Strange particle production in pp collisions at $ \sqrt {s} = 0.9 $ and 7 TeV

  title={Strange particle production in pp collisions at \$ \sqrt \{s\} = 0.9 \$ and 7 TeV},
  author={V. Khachatryan and A. M. Sirunyan and A. Tumasyan and W. Adam and T. Bergauer and M. Dragicevic and J. Er{\"o} and C. Fabjan and M. Friedl and R. Fr{\"u}hwirth and V. M. Ghete and J. Hammer and S. H{\"a}nsel and C. Hartl and M. Hoch and N. H{\"o}rmann and J. Hrubec and M. Jeitler and G. Kasieczka and W. Kiesenhofer and M. Krammer and D. Liko and I. Mikulec and M. Pernicka and H. Rohringer and R. Sch{\"o}fbeck and J. Strauss and A. Taurok and F. Teischinger and P. Wagner and W. Waltenberger and G. Walzel and E. Widl and C.-E. Wulz and V. Mossolov and N. Shumeiko and J. Suarez Gonzalez and L. Benucci and K. Cerny and E. A. De Wolf and X. Janssen and T. Maes and L. Mucibello and S. Ochesanu and B. Roland and R. Rougny and M. Selvaggi and H. Van Haevermaet and P. Van Mechelen and N. Van Remortel and S. Beauceron and F. Blekman and S. Blyweert and J. D’Hondt and O. Devroede and R. Gonzalez Suarez and A. Kalogeropoulos and J. Maes and M. Maes and S. Tavernier and W. Van Doninck and P. Van Mulders and G. P. Van Onsem and I. Villella and O. Charaf and B. Clerbaux and G. De Lentdecker and V. Dero and A. P. R. Gay and G. H. Hammad and T. Hreus and P. E. Marage and L. Thomas and C. Vander Velde and P. Vanlaer and J. Wickens and V. Adler and S. Costantini and M. Grunewald and B. Klein and A. Marinov and J. Mccartin and D. Ryckbosch and F. Thyssen and M. Tytgat and L. Vanelderen and P. Verwilligen and S. Walsh and N. Zaganidis and S. Basegmez and G. Bruno and J. Caudron and L. Ceard and J. De Favereau De Jeneret and C. Delaere and P. Demin and D. Favart and A. Giammanco and G. Gr{\'e}goire and J. Hollar and V. Lemaitre and J. Liao and O. Militaru and S. Ovyn and D. Pagano and A. Pin and K. Piotrzkowski and N. Schul and N. Beliy and T. Caebergs and E. Daubie and G. A. Alves and D. De Jesus Damiao and M. E. Pol and M. H. G. Souza and W. Carvalho and E. M. Da Costa and C. De Oliveira Martins and S. Fonseca De Souza and L. Mundim and H. Nogima and V. Oguri and W. L. Prado Da Silva and A. Santoro and S. M. Silva Do Amaral and A. Sznajder and F. Torres Da Silva De Araujo and F. A. Dias and M. A. F. Dias and T. R. Fernandez Perez Tomei and E. M. Gregores and F. Marinho and S. F. Novaes and Sandra S. Padula and N. Darmenov and L. Dimitrov and V. Genchev and P. Iaydjiev and S. Piperov and M. Rodozov and S. Stoykova and G. Sultanov and V. Tcholakov and R. Trayanov and I. Vankov and M. Dyulendarova and R. Hadjiiska and V. Kozhuharov and L. Litov and E. Marinova and M. Mateev and B. Pavlov and P. Petkov and J. G. Bian and G. M. Chen and H. S. Chen and C. H. Jiang and D. Liang and S. Liang and J. Wang and X. Wang and Z. Wang and M. Xu and M. Yang and J. Zang and Z. Zhang and Y. Ban and S. Guo and Y. Guo and W. Li and Y. Mao and S. J. Qian and H. Teng and L. Zhang and B. Zhu and W. Zou and A. Cabrera and B. Gomez Moreno and A. A. Ocampo Rios and A. F. Osorio Oliveros and J. C. Sanabria and N. Godinovic and D. Lelas and K. Lelas and R. Plestina and D. Polic and I. Puljak and Z. Antunovic and M. Dzelalija and V. Brigljevic and S. Duric and K. Kadija and S. Morovic and A. Attikis and M. Galanti and J. Mousa and C. Nicolaou and F. Ptochos and P. A. Razis and H. Rykaczewski and M. Finger and Y. Assran and M. A. Mahmoud and A. Hektor and M. Kadastik and K. Kannike and M. M{\"u}ntel and M. Raidal and L. Rebane and V. Azzolini and P. Eerola and S. Czellar and J. H{\"a}rk{\"o}nen and A. Heikkinen and V. Karim{\"a}ki and R. Kinnunen and J. Klem and M. J. Kortelainen and T. Lamp{\'e}n and K. Lassila-Perini and S. Lehti and T. Lind{\'e}n and P. Luukka and T. M{\"a}enp{\"a}{\"a} and E. Tuominen and J. Tuominiemi and E. Tuovinen and D. Ungaro and L. Wendland and K. Banzuzi and A. Korpela and T. Tuuva and D. Sillou and M. Besancon and S. Choudhury and M. Dejardin and D. Denegri and B. Fabbro and J. L. Faure and F. Ferri and S. Ganjour and F. X. Gentit and A. Givernaud and P. Gras and G. Hamel de Monchenault and P. Jarry and E. Locci and J. Malcles and M. Marionneau and L. Millischer and J. Rander and A. Rosowsky and I. Shreyber and M. Titov and P. Verrecchia and S. Baffioni and F. Beaudette and L. Bianchini and M. Bluj and C. Broutin and P. Busson and C. Charlot and T. Dahms and L. Dobrzynski and R. Granier de Cassagnac and M. Haguenauer and P. Min{\'e} and C. Mironov and C. Ochando and P. Paganini and D. Sabes and R. Salerno and Y. Sirois and C. Thiebaux and B. Wyslouch and A. Zabi and J.