Open charm production and asymmetry in pNe collisions at $$\sqrt{s_{\scriptscriptstyle {\textrm{NN}}}} = 68.5$$ $$\,\text {Ge\hspace{-1.00006pt}V}$$-Reference-Cited by-同舟云学术

Open charm production and asymmetry in pNe collisions at $$\sqrt{s_{\scriptscriptstyle {\textrm{NN}}}} = 68.5$$ $$\,\text {Ge\hspace{-1.00006pt}V}$$

Published:2023-06-27 Issue:6 Volume:83 Page:
ISSN:1434-6052
Container-title:The European Physical Journal C
language:en
Short-container-title:Eur. Phys. J. C

Author:

Aaij R.^ORCID,Abdelmotteleb A. S. W.^ORCID,Abellan Beteta C.,Abudinén F.^ORCID,Ackernley T.^ORCID,Adeva B.^ORCID,Adinolfi M.^ORCID,Adlarson P.^ORCID,Afsharnia H.,Agapopoulou C.^ORCID,Aidala C. A.^ORCID,Ajaltouni Z.,Akar S.^ORCID,Akiba K.^ORCID,Albrecht J.^ORCID,Alessio F.^ORCID,Alexander M.^ORCID,Alfonso Albero A.^ORCID,Aliouche Z.^ORCID,Alvarez Cartelle P.^ORCID,Amalric R.^ORCID,Amato S.^ORCID,Amey J. L.^ORCID,Amhis Y.^ORCID,An L.^ORCID,Anderlini L.^ORCID,Andersson M.^ORCID,Andreianov A.^ORCID,Andreotti M.^ORCID,Andreou D.^ORCID,Ao D.^ORCID,Archilli F.^ORCID,Artamonov A.^ORCID,Artuso M.^ORCID,Aslanides E.^ORCID,Atzeni M.^ORCID,Audurier B.^ORCID,Bachmann S.^ORCID,Bachmayer M.^ORCID,Back J. J.^ORCID,Bailly-reyre A.,Baladron Rodriguez P.^ORCID,Balagura V.^ORCID,Baldini W.^ORCID,Baptista de Souza Leite J.^ORCID,Barbetti M.^ORCID,Barlow R. J.^ORCID,Barsuk S.^ORCID,Barter W.^ORCID,Bartolini M.^ORCID,Baryshnikov F.^ORCID,Basels J. M.^ORCID,Bassi G.^ORCID,Batsukh B.^ORCID,Battig A.^ORCID,Bay A.^ORCID,Beck A.^ORCID,Becker M.^ORCID,Bedeschi F.^ORCID,Bediaga I. B.^ORCID,Beiter A.,Belavin V.,Belin S.^ORCID,Bellee V.^ORCID,Belous K.^ORCID,Belov I.^ORCID,Belyaev I.^ORCID,Benane G.^ORCID,Bencivenni G.^ORCID,Ben-Haim E.^ORCID,Berezhnoy A.^ORCID,Bernet R.^ORCID,Bernet Andres S.^ORCID,Berninghoff D.,Bernstein H. C.,Bertella C.^ORCID,Bertolin A.^ORCID,Betancourt C.^ORCID,Betti F.^ORCID,Bezshyiko Ia.^ORCID,Bhasin S.^ORCID,Bhom J.^ORCID,Bian L.^ORCID,Bieker M. S.^ORCID,Biesuz N. V.^ORCID,Bifani S.^ORCID,Billoir P.^ORCID,Biolchini A.^ORCID,Birch M.^ORCID,Bishop F. C. R.^ORCID,Bitadze A.^ORCID,Bizzeti A.^ORCID,Blago M. P.^ORCID,Blake T.^ORCID,Blanc F.^ORCID,Blank J. E.^ORCID,Blusk S.^ORCID,Bobulska D.^ORCID,Boelhauve J. A.^ORCID,Boente Garcia O.^ORCID,Boettcher T.^ORCID,Boldyrev A.^ORCID,Bolognani C. S.^ORCID,Bolzonella R.^ORCID,Bondar N.^ORCID,Borgato F.^ORCID,Borghi S.^ORCID,Borsato M.^ORCID,Borsuk J. T.^ORCID,Bouchiba S. A.^ORCID,Bowcock T. J. V.^ORCID,Boyer A.^ORCID,Bozzi C.^ORCID,Bradley M. J.,Braun S.^ORCID,Brea Rodriguez A.^ORCID,Brodzicka J.^ORCID,Brossa Gonzalo A.^ORCID,Brown J.^ORCID,Brundu D.^ORCID,Buonaura A.