CERN Accelerating science

CERN Document Server Sök i 23 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.58 sekunder. 
1.
The present and future of QCD / Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U. ; Jefferson Lab) ; Afzal, F. (Bonn U., HISKP ; Bonn U.) ; Aidala, C.A. (Michigan U.) ; Al-bataineh, A. (Jordan U. Sci. Tech. ; Yarmouk U. ; Kansas U.) ; Almaalol, D.K. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Amaryan, M. (Old Dominion U. ; Old Dominion U. (main)) ; Androić, D. (Zagreb U.) ; Armstrong, W.R. (Argonne ; Argonne, PHY) et al.
This White Paper presents the community inputs and scientific conclusions from the Hot and Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 424 physicists registered for the meeting. [...]
arXiv:2303.02579; JLAB-PHY-23-3808.- 2024-04-15 - 111 p. - Published in : Nucl. Phys. A 1047 (2024) 122874 Fulltext: 2303.02579 - PDF; Publication - PDF; External link: JLab Document Server
2.
Study of $\chi_{bJ}(nP) \rightarrow \omega \Upsilon(1S)$ at Belle / Belle Collaboration
We report results from a study of hadronic transitions of the $\chi_{bJ}(nP)$ states of bottomonium at Belle. [...]
arXiv:2108.03497 ; BELLE-CONF-2102.
- 12.
Fulltext
3.
Recent results from the LHCf and RHICf experiments / LHCf Collaboration
The Large Hadron Collider forward and the Relativistic Heavy Ion Collider forward experiments measured forward particles produced in high-energy hadron collisions at the LHC and RHIC. Using compact calorimeters neutral particles produced in pseudorapidities η >8.4 and η >6.0 are observed by the respective experiments. [...]
2019 - 8 p. - Published in : EPJ Web Conf. 208 (2019) 05004 Fulltext: PDF;
In : 20th International Symposium on Very High Energy Cosmic Ray Interactions, Nagoya, Japan, 21 - 25 May 2018, pp.05004
4.
Status and Prospects of the LHCf and RHICf experiments / LHCf Collaboration
Precise understanding of hadronic interactions at high energies is a key to improve mass composition measurements of very high energy cosmic-rays and to solve the muon excess issue observed in high energy cosmic-ray experiments using an air-shower technique. The LHCf and RHICf experiments measures the differential production cross sections of very forward neutral particle as photons, neutral pions and neutrons at LHC and RHIC, respectively. [...]
SISSA, 2022 - 9 p. - Published in : PoS ICRC2021 (2022) 301 Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.301
5.
Opportunities for precision QCD physics in hadronization at Belle II -- a snowmass whitepaper / Accardi, A. (Hampton U. ; Jefferson Lab) ; Chien, Y.T. (SUNY, Stony Brook ; YITP, Stony Brook ; Georgia State U.) ; d'Enterria, D. (CERN) ; Deshpande, A. (SUNY, Stony Brook ; Brookhaven) ; Dilks, C. (Duke U.) ; Gutierrez Garcia, P.A. (Madrid U.) ; Jacobs, W.W. (Indiana U.) ; Krauss, F. (Durham U., IPPP) ; Gomez, S. Leal (Vienna U.) ; Mondal, M. Mouli (SUNY, Stony Brook) et al.
This document presents a selection of QCD studies accessible to high-precision studies with hadronic final states in $e^+e^-$ collisions at Belle II. [...]
arXiv:2204.02280.
- 58 p.
eConf - Fulltext
6.
RHIC forward experiment to study $\sqrt s$ dependence of forward particle production / Sako, T (Nagoya U., ISEE ; KMI, Nagoya) ; Adriani, O (INFN, Florence ; Florence U.) ; Bonechi, L (INFN, Florence) ; D'Alessandro, R (INFN, Florence ; Florence U.) ; Goto, Y (Nishina Ctr., RIKEN ; RIKEN BNL) ; Itow, Y (Nagoya U., ISEE ; KMI, Nagoya) ; Kasahara, K (Waseda U., RISE) ; Kim, M (Nishina Ctr., RIKEN ; Seoul U.) ; Makino, Y (Nagoya U., ISEE) ; Matsubayashi, E (Nagoya U., ISEE) et al.
