16,212 Works

Measurement of the ratio $\mathcal B(t \to Wb)/\mathcal B(t \to Wq)$ in pp collisions at $\sqrt{s}$ = 8 TeV

Vardan Khachatryan, Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Thomas Bergauer, Marko Dragicevic, Janos Erö, Christian Fabjan, Markus Friedl, Rudolf Fruehwirth, Vasile Mihai Ghete, Christian Hartl, Natascha Hörmann, Josef Hrubec, Manfred Jeitler, Wolfgang Kiesenhofer, Valentin Knünz, Manfred Krammer, Ilse Krätschmer, Dietrich Liko, Ivan Mikulec, Dinyar Rabady, Babak Rahbaran, Herbert Rohringer, Robert Schöfbeck … & Nathaniel Woods
CERN-LHC. The ratio of the top-quark branching fractions R = BR(TOP --> W BOTTOM)/BR(TOP --> W QUARK), where the denominator includes the sum over all down-type quarks (QUARK = BOTTOM, STRANGE, DOWN), is measured in the TOP TOPBAR dilepton final state with proton-proton collision data at sqrt(s) = 8 TeV from an integrated luminosity of 19.7 inverse femtobarns, collected with the CMS detector during 2012. In order to quantify the purity of the signal sample,...

V0 production in p+A collisions at s**(1/2) = 41.6-GeV

I. Abt, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, V. Amaral, A. Amorim, S.J. Aplin, V. Aushev, Y. Bagaturia, V. Balagura, M. Bargiotti, O. Barsukova, J. Bastos, J. Batista, C. Bauer, Th.S. Bauer, A. Belkov, Ar. Belkov, I. Belotelov, A. Bertin, B. Bobchenko, M. Bocker, A. Bogatyrev, G. Bohm … & A. Zoccoli
DESY-HERA. Measurement of the doubly differential cross section in XL and PT**2 for K0S, LAMBDA and LAMBDABAR production in proton Nucleus (C,TI,WT) collisions at incident proton energy 920 GeV corresponding to a nucleon-nucleon centreof mass energy of 41.6 GeV.

Angular Correlations in gamma Gamma ---> rho0 rho0 Near Threshold

M. Althoff, W. Braunschweig, K. Gather, F.J. Kirschfink, K. Lubelsmeyer, H.U. Martyn, G. Peise, J. Rimkus, H.G. Sander, D. Schmitz, H. Siebke, D. Trines, W. Wallraff, H. Boerner, H.M. Fischer, H. Hartmann, E. Hilger, W. Hillen, G. Knop, L. Kopke, H. Kolanoski, R. Wedemeyer, N. Wermes, M. Wollstadt, H. Burkhardt … & G. Zobernig
DESY - PETRA. TASSO COLLABORATION. ANGULAR CORRELATIONS IN GAMMA GAMMA --& gt; RHO0 RHO0 NEAR THRESHOLD. ANALYSIS OF RHO0 RHO0 PRODUCTION BY TWO PHOTONS IN THE INVARIANT MASS RANGE 1.2 TO 2.0 GEV. CONTRIBUTIONS FROM DIFFERENT SPIN-PARITY STATES DETERMINED FROM STUDY OF ANGULAR CORRELATIONS.

Measurement of deeply virtual Compton scattering and its t-dependence at HERA

F.D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, A. Asmone, A. Astvatsatourov, S. Backovic, A. Baghdasaryan, P. Baranov, E. Barrelet, W. Bartel, S. Baudrand, M. Beckingham, K. Begzsuren, O. Behnke, O. Behrendt, A. Belousov, N. Berger, J.C. Bizot, M.O. Boenig, V. Boudry, I. Bozovic-Jelisavcic, J. Bracinik … & F. Zomer
DESY-HERA. Measurement of the cross sections for elastic deeply virtual Compton scattering (DVCS) using E- P collisions recorded during the 2005 and 2006 running period with 27.6 GeV electrons and 920 GeV protons having a total integrated luminosity of 145 pb-1. The measurements cover the kinematical ranges of 6.5 to 80 GeV**2 in Q**2 and 30 to 140 GeV in W at ABS(T) & lt; 0.1.

