo , R. Menegazzo , F. R. Pantaleo , V. Paticchio , R. Perrino , P. Prati , L. Schiavulli , K. Stöckel , O. Straniero , T. Szücs , D. Trezzi , S. Zavatarelli

Improved limits on a hypothetical X(16.7) boson and a dark photon decaying into $e^+e^-$ pairs

The improved results on a direct search for a new X(16.7 MeV) boson which could explain the anomalous excess of $e^+e^-$ pairs observed in the excited 8Be nucleus decays ("Berillium anomaly") are reported. Due to its coupling to electrons,…

High Energy Physics - Experiment · Physics 2020-04-22 D. Banerjee , J. Bernhard , V. E. Burtsev , A. G. Chumakov , D. Cooke , P. Crivelli , E. Depero , A. V. Dermenev , S. V. Donskov , R. R. Dusaev , T. Enik , N. Charitonidis , A. Feshchenko , V. N. Frolov , A. Gardikiotis , S. G. Gerassimov , S. N. Gninenko , M. Hoesgen , M. Jeckel , V. A. Kachanov , A. E. Karneyeu , G. Kekelidze , B. Ketzer , D. V. Kirpichnikov , M. M. Kirsanov , V. N. Kolosov , I. V. Konorov , S. G. Kovalenko , V. A. Kramarenko , L. V. Kravchuk , N. V. Krasnikov , S. V. Kuleshov , V. E. Lyubovitskij , V. Lysan , V. A. Matveev , Yu. V. Mikhailov , L. Molina Bueno , D. V. Peshekhonov , V. A. Polyakov , B. Radics , R. Rojas , A. Rubbia , V. D. Samoylenko , D. Shchukin , V. O. Tikhomirov , I. Tlisova , D. A. Tlisov , A. N. Toropin , A. Yu. Trifonov , B. I. Vasilishin , G. Vasquez Arenas , P. V. Volkov , V. Yu. Volkov , P. Ulloa

Search for composite and exotic fermions at LEP 2

A search for unstable heavy fermions with the DELPHI detector at LEP is reported. Sequential and non-canonical leptons, as well as excited leptons and quarks, are considered. The data analysed correspond to an integrated luminosity of about…

High Energy Physics - Experiment · Physics 2010-04-08 DELPHI Collaboration , P. Abreu et al

First Determination of Level Structure of an $sd$-Shell Hypernucleus, $\rm {^{19}_{\Lambda}F}$

We report on the first observation of $\gamma$ rays emitted from an $sd$-shell hypernucleus, $\rm ^{19}_{\Lambda}F$. The energy spacing between the ground state doublet, $1/2^{+}$ and $3/2^{+}$ states, of $\rm ^{19}_{\Lambda}F$ is…

Nuclear Experiment · Physics 2018-04-04 S. B. Yang , J. K. Ahn , Y. Akazawa , K. Aoki , N. Chiga , H. Ekawa , P. Evtoukhovitch , A. Feliciello , M. Fujita , S. Hasegawa , S. Hayakawa , T. Hayakawa , R. Honda , K. Hosomi , S. H. Hwang , N. Ichige , Y. Ichikawa , M. Ikeda , K. Imai , S. Ishimoto , S. Kanatsuki , S. H. Kim , S. Kinbara , K. Kobayashi , T. Koike , J. Y. Lee , K. Miwa , T. J. Moon , T. Nagae , Y. Nakada , M. Nakagawa , Y. Ogura , A. Sakaguchi , H. Sako , Y. Sasaki , S. Sato , K. Shirotori , H. Sugimura , S. Suto , S. Suzuki , T. Takahashi , H. Tamura , K. Tanida , Y. Togawa , Z. Tsamalaidze , M. Ukai , T. F. Wang , T. O. Yamamoto

Recent and Future Measurements of the Neutron Electric Form Factor

I review recently conducted measurements of $\gen$ as well as precision form factor experiments at high momentum transfer that will be performed with the 11 GeV electron beam at Jefferson Lab.

Nuclear Experiment · Physics 2014-11-21 Andrei Semenov

Extending MCAS to hypernuclei and radiative-capture reactions

Using a Multi-Channel Algebraic Scattering (MCAS) approach we have analyzed the spectra of two hyper-nuclear systems, Lambda9Be and Lambda13C. We have studied the splitting of the two odd-parity excited levels (1/2- and 3/2-) at 11 MeV…

Nuclear Theory · Physics 2015-05-14 L. Canton , K. Amos , S. Karataglidis , J. P. Svenne

High accuracy, high resolution 235U(n,f) cross section from n_TOF (CERN) in the thermal to 10 keV energy range

The 235U(n,f) cross section was measured in a wide energy range (25 meV - 170 keV) at the n_TOF facility at CERN, relative to 6Li(n,t) and 10B(n,alpha) standard reactions, with high resolution and accuracy, with a setup based on a stack of…

