نتایج جستجو برای: hadron parity

تعداد نتایج: 42526  

2002
Alexandre Alves Oscar Éboli Tilman Plehn

At hadron colliders, the search for R-parity violating supersymmetry can probe scalar masses beyond what is covered by pair production processes. We evaluate the next-toleading order SUSY-QCD corrections to the associated stop or sbottom production with a lepton through R-parity violating interactions. We show that higher order corrections render the theoretical predictions more stable with res...

2012
G. Aad B. Abbott J. Abdallah A. A. Abdelalim A. Abdesselam O. Abdinov B. Abi M. Abolins H. Abramowicz H. Abreu E. Acerbi B. S. Acharya D. L. Adams T. N. Addy J. Adelman S. Adomeit P. Adragna T. Adye S. Aefsky J. A. Aguilar-Saavedra M. Aharrouche S. P. Ahlen F. Ahles A. Ahmad M. Ahsan G. Aielli T. Akdogan T. P. A. Åkesson G. Akimoto A. V. Akimov A. Akiyama A. Aktas M. S. Alam M. A. Alam S. Albrand M. Aleksa I. N. Aleksandrov M. Aleppo F. Alessandria C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob M. Aliev G. Alimonti J. Alison M. Aliyev P. P. Allport S. E. Allwood-Spiers J. Almond A. Aloisio R. Alon A. Alonso M. G. Alviggi K. Amako C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos T. Andeen C. F. Anders K. J. Anderson A. Andreazza V. Andrei X. S. Anduaga A. Angerami F. Anghinolfi N. Anjos A. Annovi A. Antonaki M. Antonelli S. Antonelli A. Antonov J. Antos F. Anulli S. Aoun L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai A. T. H. Arce J. P. Archambault S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov M. Asai S. Asai R. Asfandiyarov S. Ask B. Åsman D. Asner L. Asquith K. Assamagan A. Astbury A. Astvatsatourov G. Atoian B. Aubert E. Auge K. Augsten M. Aurousseau N. Austin G. Avolio R. Avramidou D. Axen G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas G. Bachy M. Backes M. Backhaus E. Badescu P. Bagnaia S. Bahinipati Y. Bai D. C. Bailey T. Bain J. T. Baines O. K. Baker M. D. Baker S. Baker F. Baltasar Dos Santos Pedrosa E. Banas P. Banerjee Sw. Banerjee D. Banfi A. Bangert V. Bansal H. S. Bansil L. Barak S. P. Baranov A. Barbaro Galtieri T. Barber E. L. Barberio D. Barberis M. Barbero D. Y. Bardin T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett A. Baroncelli A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa P. Barrillon R. Bartoldus A. E. Barton D. Bartsch V. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Battistin G. Battistoni F. Bauer H. S. Bawa B. Beare T. Beau P. H. Beauchemin R. Beccherle P. Bechtle G. A. Beck H. P. Beck M. Beckingham K. H. Becks A. J. Beddall A. Beddall S. Bedikian V. A. Bednyakov C. P. Bee M. Begel S. Behar Harpaz P. K. Behera M. Beimforde C. Belanger-Champagne P. J. Bell W. H. Bell G. Bella L. Bellagamba F. Bellina G. Bellomo M. Bellomo A. Belloni O. Beloborodova K. Belotskiy O. Beltramello S. Ben Ami O. Benary D. Benchekroun C. Benchouk M. Bendel B. H. Benedict N. Benekos Y. Benhammou D. P. Benjamin M. Benoit J. R. Bensinger K. Benslama S. Bentvelsen M. Beretta D. Berge E. Bergeaas Kuutmann N. Berger F. Berghaus E. Berglund J. Beringer K. Bernardet P. Bernat R. Bernhard C. Bernius T. Berry A. Bertin F. Bertolucci M. I. Besana N. Besson S. Bethke W. Bhimji R. M. Bianchi M. Bianco O. Biebel S. P. Bieniek J. Biesiada M. Biglietti H. Bilokon M. Bindi S. Binet A. Bingul C. Bini C. Biscarat U. Bitenc K. M. Black R. E. Blair J.