The Gluon density of the proton at low x from a QCD analysis of F2

S. Aid, V. Andreev, B. Andrieu, R.D. Appuhn, M. Arpagaus, A. Babaev, J. Bahr, J. Ban, Y. Ban, P. Baranov, E. Barrelet, R. Barschke, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.J. Behrend, A. Belousov, Christoph Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besancon, R. Beyer, P. Biddulph … & K. Zuber
DESY-HERA. The Gluon Density of the Proton at Low x from a QCD Analysis of F2.

Search for dark photons in decays of Higgs bosons produced in association with Z bosons in proton-proton collisions at $\sqrt{s}=$ 13 TeV

Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Federico Ambrogi, Thomas Bergauer, Johannes Brandstetter, Marko Dragicevic, Janos Erö, Alberto Escalante Del Valle, Martin Flechl, Rudolf Fruehwirth, Manfred Jeitler, Natascha Krammer, Ilse Krätschmer, Dietrich Liko, Thomas Madlener, Ivan Mikulec, Navid Rad, Jochen Schieck, Robert Schöfbeck, Markus Spanring, Daniel Spitzbart, Wolfgang Waltenberger, Claudia-Elisabeth Wulz, Mateusz Zarucki … & Nathaniel Woods
A search is presented for decays of a Higgs boson to an invisible particle together with an isolated photon, using the CMS experiment at the Large Hadron Collider. The Higgs boson is produced in association with a Z boson. The analysis is performed using a dataset recorded in 2016-18 corresponding to an integrated luminosity of 137 fb-1, at a center-of-mass energy of 13 TeV. No significant excess of events above the standard model expectation is...

Search for dark photons in decays of Higgs bosons produced in association with Z bosons in proton-proton collisions at $\sqrt{s}=$ 13 TeV

Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Federico Ambrogi, Thomas Bergauer, Johannes Brandstetter, Marko Dragicevic, Janos Erö, Alberto Escalante Del Valle, Martin Flechl, Rudolf Fruehwirth, Manfred Jeitler, Natascha Krammer, Ilse Krätschmer, Dietrich Liko, Thomas Madlener, Ivan Mikulec, Navid Rad, Jochen Schieck, Robert Schöfbeck, Markus Spanring, Daniel Spitzbart, Wolfgang Waltenberger, Claudia-Elisabeth Wulz, Mateusz Zarucki … & Nathaniel Woods
A search is presented for decays of a Higgs boson to an invisible particle together with an isolated photon, using the CMS experiment at the Large Hadron Collider. The Higgs boson is produced in association with a Z boson. The analysis is performed using a dataset recorded in 2016-18 corresponding to an integrated luminosity of 137 fb-1, at a center-of-mass energy of 13 TeV. No significant excess of events above the standard model expectation is...

Production of charged pions, kaons and protons at large transverse momenta in pp and Pb–Pb collisions at $\sqrt{s_{\rm NN}}$ =2.76 TeV

Betty Bezverkhny Abelev, Jaroslav Adam, Dagmar Adamova, Madan Mohan Aggarwal, Gianluca Aglieri Rinella, Michelangelo Agnello, Andrea Agostinelli, Neelima Agrawal, Zubayer Ahammed, Nazeer Ahmad, Arshad Ahmad, Ijaz Ahmed, Sang Un Ahn, Sul-Ah Ahn, Ilaria Aimo, Salvatore Aiola, Muhammad Ajaz, Alexander Akindinov, Dmitry Aleksandrov, Bruno Alessandro, Didier Alexandre, Andrea Alici, Anton Alkin, Johan Alme, Torsten Alt … & Maksym Zyzak
CERN-LHC. Production of charged pions, kaons and (anti-)protons up to pT = 20 GeV at mid-rapidity in pp, peripheral (60-80%) and central (0-5%) Pb-Pb collisions at sqrt(sNN) = 2.76 TeV measured using the ALICE detector at the Large Hadron Collider. UPDATE (26 AUG 2014): tables extended to lower pT values corresponding to journal publication.

