bfys-physics

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520 discussions

[Bfys-physics] Fwd: First circulation of publication draft for PAPER-2015-045, Studies of forward production of $\Upsilon$ mesons in $pp$ collisions at $\sqrt{s}=7$ and 8 TeV
by Patrick Koppenburg 21 Aug '15

21 Aug '15

Hi all, Here's the Upsilon paper, with some interesting observations on differences between 2011 and 2012 muon triggers. Cheers, Patrick -------- Forwarded Message -------- Subject: First circulation of publication draft for PAPER-2015-045, Studies of forward production of $\Upsilon$ mesons in $pp$ collisions at $\sqrt{s}=7$ and 8 TeV Date: Wed, 5 Aug 2015 15:36:40 +0000 From: George Lafferty <george.lafferty(a)manchester.ac.uk> To: LHCb General mailing list <lhcb-general(a)cern.ch> Dear Colleagues, A draft paper is available for your comments: Title : Studies of forward production of $\Upsilon$ mesons in $pp$ collisions at $\sqrt{s}=7$ and 8 TeV Journal : JHEP Contact authors : Giulia_Manca, Vanya_Belyaev Reviewers : Stephen_Farry (chair), Edwige_Tournefier EB reviewer : Nicola_Serra EB readers : Michael_Schmelling, David_Ward Analysis note : ANA-2014-017 Deadline : 19-Aug-2015 e-group : lhcb-paper-2015-045-reviewers Link : https://cds.cern.ch/record/2040674 Authors : LHCb Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/UpsilonWith3fb The following institutes are requested to make institutional comments: Warwick__United_Kingdom Dortmund__Germany EPFL__Lausanne__Switzerland NIKHEF__Netherlands Budker_and_Novosibirsk_State_University__Russia Edinburgh__United_Kingdom Please send any comments via the CDS system. It is the responsibility of the contact authors to provide replies to all comments made. Subsequent modifications to the draft will be made in consultation with the reviewers and during the EB reading. Following this, there will be a final meeting of the editorial board, with contact authors and reviewers present, when final decisions will be made. As the last step, the collaboration will be given a final opportunity to comment during a “silent approval” period. You can find all paper and conference report drafts open for comments via the EB web-page, by clicking on Current Drafts: http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… Best regards, George

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[Bfys-physics] Fwd: Analysis Approval : $\Upsilon$ at 7 and 8 TeV (3 August 2015)
by Patrick Koppenburg 02 Aug '15

02 Aug '15

Dear all, One paper assigned to Nikhef is up for approval tomorrow. Cheers, Patrick -------- Forwarded Message -------- Subject: Analysis Approval : $\Upsilon$ at 7 and 8 TeV (3 August 2015) Date: Sun, 02 Aug 2015 21:29:22 +0200 From: Patrick Koppenburg <Patrick.Koppenburg(a)cern.ch> To: lhcb-general (LHCb General mailing list) <lhcb-general(a)cern.ch> Dear colleagues, As the Tuesday meeting will be full of Summer Student presentations, we'll escape to Monday for approvals. Tomorrow we have the approval presentation of the Upsilon cross-section at 7 and 8 TeV. The meeting will follow PPTS that is likely to be very short. See https://indico.cern.ch/event/436646/ Please note the institute assignments: * 14:15 - 15:00 Approval to go to PAPER : Studies on production of Υmeson production in ppcollisions at s√=7and 8 TeV https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/UpsilonWith3fb Institutes : Warwick, United Kingdom. Dortmund, Germany EPFL, Lausanne, Switzerland. NIKHEF, Netherlands Budker and Novosibirsk State University, Russia. Edinburgh, United Kingdom o * 14:15 RC report /5'/ Speakers: Stephen Farry (University of Liverpool (GB)), Edwige Tournefier (Centre National de la Recherche Scientifique (FR)) * 14:20 Analysis presentation /20'/ Speakers: Vanya Belyaev (ITEP Institute for Theoretical and Experimental Physics (RU)), Giulia Manca (Laboratoire de l'Accelerateur Lineaire (FR)) Cheers, Patrick -- ======================================================================== Patrick Koppenburg LHCb Physics Coordinator Nikhef, Amsterdam & CERN http://www.koppenburg.org/address.html -- ======================================================================== Patrick Koppenburg LHCb Physics Coordinator Nikhef, Amsterdam & CERN http://www.koppenburg.org/address.html