^ORCID,Buonincontri L.^ORCID,Burke A. T.^ORCID,Burr C.^ORCID,Bursche A.,Butkevich A.^ORCID,Butter J. S.^ORCID,Buytaert J.^ORCID,Byczynski W.^ORCID,Cadeddu S.^ORCID,Cai H.,Calabrese R.^ORCID,Calefice L.^ORCID,Cali S.^ORCID,Calladine R.,Calvi M.^ORCID,Calvo Gomez M.^ORCID,Campana P.^ORCID,Campora Perez D. H.^ORCID,Campoverde Quezada A. F.^ORCID,Capelli S.^ORCID,Capriotti L.^ORCID,Carbone A.^ORCID,Carboni G.^ORCID,Cardinale R.^ORCID,Cardini A.^ORCID,Carniti P.^ORCID,Carus L.,Casais Vidal A.^ORCID,Caspary R.^ORCID,Casse G.^ORCID,Cattaneo M.^ORCID,Cavallero G.^ORCID,Cavallini V.^ORCID,Celani S.^ORCID,Cerasoli J.^ORCID,Cervenkov D.^ORCID,Chadwick A. J.^ORCID,Chapman M. G.,Charles M.^ORCID,Charpentier Ph.^ORCID,Chavez Barajas C. A.^ORCID,Chefdeville M.^ORCID,Chen C.^ORCID,Chen S.^ORCID,Chernov A.^ORCID,Chernyshenko S.^ORCID,Chobanova V.^ORCID,Cholak S.^ORCID,Chrzaszcz M.^ORCID,Chubykin A.^ORCID,Chulikov V.^ORCID,Ciambrone P.^ORCID,Cicala M. F.^ORCID,Vidal X. Cid^ORCID,Ciezarek G.^ORCID,Ciullo G.^ORCID,Clarke P. E. L.^ORCID,Clemencic M.^ORCID,Cliff H. V.^ORCID,Closier J.^ORCID,Cobbledick J. L.^ORCID,Coco V.^ORCID,Coelho J. A. B.^ORCID,Cogan J.^ORCID,Cogneras E.^ORCID,Cojocariu L.^ORCID,Collins P.^ORCID,Colombo T.^ORCID,Congedo L.^ORCID,Contu A.^ORCID,Cooke N.^ORCID,Corredoira I.^ORCID,Corti G.^ORCID,Couturier B.^ORCID,Craik D. C.^ORCID,Cruz Torres M.^ORCID,Currie R.^ORCID,Da Silva C. L.^ORCID,Dadabaev S.^ORCID,Dai L.^ORCID,Dai X.^ORCID,Dall’Occo E.^ORCID,Dalseno J.^ORCID,D’Ambrosio C.^ORCID,Daniel J.^ORCID,Danilina A.^ORCID,d’Argent P.^ORCID,Davies J. E.^ORCID,Davis A.^ORCID,De Aguiar Francisco O.^ORCID,de Boer J.^ORCID,De Bruyn K.^ORCID,De Capua S.^ORCID,De Cian M.^ORCID,De Freitas Carneiro Da Graca U.^ORCID,De Lucia E.^ORCID,De Miranda J. M.^ORCID,De Paula L.^ORCID,De Serio M.^ORCID,De Simone D.^ORCID,De Simone P.^ORCID,De Vellis F.^ORCID,de Vries J. A.^ORCID,Dean C. T.^ORCID,Debernardis F.^ORCID,Decamp D.^ORCID,Dedu V.^ORCID,Del Buono L.^ORCID,Delaney B.^ORCID,Dembinski H.-P.^ORCID,Denysenko V.^ORCID,Deschamps O.^ORCID,Dettori F.^ORCID,Dey B.^ORCID,Di Nezza P.^ORCID,Diachkov I.^ORCID,Didenko S.^ORCID,Dieste Maronas L.,Ding S.^ORCID,Dobishuk V.^ORCID,Dolmatov A.,Dong C.^ORCID,Donohoe A. M.^ORCID,Dordei F.^ORCID,dos Reis A. C.^ORCID,Douglas L.,Downes A. G.^ORCID,Duda P.^ORCID,Dudek M. W.^ORCID,Dufour L.^ORCID,Duk V.^ORCID,Durante P.^ORCID,Duras M. M.^ORCID,Durham J. 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A.^ORCID,Fu J.^ORCID,Fuehring Q.^ORCID,Fulghesu T.^ORCID,Gabriel E.^ORCID,Galati G.^ORCID,Galati M. D.^ORCID,Gallas Torreira A.^ORCID,Galli D.^ORCID,Gambetta S.^ORCID,Gan Y.