نتایج جستجو برای: baryon production

تعداد نتایج: 612534  

2004
Julia Velkovska

The experimental data for identified hadron spectra from pp, d+A and AA collisions are reviewed. Three regions with different dominant production mechanisms are considered: soft region (pT < 2 GeV/c) – with large degree of collectivity and thermalization, hard particle production which exhibits jet-quenching in Au+Au collisions at RHIC and intermediate region (2< pT <5 GeV/c) with distinct bary...

2011
A. PALS

An attempt is made to study the symmetry properties of the strong baryon-meson couplingswithout using arguments concerning the origin of the baryon mass differences. It is shown that too high a symmetry is incompatible with associated production experiments. The argument is independent of perturbation theory. It is assumed that the Z and h have the same spin, that the (Z,h.) parity is even, and...

2008
Zhong-Juan Yang Tao Yao

We study the inclusive production of doubly heavy baryon Ξcc at polarized photon collider. Our results show that proper choice of the initial beam polarizations may increase the production rate of Ξcc approximately 10%.

2008
A. V. Anisovich

Partial wave scattering amplitudes in nucleon-nucleon collisions and amplitudes for the production and decay of baryon resonances are constructed in the framework of the spin-momentum operator expansion method. The approach is relativistically invariant and it allows us to perform combined analyses of different reactions imposing analyticity and unitarity directly. The role of final state inter...

2001
Carsten Greiner

This talk is devoted to review the field of strangeness production in (ultra-)relativistic heavy ion collisions within our present theoretical understanding. Historically there have been (at least) three major ideas for the interest in the production of strange hadronic particles: (1) mass modification of the kaons in a (baryon-)dense environment; (2) (early) K-production probes the nuclear equ...

2006
F. Bopp

The process of baryon number transfer due to string junction propagation in rapidity space is considered. It leads to a significant effect in the net baryon production in pA collisions at mid-rapidities and an even more significant effect in the forward hemisphere for the cases of πA interactions. The results of numerical calculations in the framework of the Quark-Gluon String Model are in reas...