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Re: [Bfys-physics] PAPER-2015-036, a paper for Nikhef
by Tjeerd Ketel 20 Jul '15

20 Jul '15

Dear all, No bfys meeting tomorrow. We did not find a volunteer available before the dead line. I suggest that everybody gives comments to this paper as Cc and that next week somebody combines them for a Nikhef group response uploaded to CDS. An answer may be expected then and should be checked. As many of us, I will be away from next week and cannot do it. Best regards, Tjeerd On Mon, 6 Jul 2015, Tjeerd Ketel wrote: > Dear all, > > We have a paper to comment. > It would be nice to discuss it this Friday 10 July. > Volunteer? Let me know. > > Best regards, > Tjeerd > > > -------- Original Message -------- > Subject: First circulation of publication draft for PAPER-2015-036, Search for hidden-sector bosons in $B^0\to K^*\chi(\to\mu^+\mu^-)$ decays > Date: Maandag 6 Juli 2015 08:49 CEST > From: George Lafferty <george.lafferty(a)manchester.ac.uk> > To: LHCb General mailing list <lhcb-general(a)cern.ch> > > > Dear Colleagues, > > A draft paper is available for your comments: > > Title : Search for hidden-sector bosons in $B^0\to K^*\chi(\to\mu^+\mu^-)$ decays > > Journal : PRL > Contact authors : Sam_Hall, Mike_Williams, Mitesh_Patel > Reviewers : Katharina_Mueller (chair), > Alberto_Lusiani > EB reviewer : Diego_Tonelli > EB readers : Claudia_Patrignani, Mat_Charles > Analysis note : ANA-2015-008 > Deadline : 17-Jul-2015 > e-group : lhcb-paper-2015-036-reviewers > Link : http://cds.cern.ch/record/2031121 > Authors : LHCb > Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/BtoKstarX > > The following institutes are requested to make institutional comments: > Bucharest-Magurele__Romania > Milano-Bicocca__Italy > Liverpool__United_Kingdom > Bologna__Italy > EPFL__Lausanne__Switzerland > NIKHEF__Netherlands > > > Please send any comments via the CDS system. It is the responsibility > of the contact authors to provide replies to all comments > made. Subsequent modifications to the draft will be made in > consultation with the reviewers and during the EB reading. Following > this, there will be a final meeting of the editorial board, with > contact authors and reviewers present, when final decisions will be > made. As the last step, the collaboration will be given a final opportunity > to comment during a “silent approval” period. > > You can find all paper and conference report drafts open for comments > via the EB web-page, by clicking on Current Drafts: > > http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… > > Best regards, > George > > > > > > > > >

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Re: [Bfys-physics] PAPER-2015-036, a paper for Nikhef
by Tjeerd Ketel 12 Jul '15