^ORCID,Gandelman M.^ORCID,Gandini P.^ORCID,Gao Y.^ORCID,Gao Y.^ORCID,Garau M.^ORCID,Garcia Martin L. M.^ORCID,Garcia Moreno P.^ORCID,García Pardiñas J.^ORCID,Garcia Plana B.,Garcia Rosales F. A.^ORCID,Garrido L.^ORCID,Gaspar C.^ORCID,Geertsema R. E.^ORCID,Gerick D.,Gerken L. L.^ORCID,Gersabeck E.^ORCID,Gersabeck M.^ORCID,Gershon T.^ORCID,Giambastiani L.^ORCID,Gibson V.^ORCID,Giemza H. K.^ORCID,Gilman A. L.^ORCID,Giovannetti M.^ORCID,Gioventù A.^ORCID,Gironella Gironell P.^ORCID,Giugliano C.^ORCID,Giza M. A.^ORCID,Gizdov K.^ORCID,Gkougkousis E. L.^ORCID,Gligorov V. V.^ORCID,Göbel C.^ORCID,Golobardes E.^ORCID,Golubkov D.^ORCID,Golutvin A.^ORCID,Gomes A.^ORCID,Gomez Fernandez S.^ORCID,Goncalves Abrantes F.^ORCID,Goncerz M.^ORCID,Gong G.^ORCID,Gorelov I. V.^ORCID,Gotti C.^ORCID,Grabowski J. 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R.^ORCID,Koliiev S.^ORCID,Kondybayeva A.^ORCID,Konoplyannikov A.^ORCID,Kopciewicz P.^ORCID,Kopecna R.,Koppenburg P.^ORCID,Korolev M.^ORCID,Kostiuk I.^ORCID,Kot O.,Kotriakhova S.^ORCID,Kozachuk A.^ORCID,Kravchenko P.^ORCID,Kravchuk L.^ORCID,Krawczyk R. D.^ORCID,Kreps M.^ORCID,Kretzschmar S.^ORCID,Krokovny P.^ORCID,Krupa W.^ORCID,Krzemien W.^ORCID,Kubat J.,Kubis S.^ORCID,Kucewicz W.^ORCID,Kucharczyk M.^ORCID,Kudryavtsev V.^ORCID,Kupsc A.^ORCID,Lacarrere D.^ORCID,Lafferty G.^ORCID,Lai A.^ORCID,Lampis A.^ORCID,Lancierini D.^ORCID,Landesa Gomez C.^ORCID,Lane J. J.^ORCID,Lane R.^ORCID,Lanfranchi G.^ORCID,Langenbruch C.^ORCID,Langer J.^ORCID,Lantwin O.^ORCID,Latham T.^ORCID,Lazzari F.^ORCID,Lazzaroni M.^ORCID,Le Gac R.^ORCID,Lee S. H.^ORCID,Lefèvre R.^ORCID,Leflat A.^ORCID,Legotin S.^ORCID,Lenisa P.^ORCID,Leroy O.^ORCID,Lesiak T.^ORCID,Leverington B.^ORCID,Li A.^ORCID,Li H.^ORCID,Li K.^ORCID,Li P.^ORCID,Li P.-R.^ORCID,Li S.^ORCID,Li T.^ORCID,Li T.^ORCID,Li Y.^ORCID,Li Z.^ORCID,Liang X.^ORCID,Lin C.^ORCID,Lin T.^ORCID,Lindner R.^ORCID,Lisovskyi V.^ORCID,Litvinov R.^ORCID,Liu G.^ORCID,Liu H.^ORCID,Liu Q.^ORCID,Liu S.^ORCID,Lobo Salvia A.^ORCID,Loi A.^ORCID,Lollini R.^ORCID,Lomba Castro J.^ORCID,Longstaff I.,Lopes J. H.^ORCID,Lopez Huertas A.^ORCID,L.ópez Soliño S.^ORCID,Lovell G. H.^ORCID,Lu Y.^ORCID,Lucarelli C.^ORCID,Lucchesi D.^ORCID,Luchuk S.^ORCID,Lucio Martinez M.^ORCID,Lukashenko V.^ORCID,Luo Y.^ORCID,Lupato A.^ORCID,Luppi E.^ORCID,Lusiani A.^ORCID,Lynch K.^ORCID,Lyu X.-R.^ORCID,Ma L.^ORCID,Ma R.^ORCID,Maccolini S.^ORCID,Machefert F.^ORCID,Maciuc F.^ORCID,Mackay I.^ORCID,Macko V.^ORCID,Mackowiak P.^ORCID,Madhan Mohan L. R.^ORCID,Maevskiy A.^ORCID,Maisuzenko D.^ORCID,Majewski M. W.,Malczewski J. 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Abstract