Nuclear Experiment · Physics 2022-02-14 TOF collaboration , M. Mastromarco , S. Amaducci , N. Colonna , P. Finocchiaro , L. Cosentino , O. Aberle , J. Andrzejewski , L. Audouin , M. Bacak , J. Balibrea , M. Barbagallo , F. Bečvář , E. Berthoumieux , J. Billowes , D. Bosnar , A. Brown , M. Caamaño , F. Calviño , M. Calviani , D. Cano-Ott , R. Cardella , A. Casanovas , F. Cerutti , Y. H. Chen , E. Chiaveri , G. Cortés , M. A. Cortés-Giraldo , L. A. Damone , M. Diakaki , C. Domingo-Pardo , R. Dressler , E. Dupont , I. Durán , B. Fernández-Domínguez , A. Ferrari , P. Ferreira , V. Furman , K. Göbel , A. R. García , A. Gawlik , S. Gilardoni , T. Glodariu , I. F. Gonçalves , E. González-Romero , E. Griesmayer , C. Guerrero , F. Gunsing , H. Harada , S. Heinitz , J. Heyse , D. G. Jenkins , E. Jericha , F. Käppeler , Y. Kadi , A. Kalamara , P. Kavrigin , A. Kimura , N. Kivel , I. Knapova , M. Kokkoris , M. Krtička , D. Kurtulgil , E. Leal-Cidoncha , C. Lederer , H. Leeb , J. Lerendegui-Marco , S. Lo Meo , S. J. Lonsdale , D. Macina , A. Manna , J. Marganiec , T. Martínez , A. Masi , C. Massimi , P. Mastinu , E. A. Maugeri , A. Mazzone , E. Mendoza , A. Mengoni , P. M. Milazzo , F. Mingrone , A. Musumarra , A. Negret , R. Nolte , A. Oprea , N. Patronis , A. Pavlik , J. Perkowski , I. Porras , J. Praena , J. M. Quesada , D. Radeck , T. Rauscher , R. Reifarth , C. Rubbia , J. A. Ryan , M. Sabaté-Gilarte , A. Saxena , P. Schillebeeckx , D. Schumann , P. Sedyshev , A. G. Smith , N. V. Sosnin , A. Stamatopoulos , G. Tagliente , J. L. Tain , A. Tarifeño-Saldivia , L. Tassan-Got , S. Valenta , G. Vannini , V. Variale , P. Vaz , A. Ventura , V. Vlachoudis , R. Vlastou , A. Wallner , S. Warren , C. Weiss , P. J. Woods , T. Wright , P. Žugec

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced $e^+e^-$ Pairs with the Heavy Photon Search Experiment at JLab

The Heavy Photon Search experiment (HPS) at the Thomas Jefferson National Accelerator Facility searches for electro-produced dark photons. We report results from the 2016 Engineering Run consisting of 10608/nb of data for both the prompt…

High Energy Physics - Experiment · Physics 2023-08-02 P. H. Adrian , N. A. Baltzell , M. Battaglieri , M. Bondi , S. Boyarinov , C. Bravo , S. Bueltmann , P. Butti , V. D. Burkert , D. Calvo , T. Cao , M. Carpinelli , A. Celentano , G. Charles , L. Colaneri , W. Cooper , C. Cuevas , A. D'Angelo , N. Dashyan , M. De Napoli , R. De Vita , A. Deur , M. Diamond , R. Dupre , H. Egiyan , L. Elouadrhiri , R. Essig , V. Fadeyev , C. Field , A. Filippi , A. Freyberger , M. Garcon , N. Gevorgyan , F. X. Girod , N. Graf , M. Graham , K. A. Griffioen , A. Grillo , M. Guidal , R. Herbst , M. Holtrop , J. Jaros , R. P. Johnson , G. Kalicy , M. Khandaker , V. Kubarovsky , E. Leonora , K. Livingston , L. Marsicano , T. Maruyama , S. McCarty , J. McCormick , B. McKinnon , K. Moffeit , O. Moreno , C. Munoz Camacho , T. Nelson , S. Niccolai , A. Odian , M. Oriunno , M. Osipenko , R. Paremuzyan , S. Paul , N. Randazzo , B. Raydo , B. Reese , A. Rizzo , P. Schuster , Y. G. Sharabian , G. Simi , A. Simonyan , V. Sipala , A. Spellman , D. Sokhan , M. Solt , S. Stepanyan , H. Szumila-Vance , N. Toro , S. Uemura , M. Ungaro , H. Voskanyan , L. B. Weinstein , B. Wojtsekhowski , B. Yale

The Observation of Exotic Resonances for $\Lambda \gamma $,$\Lambda\pi^{\pm}$,$\Lambda \pi^+\pi^-$, $\Lambda p$, $\Lambda pp$ and $p \gamma$ Spectra in p + a Collision at 10 Gev/c

Strange multi-baryonic clusters are an exiting possibility to explore the properties of cold dense baryonic matter. Recent results on searches for exotic narrow resonances with $\Lambda$ hyperon subsystems are reviewed. The observation of…

High Energy Physics - Experiment · Physics 2009-02-04 Aslanyan P. Zh

The Strangeness Physics Program at CLAS

An extensive program of strange particle production off the proton is currently underway with the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at Jefferson Laboratory. This talk will emphasize strangeness photo- and…

High Energy Physics - Experiment · Physics 2017-08-23 D. S. Carman

Structure of hypernucleus $_{\Lambda}^{7}$Li within microscopic three-cluster model

The structure of bound and resonance states of the hypernucleus $_{\Lambda}^{7}$Li is studied within a three-cluster model. This nucleus is considered a three-cluster structure consisting of $^{4}$He, a deuteron, and a lambda hyperon. The…

Nuclear Theory · Physics 2025-08-20 N. K. Kalzhigitov , S. Amangeldinova , V. S. Vasilevsky