Pi- p ---> pi- pi- n reaction at p(pi-) = 4.45 gev/c

A.A. Kartamyshev, K.N. Mukhin, A.S. Romantseva, M.M. Sulkovskaya & A.F. Sustavov
ITEP 50CM HBC.

Measurement of elastic Upsilon photoproduction at HERA

J. Breitweg, M. Derrick, D. Krakauer, S. Magill, D. Mikunas, B. Musgrave, J. Repond, R. Stanek, R.L. Talaga, R. Yoshida, H. Zhang, M.C.K. Mattingly, F. Anselmo, P. Antonioli, G. Bari, M. Basile, L. Bellagamba, D. Boscherini, A. Bruni, G. Bruni, G. Cara Romeo, G. Castellini, L. Cifarelli, F. Cindolo, A. Contin … & W.B. Schmidke
DESY-HERA. Measurement of elastic UPSILON photoproduction in di-muon eventsfrom E+ P interactions.

Measurements of Higgs boson properties in the diphoton decay channel with 36 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV with the ATLAS detector

Morad Aaboud, Georges Aad, Brad Abbott, Ovsat Abdinov, Baptiste Abeloos, Syed Haider Abidi, Ossama AbouZeid, Nicola Abraham, Halina Abramowicz, Henso Abreu, Yiming Abulaiti, Bobby Samir Acharya, Shunsuke Adachi, Leszek Adamczyk, Jahred Adelman, Michael Adersberger, Tim Adye, Tony Affolder, Yoav Afik, Catalin Agheorghiesei, Juan Antonio Aguilar-Saavedra, Steven Ahlen, Faig Ahmadov, Giulio Aielli, Shunichi Akatsuka … & Lukasz Zwalinski
Measurements of cross sections and differential distributions for Higgs production in the diphoton channel are presented based on 36.1 fb-1 proton-proton collisions at sqrt(s)=13 TeV.

Measurements of Higgs boson properties in the diphoton decay channel with 36 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV with the ATLAS detector

Morad Aaboud, Georges Aad, Brad Abbott, Ovsat Abdinov, Baptiste Abeloos, Syed Haider Abidi, Ossama AbouZeid, Nicola Abraham, Halina Abramowicz, Henso Abreu, Yiming Abulaiti, Bobby Samir Acharya, Shunsuke Adachi, Leszek Adamczyk, Jahred Adelman, Michael Adersberger, Tim Adye, Tony Affolder, Yoav Afik, Catalin Agheorghiesei, Juan Antonio Aguilar-Saavedra, Steven Ahlen, Faig Ahmadov, Giulio Aielli, Shunichi Akatsuka … & Lukasz Zwalinski
Measurements of cross sections and differential distributions for Higgs production in the diphoton channel are presented based on 36.1 fb-1 proton-proton collisions at sqrt(s)=13 TeV.

Measurement of differential cross sections for top quark pair production using the lepton+jets final state in proton-proton collisions at 13 TeV

Vardan Khachatryan, Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Ece Aşılar, Thomas Bergauer, Johannes Brandstetter, Erica Brondolin, Marko Dragicevic, Janos Erö, Martin Flechl, Markus Friedl, Rudolf Fruehwirth, Vasile Mihai Ghete, Christian Hartl, Natascha Hörmann, Josef Hrubec, Manfred Jeitler, Axel König, Ilse Krätschmer, Dietrich Liko, Takashi Matsushita, Ivan Mikulec, Dinyar Rabady, Navid Rad … & Nathaniel Woods
Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at 13 TeV are measured as a function of jet multiplicity and of kinematic variables of the top quarks and the top quark-antiquark system. This analysis is based on data collected by the CMS experiment at the LHC corresponding to an integrated luminosity of 2.3/fb. The measurements are performed in the lepton+jets decay channels with a single muon or electron...