12 Jul '15

Dear all, I cannot collect the comments, but I have one which may be added. I also hope that somebody will watch for Nikhef papers the coming weeks. I found it a nice paper. Line 124 puzzled me with "the yield of the normalization mode N(B0->K*0mu+mu-)=506". In the same sample we are looking for the Ksi, why do we call it a normalization mode? The prompt region is included in the search, as I understood from the abstract with "limits ... for Ksi lifetimes less than 10 ps". There is an earlier mentioning in line 86 of "the normalization sample" defined as what is later shown in Fig.2. So line 124 refers to Fig.2. I now understand. Second puzzle is why do we normalize to a mumu mass region and not to a specific resonance for which the B0 decay branching ration is known? They would be also separate from the search sample. More precise formulation might have prevented my misunderstanding here. Maybe avoid mentioning normalization sample/mode ? Tjeerd On Donderdag 9 Juli 2015 18:27 CEST, Tjeerd Ketel <tjeerd(a)nikhef.nl> wrote: > Dear all, > > No bfys meeting tomorrow. > We did not find a volunteer available before > the dead line. > > I suggest that everybody gives comments to this paper as Cc > and that next week somebody combines them for a Nikhef > group response uploaded to CDS. > An answer may be expected then and should be checked. > > As many of us, I will be away from next week and cannot do it. > > Best regards, > Tjeerd > > > > On Mon, 6 Jul 2015, Tjeerd Ketel wrote: > > > Dear all, > > > > We have a paper to comment. > > It would be nice to discuss it this Friday 10 July. > > Volunteer? Let me know. > > > > Best regards, > > Tjeerd > > > > > > -------- Original Message -------- > > Subject: First circulation of publication draft for PAPER-2015-036, Search for hidden-sector bosons in $B^0\to K^*\chi(\to\mu^+\mu^-)$ decays > > Date: Maandag 6 Juli 2015 08:49 CEST > > From: George Lafferty <george.lafferty(a)manchester.ac.uk> > > To: LHCb General mailing list <lhcb-general(a)cern.ch> > > > > > > Dear Colleagues, > > > > A draft paper is available for your comments: > > > > Title : Search for hidden-sector bosons in $B^0\to K^*\chi(\to\mu^+\mu^-)$ decays > > > > Journal : PRL > > Contact authors : Sam_Hall, Mike_Williams, Mitesh_Patel > > Reviewers : Katharina_Mueller (chair), > > Alberto_Lusiani > > EB reviewer : Diego_Tonelli > > EB readers : Claudia_Patrignani, Mat_Charles > > Analysis note : ANA-2015-008 > > Deadline : 17-Jul-2015 > > e-group : lhcb-paper-2015-036-reviewers > > Link : http://cds.cern.ch/record/2031121 > > Authors : LHCb > > Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/BtoKstarX > > > > The following institutes are requested to make institutional comments: > > Bucharest-Magurele__Romania > > Milano-Bicocca__Italy > > Liverpool__United_Kingdom > > Bologna__Italy > > EPFL__Lausanne__Switzerland > > NIKHEF__Netherlands > > > > > > Please send any comments via the CDS system. It is the responsibility > > of the contact authors to provide replies to all comments > > made. Subsequent modifications to the draft will be made in > > consultation with the reviewers and during the EB reading. Following > > this, there will be a final meeting of the editorial board, with > > contact authors and reviewers present, when final decisions will be > > made. As the last step, the collaboration will be given a final opportunity > > to comment during a “silent approval” period. > > > > You can find all paper and conference report drafts open for comments > > via the EB web-page, by clicking on Current Drafts: > > > > http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… > > > > Best regards, > > George > > > > > > > > > > > > > > > > > >

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[Bfys-physics] PAPER-2015-036, a paper for Nikhef (fwd)
by Tjeerd Ketel 07 Jul '15