AbstractA measurement of

$${{D}} ^0$$

D 0 meson production by the LHCb experiment in its fixed-target configuration is presented. The production of

$${{D}} ^0$$

D 0 mesons is studied with a beam of 2.5

$$\,\text {Te\hspace{-1.00006pt}V}$$

Te V protons colliding on a gaseous neon target at rest, corresponding to a nucleon–nucleon centre-of-mass energy of

$$\sqrt{s_{\scriptscriptstyle \text {NN}}} = 68.5\,\,\text {Ge\hspace{-1.00006pt}V} $$

s NN = 68.5 Ge V . The sum of the

$${{D}} ^0$$

D 0 and

$${\hspace{0.0pt}\overline{\hspace{0.0pt}{D}}} {}^0$$

D ¯ 0 production cross-section in

$$p\text {Ne}$$

p Ne collisions in the centre-of-mass rapidity range

$$y^{\star }\in [-2.29, 0]$$

y ⋆ ∈ [ - 2.29 , 0 ] is found to be

$$\sigma _{D^{0}}^{y^\star \in [-2.29, 0]} = 48.2 \pm 0.3 \pm 4.5 \,\upmu \text {b}/\text {nucleon}$$

σ D 0 y ⋆ ∈ [ - 2.29 , 0 ] = 48.2 ± 0.3 ± 4.5 μ b / nucleon where the first uncertainty is statistical and the second is systematic. The

$${{{D}} ^0}-{{\hspace{0.0pt}\overline{\hspace{0.0pt}{D}}} {}^0} $$

D 0 - D ¯ 0 production asymmetry is also evaluated and suggests a trend towards negative values at large negative

$$y^{\star }$$

y ⋆ . The considered models do not account precisely for all the features observed in the LHCb data, but theoretical predictions including 1

$$\%$$

% intrinsic charm and 10

$$\%$$

% recombination contributions better describe the data than the other models considered.

Publisher

Springer Science and Business Media LLC

Subject

Physics and Astronomy (miscellaneous),Engineering (miscellaneous)

Link

https://link.springer.com/content/pdf/10.1140/epjc/s10052-023-11641-5.pdf

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