Measurement of differential cross sections for top quark pair production using the lepton+jets final state in proton-proton collisions at 13 TeV

Vardan Khachatryan, Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Ece Aşılar, Thomas Bergauer, Johannes Brandstetter, Erica Brondolin, Marko Dragicevic, Janos Erö, Martin Flechl, Markus Friedl, Rudolf Fruehwirth, Vasile Mihai Ghete, Christian Hartl, Natascha Hörmann, Josef Hrubec, Manfred Jeitler, Axel König, Ilse Krätschmer, Dietrich Liko, Takashi Matsushita, Ivan Mikulec, Dinyar Rabady, Navid Rad … & Nathaniel Woods
Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at 13 TeV are measured as a function of jet multiplicity and of kinematic variables of the top quarks and the top quark-antiquark system. This analysis is based on data collected by the CMS experiment at the LHC corresponding to an integrated luminosity of 2.3/fb. The measurements are performed in the lepton+jets decay channels with a single muon or electron...

Positive pion - proton elastic scattering at 895-MeV/c, 945-MeV c, 995-MeV/c, and 1040-MeV/c

S.L. Baker, P.J. Dornan, G.P. Gopal, G.J. Webster, V.A. Bull, P.V. March, V. Tayler & D.W. Townsend
THE FOLLOWING COMMENTS ARE TAKEN FROM THE PI N COMPILATION OF R.L. KELLY. THEY ARE THAT COMPILATION& apos;S COMPLETE SET OF COMMENTS FOR PAPERS RELATED TO THE SAME EXPERIMENT (DESIGNATED BAKER70) AS THE CURRENT PAPER. (THE IDENTIFIER PRECEDING THE REFERENCE AND COMMENT FOR EACH PAPER IS FOR CROSS-REFERENCING WITHIN THESE COMMENTS ONLY AND DOES NOT NECESSARILY AGREE WITH THE SHORT CODE USED ELSEWHERE IN THE PRESENT COMPILATION.) /// BAKER70 [S. L. BAKER,NP B18,29(1970)] -- PI+P...

Investigations of anisotropic flow using multi-particle azimuthal correlations in pp, p-Pb, Xe-Xe, and Pb-Pb collisions at the LHC

Shreyasi Acharya, Dagmar Adamova, Souvik Priyam Adhya, Alexander Adler, Jonatan Adolfsson, Madan Mohan Aggarwal, Gianluca Aglieri Rinella, Michelangelo Agnello, Neelima Agrawal, Zubayer Ahammed, Shakeel Ahmad, Sang Un Ahn, Salvatore Aiola, Alexander Akindinov, Mohammad Al-Turany, Sk Noor Alam, Danilo Silva De Albuquerque, Dmitry Aleksandrov, Bruno Alessandro, Haidar Mas'ud Alfanda, Jose Ruben Alfaro Molina, Bushra Ali, Yasir Ali, Andrea Alici, Anton Alkin … & Nicola Zurlo
We report measurements of anisotropic flow coefficients ($v_n$) and their cross-correlations using two- and multi-particle cumulant methods in collisions of pp at $\sqrt{s} = 13$ TeV, p--Pb at $\sqrt{s_{_{\rm NN}}} = 5.02$ TeV, Xe--Xe at $\sqrt{s_{_{\rm NN}}} = 5.44$ TeV, and Pb--Pb at $\sqrt{s_{_{\rm NN}}} = 5.02$ TeV recorded with the ALICE detector. These measurements are performed as a function of multiplicity in the mid-rapidity region $|\eta|<0.8$ for the transverse momentum range $0.2 < p_{\rm...