07 Jul '15

Dear all, We have a paper to comment. It would be nice to discuss it this Friday 10 July. Volunteer? Let me know. Best regards, Tjeerd -------- Original Message -------- Subject: First circulation of publication draft for PAPER-2015-036, Search for hidden-sector bosons in $B^0\to K^*\chi(\to\mu^+\mu^-)$ decays Date: Maandag 6 Juli 2015 08:49 CEST From: George Lafferty <george.lafferty(a)manchester.ac.uk> To: LHCb General mailing list <lhcb-general(a)cern.ch> Dear Colleagues, A draft paper is available for your comments: Title : Search for hidden-sector bosons in $B^0\to K^*\chi(\to\mu^+\mu^-)$ decays Journal : PRL Contact authors : Sam_Hall, Mike_Williams, Mitesh_Patel Reviewers : Katharina_Mueller (chair), Alberto_Lusiani EB reviewer : Diego_Tonelli EB readers : Claudia_Patrignani, Mat_Charles Analysis note : ANA-2015-008 Deadline : 17-Jul-2015 e-group : lhcb-paper-2015-036-reviewers Link : http://cds.cern.ch/record/2031121 Authors : LHCb Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/BtoKstarX The following institutes are requested to make institutional comments: Bucharest-Magurele__Romania Milano-Bicocca__Italy Liverpool__United_Kingdom Bologna__Italy EPFL__Lausanne__Switzerland NIKHEF__Netherlands Please send any comments via the CDS system. It is the responsibility of the contact authors to provide replies to all comments made. Subsequent modifications to the draft will be made in consultation with the reviewers and during the EB reading. Following this, there will be a final meeting of the editorial board, with contact authors and reviewers present, when final decisions will be made. As the last step, the collaboration will be given a final opportunity to comment during a “silent approval” period. You can find all paper and conference report drafts open for comments via the EB web-page, by clicking on Current Drafts: http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… Best regards, George

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[Bfys-physics] Bfys Meeting Friday 26 June at 9:30 in H331 and Vidyo
by Tjeerd Ketel 26 Jun '15

26 Jun '15

Dear colleagues, Bfys Meeting Friday 26 June at 9:30 in H331 and Vidyo On Friday the 26th of June, Mick Mulder will present my master thesis, which is titled: "Measuring the decay B0->piDs with sensitivity to the b->u quark transition". The presentation will start at 9:30 in H331, and take about 25 + 5 minutes. Vidyo link in Nikhef Bfys Meeting (at Institutes->Nikhef of Friday 24 October 2014) https://indico.cern.ch/event/348856/ protected by PIN 1328. Material (and also Vidyo link) at https://indico.nikhef.nl/conferenceDisplay.py?confId=185 Best regards, Tjeerd

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[Bfys-physics] Fwd: LHCB-PAPER-2015-024-001-COMMENT-003: Comment Received
by Jacco de Vries 10 Jun '15

10 Jun '15

Dear all, Our comments to LHCB-PAPER-2015-024 have been submitted to CDS. Cheers, Jacco > Begin forwarded message: > > From: CERN Document Server Submission Engine <cds.support(a)cern.ch> > Subject: LHCB-PAPER-2015-024-001-COMMENT-003: Comment Received > Date: 8 Jun 2015 00:21:20 CEST > To: <j.devries(a)cern.ch> > > Dear LHCb Colleague, > Your comment: document LHCB-PAPER-2015-024-001-COMMENT-003 has been correctly received. > > It will be soon added to our Document Server. > > The comment may be found at this URL: http://cds.cern.ch/record/2022624 > It may also be viewed from the link 'View the N comments' of the document LHCB-PAPER-2015-024-001-COMMENT-003 (entitled: 'Measurement of the branching fraction ratio of $B_c^+\to\psi(2S)\pi^+$ with respect to $B_c^+\to J/\psi\pi^+$'). > > If you detect an error please let us know by sending an email to cds.support(a)cern.ch. > > > > Thank you for your comments.

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[Bfys-physics] Bfys Meeting Friday 29 May at 10:00 in N328 and Vidyo
by Tjeerd Ketel 05 Jun '15

05 Jun '15

Dear colleagues, Bfys Meeting Friday 29 May at 10:00 in N328 and Vidyo 10:00 - 11:00 Discussion of LHCb-Paper-2015-024 by Jacco de Vries: "Measurement of the branching fraction ratio of Bc+ to psi(2S) pi+ with respect to Bc+ to J/psi pi+" Deadline : 8-Jun-2015 Link : https://cds.cern.ch/record/2018187 Vidyo link in Nikhef Bfys Meeting (at Institutes->Nikhef of Friday 24 October 2014) https://indico.cern.ch/event/348856/ protected by PIN 1328. Material (and also Vidyo link) at https://indico.nikhef.nl/conferenceDisplay.py?confId=173 Best regards, Tjeerd