-B. Blanchard G. Blanchot C. Blocker J. Blocki A. Blondel W. Blum U. Blumenschein G. J. Bobbink V. B. Bobrovnikov S. S. Bocchetta A. Bocci C. R. Boddy M. Boehler J. Boek N. Boelaert S. Böser J. A. Bogaerts A. Bogdanchikov A. Bogouch C. Bohm V. Boisvert T. Bold V. Boldea M. Bona M. Bondioli M. Boonekamp G. Boorman C. N. Booth P. Booth S. Bordoni C. Borer A. Borisov G. Borissov I. Borjanovic S. Borroni K. Bos D. Boscherini M. Bosman H. Boterenbrood D. Botterill J. Bouchami J. Boudreau E. V. Bouhova-Thacker C. Boulahouache C. Bourdarios N. Bousson A. Boveia J. Boyd I. R. Boyko N. I. Bozhko I. Bozovic-Jelisavcic J. Bracinik A. Braem E. Brambilla P. Branchini A. Brandt G. Brandt O. Brandt U. Bratzler B. Brau J. E. Brau H. M. Braun B. Brelier J. Bremer R. Brenner S. Bressler D. Breton N. D. Brett P. G. Bright-Thomas D. Britton F. M. Brochu I. Brock R. Brock E. Brodet F. Broggi C. Bromberg G. Brooijmans W. K. Brooks G. Brown E. Brubaker P. A. Bruckman de Renstrom D. Bruncko R. Bruneliere S. Brunet A. Bruni G. Bruni M. Bruschi T. Buanes F. Bucci J. Buchanan N. J. Buchanan P. Buchholz R. M. Buckingham A. G. Buckley S. I. Buda I. A. Budagov B. Budick V. Büscher L. Bugge D. Buira-Clark E. J. Buis O. Bulekov M. Bunse T. Buran H. Burckhart S. Burdin T. Burgess S. Burke E. Busato P. Bussey C. P. Buszello B. Butler J. M. Butler C. M. Buttar J. M. Butterworth W. Buttinger T. Byatt J. Caballero S. Cabrera Urbán M. Caccia D. Caforio O. Cakir P. Calafiura G. Calderini P. Calfayan R. Calkins L. P. Caloba R. Caloi D. Calvet S. Calvet R. Camacho Toro A. Camard P. Camarri D. Cameron J. Cammin S. Campana M. Campanelli V. Canale F. Canelli A. Canepa J. Cantero L. Capasso M. D. M. Capeans Garrido I. Caprini M. Caprini D. Capriotti M. Capua R. Caputo C. Caramarcu R. Cardarelli T. Carli G. Carlino L. Carminati B. Caron S. Caron C. Carpentieri G. D. Carrillo Montoya A. A. Carter J. R. Carter J. Carvalho D. Casadei M. P. Casado M. Cascella C. Caso A. M. Castaneda Hernandez E. Castaneda-Miranda V. Castillo Gimenez N. F. Castro G. Cataldi F. Cataneo A. Catinaccio J. R. Catmore A. Cattai G. Cattani S. Caughron A. Cavallari P. Cavalleri D. Cavalli M. Cavalli-Sforza V. Cavasinni A. Cazzato F. Ceradini A. S. Cerqueira A. Cerri L. Cerrito F. Cerutti S. A. Cetin A. Chafaq D. Chakraborty K. Chan B. Chapleau J. D. Chapman J. W. Chapman E. Chareyre D. G. Charlton V. Chavda S. Cheatham S. Chekanov S. V. Chekulaev G. A. Chelkov M. A. Chelstowska C. Chen H. Chen L. Chen S. Chen X. Chen A. Cheplakov R. Cherkaoui El Moursli V. Chernyatin E. Cheu S. L. Cheung L. Chevalier G. Chiefari L. Chikovani J. T. Childers A. Chilingarov G. Chiodini M. V. Chizhov G. Choudalakis S. Chouridou I. A. Christidi A. Christov D. Chromek-Burckhart M. L. Chu J. Chudoba G. Ciapetti K. Ciba A. K. Ciftci R. Ciftci D. Cinca V. Cindro M. D. Ciobotaru C. Ciocca A. Ciocio M. Cirilli M. Citterio M. Ciubancan A. Clark P. J. Clark W. Cleland J. C. Clemens B. Clement C. Clement R. W. Clifft Y. Coadou M. Cobal A. Coccaro J. Cochran P. Coe

This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark (˜ t) in the e ± μ ∓ continuum using 2.1 fb −1 of data collected by the ATLAS detector in √ s = 7 TeV pp collisions at the Large Hadron Collider. Data are found to be consistent with the expectation from the Standard Model backgrounds. Limits on R-parity-violating couplings at 95 % C.L. are calcula...