Investigations of anisotropic flow using multi-particle azimuthal correlations in pp, p-Pb, Xe-Xe, and Pb-Pb collisions at the LHC

Shreyasi Acharya, Dagmar Adamova, Souvik Priyam Adhya, Alexander Adler, Jonatan Adolfsson, Madan Mohan Aggarwal, Gianluca Aglieri Rinella, Michelangelo Agnello, Neelima Agrawal, Zubayer Ahammed, Shakeel Ahmad, Sang Un Ahn, Salvatore Aiola, Alexander Akindinov, Mohammad Al-Turany, Sk Noor Alam, Danilo Silva De Albuquerque, Dmitry Aleksandrov, Bruno Alessandro, Haidar Mas'ud Alfanda, Jose Ruben Alfaro Molina, Bushra Ali, Yasir Ali, Andrea Alici, Anton Alkin … & Nicola Zurlo
We report measurements of anisotropic flow coefficients ($v_n$) and their cross-correlations using two- and multi-particle cumulant methods in collisions of pp at $\sqrt{s} = 13$ TeV, p--Pb at $\sqrt{s_{_{\rm NN}}} = 5.02$ TeV, Xe--Xe at $\sqrt{s_{_{\rm NN}}} = 5.44$ TeV, and Pb--Pb at $\sqrt{s_{_{\rm NN}}} = 5.02$ TeV recorded with the ALICE detector. These measurements are performed as a function of multiplicity in the mid-rapidity region $|\eta|<0.8$ for the transverse momentum range $0.2 < p_{\rm...

psi-prime production in Pb-Pb collisions at 158-GeV/nucleon

B. Alessandro, C. Alexa, R. Arnaldi, M. Atayan, S. Beole, V. Boldea, P. Bordalo, G. Borges, J. Castor, B. Chaurand, B. Cheynis, E. Chiavassa, C. Cicalo, M.P. Comets, S. Constantinescu, P. Cortese, A. De Falco, N. De Marco, G. Dellacasa, A. Devaux, S. Dita, O. Drapier, J. Fargeix, P. Force, M. Gallio … & N. Willis
CERN-SPS. PSI(3685) production in Pb-Pb colisions at 158 GeV/nucleon Incertitude are R.M.S. from fit.RE = PB PB --> J/PSI X.

Pion - deuteron elastic scattering at large angles from 0.90-GeV/c to 2.025-GeV/c

B.M. Abramov, Sergey A. Bulychjov, B.L. Druzhinin, I.A. Dukhovskoi, V.S. Fedorets, V.V. Kishkurno, L.A. Kondratyuk, Yu.S. Krestinikov, A.P. Krutenkova, V.V. Kulikov, V.F. Kuzichev, M.A. Matsyuk, P.A. Murat, S.V. Proshin, I.A. Radkevich, N.G. Tkach, E.N. Turdakina & L.S. Bagdasaryan
SUBMITTED TO NUCL.PHYS.

The Dominance of Jets at Large Transverse Energy in a Full Azimuth Hadron Calorimeter at {ISR} Energies

T. Akesson, M.G. Albrow, S. Almehed, R. Batley, O. Benary, O. Botner, H. Boggild, H. Breuker, H. Brody, V. Burkert, A.A. Carter, J.R. Carter, P. Cecil, W.E. Cleland, S.U. Chung, D. Cockerill, S. Dagan, E. Dahl-Jensen, I. Dahl-Jensen, P. Dam, G. Damgaard, S. Eidelman, W.M. Evans, C.W. Fabjan, P. Frandsen … & W.A. Zajc
SQRT(S)=30,45,63GEV. COUNTER DATA FROM THE AXIAL SPECTROMETER GROUP AT THE CERN ISR. EVENTS WITH LARGE TRANVERSE ENERGY WITH FULL AZIMUTHAL COVERAGE AND YRAP& lt;0.9 . CLEAR EVIDENCE FOR JETS IS CLAIMED AT SQRT(S)=45,63. DATA SENT BY MIKE ALBROW.