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[Bfys-physics] PAPER-2015-024 for Nikhef
by Tjeerd Ketel 27 May '15

27 May '15

Dear all, We have an LHCb paper to discuss. Friday 5 June will be OK, but a bit short before the deadline. If somebody volunteers to introduce it already on coming Friday 29 May, there will be more time for feedback on our comments. Let me know. Best regards, Tjeerd ---------- Forwarded message ---------- Date: Mon, 25 May 2015 12:08:01 +0000 From: George Lafferty <george.lafferty(a)manchester.ac.uk> To: LHCb General mailing list <lhcb-general(a)cern.ch> Subject: First circulation of publication draft for PAPER-2015-024, Measurement of the branching fraction ratio of $B_c^+\to\psi(2S)\pi^+$ with respect to $B_c^+\to J/\psi\pi^+$ Resent-Date: Mon, 25 May 2015 14:09:15 +0200 Resent-From: <lhcb-general-dynamic(a)cern.ch> Dear Colleagues, A draft paper is available for your comments: Title : Measurement of the branching fraction ratio of $B_c^+\to\psi(2S)\pi^+$ with respect to $B_c^+\to J/\psi\pi^+$ Journal : PRD Contact authors : Liupan_An, Yiming_Li, Zhenwei_Yang Reviewers : Flavio_Archilli (chair), Andrea_Bizzeti EB reviewer : Ronan_McNulty EB readers : Justine_Serrano, Nicola_Serra Analysis note : ANA-2014-078 Deadline : 08-Jun-2015 e-group : lhcb-paper-2015-024-reviewers Link : https://cds.cern.ch/record/2018187 Authors : LHCb Twiki : https://twiki.cern.ch/twiki/bin/view/LHCbPhysics/Bc2psi2Spi3invfb The following institutes are requested to make institutional comments: Faculty_of_Physics_and_Applied_Computer_Science__Cracow__Poland Birmingham__United_Kingdom Glasgow__United_Kingdom Bari__Italy__INFN_Milano__Italy EPFL__Lausanne__Switzerland NIKHEF__Netherlands Please send any comments via the CDS system. It is the responsibility of the contact authors to provide replies to all comments made. Subsequent modification to the draft paper are made in consultation with the reviewers and during the EB reading. Following this, there will be a final meeting of the editorial board with contact authors and reviewers present where final decisions will be made. As the last step the collaboration is given a final opportunity to comment during a “silent approval” process, before the paper is submitted for publication. You can find all paper and conference report drafts open for comments via the EB web-page, by clicking on Current Drafts. http://lhcb.web.cern.ch/lhcb/lhcb_page/collaboration/organization/editorial… efault.html Best regards, George

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[Bfys-physics] Reminder Theory talk on CP violation at 16h00
by Marcel Merk 22 May '15

22 May '15

Time: 16.30 - 17.00, H320 Speaker: Wouter Dekens (RUG) Title: "CP violation beyond the standard model at low energies and the LHC" CP-violating beyond the standard model (BSM) physics in principle affects both low-energy precision experiments and the processes measured at the LHC. This talk will consider some of the possible effects of BSM physics in the two types of searches, focusing on B-meson mixing observables studied at LHCb and electric dipole moments (EDMs). Given the rather different processes involved in both experiments, the two searches tend to be sensitive to different BSM interactions, making them complementary to one another. Nevertheless, in certain models of BSM physics the two types of observables can become related to each other. Examples of the interplay between EDMs and B-meson mixing will be considered in both an effective-field-theory approach and a specific model of BSM physics, namely, the left-right model. 17.00 Borrel

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