2008
T. Plehn

We analyze the production of a single top squark at hadron colliders: pp̄/pp → t̃1 + X. The total cross sections and the transverse momentum distributions are presented in next-toleading order QCD. The higher-order corrections render the predictions theoretically stable with respect to variations of the factorization and renormalization scales. The transverse momentum distribution is resummed to ...

1997
R. Engel D. Yu R. Kirschner L. Szymanowski

We calculate the cross section of diffractive charge-parity C = +1 neutral meson production in virtual photon proton collision at high energies. Due to the opposite C-parities of photon and meson M + (M + = η C , π 0 , a 2) this process probes the t-channel C = −1 odderon exchange which is described here as noninteracting three–gluon exchange. Estimates for the cross section of inelastic diffra...

Journal: :Physical review 2023

We investigate modifications of hadron masses at finite quark chemical potential in two-flavor and two-color QCD, data which are available from lattice simulations, within a linear sigma model based on approximate Pauli-Gursey $SU(4)$ symmetry. The describes not only ground-state scalar diquarks pseudoscalar mesons but also the excited mesons; each diquark (meson) has corresponding (hadron) wit...

2017
A. Freitas P. Schwaller D. Wyler

In the popular littlest Higgs model, T-parity can be broken by Wess-Zumino-Witten (WZW) terms induced by a strongly coupled UV completion. On the other hand, certain models with multiple scalar multiplets (called moose models) permit the implementation of T-parity such that it is not broken by the WZW terms. Here we present a concrete realization of such a model, and discuss the phenomenology a...

Journal: :Physical review letters 2003
Kenji Abe Koya Abe T Abe I Adam H Akimoto D Aston K G Baird C Baltay H R Band T L Barklow J M Bauer G Bellodi R Berger G Blaylock J R Bogart G R Bower J E Brau M Breidenbach W M Bugg D Burke T H Burnett P N Burrows A Calcaterra R Cassell A Chou H O Cohn J A Coller M R Convery V Cook R F Cowan G Crawford C J S Damerell M Daoudi N de Groot R de Sangro D N Dong M Doser R Dubois I Erofeeva V Eschenburg S Fahey D Falciai J P Fernandez K Flood R Frey E L Hart K Hasuko S S Hertzbach M E Huffer X Huynh M Iwasaki D J Jackson P Jacques J A Jaros Z Y Jiang A S Johnson J R Johnson R Kajikawa M Kalelkar H J Kang R R Kofler R S Kroeger M Langston D W G Leith V Lia C Lin G Mancinelli S Manly G Mantovani T W Markiewicz T Maruyama A K McKemey R Messner K C Moffeit T B Moore M Morii D Muller V Murzin S Narita U Nauenberg H Neal G Nesom N Oishi D Onoprienko L S Osborne R S Panvini C H Park I Peruzzi M Piccolo L Piemontese R J Plano R Prepost C Y Prescott B N Ratcliff J Reidy P L Reinertsen L S Rochester P C Rowson J J Russell O H Saxton T Schalk B A Schumm J Schwiening V V Serbo G Shapiro N B Sinev J A Snyder H Staengle A Stahl P Stamer H Steiner D Su F Suekane A Sugiyama S Suzuki M Swartz F E Taylor J Thom E Torrence T Usher J Va'vra R Verdier D L Wagner A P Waite S Walston A W Weidemann E R Weiss J S Whitaker S H Williams S Willocq R J Wilson W J Wisniewski J L Wittlin M Woods T R Wright R K Yamamoto J Yashima S J Yellin C C Young H Yuta

We present an improved direct measurement of the parity-violation parameter A(b) in the Z boson-b-quark coupling using a self-calibrating track-charge technique applied to a sample enriched in Z-->bb events via the topological reconstruction of the B hadron mass. Manipulation of the Stanford Linear Collider electron-beam polarization permits the measurement of A(b) to be made independently of o...

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