Measurements of angular distributions of differential cross-sections and analyzing powers of the reaction polarized p p ---> d pi+ between 1.3-GeV and 2.4-GeV

J. Yonnet, R. Abegg, M. Boivin, A. Boudard, G. Bruge, P. Couvert, G. Gaillard, M. Garcon, L.G. Greeniaus, D.A. Hutcheon, C. Kerboul & B. Mayer
A VERTICALLY POLARIZED PROTON BEAM.

Centrality and pseudorapidity dependence of the charged-particle multiplicity density in Xe–Xe collisions at $\sqrt{s_{\rm NN}}$ =5.44TeV

Shreyasi Acharya, Fernando Torales-Acosta, Dagmar Adamova, Jonatan Adolfsson, Madan Mohan Aggarwal, Gianluca Aglieri Rinella, Michelangelo Agnello, Neelima Agrawal, Zubayer Ahammed, Sang Un Ahn, Salvatore Aiola, Alexander Akindinov, Mohammad Al-Turany, Sk Noor Alam, Danilo Silva De Albuquerque, Dmitry Aleksandrov, Bruno Alessandro, Jose Ruben Alfaro Molina, Yasir Ali, Andrea Alici, Anton Alkin, Johan Alme, Torsten Alt, Lucas Altenkamper, Igor Altsybeev … & Shuguang Zou
CERN-LHC. The charged-particle pseudorapidity density in Xe--Xe collisions at $\sqrt{s_{_{\mathrm{NN}}}} = 5.44\,\mathrm{TeV}$ in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from $-3.5$ to $5$. The distributions of $\mathrm{d}N_\mathrm{ch}/\mathrm{d}\eta$, the densities of the distributions at mid-rapidity and $N^\mathrm{tot}_\mathrm{ch}$ are presented.

Centrality and pseudorapidity dependence of the charged-particle multiplicity density in Xe–Xe collisions at $\sqrt{s_{\rm NN}}$ =5.44TeV

Shreyasi Acharya, Fernando Torales-Acosta, Dagmar Adamova, Jonatan Adolfsson, Madan Mohan Aggarwal, Gianluca Aglieri Rinella, Michelangelo Agnello, Neelima Agrawal, Zubayer Ahammed, Sang Un Ahn, Salvatore Aiola, Alexander Akindinov, Mohammad Al-Turany, Sk Noor Alam, Danilo Silva De Albuquerque, Dmitry Aleksandrov, Bruno Alessandro, Jose Ruben Alfaro Molina, Yasir Ali, Andrea Alici, Anton Alkin, Johan Alme, Torsten Alt, Lucas Altenkamper, Igor Altsybeev … & Shuguang Zou
CERN-LHC. The charged-particle pseudorapidity density in Xe--Xe collisions at $\sqrt{s_{_{\mathrm{NN}}}} = 5.44\,\mathrm{TeV}$ in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from $-3.5$ to $5$. The distributions of $\mathrm{d}N_\mathrm{ch}/\mathrm{d}\eta$, the densities of the distributions at mid-rapidity and $N^\mathrm{tot}_\mathrm{ch}$ are presented.

Experimental Study of the Orientation of Three Jet Events in $e^+ e^-$ Annihilation at {PETRA}

W. Braunschweig, R. Gerhards, F.J. Kirschfink, H.U. Martyn, H.M. Fischer, H. Hartmann, J. Hartmann, E. Hilger, A. Jocksch, R. Wedemeyer, B. Foster, A.J. Martin, F. Barreiro, E. Bernardi, J. Chwastowski, A. Eskreys, K. Gather, K. Genser, H. Hultschig, P. Joos, Jurgen G. Korner, H. Kowalski, A. Ladage, B. Lohr, D. Luke … & G. Zobernig
The full TASSO data have been used to study the orientation of three-jet events in e+ e- annihilation. The polar angle distributions of the normal to the three-jet plane as well as the polar angle distribution of the most energetic jet have been measured as a function of the thrust cut-off used to select the three-jet sample. The data corrected for radiation and detector effects are compared to QCD predictions and fair agreement is found....

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