Journal: :Physical review letters 2017
R Aaij B Adeva M Adinolfi Z Ajaltouni S Akar J Albrecht F Alessio M Alexander A Alfonso Albero S Ali G Alkhazov P Alvarez Cartelle A A Alves S Amato S Amerio Y Amhis L An L Anderlini G Andreassi M Andreotti J E Andrews R B Appleby F Archilli P d'Argent J Arnau Romeu A Artamonov M Artuso E Aslanides G Auriemma M Baalouch I Babuschkin S Bachmann J J Back A Badalov C Baesso S Baker V Balagura W Baldini A Baranov R J Barlow C Barschel S Barsuk W Barter F Baryshnikov V Batozskaya V Battista A Bay L Beaucourt J Beddow F Bedeschi I Bediaga A Beiter L J Bel N Beliy V Bellee N Belloli K Belous I Belyaev E Ben-Haim G Bencivenni S Benson S Beranek A Berezhnoy R Bernet D Berninghoff E Bertholet A Bertolin C Betancourt F Betti M-O Bettler M van Beuzekom Ia Bezshyiko S Bifani P Billoir A Birnkraut A Bitadze A Bizzeti M Bjørn T Blake F Blanc J Blouw S Blusk V Bocci T Boettcher A Bondar N Bondar W Bonivento I Bordyuzhin A Borgheresi S Borghi M Borisyak M Borsato F Bossu M Boubdir T J V Bowcock E Bowen C Bozzi S Braun T Britton J Brodzicka D Brundu E Buchanan C Burr A Bursche J Buytaert W Byczynski S Cadeddu H Cai R Calabrese R Calladine M Calvi M Calvo Gomez A Camboni P Campana D H Campora Perez L Capriotti A Carbone G Carboni R Cardinale A Cardini P Carniti L Carson K Carvalho Akiba G Casse L Cassina L Castillo Garcia M Cattaneo G Cavallero R Cenci D Chamont M Charles Ph Charpentier G Chatzikonstantinidis M Chefdeville S Chen S F Cheung S-G Chitic V Chobanova M Chrzaszcz A Chubykin P Ciambrone X Cid Vidal G Ciezarek P E L Clarke M Clemencic H V Cliff J Closier J Cogan E Cogneras V Cogoni L Cojocariu P Collins T Colombo A Comerma-Montells A Contu A Cook G Coombs S Coquereau G Corti M Corvo C M Costa Sobral B Couturier G A Cowan D C Craik A Crocombe M Cruz Torres R Currie C D'Ambrosio F Da Cunha Marinho E Dall'Occo J Dalseno A Davis O De Aguiar Francisco S De Capua M De Cian J M De Miranda L De Paula M De Serio P De Simone C T Dean D Decamp L Del Buono H-P Dembinski M Demmer A Dendek D Derkach O Deschamps F Dettori B Dey A Di Canto P Di Nezza H Dijkstra F Dordei M Dorigo A Dosil Suárez L Douglas A Dovbnya K Dreimanis L Dufour G Dujany P Durante R Dzhelyadin M Dziewiecki A Dziurda A Dzyuba S Easo M Ebert U Egede V Egorychev S Eidelman S Eisenhardt U Eitschberger R Ekelhof L Eklund S Ely S Esen H M Evans T Evans A Falabella N Farley S Farry D Fazzini L Federici D Ferguson G Fernandez P Fernandez Declara A Fernandez Prieto F Ferrari F Ferreira Rodrigues M Ferro-Luzzi S Filippov R A Fini M Fiore M Fiorini M Firlej C Fitzpatrick T Fiutowski F Fleuret K Fohl M Fontana F Fontanelli D C Forshaw R Forty V Franco Lima M Frank C Frei J Fu W Funk E Furfaro C Färber E Gabriel A Gallas Torreira D Galli S Gallorini S Gambetta M Gandelman P Gandini Y Gao L M Garcia Martin J García Pardiñas J Garra Tico L Garrido P J Garsed D Gascon C Gaspar L Gavardi G Gazzoni D Gerick E Gersabeck M Gersabeck T Gershon Ph Ghez S Gianì V Gibson O G Girard L Giubega K Gizdov V V Gligorov D Golubkov A Golutvin A Gomes I V Gorelov C Gotti E Govorkova J P Grabowski R Graciani Diaz L A Granado Cardoso E Graugés E Graverini G Graziani A Grecu R Greim P Griffith L Grillo L Gruber B R Gruberg Cazon O Grünberg E Gushchin Yu Guz T Gys C Göbel T Hadavizadeh C Hadjivasiliou G Haefeli C Haen S C Haines B Hamilton X Han T H Hancock S Hansmann-Menzemer N Harnew S T Harnew J Harrison C Hasse M Hatch J He M Hecker K Heinicke A Heister K Hennessy P Henrard L Henry E van Herwijnen M Heß A Hicheur D Hill C Hombach P H Hopchev Z C Huard W Hulsbergen T Humair M Hushchyn D Hutchcroft P Ibis M Idzik P Ilten R Jacobsson J Jalocha E Jans A Jawahery F Jiang M John D Johnson C R Jones C Joram B Jost N Jurik S Kandybei M Karacson J M Kariuki S Karodia N Kazeev M Kecke M Kelsey M Kenzie T Ketel E Khairullin B Khanji C Khurewathanakul T Kirn S Klaver K Klimaszewski T Klimkovich S Koliiev M Kolpin I Komarov R Kopecna P Koppenburg A Kosmyntseva S Kotriakhova M Kozeiha L Kravchuk M Kreps P Krokovny F Kruse W Krzemien W Kucewicz M Kucharczyk V Kudryavtsev A K Kuonen K Kurek T Kvaratskheliya D Lacarrere G Lafferty A Lai G Lanfranchi C Langenbruch T Latham C Lazzeroni R Le Gac A Leflat J Lefrançois R Lefèvre F Lemaitre E Lemos Cid O Leroy T Lesiak B Leverington P-R Li T Li Y Li Z Li T Likhomanenko R Lindner F Lionetto V Lisovskyi X Liu D Loh A Loi I Longstaff J H Lopes D Lucchesi M Lucio Martinez H Luo A Lupato E Luppi O Lupton A Lusiani X Lyu F Machefert F Maciuc V Macko P Mackowiak S Maddrell-Mander O Maev K Maguire D Maisuzenko M W Majewski S Malde A Malinin T Maltsev G Manca G Mancinelli P Manning D Marangotto J Maratas J F Marchand U Marconi C Marin Benito M Marinangeli P Marino J Marks G Martellotti M Martin M Martinelli D Martinez Santos F Martinez Vidal D Martins Tostes L M Massacrier A Massafferri R Matev A Mathad Z Mathe C Matteuzzi A Mauri E Maurice B Maurin A Mazurov M McCann A McNab R McNulty J V Mead B Meadows C Meaux F Meier N Meinert D Melnychuk M Merk A Merli E Michielin D A Milanes E Millard M-N Minard L Minzoni D S Mitzel A Mogini J Molina Rodriguez T Mombacher I A Monroy S Monteil M Morandin M J Morello O Morgunova J Moron A B Morris R Mountain F Muheim M Mulder D Müller J Müller K Müller V Müller P Naik T Nakada R Nandakumar A Nandi I Nasteva M Needham N Neri S Neubert

A search for baryon-number violating Ξ_{b}^{0} oscillations is performed with a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 3  fb^{-1}. The baryon number at the moment of production is identified by requiring that the Ξ_{b}^{0} come from the decay of a resonance Ξ_{b}^{*-}→Ξ_{b}^{0}π^{-} or Ξ_{b}^{'-}→Ξ_{b}^{0}π^{-}, and the baryon n...

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