-L. Agram and J. Andrea and A. Besson and D. Bloch and D. Bodin and J.-M. Brom and M. Cardaci and E. C. Chabert and C. Collard and E. Conte and F. Drouhin and C. Ferro and J.-C. Fontaine and D. Gel{\'e} and U. Goerlach and S. Greder and P. Juillot and M. Karim and A.-C. Le Bihan and Y. Mikami and P. Van Hove and F. Fassi and D. Mercier and C. Baty and N. Beaupere and M. Bedjidian and O. Bondu and G. Boudoul and D. Boumediene and H. Brun and N. Chanon and R. Chierici and D. Contardo and P. Depasse and H. El Mamouni and A. Falkiewicz and J. Fay and S. Gascon and B. Ille and T. Kurca and T. Le Grand and M. Lethuillier and L. Mirabito and S. Perries and V. Sordini and S. Tosi and Y. Tschudi and P. Verdier and H. Xiao and L. Megrelidze and V. Roinishvili and D. Lomidze and G. Anagnostou and M. Edelhoff and L. Feld and N. Heracleous and O. Hindrichs and R. Jussen and K. Klein and J. Merz and N. Mohr and A. Ostapchuk and A. Perieanu and F. Raupach and J. Sammet and S. Schael and D. Sprenger and H. Weber and M. Weber and B. Wittmer and M. Ata and W. Bender and M. Erdmann and J. Frangenheim and T. Hebbeker and A. Hinzmann and K. Hoepfner and C. Hof and T. Klimkovich and D. Klingebiel and P. Kreuzer and D. Lanske and C. Magass and G. Masetti and M. Merschmeyer and A. Meyer and P. Papacz and H. Pieta and H. Reithler and S. A. Schmitz and L. Sonnenschein and J. Steggemann and D. Teyssier and M. Bontenackels and M. Davids and M. Duda and G. Fl{\"u}gge and H. Geenen and M. Giffels and W. Haj Ah-mad and D. Heydhausen and T. Kress and Y. Kuessel and A. Linn and A. Nowack and L. Perchalla and O. Pooth and J. Rennefeld and P. Sauerland and A. Stahl and M. Thomas and D. Tornier and M. H. Zoeller and M. Aldaya Martin and W. Behrenhoff and U. Behrens and M. Bergholz and K. Borras and A. Cakir and A. Campbell and E. Castro and D. Dammann and G. Eckerlin and D. Eckstein and A. Flossdorf and G. Flucke and A. Geiser and I. Glushkov and J. Hauk and H. Jung and M. Kasemann and I. Katkov and P. Katsas and C. Kleinwort and H. Kluge and A. Knutsson and D. Kr{\"u}cker and E. Kuznetsova and W. Lange and W. Lohmann and R. Mankel and M. Marienfeld and I.-A. Melzer-Pellmann and A. B. Meyer and J. Mnich and A. Mussgiller and J. Olzem and A. Parenti and A. Raspereza and A. Raval and R. Schmidt and T. Schoerner-Sadenius and N. Sen and M. Stein and J. Tomaszewska and D. Volyanskyy and R. Walsh and C. Wissing and C. Autermann and S. Bobrovskyi and J. Draeger and H. Enderle and U. Gebbert and K. Kaschube and G. Kaussen and R. Klanner and J. Lange and B. Mura and S. Naumann-Emme and F. Nowak and N. Pietsch and C. Sander and H. Schettler and P. Schleper and M. Schr{\"o}der and T. Schum and J. Schwandt and A. K. Srivastava and H. Stadie and G. Steinbr{\"u}ck and J. Thomsen and R. Wolf and C. Barth and J. Bauer and V. Buege and T. Chwalek and W. De Boer and A. Dierlamm and G. Dirkes and M. Feindt and J. Gruschke and C. Hackstein and F. Hartmann and S. M. Heindl and M. Heinrich and H. Held and K. H. Hoffmann and S. Honc and T. Kuhr and D. Martschei and S. Mueller and Th. M{\"u}ller and M. Niegel and O. Oberst and A. Oehler and J. Ott and T. Peiffer and D. Piparo and G. Quast and K. Rabbertz and F. Ratnikov and M. Renz and C. Saout and A. Scheurer and P. Schieferdecker and F.-P. Schilling and G. Schott and H. J. Simonis and F. M. Stober and D. Troendle and J. Wagner-Kuhr and M. Zeise and V. Zhukov and E. B. Ziebarth},
  journal={Journal of High Energy Physics},
The spectra of strange hadrons are measured in proton-proton collisions, recorded by the CMS experiment at the CERN LHC, at centre-of-mass energies of 0.9 and 7 TeV. The $ {\text{K}}_{\text{S}}^0 $, Λ, and Ξ− particles and their antiparticles are reconstructed from their decay topologies and the production rates are measured as functions of rapidity and transverse momentum, pT. The results are compared to other experiments and to predictions of the Pythia Monte Carlo program. The pT… CONTINUE READING


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