The Relativistic Heavy Ion Collider forward experiment is ready to take data in the RHIC Run2017 √s = 510 GeV p-p collisions using the LHCf Arm1 detector. New accelerator data are valuable to verify the Feynman scaling of FX1 production and to study the evolution of the break of scaling in neutron production. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 145 (2017) 10005 Fulltext: PDF;
In : 19th International Symposium on Very High Energy Cosmic Ray Interactions, Moscow, Russian Federation, 22 - 27 Aug 2016, pp.10005
7.
Measurement of Michel Parameters ($\bar\eta$, $\xi\kappa$) in the radiative leptonic decay of tau at Belle / Belle Collaboration
We present the first measurement of the Michel parameters $\bar{\eta}$ and $\xi\kappa$ in the radiative leptonic decay of the $\tau$ lepton using 703 f$\mathrm{b}^{-1}$ of data collected with the Belle detector at the KEKB $e^+e^-$ collider. The Michel parameters are measured by an unbinned maximum likelihood fit to the kinematic information of $e^+e^-\rightarrow\tau^+\tau^-\rightarrow (\pi^+\pi^0 \bar{\nu})(l^-\nu\bar{\nu}\gamma)$ $(l=e$ or $\mu)$. [...]
arXiv:1609.08280.- 2017-06-22 - 4 p. - Published in : Nucl. Part. Phys. Proc. 287-288 (2017) 11-14 Fulltext: PDF; External link: Preprint
In : The 14th International Workshop on Tau Lepton Physics (Tau2016), Beijing, China, 18 - 23 Sep 2016, pp.11-14
8.
Angular analysis of $B^0 \to K^\ast(892)^0 \ell^+ \ell^-$ / Belle Collaboration
We present a measurement of angular observables, $P_4'$, $P_5'$, $P_6'$, $P_8'$, in the decay $B^0 \to K^\ast(892)^0 \ell^+ \ell^-$, where $\ell^+\ell^-$ is either $e^+e^-$ or $\mu^+\mu^-$. [...]
arXiv:1604.04042 ; BELLE-CONF-1603 ; BELLE-CONF-1603.
- 2016. - 13 p.
Preprint - Full text
9.
Measurement of the branching ratio of $\bar{B}^0 \rightarrow D^{*+} \tau^- \bar{\nu}_{\tau}$ relative to $\bar{B}^0 \rightarrow D^{*+} \ell^- \bar{\nu}_{\ell}$ decays with a semileptonic tagging method / Belle Collaboration
We report a measurement of ratio ${\cal R}(D^*) = {\cal B}(\bar{B}^0 \rightarrow D^{*+} \tau^- \bar{\nu}_{\tau})/{\cal B}(\bar{B}^0 \rightarrow D^{*+} \ell^- \bar{\nu}_{\ell})$, where $\ell$ denotes an electron or a muon. The results are based on a data sample containing $772\times10^6$ $B\bar{B}$ pairs recorded at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. [...]
arXiv:1603.06711; BELLE-CONF-1602.- 2019-01 - 12 p. - Published in : Measurement 132 (2019) 369-376 Fulltext: PDF; External link: Preprint
In : 51st Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 12 - 19 Mar 2016, pp.369-376
10.
Energy scan of the $e^+e^- \to h_b(nP)\pi^+\pi^-$ $(n=1,2)$ cross sections and evidence for the $\Upsilon(11020)$ decays into charged bottomonium-like states / Belle Collaboration
Using data collected with the Belle detector in the energy region of the $\Upsilon(10860)$ and $\Upsilon(11020)$ resonances we measure the $e^+e^- \to h_b(nP)\pi^+\pi^-$ $(n=1,2)$ cross sections. Their energy dependences show clear $\Upsilon(10860)$ and $\Upsilon(11020)$ peaks with a small or no non-resonant contribution. [...]
arXiv:1508.06562; BELLE-CONF-1503; BELLE-CONF-1503.- 2016-09-28 - 7 p. - Published in : Phys. Rev. Lett. 117 (2016) 142001 APS Open Access article: PDF; Fulltext: PDF; External link: Rivet analyses reference

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